Removal-Installation: Pre-Rotator Clutch - AUTO GYRO CAVALON Manufacturer Maintenance Manual

63-11-10 4-1

REMOVAL-INSTALLATION: PRE-ROTATOR CLUTCH

GENERAL, REFERENCES AND REQUIREMENTS
Task may only be performed by an organization trained and entitled to carry out 'Heavy Maintenance'!
Secure gyroplane against unauthorized or unintended operation!
Engine cowlings must be removed, see
SPECIAL TOOLS AND CONSUMABLE MATERIALS
AG-BAS-02 Loctite 243 blue (88-00-00-S-30483)
LR IMPORTANT NOTE: Procedure involves parts with limited reusability. Check parts list below
before starting job!
PRECAUTIONS AND SAFETY MEASURES
PROCEDURES
Removal
1 Remove hoses from oil reservoir and seal open ends against contamination.
2 Remove oil reservoir.
3 Loop a lifting belt around the propeller/gearbox shaft and take the load off the engine mounts using
appropriate lifting equipment.
NOTE: Both engine mounts in the LH side remain in place.
4 Unscrew and remove 2 x attachment hardware of engine mounts on RH side. Discard self-locking nuts.
5 With the engine weight unloaded, tilt engine around remaining LH engine mounts as far as necessary (do not
overstretch rubber bushings) in order to get access to the pneumatic clutch.
6 Disconnect pneumatic hose at quick connect coupling.
7 Cut open and discard affected cable ties.
8 Unscrew and remove 4 x M6 bolts and remove pneumatic clutch with attach ring.
NOTE: Do not separate attach ring from clutch and let adapter frame remain on engine.
9 Remove pneumatic clutch by pulling apart sliding shaft coupling.
Installation
10 Insert sliding shaft coupling and position pneumatic clutch with attach ring on adapter frame.
11 Apply AG-BAS-02 on threads and torque-tighten 4 x M6 bolts with 10 Nm.
12 Check that vertical pre-rotator drive can be easily turned by hand.
13 Re-connect pneumatic hose at quick connect coupling. Make sure flow control valve is in place and installed
in correct flow direction (blue line to clutch, white line to pneumatic box).
14 Perform functional check (engine off) and monitor clutch actuation.
EFFECTIVITY: Pneumatic Clutch III
15 Check clutch activation pressure 5 bar +/- 0.1
16 Re-install engine mounts. Use new self-locking nuts and torque-tighten.
17 Remove lifting belt.
18 Install oil reservoir.
19 Remove seals and re-connect oil hoses to reservoir.
MMM-CV-E_16-06-13
Manufacturer
Maintenance Manual
52-00-00 4-1
Part E - 63-11-10 4-1
AutoGyro
Cavalon
HVY
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