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RotorWay RH600 Series Manual

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RH600 SERIES ENGINE MANUAL
OPERATION AND MAINTANCE OF THE
RH600N (NORMALLY ASPIRATED)
AND
RH600T (TURBOCHARGED)
HELICOPTER ENGINE
Rev B Aug-23-2017

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  • Page 1 RH600 SERIES ENGINE MANUAL OPERATION AND MAINTANCE OF THE RH600N (NORMALLY ASPIRATED) RH600T (TURBOCHARGED) HELICOPTER ENGINE Rev B Aug-23-2017...
  • Page 2 Introduction RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 2 WARNING The construction and operation of “Home-Built Aircraft” of this type is demanding and could inflict serious injury and possible death. No such operation, construction or undertaking should be initiated unless thorough and complete knowledge, preparation and instruction are available and utilized.
  • Page 3 Page 3 INTRODUCTION The RH600 powerplant from RotorWay Helicopter Manufacturing Co. has been completely assembled and dynamometer tested by factory technicians. Precise parts tolerances, assembly techniques and performance parameters are required of every engine leaving the factory. The oil pressure and ignition timing was adjusted to specification and fuel flow verified to be in the proper range at various power levels.

  • Page 4: Table Of Contents

    Introduction RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 4 CONTENTS SECTION 1: GENERAL SERVICE INFORMATION A. RH600 Engine Specifications..........................1 B. Torque Requirements ............................1 C. Oil Requirements and Specifications ........................2 D. Grease Requirements and Specifications for the Main Drive Pulley ..............2 E.
  • Page 5 RotorWay Helicopter Manufacturing Co. Introduction RH600 Engine Manual Rev B Aug-23-2017 Page 5 C. Cooling System..............................14 1. Coolant Requirements ..........................14 2. Preparation ..............................14 3. Filling the System, Removing Air and Priming the Water Pump..............15 D. Oil System ................................. 15 1.
  • Page 6 Introduction RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 6 SECTION 4: INSPECTION AND MAINTENANCE SCHEDULE A. Introduction................................1 B. 25 Hour Service ..............................1 C. 50 Hour Service ..............................2 D. 100 Hour Service ..............................2 E.

  • Page 7: Section 1: General Service Information

    RotorWay Helicopter Manufacturing Co. Section 1 RH600 Engine Manual Rev B Aug-23-2017 Page 1 SECTION 1: General Service Information A. RH600 Engine Specifications Rated Horsepower @ 4250 RPM ......................... 150 Torque @ 4250 RPM ............................ 185 ft.lb. Max Torque @ 3950 RPM ................Standard 191 ft.lb.; Turbo 214 ft. lb.

  • Page 8: Oil Requirements And Specifications

    Section 1 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 2 C. Oil Requirements and Specifications AMBIENT AIR TEMPERATURE GRADE OF OIL (MULTI- VISCOSITY) Above 40° F .............................. 20 - 50 SF 0° F to 60° F............................... 10 - 40 SF Below 0°...

  • Page 9: Fuel Requirements And Fuel Consumption

    RotorWay Helicopter Manufacturing Co. Section 1 RH600 Engine Manual Rev B Aug-23-2017 Page 3 E. Fuel Requirements and Fuel Consumption Minimum Octane Rating ............................91 Fuel Pressure, PSI (varies depending upon manifold pressure) ..............40 – 60 Fuel Consumption at Full Power (approximately) ..................68 lbs./hr.

  • Page 10: Component Specifications And Wear Limits

    Section 1 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 4 H. Component Specifications and Wear Limits CYLINDERS Bore Size STD ..................... 4.0005" ± .0005" MAX ........................4.0035" Max. Taper ............................... 0.0010" Max. Egg ..............................0.0060" Bore to Bore Distance ......................... 4.410" ± 0.002"...

  • Page 11: Cylinder Head Torque Specifications

    RotorWay Helicopter Manufacturing Co. Section 1 RH600 Engine Manual Rev B Aug-23-2017 Page 5 Cylinder Head Torque Specifications Installation Torque Procedures: Pre-check thread quality and installed bolt depths by applying a film of Anti-Seize to the bolts and installing them in the corresponding waterjacket holes. Install the cylinder heads and lightly snug all bolts.
  • Page 12 Section 1 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 6 This page intentionally left blank.

  • Page 13: Section 2: Individual System Procedures

    The introduction of the RotorWay FADEC (Fully Automated Digital Electronic Control) System is the result of over four years of development and testing. It is a totally unique and customized system designed especially for use in RotorWay helicopters.

