TM 55-1520-240-23-3
3-12
INSTALL FORWARD LANDING GEAR WHEEL AND TIRE ASSEMBLY
(Continued)
3-12
14.
Apply grease (E190) or oil (E254) to threads and
bearing surface of nut (15).
15.
Install wheel bearing nut (15) as follows:
a.
Install nut (15) on axle (8).
b.
Have helper turn wheel and torque nut (15)
to 300 inch-pounds.
c.
Back off nut (15) to 0 inch-pounds. Make
sure nut and outer bearing (2) are still in
contact.
d.
Turn wheel and torque nut (15) to a minimum
of 120 inch-pounds. Continue torqueing
until first slot aligns with hole in axle (8). Do
not exceed 300 inch-pounds.
e.
Install new cotter pin (16).
16.
Install sleeve (17) and retaining ring (18).
Tires can explode or wheel halves
can separate under pressure. Injury
to personnel can result. Use remote
tire inflator.
Inflate tire before lowering jack.
Helicopter can be damaged by
lowering too far.
17.
Inflate tire (19) to correct pressure (Task 1-73).
Use remote tire inflator.
INSPECT
FOLLOW-ON MAINTENANCE:
Lower and remove jack (Tasks 1-23 or 1-24).
Set parking brake (Task 7-239).
Install access panel (Task 2-2).
END OF TASK
3-43
