TM 1-1520-238-T-4
329
312.
LEFT OR RIGHT MAIN WHEEL ASSEMBLY DOES NOT ROTATE FREELY
312
Tools:
Nomenclature
Part Number
Tool Kit, Aircraft
SC518099CLA01
Mechanics
Jack, Hydraulic Axle,
MIL-J-26013
5-Ton (2)
Personnel Required:
67R
Attack Helicopter Repairer
One person to assist
References:
TM 1-1520-238-23
WARNING
Brake fluid may be pressurized. To avoid
possible eye injury, wear face shield.
NOTE
Veering to the left may be caused by
grabbing of the left brake or by
complete free wheeling of the right
wheel.
Veering to the right may be caused by
grabbing of the right brake or by
complete free wheeling of the left
wheel.
1. Release brake pressure and rotate binding
wheel assembly.
Does wheel rotate freely?
YES
Go to paragraph 310.
NO
Go to step 2.
2. Inspect binding wheel brake assembly.
Is brake disc binding in brake assembly?
YES
Go to step 3.
NO
Go to step 4.
3. Check parking brake.
Is parking brake released?
YES
Go to step 6.
NO
Go to step 5.
4. Check binding wheel assembly for looseness.
Is wheel assembly loose?
YES
Inspect binding wheel assembly
axle nut, axle and bearings
(TM 1-1520-238-23).
NO
Remove wheel assembly and
inspect bearings. Replace as
necessary (TM 1-1520-238-23).
5. Release parking brake and rotate binding wheel
assembly.
Does wheel rotate freely?
YES
Go to paragraph 310.
NO
Go to step 6.
6. Check brake disc assembly.
Is brake disc binding in brake assembly?
YES
Inspect brake assembly and
replace as necessary
(TM 1-1520-238-23).
NO
Remove wheel assembly and
inspect bearings. Replace as
necessary (TM 1-1520-238-23).
END OF TASK