  • Page 14: Fuel Requirements

    Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 2 In the unlikely event that the MAP sensor fails or if a green FADEC primary light turns off and a red light turns on there is a Main ECU loss or malfunction, FADEC will automatically transfer control of the engine to the secondary system.
  • Page 15 RotorWay Helicopter Manufacturing Co. Section 2 RH600 Engine Manual Rev B Aug-23-2017 Page 3 3. Do not allow a hose to rub against anything, even if the surface on which it rubs is flat. The stainless steel braid is a very efficient low speed file and will abrade through anything that it moves against. In order to prevent chafing and to keep your hoses where you want them, support the hoses with wire ties or cushion loop clamps.
  • Page 16 Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 4 Test the ignition switches. Begin by disconnecting plugs numbered 28 and 29 on the FADEC wiring harness. These plugs attach to the 4 pin receptacles of the ignition modules. Turn the switches on and off, one at a time, and verify voltage to pin D.

  • Page 17: Component Service

    RotorWay Helicopter Manufacturing Co. Section 2 RH600 Engine Manual Rev B Aug-23-2017 Page 5 4. After the initial leak testing is complete, turn off all switches and turn off the fuel valve. CONTINUE TO REGULARLY INSPECT THE FUEL SYSTEM FOR LEAKAGE. This is especially important during the first few hours of operation and during each pre-flight inspection! Carefully connect the ignition modules.

  • Page 18: Barometric And Manifold Pressure Sensors

    Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 6 c. Barometric and Manifold Pressure Sensors These sensors require no maintenance and are interchangeable. They both have a range of 2 BARS. The use of different pressure sensors will cause incorrect calculations by the ECU. The resistance should be “open line”...

  • Page 19: Throttle Shaft Assembly

    RotorWay Helicopter Manufacturing Co. Section 2 RH600 Engine Manual Rev B Aug-23-2017 Page 7 REPLACEMENT: While it is not essential that the plenum assembly be removed from the engine compartment, removal will simplify the sensor adjustment process and make safety wiring of the sensor retention bolts easier.

  • Page 20: Air Filter

    Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 8 in the fully closed position. The shaft must then rotate with no binding or drag. All other components are then replaced. Be careful to accurately adjust the “full open” and “idle” positions of the throttle. Carefully follow the procedure for throttle position sensor replacement.

  • Page 21: Engine Control Unit

    Secondary Engine Control Unit Like the main ECU, this component is NOT serviceable by anyone other than RotorWay. DO NOT attempt to disassemble or perform any resistance or voltage checks on this component. Call the Factory if you find or suspect that there is a problem.

  • Page 22: Throttle Position (Tp) Sensor

    Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 10 o. Throttle Position (TP) Sensor This sensor is a potentiometer that provides a voltage signal that changes relative to the throttle blade. Signal voltage should vary from about 0.7 volt at idle to about 4.8 volts at wide open throttle (WOT).

  • Page 23: Suggested Test Sequence

    Disassemble the connector and carefully examine the pins in question. If the main FADEC wiring harness becomes damaged you should call RotorWay Customer Service to discuss the repair. We do not recommend that you attempt pin replacement in these harnesses because special tools and techniques are required to properly complete the assembly.

  • Page 24: Fadec Wiring Harness

    Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 12 FADEC Wiring Harness...

  • Page 25: Pin Layout - Ecu Plugs Pri J1, Pri J2, Sec J1, Sec J2

    RotorWay Helicopter Manufacturing Co. Section 2 RH600 Engine Manual Rev B Aug-23-2017 Page 13 g. Pin layout - ECU plugs PRI J1, PRI J2, SEC J1, SEC J2...

  • Page 26: Cooling System

    CAUTION: NEVER USE WATER ONLY IN THE COOLING SYSTEM. Never mix tap water or well water with the antifreeze concentrate. Use ONLY DISTILLED WATER to mix with the antifreeze solution. RotorWay recommends that you have the coolant/anti-freeze solution tested once every year. Use Fleetguard coolant test strips (CC2602A) for measuring freezing point, molybdate and nitrite.

  • Page 27: Filling The System, Removing Air And Priming The Water Pump

    RotorWay Helicopter Manufacturing Co. Section 2 RH600 Engine Manual Rev B Aug-23-2017 Page 15 3. Filling the System, Removing Air and Priming the Water Pump CAUTION: Removing air from the cooling system and priming the water pump is VERY IMPORTANT to avoid damage to the engine.

