TM 1-1520-238-T-4
3–26
3–11.
TAIL LANDING GEAR – MAINTENANCE OPERATIONAL CHECK
3–11
Tools:
Nomenclature
Part Number
Tool Kit, Aircraft
SC518099CLA01
Mechanic’s
Jack, Hydraulic Axle,
MIL-J-26013
5-Ton
Personnel Required:
67R
Attack Helicopter Repairer
References:
TM 1-1520-238-T-5
TM 1-1520-238-23
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Helicopter safed
Paragraph 1–17
Maintenance headset
connected
NOTE
Refer to pilot station (fig. 3–20) for cockpit configuration and equipment.
If referenced out of one paragraph or volume and into another for
additional troubleshooting, upon completion of the task, return to the
maintenance operational check for the original paragraph or volume.
1. Perform inspection of TLG (TM 1-1520-238-23).
2. Raise TLG at jack pad (TM 1-1520-238-23).
3. Remove safety pin from tail wheel lock actuator (TM 1-1520-238-23).
4. Complete the maintenance operational check as follows:
Task
Result
a. Use handle (fig. 3–20) to unlock tail wheel
locking pin.
If tail wheel locking pin is binding or does not
disengage from locking plate, go to
paragraph 3–18.
b. Move tail wheel to either side of helicopter
centerline and release.
If tail wheel does not return to centerline, go to
paragraph 3–19.
c. Perform external power application electrical
and utility hydraulic (TM 1-1520-238-23).
d. On pilot TAIL WHEEL panel (fig. 3–20), set
UNLOCK/LOCK switch to LOCK. Check
that tail wheel is locked.
If tail wheel does not lock, refer to TM 1-1520-238-T-5
to troubleshoot utility hydraulic system.
