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Thrush Aircraft S2RHG-T65 TURBO THRUSH Maintenance Manual

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THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH
AIRCRAFT MAINTENANCE MANUAL
SINGLE AND DUAL COCKPIT
Serial Numbers T65HG – 011 & Up, T65HG – 013 DC & Up
Manufacturer's Serial Number: ____________________________________________
Registration Number: ____________________________________________________
Effective: 09/16/05
AIRCRAFT MAINTENANCE MANUAL
Model S2RHG – T65
Manual Number: T65HG-2
Issued May 5, 2004
Revised September 16, 2005
Thrush Aircraft Inc.
P. O. Box 3149
300 Old Pretoria Road
Albany, GA 31706
Telephone: 229-883-1440
Fax: 229-436-4856
i

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  • Page 1 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL AIRCRAFT MAINTENANCE MANUAL SINGLE AND DUAL COCKPIT Model S2RHG – T65 Serial Numbers T65HG – 011 & Up, T65HG – 013 DC & Up Manual Number: T65HG-2 Issued May 5, 2004 Revised September 16, 2005 Manufacturer’s Serial Number: ____________________________________________...
  • Page 2 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LOG of PAGES INTRODUCTION SECTION 2 Page Date SERVICING & .......... 09/16/05 INSPECTION .......... 09/16/05 (Continued) .......... 09/16/05 Page Date .......... 09/16/05 .......... 05/05/04 .......... 05/25/05 .......... 05/05/04 ..........
  • Page 3 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LOG of PAGES SECTION 4 SECTION 6 POWERPLANT & LANDING GEAR, PROPELLER WHEELS & BRAKES (Continued) (Continued) Page Date Page Date .......... 09/16/05 .......... 05/25/05 .......... 05/05/04 .......... 05/05/04 ..........
  • Page 4 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LOG of PAGES SECTION 7 SECTION 10 FLIGHT CONTROLS ELECTRICAL Page (Continued) Date SYSTEM .......... 09/16/05 (Continued) Page Date .......... 09/16/05 .......... 05/05/04 .......... 09/16/05 .......... 05/05/04 .......... 09/16/05 ..........
  • Page 5 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LOG OF REVISIONS Rev. Section Pages Description of Revision Acceptance Date Accepted JUL 26, 2004 NEW BOOK C. Lorenzen Prelude Revise cover. ii, iii, iv Revise log of pages.
  • Page 6 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LOG OF REVISIONS Rev. Section Pages Description of Revision Acceptance Date Accepted Forward Revised Cover Sheet ii-iv Revised Log of Pages vi & vii Added R2 Log of Revisions...
  • Page 7 THRUSH AIRCRAFT INC MODEL S2RHG-T65 TURBO THRUSH AIRPLANE MAINTENANCE MANUAL Rev. Section Pages Description of Revision Acceptance Date Accepted Section 1&2 Updated Table of Contents Deleted unnecessary sentence Corrected torque values Added rigging tolerance 14 & 15 Corrected/clarified splice fitting removal instructions 26 –...
  • Page 8 INTRODUCTION This publication provides information for the Thrush Aircraft, Inc. Model S2RHG-T65 Turbo Thrush Aircraft. Installations or equipment will vary from model to model due to the wide range of optional equipment. The information contained within this manual is based on data available at the time of publication and will be kept current by changes or service publications.

  • Page 9: Table Of Contents

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL SECTION 1 GENERAL INFORMATION TABLE OF CONTENTS GENERAL DESCRIPTION ..................... 2 CONTACT INFORMATION .................. 2 PRINCIPAL DIMENSIONS ..................... 2 GENERAL........................2 WING ......................... 2 HORIZONTAL STABILIZER AND ELEVATORS ............3 VERTICAL STABILIZER AND RUDDER ..............

  • Page 10: General Description

    AIRCRAFT MAINTENANCE MANUAL GENERAL DESCRIPTION The Thrush Aircraft Inc Turbo Thrush is designed especially for agricultural flying. It is a monoplane featuring a full cantilever low wing and all metal construction. The design and construction of the airframe components assure all structural integrity, flight safety, and minimum maintenance requirements.

  • Page 11: Horizontal Stabilizer And Elevators

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL HORIZONTAL STABILIZER AND ELEVATORS Span 204 Inches (17') Elevator Travel 27 Degrees ±1 Degree -Down 17 Degrees ±1 Degree Trim Tab Travel 8 Degrees ±1 Degree -Down 22 Degrees ±1 Degree...

  • Page 12: Aircraft Structure

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL AIRCRAFT STRUCTURE FUSELAGE The fuselage is comprised of a welded tubular steel frame, fiberglass hopper, and detachable skins. An overturn structure forms an integral part of the fuselage frame. The frame structure, fittings, bushings, brackets, and so forth are fabricated from 4130 chrome-moly seamless steel tubing.

  • Page 13: Cockpit

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL COCKPIT There are two choices of the enclosed cockpit canopies for the Turbo Thrush (1) the SINGLE cockpit canopy or (2) the DUAL cockpit canopy. The overturn structure of both is exceptionally strong and welded to "hard points"...
  • Page 14 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL boost pump. The electrically driven fuel boost pump serves two purposes, first as a backup system to provide continuous fuel pressure to the engine high pressure fuel pump in case the engine driven fuel boost pump fails and secondly to provide boosted fuel pressure to the engine high pressure fuel pump during engine starting.

  • Page 15: Landing Gear, Wheels & Brakes

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL information, refer to Section 2. LANDING GEAR, WHEELS & BRAKES The main landing gear is made using a formed chrome-moly spring steel unit. The left main gear and the right main gear are symmetrical. The main wheels are 29 x 11. The...
  • Page 16 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 1-1: Aircraft 3-view Effective: 05/05/04...
  • Page 17 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 1-2: Aircraft Stations Effective: 05/05/04...
  • Page 18 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL SECTION 2 SERVICING & INSPECTION TABLE OF CONTENTS SERVICING & INSPECTION ..................3 GROUND HANDLING ....................3 TOWING ........................3 TAXIING ........................3 PARKING........................3 MOORING ......................... 3 JACKING ........................4 LEVELING .........................
  • Page 19 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL FUSELAGE SKINS ....................24 HOPPER........................24 WINGS........................24 FUSELAGE FRAME ....................25 CONTROL SYSTEMS ..................... 26 METAL EMPENNAGE ..................... 27 AILERONS AND FLAPS..................27 COCKPIT......................... 28 ELECTRICAL SYSTEM ................... 29 CORROSION CONTROL .....................

  • Page 20: Servicing & Inspection

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL SERVICING & INSPECTION Standard procedure for ground handling, servicing, inspection, airframe maintenance, lubrication, and storage are included in this Section. Adherence to these procedures on a scheduled basis can save many hours of maintenance and aircraft down time. When a system component requires service or maintenance other than that outlined in this Section, refer to the applicable Section of this manual for complete information.

  • Page 21: Jacking

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL JACKING Jack points are provided on each main spar and located at wing stations 120 & 193.38. When using the jack points to lift the aircraft, all hopper loads should be removed. (Fig. 2- 1) A jack point is also provided on the tail wheel trunnion attach fitting on the lower left longeron.

  • Page 22: Ground Emergency Procedures

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Maintenance Procedures. Fill the fuel tanks immediately after flight. If shelter is not available, tie the aircraft down and install covers on all vents, openings, etc. as required. GROUND EMERGENCY PROCEDURES Emergency procedures must be accomplished as rapidly as possible, should an emergency arise.

  • Page 23: Ground Operation Of Engine

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL GROUND OPERATION OF ENGINE BEFORE STARTING ENGINE Visually check the aircraft for general condition. Verify that all Camlocs on the skin panels are fastened. Remove all accumulations of frost, ice, or snow in cold weather from the wing, the tail, and the control surfaces.

  • Page 24: Engine Operational Check

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Whenever the gas generator fails to light off within 10 seconds after moving the fuel condition lever to the ground (low) idle position: pull fuel condition lever to idle cutoff and turn ignition and starter switches off.

