Thrush Aircraft S2R-R1340 Maintenance Manual
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Thrush Aircraft S2R-R1340 Maintenance Manual

Single cockpit and dual cockpit
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THRUSH AIRCRAFT INC – MODEL S2R-R1340
AIRCRAFT MAINTENANCE MANUAL
THRUSH AIRCRAFT INC.
AIRCRAFT MAINTENANCE MANUAL
SINGLE COCKPIT AND DUAL COCKPIT
Model S2R – R1340
Serial Numbers S2R-R1340 S/N 036 & up
Issued January 1, 2008
Note:
All serial numbers with the DC suffix indicate the dual cockpit configuration.
Manufacturer's Serial Number: ____________
Registration Number: ____________________
Thrush Aircraft Inc.
P. O. Box 3149
300 Old Pretoria Road
Albany, GA 31706
Telephone: 229-883-1440
Fax: 229-436-4856
i
Effective: 01/01/2008

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  • Page 1 THRUSH AIRCRAFT INC. AIRCRAFT MAINTENANCE MANUAL SINGLE COCKPIT AND DUAL COCKPIT Model S2R – R1340 Serial Numbers S2R-R1340 S/N 036 & up Issued January 1, 2008 Note: All serial numbers with the DC suffix indicate the dual cockpit configuration. Manufacturer’s Serial Number: ____________ Registration Number: ____________________ Thrush Aircraft Inc.
  • Page 2 All information contained in this manual is based on the latest product information available at the time of printing. Thrush Aircraft, Inc. reserves the right to make changes at any time without notice.
  • Page 3 THRUSH AIRCRAFT INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 3..........HYDRAULICS SECTION 4..........POWER PLANT AND PROPELLER SECTION 5..........FUEL SYSTEM SECTION 6..........LANDING GEAR, WHEELS & BRAKES SECTION 7..........FLIGHT CONTROLS SECTION 8..........INSTRUMENTS SECTION 9..........DISPERSAL SYSTEMS SECTION 10..........
  • Page 4 THRUSH AIRCRAFT INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 2 LOG OF PAGES SERVICING & INSPECTION INTRODUCTION (Continued) Page Date Page Date .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 ..........
  • Page 5 THRUSH AIRCRAFT INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 4 SECTION 6 POWERPLANT & LANDING GEAR, PROPELLER WHEELS & BRAKES (Continued) (Continued) Page Date Page Date .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 ..........
  • Page 6 THRUSH AIRCRAFT INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 8 SECTION 11 INSTRUMENTS AIRWORTHINESS (Continued) LIMITATIONS Page Date Page Date .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 .......... 01/01/08 ..........
  • Page 7 THRUSH AIRCRAFT INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL LOG OF REVISIONS Rev. Eng’rg Pages Description of Revisions Approval Accepted Oct. 17, New Manual 2008 1/1/08 Effective: 01/01/2008...
  • Page 8 THRUSH AIRCRAFT INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK viii Effective: 01/01/2008...

  • Page 9: Table Of Contents

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 1 GENERAL INFORMATION TABLE OF CONTENTS GENERAL DESCRIPTION ....................2 CONTACT INFORMATION ..................2 PRINCIPAL DIMENSIONS ....................2 GENERAL........................2 WEIGHT & BALANCE ....................2 WING ..........................3 HORIZONTAL STABILIZER AND ELEVATORS ............3 VERTICAL STABILIZER AND RUDDER ..............

  • Page 10: General Description

    AIRCRAFT MAINTENANCE MANUAL GENERAL DESCRIPTION The Thrush Aircraft Inc Thrush S2R-R1340 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 structural integrity, flight safety, and minimum maintenance requirements.

  • Page 11: Wing

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL WING Type Full Cantilever Airfoil Section NACA 4412 Dihedral 3.50 Degrees Aileron Travel 21 Degrees ±1 Degree -Down 17 Degrees ±1 Degree Flap Travel: Down 15 Degrees ±1 Degree HORIZONTAL STABILIZER AND ELEVATORS...

  • Page 12: Supplier Furnished Component Manuals

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SUPPLIER FURNISHED COMPONENT MANUALS COMPONENT MANUAL PART # R1340 AN1 Maintenance Manual 118611 R1340 AN1 Parts Manual Propeller Owner’s Manual Note: Should there be a conflict between the information in this manual and that in the manuals for component parts, the information in the component part manual takes precedence.

  • Page 13: Empennage

    POWER PLANT & PROPELLER balances that are protected by overhangs on the fixed surfaces. The Thrush S2R-R1340 is powered by the Pratt & Whitney R1340–AN1, –S3H1 or – COCKPIT S1H1 nine-cylinder supercharged Wasp There are two choices of the enclosed radial engine.

  • Page 14: Landing Gear, Wheels & Brakes

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL The electrically driven fuel boost pump reduce condensation allow provides boosted fuel pressure to the entrapped water accumulations to settle to engine during starting. The electric driven the fuel system drains, to be removed, fuel boost pump discharge is then routed prior to the next flight.

  • Page 15: Instruments

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL switch located on the left side of the consists of the starting system, the cockpit. rudder controls wiper/washer system, the navigation lights interconnected by springs to the aileron and the strobe lights.

  • Page 16: Figure 1-1: Aircraft 3-View

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 1-1: Aircraft 3-view Effective: 01/01/08...

  • Page 17: Figure 1-2: Aircraft Stations

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 1-2: Aircraft Stations Effective: 01/01/08...
  • Page 18 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 1-10 Effective: 01/01/08...
  • Page 19 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 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 ......................3 LEVELING ......................
  • Page 20 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL INSPECTION.........................22 INSPECTION CHECK LIST ..................22 GENERAL INSTRUCTIONS ................22 Figure 2-3: R1340 Servicing and Inspection Guide........22 Table 2-2: INSPECTION CHECK LIST ..............23 A: PROPELLER ....................23 B: ENGINE EXTERNALS..................23 C: ENGINE OIL SYSTEM..................24 D: ENGINE FUEL SYSTEM ................25...

  • Page 21: Servicing & Inspection

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Head the aircraft into the wind and set the SERVICING & INSPECTION parking brake. Do not set the parking brake during cold wet weather because the Standard procedure for ground handling,...

  • Page 22: Weighing

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL LEVELING LONGERON, LEFT SIDE Figure 2-1: Tie Down and Jack Points WEIGHING *NOTE* Calculated Weight Center of Gravity (C.G.) location The weight and center of gravity (C.G.) of is NOT the same as fuselage the airplane as it left the factory is supplied station.

  • Page 23: Weighing The Airplane

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL For example: The new moment is the sum of the main gear scale readings multiplied by 3.10” Existing weight = 4,723# (the distance the MLG axles are behind Existing C.G. = 25.43”...

  • Page 24: Cold Weather Maintenance Hints

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Locating the aircraft inside a heated POST FLIGHT MAINTENANCE: Cold hanger is the most effective method of weather operation demands procedures preheating the aircraft. The use of an that are in addition to normal Post Flight external power unit is recommended to Maintenance Procedures.

