62-51-00 4-1
REMOVAL-INSTALLATION: TOP MAST
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!
A suitable stand should be used if possible!
Self-locking nuts and split pins must only be used once and discarded! Check availability of new hardware before
commencing work!
Rotor system must be removed, see
Mast cover must be removed, see
SPECIAL TOOLS AND CONSUMABLE MATERIALS
AG-BAS-01
Loctite 221 red (88-00-00-S-30487)
AG-BAS-02
Loctite 243 blue (88-00-00-S-30483)
AG-GRS-01
Lagermeister WHS 2002 Grease (88-00-00-S-30477)
AG-LUB-03
Würth HHS2000 Oil Spray (88-00-00-S-30476)
PRECAUTIONS AND SAFETY MEASURES
WARNING: Safety Critical Part - May have catastrophic consequences when component or part is
missing, damaged, or handled incorrectly!
WARNING: Job includes work at critical flight controls. Duplicate inspection must be performed after
completion!
WARNING: Object is heavy! Inadequate handling could cause injury. Use proper lifting techniques or
assistance!
WARNING: When working with cranes or other lifting equipment the general safety regulations have to be
respected at all times!
CAUTION: When removing or disassembling make sure to mark all parts so that each and every part of
the component is re-assembled and installed in exactly the same location and orientation!
PROCEDURES
Removal
1
Disconnect temperature sensor and rotor rpm sensor, remove cable ties on top mast (Fig. 1).
2
Disconnect pneumatic hoses from Bendix pneumatic actuator, roll trim actuator and pitch trim actuator (Fig.
2, Fig. 3).
CAUTION: When removing or disassembling make sure to mark all parts so that each and
every part of the component is re-assembled and installed in exactly the same location and
orientation!
3
Remove bolt (Fig. 4) from roll control and roll trim. Maintain attachment hardware, discard self-locking nut!
CAUTION: When removing or disassembling make sure to mark all parts so that each and
every part of the component is re-assembled and installed in exactly the same location and
orientation!
4
Remove bolt (Fig. 5) from pitch control. Maintain attachment hardware, discard self-locking nut!
IMPORTANT NOTE: When disconnecting the push-pull cable bulkhead at the top mast,
unscrew only top (outer) attachment nut and leave lower (inner) attachment nut unchanged
and mark position.
5
Disconnect roll push-pull cable bulkhead. In order to do so, unscrew and remove top (outer) attachment nut
MMM-CV-E_16-06-13
Manufacturer
Maintenance Manual
62-11-00 4-1
52-00-00 4-1
Part E - 62-51-00 4-1
AutoGyro
Cavalon
HVY
Page 1 of 4
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