  • Page 25: System And Component Servicing

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL SYSTEM AND COMPONENT SERVICING Servicing procedures contained in this Section are confined to those maintenance actions that occur with routine frequency and require a reasonably short period of time to accomplish.
  • Page 26 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL cold oil level is the Maximum Cold mark on the dipstick. The normal hot level is Maximum Hot mark on the dipstick. A dipstick reading of 3 will indicate that the system requires 2 U.S.
  • Page 27 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Remove the chip detector (Figure 2-8, #3) from the six o'clock position on the reduction gearbox front case. Discard the preformed packing. Visually examine the drained oil for the presence of foreign matter.

  • Page 28: Fuel System

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Start engine and run at idle speed for a minimum of two minutes. Feather the propeller. Shut down the engine. Repeat Steps 1. through 3. Remove the main oil filter. Clean or replace the filter and reinstall.
  • Page 29 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL maximum of 150 hours between overhauls. For the Restricted Category, service the aircraft with Jet A, Jet B, JP-4, JP-5, or automotive diesel number 1D or 2D in accordance with P&WC Specifications CPW204, CPW 46 and CPW 381.

  • Page 30: Defueling

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL * NOTE * It is common and normal after an engine compressor Water Wash or Performance Recovery Wash to have water or soap appear in the reservoirs’ drained waste fuel.

  • Page 31: Induction System

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Close the drain valves and move the fuel containers to a safe distance from the aircraft. Verify that all the drain valves are closed. INDUCTION SYSTEM The prime difference between the agricultural and a normal installation is the air cleaning system incorporated in the engine air intake system.

  • Page 32: Inspection Check List

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL INSPECTION CHECK LIST Movable parts are to be checked for lubrication, servicing, security of attachment, binding, excessive wear, Safety, proper operation, proper adjustment, correct travel, cracked fittings, security of hinges, defective bearings, cleanliness, corrosion, deformation, sealing, and tension.

  • Page 33: Inspection Chart

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL INSPECTION CHART PROPELLER (Refer to Hartzell Manual #139 Propeller Owner’s Manual and Logbook.) Remove the spinner and check for cracks. Check the back plate for cracks and corrosion. Check for grease and oil leaks.

  • Page 34: Engine Externals

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PROPELLER (Continued) Check ring rod-end jam nuts. Re-install spinner. Rotate prop check alignment of low pitch stop collar. (.010 max. runout) Check carbon block side clearance. New Block: .001 ”-.002” clearance Used Block: .010”-max allowed...

  • Page 35: Engine Oil System

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ENGINE EXTERNALS (Continued) Check the gas generator case for cracks, distortion, and corrosion. Check the fire seals for cracks and security of brackets and seals. Check the exhaust duct for cracks and distortion.

  • Page 36: Oil Cooler Augmentation (Ground)

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ENGINE OIL SYSTEM (Continued) Check condition and security of oil filler cap. Remove, inspect, clean, and reinstall oil filter in accordance with instructions obtained in the engine’s appropriate Pratt & Whitney maintenance manual.

  • Page 37: Ignition System

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ENGINE FUEL SYSTEM (Continued) * NOTE * On new aircraft, check the filter after each flight until there is no evidence of contamination. Check the filter after the first flight or ground run when any upstream component is replaced.

  • Page 38: Pneumatic System

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PNEUMATIC SYSTEM Clean the air compressor delivery filters (P3) every 100 hours. The maximum interval is 1000 hours for the disposable type. For the metallic cleanable type, return to an approved overhaul shop for ultrasonic cleaning every 1000 hours.

  • Page 39: Tail Gear

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL MAIN LANDING GEAR (Continued) Check the master cylinders, parking brake valves, brake lines, brake calipers, all brake fittings, and brake bleeders for leakage, general condition, and security. Check brake fluid level in each master cylinder and top off with fresh MIL-H-5606 aviation hydraulic fluid as required.
  • Page 40 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL TAIL GEAR (Continued) Inspect upper and lower leaf spring support blocks, and attachment hardware for wear, corrosion, and cracks. Ensure that the leaf spring support blocks grips the leaf spring tightly to prevent leaf spring movement fwd.

  • Page 41: Fuselage Skins

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL FUSELAGE SKINS Inspect all panels and cowlings for cracks, chaffing, and security of fasteners. Check the camloc receptacles for corrosion, wear, and locking action. HOPPER Inspect the hopper baffles for security and condition.

  • Page 42: Fuselage Frame

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL WINGS (Continued) Inspect the wing skins for cracks, loose rivets, general condition of the paint, and corrosion. Inspect the front and rear spar flanges, ribs, and other structures for cracks and corrosion.

  • Page 43: Control Systems

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL CONTROL SYSTEMS Check all turnbuckles for corrosion and for proper lock wiring. Inspect all cables and end fittings for wear. Check for correct tension. Check all push rods for loose bearings, endplay, straightness and paint condition.

  • Page 44: Metal Empennage

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL METAL EMPENNAGE Check the travel of the movable surfaces. Elevator up....... 27 degrees ±1 degree Elevator down....17 degrees ±1 degree Rudder ......22 degrees ±1 degree Tab up........ 8 degrees ±1degree Tab down ......

  • Page 45: Cockpit

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL AILERONS AND FLAPS (Continued) Check security of all bolts. Check the external skins for general condition. Check the drain holes for obstruction. Inspect all the skins and ribs for cracks, loose rivets, general condition, and corrosion.

  • Page 46: Electrical System

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ELECTRICAL SYSTEM Check the battery charge and water level. Check battery relays, spike diodes, regulator, fuses, and switches for security. Check all wiring for chafing and clamping. Check all terminals for security and corrosion Check the battery’s vent hoses for security and...

  • Page 47: Windshield

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Wash all exterior surfaces of the aircraft with plain water and any commercial soap or detergent. Soap and detergent are organic chemicals, and it is important that all traces be removed by flushing with plain water.
  • Page 48 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL and terminal connections with a wire brush and coat with petroleum jelly to minimize corrosion. ** CAUTION ** Do not allow the bicarbonate of soda to enter the battery filler openings, as it will neutralize...
  • Page 49 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 2-1: Tie Down and Jack Points 2-32 Effective 05/05/04...
  • Page 50 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 2-2: Wing Fuel Fillers and Drains 2-33 Effective: 05/05/04...
  • Page 51 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 2-3: Fuselage Fuel Drains 2-34 Effective 05/05/04...
  • Page 52 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 2-4: Fuel Filter Location 2-35 Effective: 05/05/04...
  • Page 53 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LUBRICATION For the lubrication requirements, refer to Figure 2-6: Lubrication Chart (8 sheets). Before adding grease to fittings, wipe the fittings clean. Lubricate the fittings and wipe off the excess lubricant.
  • Page 54 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 2-6 Lubrication Chart (Sheet 2 of 8) 2-37 Effective: 05/05/04...
  • Page 55 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 2-6 Lubrication Chart (Sheet 3 of 8) 2-38 Effective 05/05/04...
  • Page 56 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 2-6 Lubrication Chart (Sheet 4 of 8) 2-39 Effective: 05/05/04...
  • Page 57 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 2-6 Lubrication Chart (Sheet 5 of 8) 2-40 Effective 05/05/04...
  • Page 58 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 2-6 Lubrication Chart (Sheet 6 of 8) 2-41 Effective: 05/05/04...
  • Page 59 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 2-6 Lubrication Chart (Sheet 7 of 8) 2-42 Effective 05/05/04...
  • Page 60 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 2-6 Lubrication Chart (Sheet 8 of 8) 2-43 Effective: 05/05/04...
  • Page 61 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL BOLTS BOLTS FINE THREAD STEEL - TENSION STEEL - TENSION STEEL - SHEAR STEEL SERIES AN 3 thru AN 20 MS 20004 thru MS 20024 NAS 333 - NAS 340...
  • Page 62 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 2-8: Engine Oil Servicing 2-45 Effective: 05/05/04...
  • Page 63 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Section 3 HYDRAULICS TABLE OF CONTENTS SECTION THREE ......................1 HYDRAULIC SYSTEM..................... 2 GENERAL DESCRIPTION....................2 3- 1 Effective: 05/05/04...
  • Page 64 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL HYDRAULIC SYSTEM GENERAL DESCRIPTION The S2RHG-T65 aircraft has two individual hydraulic systems using MIL-H-5606 fluid. The main landing gear utilizes a master brake cylinder for the operation of the landing gear brakes and parking brakes.
  • Page 65 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL SECTION 4 POWERPLANT AND PROPELLER TABLE OF CONTENTS GENERAL DESCRIPTION...................3 AIR CLEANING SYSTEM .................... 3 POWERPLANT ......................3 DESCRIPTION AND OPERATION ................. 3 ENGINE BUILDUP ....................5 ENGINE REMOVAL ....................6 ENGINE INSTALLATION.....................9...
  • Page 66 BETA & REVERSE LOCKOUT ................27 FUEL SHUTOFF LOCKOUT ................. 27 1600 RPM Np TORQUE SETTING ............... 27 ENGINE DATA PERTINENT TO THRUSH AIRCRAFT INC INSTALLATION ..28 Figure 4-0a: PT6 Engine Assembly..............30 Figure 4-0b: PT6 Engine Assembly..............31 Figure 4-1: Prop Pitch Mechanism ..............