  • Page 28: Oil Pressure Adjustment

    Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 16 b. Before connecting any oil hoses to the engine, fill the oil pump inlet and outlet fittings with oil. These fittings are numbers 2 and 3 in the Oil System Parts List. These fittings will have to be refilled repeatedly until all of the trapped air has been bled out and they remain completely full.

  • Page 29: Ignition System

    RotorWay Helicopter Manufacturing Co. Section 2 RH600 Engine Manual Rev B Aug-23-2017 Page 17 b. To adjust the oil pressure, first look at the exploded view of the oil pump cover and the pressure regulator components, found in the Lower Cover Assembly drawing in Section 5 of this manual. Take the time to become familiar with the component parts.

  • Page 30: Preparation

    Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 18 2. Preparation WARNING: NEVER ELECTRIC WELD with either the ignition modules or the ECUs connected in ANY way to the electrical system of the ship. This means that the positive, negative, ground strap, and sensor...

  • Page 31: Installation Drawing

    RH600 Engine Manual Rev B Aug-23-2017 Page 19 3. Installation Drawing CAUTION: USE ONLY GROUNDING STRAPS AND WIRES SUPPLIED BY ROTORWAY AND SPECIFIED BELOW BY PART NUMBER. SUBSTITUTIONS ARE NOT PERMITTED. NOTE: IGNITION MODULES ARE SHOWN HERE FROM THE REAR, LOOKING FORWARD...

  • Page 32: Component Service

    Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 20 4. Component Service a. Ignition Sensors The inboard and outboard ignition sensors are identical. TESTING: Disconnect the sensor at the plug connector by lifting the lock tab and pulling the connector apart.

  • Page 33: Spark Plug Wires

    RotorWay Helicopter Manufacturing Co. Section 2 RH600 Engine Manual Rev B Aug-23-2017 Page 21 c. Spark Plug Wires Spark plug wires should be replaced only with ones supplied by the factory. The use of incorrect spark plug wires can cause permanent DAMAGE to the ignition modules! The spark plug wire supplied by the factory is spherically wound and has a resistance which is less than 700 ohms per foot.

  • Page 34: Engine Will Not Start - Signs Of Spark Are Evident (Such As Backfire Or Sputter)

    Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 22 3. Try starting the engine on the inboard system only. Repeat on the outboard system only. If the engine starts and runs on either system and starts to miss or if it quits when the other system is turned on, see “Engine Runs On One System Only”.

  • Page 35: Engine Runs On One System Only

    RotorWay Helicopter Manufacturing Co. Section 2 RH600 Engine Manual Rev B Aug-23-2017 Page 23 4. Install a timing light on #1 outboard wire. With only the outboard system on, crank the engine to check for spark. Repeat as necessary on the remaining wires to determine if a spark is being produced. (Do not crank engine for a prolonged period as this could damage the starter and the engine.)

  • Page 36: Ignition Timing

    Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 24 6. Ignition Timing The ignition timing may vary depending on whether the engine is operating on the primary system or on the secondary system. The actual timing will vary depending on the exact RPM. Timing should be verified, with a timing light, at operating RPM, (approximately 4250 RPM).

  • Page 37: Lash Cap, Rocker And Pushrod

    RotorWay Helicopter Manufacturing Co. Section 2 RH600 Engine Manual Rev B Aug-23-2017 Page 25 2. Valve Stem and Spring Keeper: If you look closely at the top of each valve assembly you will notice a gap between the lash cap and the spring keepers. If excessive wear occurs between the valve and the keepers, this gap will decrease and eventually the lash cap will contact the keepers.

  • Page 38: Camshaft Lift Inspection

    Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 26 inspection and replacement in the engine. Carefully remove the rocker and the ball. Remove the pushrod taking note of which end goes against the rocker and which end goes into the pushrod tube. Inspect the lash cap for wear.
  • Page 39 RotorWay Helicopter Manufacturing Co. Section 2 RH600 Engine Manual Rev B Aug-23-2017 Page 27 NOTE: The only proper way to rotate the engine is with a specially made tool which grips the flywheel ring gear. Two sources to obtain this tool are Snap-on Tools and Mac Tools. DO NOT attempt to rotate the engine by engaging the starter or by rotating the main rotor blades by hand.
  • Page 40 Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 28 g. Rotate the engine until another set of valves are fully open. Measure and adjust the lash on the opposite valve in the same manner. Continue the process until ALL of the valves are measured and adjusted.

