MAULE AEROSPACE TECHNOLOGY, INC.
MAINTENANCE MANUAL
FOR
M-4-180V
17
Rev. A
4/13/16
Check the rudder travel for 21
°
±
1
°
right and left. Adjustment, if needed, may be
accomplished by backing on the locknuts on the rudder stops located on fuselage frame and
screwing stop screw in or out, whichever is required.
8. ELEVATORS:
Elevator control movements are up 25
°
±
2
°
, down 21
°
±
1
°
. Stops are located on the
vertical tail rear spar just inside the inspection plate. Proper cable tension is 25 to 45 lbs.
9. ELEVATOR TRIM:
Elevator trim tab movement is 11
°
±
3
°
up, 25
°
±
1
°
down. If adjustment is needed, it
may be done at the turnbuckles located just aft of the trim control. Proper cable tension is 15
to 25 lbs.
10. RUDDER TAB:
This tab is interconnected with the aileron system to automatically coordinate rudder
with aileron to reduce adverse yaw. The tab should normally be streamlined with the rudder
when the aileron and rudder controls are centered.
The tab may be used to adjust rudder trim. In normal cruise, it is desirable to have the
ball centered with the “Rudder Trim” control out to first line. This allows for inflight
adjustment of rudder trim in cruise.
Rudder trim may be adjusted by changing the position of the tab cables located just over
the front doors on the inside of the airplane.
The tab travel is 48
°
±
4
°
right or left. Proper cable tension is 5 to 10 lbs.
CAUTION: Make sure tab is free at extreme aileron travel.
NOTE: The “Rudder Trim Control” on the instrument panel pulls on a spring attached to the
right rudder pedal. It is not connected to the tab on the rudder.
LUBRICATION
1. Main wheel and tailwheel bearings - Use aircraft quality bearing grease.
2. Oleo shock struts - Use API GL-4 or GL-5 85W-140 gear oil.
3. Landing gear hinges - Use motor oil.
4. Hydraulic brake reservoirs - Use Texaco Aircraft Hydraulic Oil 15 conforming to MIL-H-
5606E, or equivalent.
5. Control Column - Apply light coat of graphite base lubricant to aileron balance chain, torque