  • Page 67: Powerplant And Propeller

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL POWERPLANT AND PROPELLER GENERAL DESCRIPTION The Turbo Thrush S2RHG-T65 agricultural airplane utilizes a Pratt & Whitney Aircraft Canada PT6A-45A, -45B, -45R, PT6A-60AG, or PT6A-65AG, -65AR, or -65B turboprop gas turbine engine. The dual cockpit version is approved with the PT6A-60AG engine only at this time.
  • Page 68 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL various sizes that allow entry of compressor delivery air. The flow of air changes direction 180 degrees as it enters and mixes with fuel. The fuel/air mixture is ignited and the resultant expanding gases are directed to the turbines.

  • Page 69: Engine Buildup

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL power turbine speed at a speed slightly less than the selected rpm when operating in the Beta control range. ENGINE BUILDUP Engine build-up consists of the removal of accessories and equipment from the old engine and installing them on the new engine.

  • Page 70: Engine Removal

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Remove the engine mounts from the old engine and install on the new engine, using the same bolts, washers, and gaskets. Torque the bolts to 250-325 inch pounds and secure with safety wire. Figure 4-8, #2...
  • Page 71 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL * NOTE * Tag and identify all tube and hose assemblies to facilitate and ensure correct installation of the engine. Cap and plug all openings to prevent contamination. Oil cooler hoses.
  • Page 72 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL * NOTE * After wiring harness has been removed from above items, remove the grommet at basket assembly aft. Close out and carefully pull the harness aft and clear of basket. Secure harness to prevent damage until ready to re-install.

  • Page 73: Engine Installation

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ** CAUTION ** Before hoisting the engine unit clear of the fuselage nose section, check that all wiring, cables, and tube and hose assemblies are disconnected and free from snagging.
  • Page 74 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Connect the electrical leads and connector plugs at the locations noted: Engine ground cable to rear of engine-driven boost pump. Fuel flow transducer (if equipped). Starter/generator terminal block. Ignition leads at exciter box.

  • Page 75: Description And Operation

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Perform the engine ground test and checks. (Refer to procedures outlined later in this section and Pratt & Whitney Maintenance Manual.) ** CAUTION ** Prior to engine run-up, ensure the engine air inlet plenums are free of foreign objects.

  • Page 76: Constant Speed Unit (Csu)

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ring rod end (Fig. 4-1) which steadies the low stop rods. As the servo-piston moves forward, it picks up on the beta nuts at a certain preset blade pitch. From that instant the propeller feedback ring (Fig.
  • Page 77 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL to lift the pilot valve plunger and the force of the speeder spring tends to push the pilot valve plunger down. The interaction of these two forces controls the propeller speed.
  • Page 78 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL operations the propeller control lever on the throttle quadrant is at the max RPM (full forward position). The speeder spring is exerting its maximum downward force so that it will always exceed the upward force of the flyweights in order to keep the pilot valve plunger down at all times during the beta and reverse.

  • Page 79: Propeller Overspeed Governor

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL cruise. Normally in those configurations the blades are much coarser than the angle at which the servo-piston picks up the beta nuts. The second function of the beta control valve is to enable direct control of the propeller blade angle in beta and reverse.

  • Page 80: Propeller Speed Select And Feathering Control

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL In all forward configurations, which includes low idle, takeoff, climb, and cruise, the power lever control performs only one function - the function of scheduling fuel. When the cockpit power lever is advanced, the cam follower pin (Fig. 4-3, #11) moves forward and pushes the FCU arm (Fig.

  • Page 81: Propeller Maintenance

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Cruise Power . . . Approximately +35° @ 42 inch station Full Feathered Angle . . . 79.0± 0.5° @ 42 inch station Mechanical Reverse Pitch Stop . . . -11°± 0.5° @ 42 inch station Angle at which servo piston just touches the three low pitch stop rod beta nuts (which move the propeller beta feedback ring) is 10.0°±...

  • Page 82: Propeller Installation

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL * NOTE * Mark propeller hub flange and the engine shaft flange so that the propeller can be reinstalled in its original position. This will prevent disturbing the propeller/engine combination dynamic balancing if the same propeller is to be reinstalled.

  • Page 83: Constant Speed Unit (Csu) Removal

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Using (Hartzell P/N AST-2877) special torquing adapter and a standard torque wrench, torque all eight bolts according to instructions as outlined in the latest edition of Hartzell Propeller, Inc. Owner's Manual & Log Book No. 139.

  • Page 84: Constant Speed Unit (Csu) Installation

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Remove bolt that secures the propeller control cable to the governor's speed select lever. Remove the cotter pin, castellated nut, and washer and bolt securing the Nf governor-interconnecting rod to the Nf governor reset arm.

  • Page 85: Propeller Csu High Rpm Adjustment

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Secure the front clevis end to the propeller reversing lever with the attaching spacer, bolt, washers, castellated nut and cotter pin. Secure the Nf governor-interconnecting rod to the Nf governor reset arm with the attaching bolt, washer, castellated nut and cotter pin.

  • Page 86: Rigging Instructions

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ENGINE CONTROLS RIGGING INSTRUCTIONS The following instructions will produce nominal settings of the engine’s operating parameters. If an engine is installed, fuel control, propeller or propeller governor replaced or any time the adjustment of these units is disturbed, the engine controls rigging should be checked.

  • Page 87: Rear Linkage

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL With beta valve set at the rigging datum position, set fuel governor reset arm (Fig. 4-2, #13) on its MAX stop (Fig. 4-2, #12). Align holes in terminal end of interconnect rod (Fig.

  • Page 88: Condition Lever Linkage

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL until a piece of paper between the screw and the stop is held tightly and a further motion in the REVERSE direction will release the paper. Measure the angle of the cambox input lever (Fig. 4-3, #3).

  • Page 89: Engine Rigging Checks And Adjustments

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Move the propeller control lever in the cockpit to FEATHER and ensure that the skirt below the governor speed set lever (Fig. 4-2, Item 9) fully depresses the feathering valve plunger.

  • Page 90: Max Propeller Speed Check

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Feather propeller. Ng should not change more than 100 RPM. MAX PROPELLER SPEED CHECK Set propeller control lever to obtain 100% Np or 1700 RPM Adjust MAX SPEED stop adjuster screw (Figure 4-2, item 10) as necessary.

  • Page 91: Beta & Reverse Lockout

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL restrict propeller rpm to 1170 or below. *NOTE* 1170 to 1400 RPM Np is prohibited on Ground. Stabilized operation below 900 RPM Np is prohibited – Except in feathered operation from 0 to 400 RPM Np.

