LO 10-4610-240-12 (ARMY)
LI 08580C-12 (MARINE CORPS)
TO 40W4-13-31 (AIR FORCE)
Table 4. Task Summary
WHEEL BEARINGS (MODEL WPES-1).
To prevent premature failure of wheel bearings when operating in extremely dusty conditions,
repack wheel bearings after 125 hours or 3, 000 miles, whichever comes first.
Remove tire and wheel assembly (TM 10-4610-240-10/TO 40W4-13-31/LI 08580C-12).
Disassemble, clean, lubricate and assemble wheel bearings (TM 10-4610-240-10/TO 40W4-13-31/LI
To Prevent grease from contaminating brake shoes, do not over lubricate brake spider.
Lubricate brake spider, cam bracket and slack adjuster fittings while tire and wheel assembly are removed.
Install tire and wheel assembly (TM 10-4610-240-10/TO 40W4-13-31/LI 08580C-12).
Repeat steps a. through d. for remaining wheel bearings.
Using leveling jacks, raise trailer wheels clear of ground (TM 10-4610-240-10/TO 40W4-13-31/LI 08580C-
To prevent premature failure of suspension assembly, use only grease conforming to MIL-G-
10924, Revision F or later to lubricate trunnion axle and trunnion brackets. Use of other type
grease can result in damage trunnion axle bearing surfaces and will void the warranty.
Pump grease into fittings at both ends of trunnion axle until lubricant comes out from under grease seals.
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