MAULE AEROSPACE TECHNOLOGY, INC.
MAINTENANCE MANUAL
FOR
MT-7-420
9/02
10
CAUTION: Carefully inspect all door hinge bolts, castle nuts and cotter pins for condition
and security.
17. Lubricate rudder pedals and rudder bar points of rotation.
18. Check control rigging and cable tensions.
19. Check and clean vacuum system regulator valve filter and intake filter.
20. Check the pitot static system for leaks.
21. Ensure that all applicable Airworthiness Directives and Maule Service Letters and
Bulletins that are mandatory have been complied with.
Engine Inspection
Scheduled Engine Inspection
CAUTION: Before undertaking any inspection or maintenance action, consult the refer-
enced paragraphs of the Allison Operation and Maintenance Manual. Failure to do so
could result in equipment damage or destruction, possibly resulting in personnel death or
injury.
100 HOUR INSPECTION
Item
Reference
Inspection/Maintenance Action
1
N/A
Inspect the engine for loose or missing bolts, broken or loose
connections, security of mounting accessories and broken or
missing lock wire. Check accessible areas for obvious damage
and evidence of fuel or oil leakage.
2
N/A
Check mounting and support bolts to be sure they are tight,
lockwired and in good condition. Check security of screws and
rivets. Remove all foreign materials which might be drawn into
the compressor inlet.
3
N/A
Check accessible fuel system components, lines, and
connec-
tions for security, damage or leakage. Accomplish with the boost
pump on.
4
3-134
Check fuel and propeller system control linkage for freedom of
operation, full travel and proper rigging. Check for excessively
high throttle forces and security of linkage. Also check for loose
or worn linkage and linkage bolts.
5
N/A
Inspect compressor inlet guide vanes and visible blades and