  • Page 92: Engine Data Pertinent To Thrush Aircraft Inc Installation

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL **CAUTION** It is important that each nut be moved the same amount to ensure that the nuts are not moved out of the relationship with each other. **CAUTION** Do not perform ground testing of the propeller if the wind exceeds 5 MPH.
  • Page 93 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LEGEND: † 1050 SHP -60AG; 1050 SHP -45A, -45B, -45R; 1100 SHP – 65B †† 1050 SHP -60AG; 1020 SHP -45A, -45B, -45R; 1100 SHP – 65B ‡ 38.8 PSI -60AG; 38.8 PSI -45A, -45B, -45R; 43.34 PSI – 65B ‡‡...
  • Page 94 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 4-0a: PT6 Engine Assembly REVERSING CABLE FUEL PUMP T5 HARNESS OIL TO FUEL HEATER T5 TRIM STICK OIL PRESSURE TAPPING DECAL PATENTS DESIGNATION P3 AIR FILTER CAM BOX (REVERSING)
  • Page 95 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 4-0b: PT6 Engine Assembly INLET SCREEN IGNITER PLUG P2.5 CABIN BLEED ENGINE MOUNT PAD FIRESEAL – FRONT P3 CABIN BLEED PORT FUEL NOZZLE ADAPTER OIL SCAVENGE TUBES PY AIR LINE IGNITION CABLES DATA PLATE –...
  • Page 96 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Link Prop Feedback Ring Low Pitch Stop Rod Beta Nut Oil Transfer Tube Ring Crankshaft Figure 4-1: Prop Pitch Mechanism 4-32 Effective: 5/05/04...
  • Page 97 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 4-2: Propeller Reversing Linkage 4-33 Effective: 5/05/04...
  • Page 98 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 4-3: Engine Controls 4-34 Effective: 5/05/04...
  • Page 99 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 4-4: Engine Control Quadrant 4-35 Effective: 5/05/04...
  • Page 100 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL TORQUE PRESSURE – (PSI) – AT 1600RPM PRESSURE ALTITUDE ANDTEMPERATURE CONVERSION CHART Pressure Altitude Temp. (0 (Ft.) Degrees C) 2000 4000 6000 8000 Figure 4-5: Torque Conversion Chart 4-36...
  • Page 101 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 4-6: Beta Feedback Mechanism 4-37 Effective: 5/05/04...
  • Page 102 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 4-7: Fuel Control Unit 4-38 Effective: 5/05/04...
  • Page 103 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 4-8: Vibration Isolators 4-39 Effective: 5/05/04...
  • Page 104 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 4-9: Propeller Angle Guide Cockpit Power Lever (Throttle) To Propeller Blade Angle Relation 4-40 Effective: 5/05/04...
  • Page 105 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL SECTION 5 FUEL SYSTEM TABLE OF CONTENTS FUEL SYSTEM ....................... 2 GENERAL DESCRIPTION ..................2 MAINTENANCE PRECAUTIONS ................3 SUB-SYSTEMS AND COMPONENTS ..............3 FUEL QUANTITY INDICATING SYSTEM ............3 FUEL QUANTITY INDICATOR ................

  • Page 106: Fuel System

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL FUEL SYSTEM GENERAL DESCRIPTION (See Figure 5-1) A 230 U.S. gallon fuel supply is available for the Turbo Thrush. In each wing, fuel is contained inside integral wing tanks (wet wing fuel tanks) just outboard of the fuselage.

  • Page 107: Maintenance Precautions

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL fuel should be drained from each wing tank drain, the header tank drain, and the firewall fuel filter until all signs of water are gone. MAINTENANCE PRECAUTIONS The establishment of safe maintenance procedures is necessary to ensure safety of personnel and prevent damage to the aircraft when performing fuel system maintenance.

  • Page 108: Transmitter

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL TRANSMITTER The fuel quantity transmitters are installed in the inboard aft corner of the wing fuel tanks. Access to the transmitter is gained by removing the inboard cover plate. As the fuel level increases, the float arm is repositioned.

  • Page 109: Capacity (U.s. Gallons)

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Level aircraft as outlined in Section 2. Disconnect right fuel tank fuel lines to header tank at wing outlet ports. Cap fuel tank fittings and disconnected fuel lines. Fill header tank and lines with fuel.

  • Page 110: Auxiliary Electric Fuel Pump Installation

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Remove drain plug and drain pump. Disconnect electrical connector from motor. Remove hose from pump and cap hose. Remove attaching hardware and remove pump assembly from support bracket. AUXILIARY ELECTRIC FUEL PUMP INSTALLATION Install pump to support brackets and tighten hardware.

  • Page 111: Optional Fuel Flow

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ** CAUTION ** DO NOT twist or bend stud. Stud is not a removable item. DO NOT pry on filter element. Remove retaining and jam nuts (Items 3 and 4).

  • Page 112: Fuel Line Maintenance

    CS 3600 (Mil-S-4383C) is used by Thrush Aircraft as a topcoat for all the above listed polysulfide sealers inside of the Thrush’s integral fuel tanks. It is one part (no mixing), has the consistency of thin syrup and can be painted on top of all previously sealed internal fuel tank seams.

  • Page 113: Leak Sealing

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ***WARNING*** Refer to and adhere to all measures and precautions obtained from the applicable Material Safety Data Sheet (MSDS) prior to using or removing CS 3204 and any other...

  • Page 114: Troubleshooting

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Allow the sealant to cure for 16 hours or more. Pressure check fuel tank from 38 to 44 inches of water-manometer, for 3 (+1) minutes. **CAUTION** Do not attempt to apply pressure to the tank without first sealing off all lines and vents, and without an adequate regulator to control pressure.
  • Page 115 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PROBLEM PROBABLE CAUSE REMEDY No fuel quantity Left and right fuel indication. quantity indicator switch Check continuity and replace if defective. (Continued) defective. Check power to gauge. If no power, No power to gauge.

  • Page 116: Activating Hopper (Ferry) Fuel System

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PROBLEM PROBABLE CAUSE REMEDY No fuel flow when auxiliary Open or defective Check visually. If not open, check circuit breaker. continuity. Reset. Replace if defective. pump is turned on. (Continued) Loose connections or Check connections and wiring.

  • Page 117: Operating Instructions For The P/N 60167 Ferry Fuel System

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Assure side loading plumbing has been cleaned and there is no presence of water or chemicals. Install the 2" camloc female cap on the spray valve return inlet fitting located inside the hopper gate box left hand side and lock wire.
  • Page 118 THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Remove these instructions from the cockpit only after removal of the ferry fuel system from the aircraft. Figure 5-1: Fuel System, Firewall Aft 5-14 Effective: 5/05/04...
  • Page 119 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 5-2: Firewall Fuel Filter 5-15 Effective: 5/05/04...
  • Page 120 THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 5-3: Hopper Ferry Fuel System 5-16 Effective: 9/16/05...
  • Page 121 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL SECTION 6 LANDING GEAR, WHEELS & BRAKES TABLE OF CONTENTS LANDING GEAR, WHEELS AND BRAKES ..............3 MAIN LANDING GEAR ....................3 MAIN LANDING GEAR REMOVAL ................. 3 CLEANING, INSPECTION AND REPAIR OF MAIN GEAR ........3 TAIL LANDING GEAR....................
  • Page 122 THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 6-2a: Metallic Lining Wear Limits ............25 Figure 6-3: Brake Disc Coning Limits............... 26 Figure 6-4: Organic Brake Linings..............27 Figure 6-4a: Metallic Brake Linings ..............28 Figure 6-5: Brake Master Cylinder ..............29 Figure 6-6: 29-11 Main wheel................

  • Page 123: Landing Gear, Wheels And Brakes

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LANDING GEAR, WHEELS AND BRAKES MAIN LANDING GEAR The main landing gear consists of two interchangeable spring steel gear assemblies and two wheel and brake assemblies. A common center beam supports each gear half.

  • Page 124: Removal

    THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL REMOVAL (See to figure 6-1) Remove fuselage skins as required. Using a suitable Jack, jack and secure tail of aircraft, using jackpoint. Remove outer dust cover (hubcap). Remove cotter pin and axle castellated nut, then remove the tire/wheel assembly, and be sure to capture the two- (2) P/N95435-11 spacers, located on each side of wheel assembly.

