MAULE AEROSPACE TECHNOLOGY, INC.
MAINTENANCE MANUAL
FOR M-5-220C
Rev. B 12/38
9. Remove wheels and inspect wheels, tires, brake disc, bearings, brake lines and
brake pad for wear, cuts, chafing, leaks and general condition. Repack wheel
bearings.
MECH INSP
10. Remove landing gear top fairings and inspect attaching fittings and bolts for se-
curity, corrosion, and cracks and inspect brake hose for security, chafing and
leaks. Check oleo attach bolts for bending or shearing.
11. The oleo springs occasionally become overstressed and weak due to hard us-
age, and if so should be replaced. This can usually be detected if the airplane
sits wing low on a level surface or if the wheel camber is negative.
CAUTION: Check fluid level in the landing gear oleo struts. Fill to overflowing (no air).
CAUTION: Use Steps 10 and 11, above as a guide for inspection after an unusually hard landing or
any time there is concern about the condition of the main landing gears or their attachments.
12. Remove all inspection covers/plates and inspect all visible control cables, pul-
leys, bellcranks, electrical wires and connections, fuel lines and fittings, nuts,
bolts, etc. for security, chafing, leaks, etc.
NOTE: Check top side of rear elevator horn and cable and bottom side of forward elevator horn and
cable if yellow color-coding paint is visible. If missing, paint per Maule Service Bulletin No. 30.
13. CAUTION: At inspection hole in tail, visually check the pivoting action at the
control cable attachment points over the full range of rudder and elevator trav-
el. This action should be such that there are no bending loads imparted to the
turnbuckles (which are designed for straight tension load only).
NOTE: Any binding which causes bending of the turnbuckles should be removed. Any cable attach-
ment parts, which display appreciable corrosion, must be replaced before further flight.
NOTE: Pivot points must be cleaned and lubricated with any lightweight lubricating oil. Following lu-
brication, the cable attachments, including the turnbuckles, must be heavily coated with a good pre-
servative such as: Black Bear Paralketone Preventative/Black Bear Co./Long Island City, NY. (pre-
ferred) or LPS 3, Heavy Duty Rust Inhibitor/LPS Laboratories, Inc./Tucker, GA
NOTE: Larger stainless steel turnbuckles and corrosion resistant steel fasteners for the elevator ca-
bles are approved and recommended for airplanes operating in a potentially corrosive environment.
CAUTION - Before flight whenever elevator cables are reconnected or new cables installed: Always
check operation of elevators after a cable reconnect by pulling back on the control wheel and ascer-
tain that the elevators are in the UP position.
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