TM 9-2330-383-14&P
4-26. HUBS AND DRUMS (CONT)
j. Remove cotter pin (6), hex nut (7) and two washers (8).
k. Remove outer wheel bearing (9).
l. Remove hub (10), inner bearing (11) and seal (12) from spindle (13).
CAUTION
Do not remove bearing cups unless necessary for replacement.
m. Remove bearing cups (14 and 15) from hub (10).
CLEANING
________
WARNING
Dry cleaning solvent (MIL-PRF-680, type I) is extremely flammable,
toxic, and is an irritant to the eyes, skin, and respiratory system. Do
not use near open flame or excessive heat. Do not breathe the vapors.
Use skin and eye protection and work in a well ventilated area. Flash
point of dry cleaning solvent is 140F.
a. Clean all parts thoroughly using a brush and dry cleaning solvent. Allow to
air dry.
b. Clean spindle (13) and brake shoes (16) on axle with wiping cloth.
c. Clean hub cavity.
INSPECTION
a. Inspect bearings (9 and 11) for wear, scoring, flat spots and overheating
(discoloration).
b. Inspect brake drum (2) for deep scoring, excessive wear (ridge) and other
irregularities. Report defects to support maintenance.
c. Inspect hubcap (4) and hub (10) for cracks and other damage.
d. Inspect spindle (13) for damaged threads, evidence of seizure rough surfaces.
Report defects to support maintenance.
REPAIR
Replace gasket (5), seal (12), and all defective parts. Have support maintenance
turn drum (2) if required.
INSTALLATION
a. Clean hub cavity, spindle (13) and brake shoes (16).
b. Hand pack inner and outer bearings (11 and 9) with grease.
Change 1