  • Page 125: Disassembly Of Spindle Housing Assembly

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Inspect main spring leaf for corrosion and cracks. Replace leaf spring as needed. Inspect spindle housing assembly welds for cracks. Inspect spindle housing assembly for cracks and corrosion. Inspect lock pin and upper and lower lock plates for wear, corrosion, cracks, and proper operation.

  • Page 126: Installation

    THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Inspect lock pin lower plate and lock pin top plate assembly for cracks, corrosion and damage. Repair of tail gear sub-assembly is limited to reconditioning of parts such as replacing bearings and bushings, smoothing out minor nicks and scratches, repainting chipped or peeled areas and replacement of component parts.

  • Page 127: Tail Wheel Removal And Disassembly

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Assure lock pin is flush with bottom of lock pin cylinder when making final adjustment to lock cable turn barrel. Adjust top plate as required to assure straightforward travel of aircraft tail wheel when tail gear is locked.

  • Page 128: Tail Wheel Reassembly And Installation (6.00 - 6 8Pr)

    THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Bearing cup removal: Heat wheel half in an oven not exceeding 212°F for 15 minutes. Remove wheel half from heat source and immediately remove bearing cup by carefully tapping out evenly from the inside with a fiber drift.

  • Page 129: Wheels And Brakes

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Repack bearing cones with MIL-G-81322 (Aeroshell 22) grease or equivalent. On each side of wheel; apply a thin coating of grease on bearing cups, installed freshly repacked bearing cones, install flat grease seal ring, install felt grease seal retainer with felt seal installed Note: Lightly saturate grease seal felts with SAE 10wt.

  • Page 130: Inspection Of Main Wheel Assembly

    THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Remove bolts, washers and nuts and separate wheel halves. Guard valve stem to avoid damage while removing tire and tube. Remove brake disc from brake side of wheel. If disk sticks, pry out disc using non-metallic instrument.

  • Page 131: Reassembly And Installation

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL When replacing a bearing cup, repeat step 1., and chill bearing cup in dry ice for a minimum of 15 minutes. Remove wheel half from source of heat and bearing cup from the dry ice.

  • Page 132: Servicing

    THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Install valves core and inflate tires from 40 to 60 psi. Check to assure valve stem does not leak before installing valve cap. Lubricate washer and axle nut (see Section II Servicing). Install wheel assembly on axle and secure with washer and axle nut.

  • Page 133: Removal Of Linings From Calipers

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL REMOVAL OF LININGS FROM CALIPERS Remove backing plate attaching bolts and washers, and remove back plates and insulator shim. Carefully slide brake caliper out of torque plate bushing. Slide pressure plate assembly (lining carrier) off anchor bolts.

  • Page 134: Replacement Of Metallic Linings

    THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL REPLACEMENT OF METALLIC LININGS Pry off old lining using a screwdriver. Clean pressure plate and back plate surfaces of dirt, grease, etc. before installing new linings. Inspect pressure plate and back plates for excessive warping. Straighten pressure plate too less than 0.010”...

  • Page 135: Brake Lining Conditioning Procedures

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Install insulator shims (typically used with metallic lining) and spacers as applicable. Slide back plates between brake disc and wheel/tire and install back plate attachment bolts and washers into back plates.

  • Page 136: Thrush Non-Asbestos Organic Linings

    THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Properly conditioned linings will provide many hours of maintenance free service. A visual inspection of the brake disc will indicate the lining condition. A smooth surface, one without grooves, indicates the linings are properly glazed. If the disc is rough (grooved), the linings must be reglazed.
  • Page 137 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Disconnect and cap brake hydraulic supply line at brake housing. Remove back plate assemblies from calipers. Remove caliper assemblies. Remove pressure plate assembly. Clean all metal surfaces with denatured alcohol and dry thoroughly. All “0” rings are to be replace.

  • Page 138: Brake Reassembly And Installation

    THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL *NOTE* Clean outside of pistons before inserting pistons into brake caliper housing assembly. Inspect torque plate for cracks, nicks, burrs, rust, excessive wear and brine ling in bolt holes. Replace torque plate if cracked or severely deformed.

  • Page 139: Brake Bleeding

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL brakes as outlined in this section. BRAKE BLEEDING To bleed the brakes proceed as follows: Place parking brake control in OFF position. * NOTE * Keep master cylinder reservoir full of the proper type fluid throughout bleeding operation.

  • Page 140: Landing Gear Troubleshooting Chart

    THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LANDING GEAR TROUBLESHOOTING CHART PROBLEM PROBABLE CAUSE REMEDY Jack tail, remove wheel and inspect bearings. Worn or loose wheel Tail wheel shimmy. Replace with new bearings. lubricated bearing if necessary.
  • Page 141 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PROBLEM PROBABLE CAUSE REMEDY Have someone apply and then release brakes. Wheel should rotate freely as soon as brake is released. If wheel fails to rotate freely, loosen brake line...
  • Page 142 THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 6-1: Tailwheel Assembly 6-22 Effective: 9/16/05...
  • Page 143 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 6-1a: Tail Leaf Spring Support 6-23 Effective: 05/25/05...
  • Page 144 THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ORGANIC BRAKE LININGS. Organic brake linings are used with P/N 164-05806 brake disk [.425” nominal new, .395” minimum (worn out)], this disk can easily recognized by it being a solid disk.
  • Page 145 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL METALLIC BRAKE LININGS. Metallic brake linings are used with P/N 164-22202 brake disk [.562” nominal new, .537” minimum (worn out)], this disk can easily recognized by it having 6 each out-gassing slots around its periphery.
  • Page 146 THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 6-3: Brake Disc Coning Limits 6-26 Effective: 5/25/05...
  • Page 147 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Rivet Acceptance Criteria 1 The split shall not occur inside the crest of the clenched surface. 2 No more than two splits shall occur in a 90° area. 3 A total of no more than three splits shall be allowed.
  • Page 148 THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 6-4a: Metallic Brake Linings 6-28 Effective: 5/25/05...
  • Page 149 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 6-5: Brake Master Cylinder 6-29 Effective: 05/25/05...
  • Page 150 THRUSH AIRCRAFT INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 6-6: 29-11 Main wheel 6-30 Effective: 9/16/05...
  • Page 151 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 6-7: Cleveland Brakes 6-31 Effective: 9/16/05...
  • Page 152 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL SECTION 7 FLIGHT CONTROLS TABLE OF CONTENTS FLIGHT CONTROLS ......................3 GENERAL DESCRIPTION...................3 MAINTENANCE OF FLIGHT CONTROLS ..............3 FLIGHT CONTROL SYSTEMS ..................4 CONTROL STICK ......................4 REMOVAL OF BEARINGS FROM CONTROL STICK, FORK AND TORQUE TUBE........................4...
  • Page 153 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL WINGS........................13 WING REMOVAL ....................13 WING INSTALLATION ..................15 MODIFIED WING INSTALLATION PROCEDURE FOR S2R AIRCRAFT WHICH HAVE TO HAVE THE WING ATTACH ANGLES REPLACED......18 CONTROL SYSTEM TROUBLESHOOTING CHART..........20 AILERON SYSTEM ....................

  • Page 154: Flight Controls

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL FLIGHT CONTROLS GENERAL DESCRIPTION The aircraft is equipped with flight control surfaces consisting of ailerons, elevators, rudder, wing flaps, elevator tabs, rudder trim tabs and aileron trim tabs. The ailerons and flaps are an all-metal construction.

  • Page 155: Flight Control Systems

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL *** WARNING *** Failure to stay within control surfaces static balance limits could lead to control surface flutter, which could lead to loss of aircraft, life, and/or property. FLIGHT CONTROL SYSTEMS...

  • Page 156: Aileron Removal

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL bearing hinges and is attached to the aft wing spar at three points. One balance weight is installed in the outboard leading edge of each aileron to prevent flutter.

  • Page 157: Wing Flaps

    Begin with both tabs in neutral position (straight with trailing edge of aileron). Electric Aileron Trim Tabs. Thrush Aircraft Inc has made available an electric aileron trim tab normally installed on left aileron. Initially, the tab is rigged the same as servo-trim tabs, then the tab can be electrically adjusted to obtain level flight.