  • Page 41: Main Drive Pulley

    RotorWay Helicopter Manufacturing Co. Section 2 RH600 Engine Manual Rev B Aug-23-2017 Page 29 Fully Open Valve G. Main Drive Pulley 1. Removal The drive pulley, flywheel and drive flange are indexed with punch marks. Note the mark on the base of the pulley and on the flywheel next to it.

  • Page 42: Bearing Replacement

    Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 30 The indicator should contact the pulley on the outside surface approximately .150" from the top of the pulley. The total indicated run out reading must be .004" or less. If it is not, the pulley can be moved to a different position on the flywheel.
  • Page 43 RotorWay Helicopter Manufacturing Co. Section 2 RH600 Engine Manual Rev B Aug-23-2017 Page 31 Remove the cup assembly from the freezer. Wipe off any moisture contamination on the shaft using acetone. Put a light film of #609 Loctite on the portion of the shaft which will contact the top bearing. Similarly place a light film on the I.D.
  • Page 44 Section 2 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 32 This page intentionally left blank.

  • Page 45: Section 3: Start-Up And Initial Run-In Procedures

    RotorWay Helicopter Manufacturing Co. Section 3 RH600 Engine Manual Rev B Aug-23-2017 Page 1 SECTION 3: Start-up and Initial Run-in Procedures A. Introduction It is important that you read this entire manual as vital procedures are contained throughout. Each section contains relevant information essential to properly start and operate the powerplant.

  • Page 46: Maintenance Requirements

    Section 3 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 2 4. Pay special attention to: A. Leaks, which present a fire hazard B. Oil pressure C. Water temperature D. Rotating parts C. Maintenance Requirements FIRST HOUR SERVICE 1.

  • Page 47: First Five Hour Service

    RotorWay Helicopter Manufacturing Co. Section 3 RH600 Engine Manual Rev B Aug-23-2017 Page 3 FIRST FIVE HOUR SERVICE 1. INSPECT AND CLEAN THE FUEL PRE-FILTER: See Fuel System components section. 2. REPEAT ALL FIRST HOUR ITEMS FIRST TEN HOUR SERVICE 1.
  • Page 48 Section 3 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 4 This page intentionally left blank.

  • Page 49: Section 4: Inspection And Maintenance Schedule

    RotorWay Helicopter Manufacturing Co. Section 4 RH600 Engine Manual Rev B Aug-23-2017 Page 1 SECTION 4: Inspection and Maintenance Schedule A. Introduction The following schedule is presented as a guide to the regular maintenance required on the engine. It should be followed exactly, as all of the procedures are essential to achieving a long lasting and reliable powerplant.

  • Page 50: 50 Hour Service

    Section 4 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 2 8. INSPECT EXHAUST SYSTEM: Check entire exhaust system for cracks and leaks. Proper fit of each exhaust manifold to its mating port is important. Proper fit can be verified while idling the engine and positioning your finger approximately 1/2"...

  • Page 51: 250 Hour Service

    RotorWay Helicopter Manufacturing Co. Section 4 RH600 Engine Manual Rev B Aug-23-2017 Page 3 E. 250 Hour Service NOTE: The following maintenance items are to be performed EVERY 250 hours. 1. REPLACE AIR FILTER 2. REPLACE ALL WATER HOSES: Replace all water hoses, hose clamps and coolant. Replace every five years even if 250 hours of operation has not yet occurred.

  • Page 52: 1000 Hour Service

    Section 4 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 4 H. 1000 Hour Service NOTE: The following maintenance items are to be performed EVERY 1000 hours. 1. REPLACE SPARK PLUG WIRES 2. REPLACE FUEL INJECTORS 3. REPLACE FUEL HOSES 4.

  • Page 53: Section 5: Drawings And Parts Lists

    RotorWay Helicopter Manufacturing Co. Section 5 RH600 Engine Manual Rev B Aug-23-2017 Page 1 SECTION 5: Drawings and Parts Lists A. Rotating Parts Assembly REF. # PART # DESCRIPTION QTY. 1 ..... E00-2624 ..Bolt 3/8-24 X 1-1/2 SHCS ................3 2 .....
  • Page 54 Section 5 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 2...

  • Page 55: Main Drive Pulley Assembly

    RotorWay Helicopter Manufacturing Co. Section 5 RH600 Engine Manual Rev B Aug-23-2017 Page 3 B. Main Drive Pulley Assembly REF. # PART # DESCRIPTION QTY. 1 ..... A24-1601 ..Upper Drive Cup ....................1 2 ..... A24-1603 ..Stub Shaft ......................1 3 .....

