TM 5-5420-226-20-3
HUB AND ARM ASSEMBLY REPAIR (Sheet 5 of 9)
11.
Inspect deflector (M) for bending, cracking, or
wear. If damaged, carefully remove deflector (M)
by tapping around its outer face with hammer
and chisel.
CLEANING AND INSPECTION:
Dry cleaning solvent P-D-680 is toxic and flammable. To avoid injury, wear protective goggles and
gloves and use in a well-ventilated area. Avoid contact with skin, eyes, and clothes, and do not
breathe vapors. Do not use near open fire or excessive heat. The flash point for Type I dry cleaning
solvent is 100F (38C), and for Type II is 140F (60C). If you become dizzy while using dry cleaning
solvent, get fresh air immediately and get medical aid. If contact with eyes is made, wash your eyes
with water and get medical aid immediately.
1.
Using dry cleaning solvent, clean all parts, especially bearings.
Check arm for cracks. If arm is cracked or bad, turn in to support maintenance and replace
2.
with new arm.
3.
Inspect both upper and lower spindles of arm,
especially threads.
Check internal splines of arm for broken,
4.
cracked, or deformed splines. If bad,
replace arm.
Using file, smooth out any rust spots, pits,
5.
or other damaged places on arm. Do not file
spindle.
6.
Inspect bearings for missing needle rollers
and scuffs or scratches, especially on
inner races.
7.
Replace defective parts as required.
Go on to Sheet 6
Change 3