  • Page 158: Flap Removal

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Disconnect the electrical connections, connecting the micro-switches and motor. Identify the wires and locations for installation reference (See Figure 7-4). Remove one attach bolt at the motor end, loosen the other bolt slightly and remove the four bolts connecting the jackscrew to the flap torque tube.

  • Page 159: Rudder

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Retract the flaps with flap switch and turn the master switch “OFF.” Tighten and torque all hardware to the specifications called out in Section II of this manual. RUDDER The metal-covered rudder is attached to the vertical stabilizer at three hinge points.

  • Page 160: Control Cables Installation

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL CONTROL CABLES INSTALLATION (See Figure 7-8) Install the cables in reverse order of the removal procedures. Check rigging per rigging instructions. Assure all cables, cable guards and turnbuckles are installed properly and safety wired.

  • Page 161: Elevator Balance Spring

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ELEVATOR BALANCE SPRING The elevator system has a balance spring attached to the forward elevator bell crank with a cable on top and spring on the other end attached to bell crank support bracket. The cable and spring are connected with a turnbuckle for final adjustments.

  • Page 162: Elevator Trim Tabs

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ** CAUTION ** Rigging of the elevators will require that tail gear be checked for proper operation. See Section 6, Landing Gear. Set the elevator at the full up travel of 27 (±1) degrees and adjust the aft stop on the control stick to match this position.

  • Page 163: Empennage

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL EMPENNAGE The vertical stabilizer, rudder, horizontal stabilizer and elevators are constructed of Alclad aluminum. All stabilizers are connected to the fuselage structure by bolts and supported by adjustable struts. Rudder and elevators are attached to the stabilizers by hinges containing sealed bearings.

  • Page 164: Wings

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Install left and right elevator using P/N 40065-1 spacer, AN4-12A bolt and AN4- 11A bolts in center and outboard hinges. Connect elevator control arm and check travel 27° ±1° up and 17°±1° down.
  • Page 165 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Remove the ¼ inch bolts securing the left and right wing, inboard and outboard attach angles to the spar webs, 12 places on each wing. Back the locknuts off of the NAS bolts in the splice fittings far enough to conceal the end of the bolt threads.

  • Page 166: Wing Installation

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL *** WARNING *** Under no circumstances should the bolts be turned while the threads are in the spar cap. This could damage the hole surface finish which could result in a stress concentration.
  • Page 167 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ** CAUTION ** On all NAS bolts described hereinafter, insure that at least two bolt threads are showing beyond the edge of the fiber locknut and that the nut has not bottomed out on the bolt threads.
  • Page 168 The upper and lower tube nuts are joined together by u-shaped clevises (part number 22506-11). The tube nut connection will require the use of Thrush Aircraft Inc tool part number ESK681-1 or equivalent in drilling and locating the .25”...

  • Page 169: Modified Wing Installation Procedure For S2R Aircraft Which Have To Have The Wing Attach Angles Replaced

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL NAS1104-26 bolts, MS20002C4 chamfered washers, under the head, AN-960-416 washers, and MS21044N4 locknuts. Torque locknuts per table 7-3. Remove the ½ temporary spacers from between the wing spars and the longerons, two places.
  • Page 170 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Remove the angle and check to confirm that the mark for the bottom hole is at least 5/8 (2X hole diameter) inch away from the edge of the angle. If it is not, file...

  • Page 171: Control System Troubleshooting Chart

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL CONTROL SYSTEM TROUBLESHOOTING CHART AILERON SYSTEM PROBLEM CAUSE REMEDY Check control stick bearings Resistance to control Control stick bearings for lubrication, excessive wear stick movement. dry or worn. and cleanliness.

  • Page 172: Rudder System

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PROBLEM CAUSE REMEDY FLAP SYSTEM (Continued) Flaps do not extend (down) or retract (up). Defective microswitch. Replace microswitch. (Cont.) Flaps fail to retract (up) Incorrect rigging of push Rig in accordance with rigging completely.

  • Page 173: Elevator System

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PROBLEM CAUSE REMEDY RUDDER SYSTEM (Continued) Excessive resistance to Rudder binding caused rudder pedal movement. Replace rudder horn. by bent rudder horn. (Continued) Rudder pedal needs Lubricate as required.

  • Page 174: Elevator Trim System

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ELEVATOR TRIM SYSTEM PROBLEM CAUSE REMEDY Trim control lever moves Check push rods at fairings for with excessive Push rods binding. free movement. resistance. Lubricate hinge. If necessary Trim tab hinge binding.
  • Page 175 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-1: Control Stick Installation 7-24 Effective: 5/05/04...
  • Page 176 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-2: Aileron Control System 7-25 Effective: 5/05/04...
  • Page 177 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-3: Rudder-Aileron Interconnect Springs 7-26 Effective: 9/16/05...
  • Page 178 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-4: Flap Actuator Motor 7-27 Effective: 9/16/05...
  • Page 179 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-5: Flap Actuating Mechanism 7-28 Effective: 9/16/05...
  • Page 180 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-6: Flap Down-stop Installation 7-29 Effective: 9/16/05...
  • Page 181 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-7: Rudder Pedal Installation 7-30 Effective: 9/16/05...
  • Page 182 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-8: Rudder Control System 7-31 Effective: 9/16/05...
  • Page 183 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-9: Rudder Control Rigging 7-32 Effective: 9/16/05...
  • Page 184 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-10: Elevator control System 7-33 Effective: 9/16/05...
  • Page 185 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-11: Elevator Trim Tab Linkage 7-34 Effective: 9/16/05...
  • Page 186 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-12: Horizontal Stabilizer Attachment 7-35 Effective: 9/16/05...
  • Page 187 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-13: Empennage Attachment 7-36 Effective: 9/16/05...
  • Page 188 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-14: Wing Attach Angle Attachment to Spar 7-37 Effective: 9/16/05...
  • Page 189 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-15: Wing Spar Center Splice 7-38 Effective: 9/16/05...
  • Page 190 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-16: Wing Splice Attachment to Fuselage Frame 7-39 Effective: 9/16/05...
  • Page 191 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL BOLT SIZE NUT TORQUE 3/16 – 32 25 – 30 in. – lbs. 1/4 – 28 80 – 100 in. – lbs. 5/16 – 24 120 – 145 in. – lbs.

  • Page 192: Flight Control Static Balance Limits

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 7-16: Attaching Wing Attach Angles to Fuselage Frame FLIGHT CONTROL STATIC BALANCE LIMITS After repaint or repair of balanced control surfaces, they must be checked for proper balance using the limits found in Table 7-2, below. Stripping of paint and repainting may be necessary if control fails to be within limits.
  • Page 193 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL “HIGH SPEED” RUDDER ASSY P/N 40226T103: INCH-POUNDS OF IMBALANCE FROM HINGE LINE, TRAILING EDGE HEAVY. INCH POUNDS CONDITION MINIMUM MAXIMUM MANUFACTURING FIELD REPAIR “HIGH SPEED” ELEVATOR ASSY P/N 40058T503 “L/H” or T504 “R/H”: INCH- POUNDS OF IMBALANCE FROM HINGE LINE, TRAILING EDGE HEAVY.
  • Page 194 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL SECTION 8 INSTRUMENTS TABLE OF CONTENTS INSTRUMENTS ......................2 GENERAL DESCRIPTION ..................2 INSTRUMENT SYSTEM MAINTENANCE..............2 FLIGHT INSTRUMENTS ................... 2 PITOT-STATIC SYSTEM................... 2 MAINTENANCE ....................3 INSPECTION AND LEAKAGE TEST ..............3 ALTIMETER.......................

  • Page 195: Instruments

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL INSTRUMENTS GENERAL DESCRIPTION The standard instruments are located on three panels in the cockpit. An upper panel, a left lower panel, and a right lower panel. The left lower panel contains a clock, oil temperature gauge, oil pressure gauge, fuel pressure gauge, air filter Delta “P”...