  • Page 25: Exterior Pre-Start Check

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL position (except during propeller governor d. Check the fuel quantity indication in test). both tanks. e. Set the trim tabs for takeoff. CAUTION f. Turn Battery Switch ON, or to EXT...

  • Page 26: Engine Operational Checks

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL i. Starter Switch – ENGAGE CAUTION j. Ignition Switch – BOTH after propeller If magneto switch remains OFF made approximately full for longer than a few seconds, revolutions.. backfiring occur when k.

  • Page 27: System And Component Servicing

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL CARBURETOR IDLING MIXTURE: With HYDRAULIC SYSTEM engine at 450-600 RPM, check mixture Reference Section 3 strength as follows: The hydraulic system consists of two a. While observing tachometer, slowly master brake cylinders and the necessary...

  • Page 28: Engine Air Induction And Filter Cleaning

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL time for oil from the oil cooler to drain a. Remove access panel. also. Close drain valve. b. Loosen the top four tie rod nuts. Remove one tie rod. * NOTE * c.
  • Page 29 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL * NOTE * draining in order to extract the moisture sediment other contamination Since wing tanks entrapped in the system. The drains are interconnected through located at the low point of each wing tank...

  • Page 30: Defueling

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL c. Open the drain valves and allow all CAUTION fuel to drain. When tanks are empty, close the drain valves and move the Visually check that all drain fuel containers a safe distance from valves are closed after draining.

  • Page 31: Brake Bleeding

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL develop cracks. Reinstall shock struts with through a minimum of six revolutions with new hardware the sump drain plugs and the lower-most intake pipes removed to facilitate engine BRAKE BLEEDING draining.
  • Page 32 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL the equivalent. Heating the mixture to a to facilitate application. Use only dry temperature of 38ºC to 104ºC (100ºF to filtered air when spraying. See Table 2-1 (8 sheets) for detailed engine preservation procedures.
  • Page 33 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 2-1: ENGINE PRESERVATION PROCEDURES (Continued) Engine Engine Installed: 10 to 30 Over 30 OPERATION PROCEDURE Installed: Days Days Start the engine and then continue to run (on normal service fuel) at idling speed for at least 15 minutes, using the corrosion preventive mixture as lubricant.
  • Page 34 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 2-1: ENGINE PRESERVATION PROCEDURES (Continued) Engine Engine Installed: 10 to 30 Over 30 OPERATION PROCEDURE Installed: Days Days Thoroughly spray each exhaust valve with corrosion preventive mixture through the spark plug holes or the exhaust ports. Be...
  • Page 35 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 2-1: ENGINE PRESERVATION PROCEDURES (Continued) Engine Engine Installed: 10 to 30 Over 30 OPERATION PROCEDURE Installed: Days Days With the piston at the bottom of its intake stroke, spray hot, 99ºC to 140ºC (210ºF to 220º...
  • Page 36 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 2-1: ENGINE PRESERVATION PROCEDURES (Continued) Engine Engine Installed: 10 to 30 Over 30 OPERATION PROCEDURE Installed: Days Days c. Discharge the gun into a clean container until a uniform spray is produced at the nozzle.
  • Page 37 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 2-1: ENGINE PRESERVATION PROCEDURES (Continued) Engine Engine Installed: 10 to 30 Over 30 OPERATION PROCEDURE Installed: Days Days Clean the exposed surfaces of the propeller shaft with dry cleaning solvent, Stoddard Solvent or equivalent;...
  • Page 38 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 2-1: ENGINE PRESERVATION PROCEDURES (Continued) Engine Engine Installed: 10 to 30 Over 30 OPERATION PROCEDURE Installed: Days Days When a carburetor is to be out of service for a period exceeding 10 days, prepare for...
  • Page 39 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 2-1: ENGINE PRESERVATION PROCEDURES (Continued) Engine Engine Installed: 10 to 30 Over 30 OPERATION PROCEDURE Installed: Days Days When the carburetor is removed from the engine, secure two ½ pound bags of...

  • Page 40: Inspection

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL metal distortion, broken spot welds, INSPECTION corrosion, condition of paint, and any other apparent damage. In Table 2-2 (next page), items to be d. Wiring is to be checked for security,...

  • Page 41: A: Propeller

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 2-2: INSPECTION CHECK LIST A: PROPELLER On counterweighted propeller move blades to low pitch and check exposed portion of piston for corrosion, galling or nicks. Inspect the hub parts for cracks and corrosion and fasteners for security.

  • Page 42: C: Engine Oil System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL B: ENGINE EXTERNALS (Continued) Check the tubing, wiring, control linkages, and hose assemblies for evidence of fuel and oil leakage. Check the tubing, wiring, control linkages, and hose assemblies for loose nuts and broken safety wire.

  • Page 43: D: Engine Fuel System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL C: ENGINE OIL SYSTEM (Continued) Remove all sump plugs and examine cavity for metal particles. Metal particles found in a new engine installation do not necessarily mean trouble, but should be investigated anyway. If no problems are found, change oil and ground test the engine.

  • Page 44: F: Airframe Fuel System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL E: AIR INDUCTION SYSTEM (Continued) Inspect the air filter cartridges for dirt & dust accumulation. If cartridges are significantly clogged, replace the cartridges. Check the carburetor inlet box for cracks. Check...

  • Page 45: G: Ignition System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL F: AIRFRAME FUEL SYSTEM (Continued) Inspect throttle and mixture control actuating rods and mechanisms for connections, cracks, chafing and security. Check the fuel shutoff valve for leaks in both the open and closed positions.

  • Page 46: J: Hydraulic System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL H: MAIN LANDING GEAR (Continued) Inspect rubber shock biscuits for distortion, splits or evidence of compound deterioration. Inspect shock strut attachment bolts and replace if worn or distorted. Use proper close tolerance NAS bolts for replacements, not AN hardware.
  • Page 47 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL K: TAIL GEAR (Continued) Inspect all bolt holes for elongation. As a general rule, replace components with holes that are out- of-round by 0.005” or more. CAUTION Replacement of the leaf spring...

  • Page 48: L: Fuselage Skins

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL K: TAIL GEAR (Continued) Check the centering springs for corrosion, attachment security and correct operation. L: FUSELAGE SKINS Inspect all panels and cowlings for cracks, chaffing, paint and security of fasteners.

  • Page 49: P: Fuselage Frame

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL N: WINGS (Continued) Check for deposits of chemicals around and behind the wing center section and all attachment fittings. Check closely for corrosion. Keep clean. Inspect the wing skins for cracks, loose rivets, general condition of the paint, and corrosion.

  • Page 50: Q: Control Systems

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL P: FUSELAGE FRAME (Continued) Check the condition of the paint and refinish, if necessary. Check all tubes, fittings etc. of frame for paint integrity and refinish as necessary. Q: CONTROL SYSTEMS Check all turnbuckles for corrosion and for proper lock wiring.

  • Page 51: R: Empennage

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL R: EMPENNAGE Check the travel of the movable surfaces. Elevator up....... 27 degrees ±1 degree Elevator down ....17 degrees ±1 degree Rudder ......24 degrees ±1 degree Tab up........ 8 degrees ±1degree Tab down ......

