TM 1-1520-238-T-4
3–24
3–10.
MAIN LANDING GEAR – MAINTENANCE OPERATIONAL CHECK (cont)
3–10
5. Complete the maintenance operational check as follows:
Task
Result
a. Rotate left main wheel.
If left main wheel does not rotate freely, go to
paragraph 3–12.
b. Check left main wheel for looseness.
If left main wheel is loose, check for loose axle nut or
worn bearings (TM 1-1520-238-23).
c. Rotate right main wheel.
If right main wheel does not rotate freely, go to
paragraph 3–12.
d. Check right main wheel for looseness.
If right main wheel is loose, check for loose axle nut
or worn bearing (TM 1-1520-238-23 ).
e. Apply and maintain pressure on pilot left
directional control pedal.
If pilot’s left brake is not firm, go to
paragraph 3–13.
f. Check left main wheel for rotation.
If left main wheel rotates, go to
paragraph 3–13.
g. Release pilots left directional control pedal.
Apply and maintain pressure on pilot right
directional pedal.
If pilot’s right brake is not firm, go to paragraph 3–13.
h. Check right main wheel for rotation.
If right main wheel rotates, go to
paragraph 3–13.
i. Release pilots right directional control pedal.
j. Set parking brake by pressing pilot toe
portion of directional control pedals, pulling
parking brake handle and releasing pedals.
Check that parking brake handle does not
automatically retract.
If parking brake handle retracts, go to
paragraph 3–14.
k. Release parking brake by pressing toe
portion of pilots or CPG directional control
pedals. Check that parking brake handle
retracts.
If parking brake handle does not retract, go to
paragraph 3–15.
l. Apply and maintain pressure on CPG right
directional control pedal.
If CPG right brake is not firm, go to paragraph 3–16.
m. Check right main wheel for rotation.
If right main wheel rotates, go to
paragraph 3–16.
n. Release CPG right directional control pedal.
If right wheel does not rotate freely, go to paragraph
3–16.
o. Apply and maintain pressure on CPG left
directional control pedal.
If CPG left brake is not firm, go to
paragraph 3–16.