  • Page 196: Maintenance

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL pressure ports are located on both sides of the aft fuselage where they are connected through a yoke to a tube that runs forward along the left side of the fuselage to the instruments.

  • Page 197: Altimeter

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL still exceeds the maximum allowable, use the following procedure. Disconnect static pressure line from airspeed indicator to altimeter. Cap tee at altimeter so that the altimeter is the only instrument still connected to static pressure system.

  • Page 198: Bank Indicator

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL compensating magnets that are adjustable from the front of the case. Covers on the face of the compass allow access to adjust the compensating magnets. The compass should be swung and compensated at regular intervals and at any time equipment installations are made that could cause compass deviation.

  • Page 199: Voltmeter

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL resistance transducers, one installed in each tank. The full tank position of the transducer float produces a minimum resistance through the transducer, permitting maximum current flow through the fuel quantity indicator and maximum pointer deflection.
  • Page 200 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL A screw type adjuster located on the face of the gauge at the six o’clock position adjusts the remote gauge 0 mark. Adjustment of the screw CW or CCW will move pointer left or right.

  • Page 201: Instrument Troubleshooting Chart

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL INSTRUMENT TROUBLESHOOTING CHART AIRSPEED INDICATOR PROBLEM PROBABLE CAUSE REMEDY Pitot pressure connection not Test line and connection for leaks. Hand fails to respond properly connected to Repair or replace damaged line, pressure line from pitot tighten connections.

  • Page 202: Magnetic Compass

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PROBLEM PROBABLE CAUSE REMEDY ALTIMETER (Continued) Substitute known-good altimeter Leaking diaphragm and check reading. Replace instrument. Compare reading with known- Pointers out of good altimeter. Replace calibration. instrument. Check lines for obstructions or Static pressure leaks.

  • Page 203: Engine Oil Pressure Gauge

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PROBLEM PROBABLE CAUSE REMEDY ENGINE OIL PRESSURE GAUGE Gauge has erratic Worn or bent Replace instrument. operation movement Dirty or corroded Replace instrument. movement Pointer bent and rubbing on dial, dial Replace instrument.

  • Page 204: Tachometer

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PROBLEM PROBABLE CAUSE REMEDY TACHOMETER Test generator for output. Tachometer registers Tachometer Overhaul or replace if necessary. low, erratically, or no generator/tachometer Test instrument and replace, if reading. defective necessary.

  • Page 205: Hopper Quantity System (Optional Equipment)

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PROBLEM PROBABLE CAUSE REMEDY ENGINE OIL TEMPERATURE GAUGE (Continued) Check for partial ground between Grounded wire transmitter and indicator. Repair or replace defective wire. Check circuit breaker. Inspect for...

  • Page 206: Instrument Markings - Pt6A-60Ag

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL INSTRUMENT MARKINGS - PT6A-60AG UNIT RANGE DEPICTION MEANING Red Radial MINIMUM -40 to 0 Yellow Arc CAUTION Oil Temperature (°C) 0 to 110 Green Arc NORMAL Red Radial MAXIMUM...

  • Page 207: Instrument Markings - Pt6A-45A, -45B, -45R Series

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL INSTRUMENT MARKINGS - PT6A-45A, -45B, -45R SERIES Not Applicable to Dual Cockpit Models UNIT RANGE DEPICTION MEANING Red Radial MINIMUM -40 to 0 Yellow Arc CAUTION Oil Temperature (°C)

  • Page 208: Instrument Markings - Pt6A-65Ag, -65B, & -65Ar

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL INSTRUMENT MARKINGS - PT6A-65AG, -65B, & -65AR Not Applicable to Dual Cockpit Models UNIT RANGE DEPICTION MEANING Red Radial MINIMUM -40 to 0 Yellow Arc CAUTION Oil Temperature (°C)

  • Page 209: Instrument Markings

    THRUSH AIRCRAFT INC – MODEL S2RHG-T34 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL INSTRUMENT MARKINGS - PT6A-65AG, -65B, & -65AR (Continued) NORMAL 0 to 45.07 Green Arc (See Instrument Panel Placard) 45.07 to Torque (PSI) Yellow Arc CAUTION 48.03 PT6-65AG, - 65AR 48.03...
  • Page 210 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LEVEL SENSING UNIT BLUE BLACK WIRES COMING FROM TUBE BROWN APPROXIMATE RESISTANCE WITH FLOAT IN CENTER OF TUBE BLACK 3000 – 5000 OHMS BLUE BLACK 2000 – 3000 OHMS...
  • Page 211 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL SECTION 9 DISPERSAL SYSTEMS TABLE OF CONTENTS DISPERSAL SYSTEMS.....................2 GENERAL DESCRIPTION....................2 HOPPER ........................... 2 HOPPER CARE ......................2 HOPPER REPAIR ....................3 HOPPER GATE BOX REMOVAL................3 HOPPER GATE BOX INSTALLATION..............4 HOPPER ADAPTER BOX REMOVAL ..............

  • Page 212: Dispersal Systems

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL DISPERSAL SYSTEMS GENERAL DESCRIPTION A reinforced fiberglass hopper is the principal part of both the solid and spray units. The hopper top forms the cowling from the cockpit forward to the firewall. The hopper gate box is designed to be liquid as well as dust tight.

  • Page 213: Hopper Repair

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL HOPPER REPAIR (See Figure 9-1) Hopper repair may be accomplished as follows: Fiberglass surfaces must be clean, dry and free of oil, wax or other foreign matter. If chemical erosion is evident, sand rough areas and wash with any good domestic detergent.

  • Page 214: Hopper Gate Box Installation

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL HOPPER GATE BOX INSTALLATION (See Figure 9-4) Before installing gate box, be sure that all mating surfaces are clean and dry. For maximum strength, apply 3M Scotch-Weld ™ DP-190 Translucent Epoxy adhesive evenly to both mating surfaces and both sides of gaskets thoroughly.
  • Page 215 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Inspect hopper vent tube for evidence of corrosion and security. Inspect emergency and 3-way valve handle and control rods for cracks around welds. Check condition of control rod boot.
  • Page 216 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 9-2: Hopper Effective: 05/05/04...
  • Page 217 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 9-3: Optional Hopper Rinse System Effective: 05/05/04...

  • Page 218: Agitator And Spreader

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 9-4: Gatebox and Adapter Box AGITATOR AND SPREADER (See Figure 9-5) Inspect gearbox for proper oil level (refer to manufacturer's data). Inspect fan, gearbox, drive shaft, agitator and coupling for security and proper operation.
  • Page 219 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Support spreader, connect rear support tubes. Raise front connection camloc fasteners to hopper sump and side latches. Spreader should be level, centered, and clear of door control arms. Figure 9-5: Agitator and Spreader...
  • Page 220 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Figure 9-6: Spray Booms 9-10 Effective: 05/05/04...
  • Page 221 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL SECTION 10 ELECTRICAL SYSTEM TABLE OF CONTENTS ELECTRICAL SYSTEM.....................3 GENERAL DESCRIPTION ................... 3 POWER DISTRIBUTION ....................3 BATTERY AND EXTERNAL POWER ..............3 BATTERY SERVICING ................... 3 SERVICING BATTERY INSTALLED IN AIRCRAFT ..........4 GENERATOR SYSTEM ....................4...
  • Page 222 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL WIRE ROUTING – Right Side................24 WIRE ROUTING – Left Side ................25 Quick Disconnect A..................26 Quick Disconnect B..................27 Quick Disconnect C..................28 Quick Disconnect D..................29 Quick Disconnect E..................

  • Page 223: Electrical System

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ELECTRICAL SYSTEM GENERAL DESCRIPTION The aircraft 24-volt DC electrical system is designed to provide the utmost in reliability. Two 24-volt storage batteries provide electric current for engine starting and a reserve source of electrical power in the event of generator failure.

  • Page 224: Servicing Battery Installed In Aircraft

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Check and re-adjust electrolyte level as necessary by adding more electrolytes to obtain proper level as stated in procedure B. Install vent plugs tightly into each cell. Clean and neutralize any spilled electrolyte on battery.

