MAULE AEROSPACE TECHNOLOGY, INC.
MAINTENANCE MANUAL
FOR
MX-7-420
10
Rev. A
16. Lubricate rudder pedals and rudder bar points of rotation.
17. Check control rigging and cable tensions.
18. Check and clean vacuum system regulator valve filter and intake filter.
19. Check the pitot static system for leaks.
20. 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 referenced
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 ob-
vious 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
con-
nections 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 exces-
sively 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
vanes for foreign object damage.
6
3-37
Clean compressor with chemical wash solution if operating
in a smoggy area (as required).