  • Page 52: T: Cockpit

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL S: AILERONS AND FLAPS (Continued) Check the drain holes for obstruction. Inspect all the skins and ribs for cracks, loose rivets, general condition, and corrosion. Inspect the flap push rods, mounting brackets, torque tube, and bearing housings.

  • Page 53: Battery Maintenance

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL BATTERY MAINTENANCE AIRFRAME MAINTENANCE CORROSION CONTROL The 24-volt battery is installed in the engine compartment between the engine Cleanliness is the key to corrosion and firewall. Access is gained to the control/prevention on the Thrush.

  • Page 54: Windshield

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL b. Detach all removable panels from the c. Apply one thin spray coat of Epoxy aircraft. Wash down the rear fuselage primer with Epoxy hardener. Allow aft of the wing trailing edge.
  • Page 55 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL Table 2-3: TORQUE CHART BOLTS BOLTS FINE THREAD STEEL - TENSION STEEL - TENSION STEEL - SHEAR STEEL SERIES AN 3 thru AN 20 MS 20004 thru MS 20024...

  • Page 56: Lubrication

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL LUBRICATION For the lubrication requirements, refer to Figure 2-4: Lubrication Chart (9 sheets). Before adding grease to fittings, wipe the fittings clean. Lubricate the fittings and wipe off the excess lubricant.
  • Page 57 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL Figure 2-4: Lubrication Chart (sht. 2 of 9) 2-39 Effective: 01/01/08...
  • Page 58 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL Figure 2-4: Lubrication Chart (sht. 3 of 9) 2-40 Effective 01/01/08...
  • Page 59 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL Figure 2-4: Lubrication Chart (sht. 4 of 9) 2-41 Effective: 01/01/08...
  • Page 60 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL Figure 2-4: Lubrication Chart (sht. 5 of 9) 2-42 Effective 01/01/08...
  • Page 61 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL Figure 2-4: Lubrication Chart (sht. 6 of 9) 2-43 Effective: 01/01/08...
  • Page 62 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL Figure 2-4: Lubrication Chart (sht. 7 of 9) Figure 2-4: Lubrication Chart (sht. 8 of 9) 2-44 Effective 01/01/08...
  • Page 63 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL Figure 2-4: Lubrication Chart (sht. 9 of 9) 2-45 Effective: 01/01/08...
  • Page 64 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 2-46 Effective 01/01/08...
  • Page 65 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 3 HYDRAULICS TABLE OF CONTENTS HYDRAULIC SYSTEM ................2 GENERAL DESCRIPTION ..................... 2 MASTER CYLINDER...................... 2 FIGURE 3-1: BRAKE MASTER CYLINDER ............2 FIGURE 3-2: BRAKE MASTER CYLINDER AND RUDDER PEDAL INSTALLATION......................

  • Page 66: Hydraulic System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL pedals. As toe pressure is applied to the HYDRAULIC SYSTEM pedals, a push rod and belcrank linkage GENERAL DESCRIPTION moves an actuator rod, pushing a piston Ref. Fig. 3-1 thru 3-4 in the master brake cylinder.
  • Page 67 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL The master cylinder piston is actuated by the push rod, which is in turn actuated by Hydraulic fluid reservoirs should be kept a mechanical linkage to the rudder pedal at least half full. If brake “sponginess” is (Ref.

  • Page 68: Brake System Bleeding

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL ID clear plastic tubing, clean rags and BRAKE SYSTEM BLEEDING Ref. Fig. 3-3 extra MIL-H-5606 hydraulic fluid. 3. Put the clear plastic tubing on one of weak “spongy” brakes the bleeder valves at the bottom of...
  • Page 69 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL 6. Close the bleeder valve and place the master cylinder hydraulic plastic tube on the other bleeder reservoir. valve. 9. Dispose of the hydraulic fluid bled 7. Bleed that caliper the same as above.

  • Page 70: Parking Brakes

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL An alternative method of bleeding the PARKING BRAKES brakes is as follows: Ref. Fig. 3-2 Parking brakes actuated 1. Place a large clean container under depressing the brake pedals as normal...
  • Page 71 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 4 POWER PLANT AND PROPELLER TABLE OF CONTENTS POWERPLANT GENERAL ..................3 IGNITION SYSTEM ...................... 3 Magneto Removal ....................3 Magneto Timing and Installation................3 Timing and Synchronizing Magnetos............... 3 Figure 4-1: Engine Assembly (Sht.
  • Page 72 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Propeller Ground Test ................... 18 ENGINE CHANGE...................... 19 Engine Removal ....................19 Engine Buildup ...................... 20 Figure 4-8: Fuselage Cowling ................. 20 Engine Installation ....................21 Initial Engine Ground Run ..................21 OIL COOLER ......................

  • Page 73: Powerplant General

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL the cables from moisture, oil, grease and POWER PLANT GENERAL engine heat. Ref. Figure 4-1 MAGNETO REMOVAL The engine has nine cylinders, the Ref. Figures 4-1 & 4-2 cylinders being disposed radially on an...
  • Page 74 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL A. Remove one spark plug from each Remove the bolts that attach the cylinder, and rotate the propeller incorrectly timed magneto to its shaft until No. 1 piston is at the...
  • Page 75 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 4-1: Engine Assembly (Sht. 1 of 2) Effective: 01/01/2008...
  • Page 76 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 4-1: Engine Assembly (Sht. 2 of 2) Effective: 01/01/2008...
  • Page 77 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 4-2: Ignition System D. Turn the propeller shaft in the opposite direction. This will return direction of normal rotation until the the pivot arm to the top of the slot.

  • Page 78: Ignition Conduit Lead Replacement

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL F. Move the slide pointer up to align IGNITION CONDUIT LEAD with the 25 degree mark on the REPLACEMENT scale. Ignition leads showing evidence G. Turn the propeller shaft in the normal...

  • Page 79: Oil System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL position on the wire. Bend the passages from this annulus carry oil to strands back over the lead opening the left accessory drive gear bushing. in a radial pattern. Do not solder the Here the oil enters the hollow accessory lead.

  • Page 80: Pressure Relief Valve

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL passages drilled in the case. Oil, from the tappets, feeds through the push rods to the rockers, rocker bearings, and valve clearance adjusting screws. The surplus oil in the engine proper...

  • Page 81: Pre-Oiling (Optional)

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL C. While the pre-oiling is in progress, the cylinders through the intake pipes turn the propeller shaft in the normal and inlet valves. direction of rotation to prevent the CARBURETOR REMOVAL...

  • Page 82: Cleaning Fuel Strainer

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL The mixture control requires intervals. To remove strainer, proceed as follows: a control rod movement of approximately 1-5/16 inches. A. Cut safety wire and remove strainer The control lever has a 75 to from carburetor.

  • Page 83: Starter Removal

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL jaw. When the engine starts, the sloping A. Disconnect and cap all fuel lines. ramp teeth automatically B. Break lockwire, remove the four disengages the starter jaws. mounting nuts and washers. Remove fuel pump and gasket.

  • Page 84: Propeller

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 4-5: Alternator Assembly the brackets are moved inward. Since PROPELLER the brackets are fixed to the butt end of (12D40-6101-12 or AG-100-2 Blades) the blades, the blades are rotated to a lower angle.