  • Page 56: Crankcase Assembly

    Section 5 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 4 C. Crankcase Assembly REF. # PART # DESCRIPTION QTY. 1 ..... A24-2001 ..Crankcase......................1 2 ..... A24-2003 ..Lifters ....................... 8 3 ..... A24-2004 ..Main Stud......................6 4 .....

  • Page 57: Lower Cover Assembly

    RotorWay Helicopter Manufacturing Co. Section 5 RH600 Engine Manual Rev B Aug-23-2017 Page 5 D. Lower Cover Assembly REF. # PART # DESCRIPTION QTY. 1 ..... A24-2007 ..Lower Cover ..................... 1 2 ..... A24-2010 ..Oil Exit Fitting ....................1 3 .....
  • Page 58 Section 5 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 6...

  • Page 59: Waterjacket Assembly

    RotorWay Helicopter Manufacturing Co. Section 5 RH600 Engine Manual Rev B Aug-23-2017 Page 7 E. Waterjacket Assembly REF. # PART # DESCRIPTION QTY. 1 ..... A24-3040 ..Waterjacket Elbow, ..................3 2 ..... A24-3030 ..Waterjacket Elbow Tapped ................1 3 .....

  • Page 60: Cylinder Head Assembly

    Section 5 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 8 F. Cylinder Head Assembly REF.# PART # DESCRIPTION QTY. 1 ..... A24-4002 ..Intake Valve ..................... 4 2 ..... A24-4003 ..Intake Valve Seat .................... 4 A24-4004 ..
  • Page 61 RotorWay Helicopter Manufacturing Co. Section 5 RH600 Engine Manual Rev B Aug-23-2017 Page 9...

  • Page 62: Plenum And Manifold Assembly

    Section 5 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 10 G. Plenum and Manifold Assembly REF. # PART # DESCRIPTION QTY. 1 ..... E00-2324 ..Bolt 3/16 X 1-7/8 Drilled Head ................. 2 2 ..... E00-4301 ..AN960-10 3/16 Regular Washer ..............4 3 .....
  • Page 63 RotorWay Helicopter Manufacturing Co. Section 5 RH600 Engine Manual Rev B Aug-23-2017 Page 11...

  • Page 64: Fuel Shut-Off Valve / Filter Assembly

    Section 5 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 12 H. Fuel Shut-off Valve / Filter Assembly REF. # PART # DESCRIPTION QTY. E25-4660 ..Fuel Shut-off Valve/Filter Assy ................ 1 1 ..... E25-4680 ..Fuel Valve/Filter Housing ................1 2 .....

  • Page 65: Electrical System

    RotorWay Helicopter Manufacturing Co. Section 5 RH600 Engine Manual Rev B Aug-23-2017 Page 13 Electrical System REF. # PART # DESCRIPTION QTY. 1 ..... A24-5412 ..Ignition Sensor (Crank Sensor)................ 2 2 ..... A24-5550 ..Retainer ......................2 3 ..... E00-2310 ..Bolt 10 x 32 x 1/2” Socket Head ..............2 4 .....

  • Page 66: Oil System

    Section 5 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 14 J. Oil System REF. # PART # DESCRIPTION QTY. 1 ..... E28-6112 ..Oil Hose, Sump to Oil Pump................1 2 ..... A24-2230 ..90° Fitting ......................2 3 .....

  • Page 67: Gaskets And O-Rings

    RotorWay Helicopter Manufacturing Co. Section 5 RH600 Engine Manual Rev B Aug-23-2017 Page 15 K. Gaskets and O-Rings PART # DESCRIPTION QTY. PER ENGINE A24-1101 ..Complete set ..........................1 A24-2016 ..Main Galley O-Ring ........................1 A24-2103 ..Oil Seal-Crankshaft, Starter Mount ....................1 A24-2402 ..
  • Page 68 Section 5 RotorWay Helicopter Manufacturing Co. Rev B Aug-23-2017 RH600 Engine Manual Page 16 This page intentionally left blank.

  • Page 69: Section 6: Hourly Service Chart

    RotorWay Helicopter Manufacturing Co. Section 6 RH600 Engine Manual Rev B Aug-23-2017 Page 1 SECTION 6: Hourly Service Chart DESCRIPTION 1000 SERVICE AIR FILTER GREASE MAIN DRIVE PULLEY INSPECT AND ADJUST VALVES INSPECT COOLING SYSTEM INSPECT OIL SYSTEM INSPECT FUEL SYSTEM...

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