  • Page 225: Battery Operation

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL BATTERY OPERATION Battery operation is controlled by a battery switch, placarded BATT-ON-OFF, located on the switch panel in the cockpit. The battery is capable of assuming the complete electrical load for a limited time at 70 amps max.

  • Page 226: Starter - Generator Maintenance

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Brighten up all electrical contacts, both on the voltage regulator and the 6 each fingers on the voltage regulator base, with Scotch-brite™ 07448 Ultra fine abrasive pad or equivalent. Place the voltage regulator into position and snap it to the regulator base with the retaining clips.

  • Page 227: Battery System

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Close the clamp hinge over the T-bolt. Check with a mirror to make certain the clamp groove fully captures both the flange on the quick-disconnect adapter and the flange on the starter-generator around its entire circumference.

  • Page 228: Starter/Generator - Generator Phase

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL TROUBLE PROBABLE CAUSE REMARKS BATTERY SYSTEM (Continued) No power Battery discharged, Check battery, recharge or replace indicated with defective or battery battery switch on disconnected Blown C/B in battery...

  • Page 229: Starter/Generator - Starter Phase

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL TROUBLE PROBABLE CAUSE REMARKS STARTER/GENERATOR – GENERATOR PHASE (Continued) No generator Check connections against wiring Improper connections output diagram (Continued) Defective generator Check switch for proper operation controls switch and replace if necessary.
  • Page 230 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL TROUBLE PROBABLE CAUSE REMARKS STARTER/GENERATOR – STARTER PHASE (Continued) Starter produces Check battery. Service and recharge Low battery low Ng if necessary Check resistance of each connection. Maximum resistance at any High resistance starter connection is 0.001 ohm.

  • Page 231: System Schematic

    THRUSH AIRCRAFT, IN MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL STANDARD EQUIPMENT SYSTEM SCHEMATIC 10 - 11 Effective: 09/16/05...

  • Page 232: Windshield Wipers

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL WINDSHIELD WIPERS 10 - 12 Effective: 09/16/05...

  • Page 233: Landing And Taxi Lights

    THRUSH AIRCRAFT, INC MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LANDING AND TAXI LIGHTS 10 - 13 Effective: 09/16/05...

  • Page 234: Flap Actuator And Controls

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL FLAP ACTUATOR AND CONTROLS 10 - 14 Effective: 09/16/05...

  • Page 235: Navigation And Instrument Lights

    THRUSH AIRCRAFT, INC MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL NAVIGATION AND INSTRUMENT LIGHTS 10 - 15 Effective: 09/16/05...

  • Page 236: Fuel Quantity Indication

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL AUXILLIARY BUSS FUEL QUANTITY INDICATION 10 - 16 Effective: 09/16/05...

  • Page 237: Low Oil Pressure Warning Light

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LOW OIL PRESSURE WARNING LIGHT STALL WARNING SYSTEM 10 - 17 Effective: 09/16/05...

  • Page 238: Power Distribution

    THRUSH AIRCRAFT, INC MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ENGINE RELATED POWER DISTRIBUTION 10 - 18 Effective: 09/16/05...

  • Page 239: Prop Beta Light

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL HOUR METER PROP BETA LIGHT 10 - 19 Effective: 09/16/05...

  • Page 240: Chip Detector

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL CHIP DETECTOR OIL TEMPERATURE 10 - 20 Effective: 09/16/05...

  • Page 241: Prop Rpm

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PROP RPM ENGINE RPM 10 - 21 Effective: 09/16/05...

  • Page 242: Itt

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL PRESS TO TEST OIL COOLER FAN 10 - 22 Effective: 09/16/05...

  • Page 243: Aux Fuel Pump, Igniters & Prop Test

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL AUX FUEL PUMP, IGNITERS & PROP TEST 10 - 23 Effective: 09/16/05...

  • Page 244: Wire Routing - Right Side

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL WIRE ROUTING – RIGHT SIDE 10 - 24 Effective: 09/16/05...

  • Page 245: Wire Routing - Left Side

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL WIRE ROUTING – LEFT SIDE 10 - 25 Effective: 09/16/05...

  • Page 246: Quick Disconnect A

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT A 10 - 26 Effective: 09/16/05...

  • Page 247: Quick Disconnect B

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT B 10 - 27 Effective: 09/16/05...

  • Page 248: Quick Disconnect C

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT C 10 - 28 Effective: 09/16/05...

  • Page 249: Quick Disconnect D

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT D 10 - 29 Effective: 09/16/05...

  • Page 250: Quick Disconnect E

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT E 10 - 30 Effective: 09/16/05...

  • Page 251: Quick Disconnect F

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT F 10 - 31 Effective: 09/16/05...

  • Page 252: Quick Disconnect G

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT G 10 - 32 Effective: 09/16/05...

  • Page 253: Quick Disconnect H

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT H 10 - 33 Effective: 09/16/05...

  • Page 254: Quick Disconnect J

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT J 10 - 34 Effective: 09/16/05...

  • Page 255: Quick Disconnect L

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT L 10 - 35 Effective: 09/16/05...

  • Page 256: Quick Disconnect N

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT N 10 - 36 Effective: 09/16/05...

  • Page 257: Quick Disconnect P

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT P 10 - 37 Effective: 09/16/05...

  • Page 258: Quick Disconnect R

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL QUICK DISCONNECT R 10 - 38 Effective: 09/16/05...

  • Page 259: Hopper Agitator

    THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL OPTIONAL EQUIPMENT HOPPER AGITATOR FUEL FLOW 10 - 39 Effective: 09/16/05...

  • Page 260: Electric Fan Brake

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ELECTRIC FAN BRAKE AVIONICS MASTER 10 - 40 Effective: 09/16/05...

  • Page 261: Crop Hawk

    THRUSH AIRCRAFT, INC MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL CROP HAWK HOPPER RINSE 10 - 41 Effective: 09/16/05...

  • Page 262: Heated Pitot Head

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL SMOKER HEATED PITOT HEAD 10 - 42 Effective: 09/16/05...

  • Page 263: Hopper Light

    THRUSH AIRCRAFT, INC MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL MICRONAIR HOPPER LIGHT 10 - 43 Effective: 09/16/05...

  • Page 264: Turn And Bank

    THRUSH AIRCRAFT, INC - MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL TURN AND BANK BOOM PRESSURE 10 - 44 Effective: 09/16/05...

  • Page 265: Map Lights

    THRUSH AIRCRAFT, INC MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL MAP LIGHTS FLAGGER 10 - 45 Effective: 09/16/05...

  • Page 266: Artificial Horizon

    THRUSH AIRCRAFT, INC MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ARTIFICIAL HORIZON 10 - 46 Effective: 09/16/05...

  • Page 267: Hopper Quantity

    THRUSH AIRCRAFT, INC MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL HOPPER QUANTITY 10 - 47 Effective: 09/16/05...

  • Page 268: Low Voltage Warning

    THRUSH AIRCRAFT, INC MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL LOW VOLTAGE WARNING 10 - 48 Effective: 09/16/05...

  • Page 269: High Capacity Wiper/Washer

    THRUSH AIRCRAFT, INC MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL HIGH CAPACITY WIPER/WASHER 10 - 49 Effective: 09/16/05...

  • Page 270: Zee Air Conditioner

    THRUSH AIRCRAFT, INC MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL ZEE AIR CONDITIONER 10 - 50 Effective: 09/16/05...
  • Page 271 THRUSH AIRCRAFT, INC – MODEL S2RHG-T65 TURBO THRUSH AIRCRAFT MAINTENANCE MANUAL Section 11 AIRWORTHINESS LIMITATIONS TABLE OF CONTENTS AIRWORTHINESS LIMITATIONS........................2 STRUCTURAL LIMITATIONS ........................2 STRUCTURAL INSPECTION LIMITATIONS....................2 11 - 1 Effective: 05/05/04...
  • Page 272 If cracks are found remove the splice blocks before next flight and inspect the lower spar cap for cracks in accordance with Thrush Aircraft, Inc. Service Bulletin SB- AG-39, if cracks are found in spar cap contact Thrush Aircraft, Inc. for possible repair or replacement.

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