  • Page 85: Propeller Installation

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL A. Insure ignition and master switches Insure that all threaded parts are are in the OFF position. thoroughly clean, and lightly coat all B. Using blade turning bar, move internal surfaces with lubricating oil.
  • Page 86 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL halves around the piston flange. Fit aligned holes. The cotter pins the packing washer into its position should be installed with the heads in the inside groove of the front cone.
  • Page 87 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 4-6: Propeller Assembly (12D40-6101-12 or AG-100-2 Blades) 4-17 Effective: 01/01/2008...

  • Page 88: Propeller Governor

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL B. Remove the four governor mounting PROPELLER GOVERNOR nuts and washers. The propeller constant speed control unit C. Lift governor gasket from (see Figure 4-7) is an engine-driven engine. governor of the flyweight type.

  • Page 89: Engine Change

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL soon as oil pressure is indicated, move WARNING the control to the high RPM position. If Residual fuel and oil draining the propeller does not respond, shut from lines fittings down the engine immediately and check...

  • Page 90: Engine Buildup

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Observe the following practices during CAUTION engine buildup. When lifting engine from A. Thoroughly clean inspect mount, use extreme care to removed parts for serviceability prior prevent damage to engine to installation.

  • Page 91: Engine Installation

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL temperature lines required. ENGINE INSTALLATION Connect tachometer. During engine installation, coat the male Connect throttle and mixture controls threads of fuel fittings with a fuel soluble at carburetor. lubricant such as engine oil.

  • Page 92: Oil Cooler

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL A new installed engine requires careful attaching air cooler to mounting observation at the initial ground run. Oil brackets. pressure is critical to engine health, so *NOTE* the oil pressure should read 10 psi The oil cooler will be full of minimum within 30 seconds.

  • Page 93: Exhaust System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL C. Propeller control 0.06 inch minimum high rpm). on forward side (in low pitch and Figure 4-9: Engine Mount Assembly EXHAUST SYSTEM A. Remove carburetor hot air muff. engine exhaust gases B.

  • Page 94: Exhaust Ring Installation

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL EXHAUST RING INSTALLATION plug life. Improper magneto timing, faulty magneto points, or fouled spark plugs To install exhaust ring, proceed as may be the cause of an engine rpm drop follows: when switching from both to single A.
  • Page 95 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 4-10: Engine Control Quadrant Figure 4-11: Exhaust Collector Ring 4-25 Effective: 01/01/2008...
  • Page 96 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart (13 sheets) TROUBLE PROBABLE CAUSE REMEDY Faulty ignition switch Replace switch Engine will not start Incorrect starting procedure Check starting instruments Fouled or iced spark plugs...
  • Page 97 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart, Page 2 of 13 TROUBLE PROBABLE CAUSE REMEDY Engine will not Blown or leaking gaskets Replace gaskets continue running after starting. Vapor lock Remove vapor vent pipe...
  • Page 98 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart, Page 3 of 13 TROUBLE PROBABLE CAUSE REMEDY Improper idling of Improper valve clearance Reset valve engine (continued) Sticking valves Reset valve Restriction in exhaust system...
  • Page 99 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart, Page 4 of 13 TROUBLE PROBABLE CAUSE REMEDY Carburetor icing Preheat or deice, depending Engine runs rough upon climatic condition. (continued) Replace carburetor if necessary.
  • Page 100 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart, Page 5 of 13 TROUBLE PROBABLE CAUSE REMEDY Inoperative Fouled spark plugs Replace spark plugs cylinder Faulty wires in ignition cable manifold Replace harness Intake valve not opening...
  • Page 101 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart, Page 6 of 13 TROUBLE PROBABLE CAUSE REMEDY Faulty ignition Check breaker points and Torching (backfiring) connection plate for cleanliness Incorrect magneto timing Time magnetos...
  • Page 102 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart, Page 7 of 13 TROUBLE PROBABLE CAUSE REMEDY Engine incapable Valves sticking or leaking; improper Adjust clearance, free valves of developing full clearance or replace cylinder...
  • Page 103 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart, Page 8 of 13 TROUBLE PROBABLE CAUSE REMEDY Faulty transmitter or gage Replace malfunctioning No oil pressure unit Inadequate oil supply Replenish oil supply Plugged oil-in line...
  • Page 104 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart, Page 9 of 13 TROUBLE PROBABLE CAUSE REMEDY High oil pressure Defective transmitter or gage Replace defective unit Cold oil Preheat oil Pressure relief valve improperly set...
  • Page 105 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart, Page 10 of 13 TROUBLE PROBABLE CAUSE REMEDY Oil loss through Hole burned in piston Replace cylinder and engine breather piston assembly. Check for (continued) further damage.
  • Page 106 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart, Page 11 of 13 TROUBLE PROBABLE CAUSE REMEDY Engine overheats Faulty gage transmitter or Replace faulty unit thermocouple Loose spark plugs Tighten spark plugs Improperly timed magneto...
  • Page 107 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart, Page 12 of 13 TROUBLE PROBABLE CAUSE REMEDY Stretched valve stem Replace cylinder Improper valve clearance Defective bushing in rocker arm Replace rocker arm Defective tappet roller bushing...
  • Page 108 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 4-1: Engine Trouble Shooting Chart, Page 13 of 13 TROUBLE PROBABLE CAUSE REMEDY Burned breaker Point clearance too small Reset point clearance. points Replace breaker points if necessary. Faulty condenser...
  • Page 109 THRUSH AIRCRAFT, INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 5 FUEL SYSTEM TABLE OF CONTENTS GENERAL DESCRIPTION ..................2 Figure 5-1: R1340 Fuel System................. 3 MAINTENANCE PRECAUTIONS ................3 FUEL SUB-SYSTEMS AND COMPONENTS ............4 Fuel Tank Vent System ..................4 FUEL QUANTITY INDICATOR................

  • Page 110: General Description

    THRUSH AIRCRAFT INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL transmitters, one indicator gauge, and a FUEL SYSTEM L/H or R/H tank fuel quantity selector switch. A transmitter, installed in each GENERAL DESCRIPTION wing tank, transmits an electrical signal Ref. Figure 5-1, 5-2 & 5-3 to the single fuel quantity indicator.

  • Page 111: Maintenance Precautions

    THRUSH AIRCRAFT, INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL FIGURE 5-1: R1340 FUEL SYSTEM MAINTENANCE PRECAUTIONS WARNING! The establishment of safe maintenance procedures is necessary to ensure safety Aviation gasoline of personnel and prevent damage to the extremely volatile...

  • Page 112: Fuel Sub-Systems And Components

    THRUSH AIRCRAFT INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL G. Use explosion-proof electric lights or The fuel vent manifold is installed flashlights. forward of the hopper, above and H. Wear cotton clothing avoid forward of the wing spar. This position possible static electricity discharge.

  • Page 113: Removal

    THRUSH AIRCRAFT, INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL Removal D. Remove attaching screws, washers and bushings, and carefully remove Removal of the fuel quantity transmitter transmitter assembly. accomplished through inboard cover plate on the upper surface Installation of the wing.
  • Page 114 THRUSH AIRCRAFT INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL recalibration, carefully check out the fuel connector. quantity indicating electrical system I. Turn APU on and adjust to 27.5 volts. before deciding that recalibration is J. Turn battery switch ON.

