TM 1-1520-238-T-4
3–37
3–19.
TAIL WHEEL – DOES NOT RETURN TO CENTERLINE
3–19
Tools:
Nomenclature
Part Number
Tool Kit, Aircraft
SC518099CLA01
Mechanic’s
Jack, Hydraulic Axle,
MIL-J-26013
5-Ton
Personnel Required:
67R
Attack Helicopter Repairer
One person to assist
References:
TM 55-1520-238-23
1. Turn tail wheel to side and release.
Does tail wheel return to centerline?
YES
Go to step 10.
NO
Go to step 2.
2. Turn tail wheel to side.
Does tail wheel turn easily?
YES
Go to step 4.
NO
Go to step 3.
3. Turn tail wheel to side.
Does tail wheel bind or stick when turned?
YES
Remove fork assembly and
inspect. Repair as necessary
TM 55-1520-238-23).
NO
Go to step 5.
4. Check for lock pin in upper cam housing.
Is pin present in upper cam housing?
YES
Remove fork assembly and
inspect. Repair as necessary
TM 55-1520-238-23).
NO
Repair upper cam housing as
necessary TM 55-1520-238-23).
5. Check for lock pin in upper cam housing.
Is pin present in upper cam housing?
YES
Go to step 6.
NO
Repair upper cam housing as
necessary TM 55-1520-238-23).
6. Visually inspect lock pin.
Is actuator lock pin completely disengaged
from wear plate?
YES
Go to step 8.
NO
Go to step 7.
7. Using handle, completely disengage lock pin of
actuator.
Does lock pin completely disengage?
YES
Remove fork assembly and
inspect for broken spring.
Replace as necessary
TM 55-1520-238-23).
NO
Go to step 9.
8. Visually inspect lock pin.
Is lock pin bent?
YES
Repair tail wheel lock actuator
TM 55-1520-238-23).
NO
Go to step 9.
9. Check stop adjustment of tail wheel lock release
handle TM 55-1520-238-23).
Is handle stop adjusted properly?
YES
Remove tail wheel lock actuator
and inspect. Repair as
necessary TM 55-1520-238-23).
NO
Go to step 10.
10. Move fork assembly forward and aft in socket.
Is fork assembly loose in socket?
YES
Remove fork assembly and
inspect socket bushings for
wear. Repair as necessary
TM 55-1520-238-23).
NO
Go to step 11.