  • Page 115: Auxiliary Fuel Pump

    THRUSH AIRCRAFT, INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL FIGURE 5-3: R1340 FUEL QUANTITY GAUGE AUXILIARY FUEL PUMP D. Remove attaching hardware and remove pump assembly from The electrically powered auxiliary fuel support bracket. pump is installed under the left side of...

  • Page 116: Fuel Strainer Service Instructions

    THRUSH AIRCRAFT INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL Fuel Strainer Service Instructions (formerly MIL-S-8802) may be used as a thread seal or to seal minor connection Service the fuel strainer per the following leaks throughout the fuel system. Apply instructions.
  • Page 117 THRUSH AIRCRAFT, INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL If you haven’t worked with this material streaks in the properly blended material. before, understand that it is a two-part Blend the components slowly, as violent mixture that must be mixed properly,...

  • Page 118: Leak Sealing

    THRUSH AIRCRAFT INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL Figure 5-4: Proper Application of Fuel Proof Sealant When working with fuel tank sealer, not squeeze out, not enough sealant was cleanliness is mandatory. Something as used. Ideally the faying seal should end simple as a fingerprint or a piece of lint up .015”...

  • Page 119: Fuel Tank Pressure Check

    THRUSH AIRCRAFT, INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL A. Remove the cover plates on upper E. Coat the entire replaced skin and all surface of wing to repair the tank supporting structure plus a 3” band leak. Determine the exact location of around it with type A sealant.

  • Page 120: Pressure Check Set-Up

    THRUSH AIRCRAFT INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL PRESSURE CHECK SET-UP When pressure in the tank exceeds 38”, start checking the tank for air leaks. Reference Figure 5-5, Manometer Board. Some can be identified by hissing Enough colored water should be in the 1”...

  • Page 121: Fuel System Troubleshooting

    THRUSH AIRCRAFT, INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL Figure 5-5: Manometer Board for Leak Checking FUEL SYSTEM TROUBLESHOOTING The trouble-shooting table in this next section (Table 5-2) discusses symptoms which can be diagnosed and interprets the results in terms of probable causes and the appropriate corrective action to be taken.
  • Page 122 THRUSH AIRCRAFT INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL Table 5-2: Fuel System Trouble Shooting Chart PROBLEM PROBABLE CAUSE REMEDY No fuel quantity Check fuel quantity. Service with proper Fuel tanks empty. indication. grade and amount of fuel. Fuel quantity indicator Check visually.
  • Page 123 THRUSH AIRCRAFT, INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL PROBLEM PROBABLE CAUSE REMEDY No fuel flow to Starting at fuel pump inlet, disconnect engine. Fuel line plugged. fuel lines successively until plugged line (Continued) is located. Clean out or replace fuel line.

  • Page 124: Activating Hopper (Ferry) Fuel System

    THRUSH AIRCRAFT INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL OPERATING INSTRUCTIONS FOR *NOTE* THE P/N 60167 FERRY FUEL SYSTEM Any time you have to replace CAUTION either the fuel flow indicator or the transducer, you must be Operation instructions must...
  • Page 125 THRUSH AIRCRAFT, INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL FIGURE 5-6: HOPPER FERRY FUEL SYSTEM 5-17 Effective: 01/01/08...
  • Page 126 THRUSH AIRCRAFT INC – MODEL S2R R1340 AIRCRAFT MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 5-18 Effective: 01/01/08...
  • Page 127 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 6 LANDING GEAR, WHEELS & BRAKES TABLE OF CONTENTS GENERAL DESCRIPTION ..........................2 MAIN LANDING GEAR ........................... 2 Main Landing Gear Assembly ........................2 Removal .............................. 2 Cleaning, Inspection and Repair of main gear..................2 Cleaning, Inspection and Repair of shock struts ................

  • Page 128: Landing Gear, Wheels & Brakes

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL housing. LANDING GEAR, WHEELS AND BRAKES Service of the tailwheel consists of lubrication of the spindle and axel, plus periodic repacking of the wheel bearings. GENERAL DESCRIPTION Attachment integrity should be inspected Ref.

  • Page 129: Cleaning, Inspection And Repair Of Shock Struts

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL CLEANING, INSPECTION AND REPAIR according to wheel size. The MLG OF SHOCK STRUTS wheels operate tapered roller Ref. Figure 6-1 bearings that rotate in hardened steel races pressed into each wheel half. A A.
  • Page 130 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL FIGURE 6-1: MAIN LANDING GEAR ASSEMBLY Effective: 01/01/08...

  • Page 131: Inspection Of Main Wheel Assembly

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL wheel halves and should not be INSPECTION OF MAIN WHEEL removed unless replacement ASSEMBLY necessary above Ref. figure 6-2 conditions. replacement Clean all parts in cleaning solvent and necessary, proceed as follows: dry thoroughly.

  • Page 132: Main Wheel Reassembly And Installation

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL FIGURE 6-2: MAIN WHEEL AND BRAKE ASSEMBLY Wheel Assembly. MAIN WHEEL REASSEMBLY AND B. Inflate tube sufficiently to round it INSTALLATION out. Tires tubes balanced C. Dust tube with a small amount of individual units and marked at the time of tube talc.

  • Page 133: Brake Removal And Disassembly

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL into the inner wheel half and align of aluminum lacquer. bolt holes. *NOTE* G. Install bolts through the inner wheel half and washers and nuts on the Do not paint working surfaces outer wheel half.

  • Page 134: Brake Servicing

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL replaced. Q. Check the wheel brake disc. Inspect anchor bolts for cracks, procedures under Inspection of Main corrosion, permanent Wheel Assembly and Figure 6-3. excessive wear. Replace bolts that BRAKE SERVICING...
  • Page 135 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 6-3: Brake Disc and Lining Inspection Criteria 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.

  • Page 136: Reassembly Of Organic Linings To Caliper

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL REASSEMBLY OF ORGANIC LININGS BRAKE LINING CONDITIONING TO CALIPER PROCEDURES Ref. figure 6-4 When new linings have been installed, it is important to condition them properly to A. Carefully wipe dirt, grease, etc. from...

  • Page 137: Brake Reassembly And Installation

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL material at the lining friction surface. assembly (if removed). Normal brake usage should generate B. Lubricate large O-ring with MIL-H- enough heat to maintain the glaze 5606 hydraulic fluid and install in throughout the life of the lining.

  • Page 138: Removal Of Brake Master Cylinders

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Repeat this procedure until system is REMOVAL OF BRAKE MASTER free of air. CYLINDERS E. Tighten bleeder screw, remove Ref. figure 6-5 rubber hose and replace dust cap. A. Disconnect and cap hydraulic lines.

  • Page 139: Cleaning, Inspection And Repair Of Tail Landing Gear

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL trunnion assembly. Remove two-(2) cracks and corrosion. each NAS6606-54 bolts that holds G. Inspect lock pin and upper and lower the lower spring support block to lock plates for wear, corrosion, upper support block.
  • Page 140 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Anti-seize lubricant or equivalent before with the exception of the top spindle installation. Lubricate bearings, castellated wheel/tire axle bushings, and Zerk (grease) fittings with castellated nut, which should be torqued MIL-G-81322 (Aeroshell 22) grease.

  • Page 141: Tail Landing Gear Rigging

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL cotter pin hole, and insert cotter pin. C. Remove plastic plug Bend ends of cotter pin around axle (dustcover). nut. Note: Wheel/tire must rotate D. Remove cotter pin, castellated nut, freely without perceptible play.

  • Page 142: Tail Gear Wheel And Tire Removal And Disassembly

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL F. Repair of tail gear sub-assembly is corrosion, distortion, defects and limited to reconditioning of parts such excessive wear. as replacing bearings and bushings, B. Inspect felt grease seals. Replace if...

  • Page 143: Tail Landing Gear Wheel & Tire Reassembly And Installation

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL with a fiber drift. Replace any wheel casting that is H. Bearing cup installation: Place wheel distorted, corroded, or has visible half in oven not exceeding 212°F for cracks. 15 minutes. Chill new bearing cup in TAIL LANDING GEAR WHEEL &...
  • Page 144 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL NOTE * F. Repack bearing cones with MIL-G- 81322 (Aeroshell 22) grease or Tires tubes equivalent. balanced as individual units G. On each side of wheel; apply a thin marked time coating of grease on bearing cups, manufacture.

  • Page 145: Wheel And Brake Troubleshooting

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL WHEEL AND BRAKE TROUBLESHOOTING Table 6-1 is provided as a convenient means of investigating problems encountered with the landing gear or brakes. TABLE 6-1: WHEEL AND BRAKE TROUBLESHOOTING CHART TROUBLE PROBABLE CAUSE...
  • Page 146 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 6-1: Wheel and Brake Trouble Shooting Chart (page 2 of 2) TROUBLE PROBABLE CAUSE REMEDY Parking brake valve Check parking brake valve. Release holding. parking brake valve. Worn, scored or warped Visually check disc.
  • Page 147 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 7 FLIGHT CONTROLS TABLE OF CONTENTS GENERAL DESCRIPTION ................3 GENERAL MAINTENANCE OF FLIGHT CONTROLS........... 3 AILERON CONTROL SYSTEM ................4 CONTROL STICK ....................4 Control Stick, Fork and Torque Tube Removal ..........4 Control Stick, Fork and Torque Tube Installation ..........
  • Page 148 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL EMPENNAGE .......................15 EMPENNAGE REMOVAL................15 EMPENNAGE INSTALLATION................ 15 Horizontal Stabilizer ..................15 Figure 7-9: Empennage Exploded View............. 16 Figure 7-10: Stabilizer Attachment to Fuselage ......... 17 Vertical Stabilizer ..................... 17 WINGS ........................18 WING REMOVAL.....................

  • Page 149: General Description

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL the cable pulleys and route cables to FLIGHT CONTROLS avoid contact with the aircraft structure and accessories. Inspect work areas for GENERAL DESCRIPTION mislaid tools or parts with could foul the Ref.

  • Page 150: Aileron Control System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL accordance with the limits show in table D. Remove the bolts securing the 7-3 after repaint or repair. torque tube to the pillow blocks. (See Figure 7-1) E. Remove torque-tube from WARNING! aircraft.
  • Page 151 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL to the rudder controls by spring-loaded becomes inoperative, the rudder system cables that enable the ailerons to be will move the ailerons. activated in conjunction with the rudder (Ref. Figure 7-2). This provides a safety...

  • Page 152: Aileron Rigging

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 7-2: Aileron-Rudder Interconnection Aileron Rigging E. Install the upper, lateral fuselage push rod from right fuselage bell A. Assure the ailerons are attached and crank to control stick torque-tube system...

  • Page 153: Aileron Servo Tabs

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 7-3: Aileron Servo Tab Linkage A. Remove the bolt attaching the Aileron Servo Tabs pushrod to the aileron horn at the Ref. Figure 7-3 center hinge. ground adjustable servo B. Remove the bolt attaching the servo- attached to each aileron.

  • Page 154: Flap Jackscrew Removal

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 7-4: Aileron Assembly C. Disconnect each flap from the push WING FLAPS rod and allow flap to swing and hang Ref. Figure 7-5 under wing. Wing flaps installed on the S2-R1340 are D.

  • Page 155: Flap Removal

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL FLAP REMOVAL FLAP INSTALLATION A. Disconnect flap push rod at flap. Do Installation of the flap is the reverse of not change position of rod end on the removal procedure. In the event push rod.

  • Page 156: Rudder Removal

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL D. Adjust the flap push-pull rods to the This feature provides a convenience proper length and connect them to during cross-country flight and is an the torque tube arms. added safety feature in case the aileron E.

  • Page 157: Rudder Control Cables Installation

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL RUDDER CONTROL CABLES C. Assure all cables, cable guards and INSTALLATION turnbuckles are installed properly Ref. Figure 7-6 and safety wired. Replace all skins removed for access. A. Install the cables in reverse order of the removal procedures.

  • Page 158: Rudder Rigging

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL RUDDER RIGGING ELEVATORS Ref. Figure 7-6 Ref. Figure 7-7 & 7-8 A. Position the rudder pedals at mid- Each elevator is attached to the rear spar adjustment position of the horizontal stabilizer at two hinge adjustment channel.

  • Page 159: Elevator Rigging

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL D. Connect aft push tube to elevator *NOTE * horns. Assure the inspection hole in E. Connect trim-tab push rods the rod end is covered by the elevator trim tabs. push tube threads. It may be...

  • Page 160: Elevator Trim Tabs

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 7-8: Elevator Trim Control System and is guided at intervals by four ELEVATOR TRIM TABS fairleads. The aft end of this push rod Controllable trim tabs, located on the attaches to a bell crank. This bell crank...

  • Page 161: Elevator Trim Tab Rigging

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL ELEVATOR TRIM TAB RIGGING C. Remove the vertical stabilizer by removing the single forward bolt and A. Place the trim tab control lever in the 8 bolts attaching it to the tail post.
  • Page 162 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL for weight and balance (under the B. Install left and right struts using AN5- cockpit). Use up to 3 ea. AN960-616 6A bolts on lower attach (strut to washers under either the fwd or aft...

  • Page 163: Vertical Stabilizer

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL correct torque (100-140 inch- outboard hinges. Connect elevator pounds) and proper angle for control arm and check travel 27° ±1° alignment. up and 17°±1° down. D. Install left and right elevator using E.

  • Page 164: Wings

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL *NOTE * *NOTE * TAPERED shim(s) It is highly recommended that 90220-001 (.125” to .080”) mobile wing stands be used upper attach shim or P/N wing removal 90221-001 (.100” to .075”) installation.
  • Page 165 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL *NOTE * WARNING! Adjusting the angle of the Under circumstances wings with the wing jacks should the bolts be turned may assist in wing bolt while the threads are in the removal.

  • Page 166: Wing Installation

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL WING INSTALLATION A. If the landing gear is not installed, (See Figures 7-11 through 7-14) support the fuselage at a convenient height using jacks at the landing gear To install the wings, proceed as follows...
  • Page 167 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL D. Elevate the left wing and place it in F. Rest the inboard end of the main position. Place a ½” aluminum or spar on the lower longeron with a ½...
  • Page 168 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL J. Elevate the right wing and place in K. Install the right wing inboard attach position with the 1/2 inch temporary angle on the main spar web with ¼ spacer as was done with the left...
  • Page 169 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL L. Lubricate the 12 NAS wing splice large bolts through upper splice attach bolts and the holes in the fitting and lower spar cap until flush splice fittings, (top bottom with lower surface of cap. Install and halves) with anti-seize.

  • Page 170: Wing Installation When The Wing Attach Angles Are Replaced

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Y. Complete the wing installation by Z. Reconnect the batteries. making the necessary connections in the electrical, fuel, pitot, and flight control systems. Figure 7-14: Attach Angle Mounting to Fuselage Frame...
  • Page 171 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL B. Install the spar web splice plate and edge of the angle. If it is not, file the the upper and lower main spar cap bottom edge of the other leg of the...

  • Page 172: Aileron System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL P. Reattach the wing attach angles to R. Release the wing supports and the wing spar and fuselage and check the wing dihedral for 3 ½ torque all nuts and bolts to the degrees.

  • Page 173: Rudder System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 7-1: Control System Trouble Shooting Chart (Continued) FLAP SYSTEM (Continued) PROBLEM CAUSE REMEDY Flaps fail to extend Incorrect rigging of push Rig in accordance with rigging (down) completely. rods. procedures.

  • Page 174: Elevator System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 7-1: Control System Trouble Shooting Chart (Continued) RUDDER SYSTEM (Continued) PROBLEM CAUSE REMEDY Rudder pedals not Rudder cables Rig in accordance with rigging neutral when rudder incorrectly rigged. procedures. is streamlined.

  • Page 175: Flight Control Static Balance Limits

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL 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 176 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL Table 7-3: Wing Splice Fittings Torque Chart BOLT SIZE NUT TORQUE 3/16 – 32 25 – 30 in. – lbs. 1/4 – 28 80 – 100 in. – lbs.
  • Page 177 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 8 INSTRUMENTS TABLE OF CONTENTS GENERAL DESCRIPTION ..................2 INSTRUMENT SYSTEM MAINTENANCE..............2 FLIGHT INSTRUMENTS ................... 2 PITOT-STATIC SYSTEM ..................2 Maintenance....................3 Inspection and Leakage Test ................3 Figure 8-1: Pitot-Static System............... 4 ALTIMETER ......................

  • Page 178: General Description

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL pressure, pitot pressure, and static line INSTRUMENTS connections must be tight at all times and lines must be correctly routed and GENERAL DESCRIPTION secured. Electrical wiring must be free from chafing, properly connected and The standard instruments are located on secured.

  • Page 179: Maintenance

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL connected through a tee to a single tube A. Ensure the static system is free from that runs forward along the left side of entrapped moisture and restrictions. the fuselage to the cockpit.
  • Page 180 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 8-1: Pitot-Static System Effective: 01/01/08...

  • Page 181: Altimeter

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL 2. Repeat the leakage test to check repeat leakage test per steps C. whether static pressure through F. system or the altimeter is the ALTIMETER cause leakage. The altimeter is equipped with three...

  • Page 182: Magnetic Compass Compensation

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 8-2: Center Instrument Panel adjustment screw so that one-half of Magnetic Compass Compensation the error has been removed. Locate the aircraft in area suitable for E. Position aircraft in a magnetically...

  • Page 183: Power Plant Instruments

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL proportion to internal pressure. This POWER PLANT INSTRUMENTS unbending motion drives the pressure Ref. Figures 8-2 & 8-3 and Table 8-3 indicator needle. This group consists The oil pressure system thus needs no...

  • Page 184: Fuel Pressure System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL FUEL PRESSURE SYSTEM. caution of increasing engine RPM prior to increasing manifold pressure is still a The fuel pressure gauge, like the oil good practice, as high power applied to pressure gauge, operates off of the...

  • Page 185: Voltmeter

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 8-3: Left Instrument Panel and maximum pointer deflection. As the MISCELLANEOUS fuel level of the tank is lowered, the float INSTRUMENTS repositions contactor along Ref. Figures 8-3 & 8-4 resistance coil inside the transducer,...

  • Page 186: Ammeter

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL arc (minimum) 16.0 to 22.5 volts, and an aircraft alternator output. Continuous upper red arc (maximum) 30.5 to 36.0 operation on the discharge side will be volts respectively. Continuous operation detrimental to battery life and may over 30.5 volts is detrimental to the life...

  • Page 187: Calibration Of Hopper Quantity Gauge

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL *NOTE* *NOTE* A scale is provided to show The small % scale on analog the relationship of the remote control unit Type FA-A will gauge, % scale on analog move in direct relationship control unit type FA-A, and with the remote gauge.

  • Page 188: Airspeed Indicator

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 8-1: INSTRUMENT TROUBLESHOOTING CHART AIRSPEED INDICATOR PROBLEM PROBABLE CAUSE REMEDY Pitot pressure connection Test line and connection for leaks. not properly connected to Repair or replace damaged line, tighten pressure line from pitot Hand fails to connections.

  • Page 189: Magnetic Compass

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL INSTRUMENT TROUBLE SHOOTING CHART, Table 8-1, Page 2 ALTIMETER (Continued) PROBLEM PROBABLE CAUSE REMEDY Check lines for obstructions or leaks. Check static source. Blow out lines, Static pressure irregular.

  • Page 190: Engine Fuel Pressure Gauge

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL INSTRUMENT TROUBLE SHOOTING CHART, Table 8-1, Page 3 ENGINE OIL PRESSURE GAUGE (Continued) PROBLEM PROBABLE CAUSE REMEDY Pressure line clogged Check line for obstructions. Clean line. Check line for leaks and damage.

  • Page 191: Fuel Quantity Indicator

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL INSTRUMENT TROUBLE SHOOTING CHART, Table 8-1, Page 4 FUEL QUANTITY INDICATOR PROBLEM PROBABLE CAUSE REMEDY Check fuel quantity. Service with proper Fuel tanks empty grade and amount of fuel.
  • Page 192 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL INSTRUMENT TROUBLE SHOOTING CHART, Table 8-1, Page 5 HOPPER QUANTITY SYSTEM (OPTIONAL EQUIPMENT) PROBLEM PROBABLE CAUSE REMEDY Disconnect wires and check resistance. Bad sensing element Refer to Table 8-2. No indication on indicator Resistance check bad.
  • Page 193 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 THRUSH 600 AIRCRAFT MAINTENANCE MANUAL Table 8-3: R1340 Engine Instrument Markings UNIT RANGE DEPICTION MEANING Red Radial MINIMUM Oil Temperature 40 to 93 Green Arc NORMAL (°C) Red Radial MAXIMUM Red Radial MINIMUM Oil Pressure (PSI)
  • Page 194 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK 8-18 Effective: 01/01/08...
  • Page 195 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 9 DISPERSAL SYSTEMS TABLE OF CONTENTS DISPERSAL SYSTEMS.....................2 GENERAL DESCRIPTION....................2 HOPPER ........................... 2 HOPPER CARE ...................... 2 Figure 9-1: 400 Gallon Hopper................3 HOPPER REPAIR ....................3 Figure 9-2: Hopper Repair................. 4 HOPPER GATE BOX REMOVAL................

  • Page 196: Dispersal Systems

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL pressures for various spray applications. DISPERSAL SYSTEMS Spray pressure is indicated by a gauge mounted on the left boom and is GENERAL DESCRIPTION controlled by a vernier adjustment on the liquid spray-operating handle. The spray A reinforced fiberglass hopper is the pump is a wind-driven fan type.

  • Page 197: Hopper Repair

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 9-1: 400 Gallon Hopper prepared surface six inches beyond HOPPER REPAIR the damaged area. Ref. Figure 9-2 C. If damage consists of cracks or holes Hopper repairs should be accomplished...

  • Page 198: Hopper Gate Box Removal

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL accelerate curing. A maximum of fiberglass cloth and mat. Each layer should overlap the preceding layer 150°F four hours approximately one inch. After each recommended followed by ten or layer is in place, use a squeegee more hours at 70°F.

  • Page 199: Spray Dispersal System

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL * NOTE * Allow 24 hours for sealer to cure before putting airplane back into service. Excessive uncured adhesive Reinstall tubes, controls and cables and can be cleaned up with ketone pump.

  • Page 200: Agitator And Spreader

    THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL B. Inspect hopper lid for condition of J. Inspect the pump, fan and brake seal and security of latches. assemblies for security and proper C. Inspect the hopper for indications of operation.
  • Page 201 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 9-5: Agitator and Spreader Effective: 01/01/08...
  • Page 202 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL THIS PAGE INTENTIONALLY LEFT BLANK Effective: 01/01/08...
  • Page 203 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL SECTION 10 ELECTRICAL SYSTEM TABLE OF CONTENTS GENERAL DESCRIPTION ....................2 POWER DISTRIBUTION....................2 BATTERY AND EXTERNAL POWER ..............2 BATTERY SERVICING ..................2 SERVICING BATTERY INSTALLED IN AIRCRAFT .......... 3 BATTERY OPERATION..................3 BATTERY REMOVAL ..................

  • Page 204: General Description

    THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL BATTERY AND EXTERNAL GENERAL DESCRIPTION POWER The aircraft 24-volt DC electrical system One 24-volt storage battery provides is designed to provide the utmost in power to the circuit breaker through reliability.

  • Page 205: Servicing Battery Installed In Aircraft

    THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL G. Clean and neutralize any spilled removable cowling skins (see figure 4-8 electrolyte on battery. &10-1 D). Check the battery electrolyte level frequently, especially during hot H. Charge battery until all cells are weather.

  • Page 206: Alternator System

    THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL ALTERNATOR SYSTEM VOLTAGE REGULATOR REMOVAL Gain access to the voltage regulator by The alternator system consists of an removing R.H. aft cowl skin. If removal alternator, voltage regulator and circuit is necessary, proceed as follows: breaker (See electrical diagrams).
  • Page 207 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL FIGURE 10 – 1: ELECTRICAL EQUIPMENT LOCATOR (A & B) 10 - 5 Effective: 01/01/08...
  • Page 208 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL FIGURE 10 – 1: ELECTRICAL EQUIPMENT LOCATOR (C & D) 10 - 6 Effective: 01/01/08...
  • Page 209 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL FIGURE 10 – 1: ELECTRICAL EQUIPMENT LOCATOR (E & F) 10 - 7 Effective: 01/01/08...

  • Page 210: Battery System

    THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 10-1: ELECTRICAL TROUBLESHOOTING CHART BATTERY SYSTEM TROUBLE PROBABLE CAUSE REMARKS Battery fails to Battery defective Replace battery hold charge Defective Alternator Check Battery will not come up to full Defective Voltage Reg.

  • Page 211: Starter

    THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 10-1: ELECTRICAL TROUBLESHOOTING CHART (Continued) ALTERNATOR TROUBLE PROBABLE CAUSE REMARKS Zero or low Check connections throughout Loose connection voltage indicated system Defective voltage Adjust or replace regulator regulator circuit Alternator circuit breaker...
  • Page 212 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Table 10-1: ELECTRICAL TROUBLESHOOTING CHART (Continued) STARTER (continued) TROUBLE PROBABLE CAUSE REMARKS Starter produces Check battery. Service and recharge Low battery low RPM if necessary Check resistance of each connection. Maximum resistance at any High resistance starter connection is 0.001 ohm.
  • Page 213 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 10-2: WIRING DIAGRAMS Figure 10-2: Windshield Wiper & Washer 10 - 11 Effective: 01/01/08...
  • Page 214 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 10-2: Flap Actuation and Control 10 - 12 Effective: 01/01/08...
  • Page 215 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 10-2: Fuel Quantity Indication 10 - 13 Effective: 01/01/08...
  • Page 216 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 10-2: Stall Warning System 10 - 14 Effective: 01/01/08...
  • Page 217 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 10-2: Tachometer with Hour Meter 10 - 15 Effective: 01/01/08...
  • Page 218 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 10-2: Oil Temperature Indication 10 - 16 Effective: 01/01/08...
  • Page 219 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 10-2: Auxiliary Fuel Pump and Primer 10 - 17 Effective: 01/01/08...
  • Page 220 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 10-2: Starting System 10 - 18 Effective: 01/01/08...
  • Page 221 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 10-2: Engine Ignition 10 - 19 Effective: 01/01/08...
  • Page 222 THRUSH AICRAFT, INC - MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Figure 10-2: Power Distribution 10 - 20 Effective: 01/01/08...
  • Page 223 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL Section 11 AIRWORTHINESS LIMITATIONS TABLE OF CONTENTS AIRWORTHINESS LIMITATIONS ................11-2 MANDATORY INSPECTIONS..................11-2 Lower Spar Cap Periodic Inspection ..............11-2 Lower Splice Block Removal ................11-2 The Inspection ....................11-4 Reassembly Instructions ..................11-4 11 - 1...
  • Page 224 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL AIRWORTHINESS LIMITATIONS The Airworthiness Limitations section is FAA approved and specifies maintenance required under §§ 43.16 and 91.403 of the Federal Aviation Regulations unless an alternative program has been FAA approved.
  • Page 225 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL o Support the wings at the jack points located approximately 5 feet from the wing tips and under at least two additional ribs inboard to prevent wing movement when the attach bolts are removed.
  • Page 226 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL o Discard all of the old nuts, bolts and washers. o Clean the lower spar cap inboard ends and the splice block halves, removing any corrosion. o Visually inspect the interior surfaces of the bolt holes of the upper and lower splice block halves.
  • Page 227 THRUSH AIRCRAFT, INC – MODEL S2R-R1340 AIRCRAFT MAINTENANCE MANUAL If eddy current method of inspection was used, follow only the applicable portions of these instructions. o Refinish areas where paint was removed, and other areas as necessary, with epoxy primer and a good aircraft grade top coat.

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