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 TM 9-2320-302-20-2
FRONT HUB, DRUM, WHEEL BEARINGS, AND SEAL REPLACEMENT
(M916A3, M917A2) - CONTINUED
0208 00
ASSEMBLY - CONTINUED
WARNING
Brakeshoe linings and inside drum friction surface must be free of all oil/grease and other contaminants
prior to assembly to ensure maximum braking capability. Oil/grease and other contaminants may compro-
mise braking that could lead to a serious accident resulting in injury and/or death.
NOTE
Apply a thin coat of lubricating oil to surfaces of oil seals, bearings, and bearing cups at assembly.
1.
Apply thin coat of adhesive sealant (loctite 648) to threads of spindle (6) and install spindle ring (7).
2.
Position brake assembly (8) on spindle (6).
3.
Apply adhesive sealant (loctite 242) to threads of 16 screws (9) and install brake assembly (8). Tighten screws to 205 lb-
ft (278 Nm).
4.
Place ABS tone ring (16) on wheel hub (17).
5.
Center inserter tool over ABS tone ring (16).
6.
Using handle and hammer or mallet, drive ABS tone ring (16) onto wheel hub (17). Ensure ABS tone ring is completely
seated around circumference of wheel hub.
7.
Using seal installer tool #5270, install oil seal (15), guide ring (14), and retaining ring (13) to wheel hub (17).
8.
Using cup driver tool #5044, install taper roller bearing (12), oil seal (11), and CTIS seal (10) to wheel hub (17).
9.
Using seal installer tool #5270, install oil seal (18), guide ring (19), and retaining ring (20).
WARNING
Wear protective gloves, clothing, goggles, and use proper tools when handling hot components. Failure to
follow this warning may result in serious injury to personnel.
10.
Heat taper roller bearing (12) to 175 F (80 C) and install taper roller bearing (21) to ring gear carrier (33).
11.
Install new O-ring (22) to wheel hub (17).
12.
Slide protector over spindle (6) and position wheel hub (17) on spindle. Remove protector.
13.
While holding wheel hub (17) upward, position ring gear carrier (33) assembly on spindle (6).
14.
Install new lockwasher (32) and spindle nut (31) to spindle (6).
15.
Using spanner tool #5229 and torque wrench, tighten spindle nut (31) to 221 lb-ft (300 Nm).
16.
Rotate ring gear carrier (23) while tapping on ring gear carrier with a soft-faced mallet. Confirm that ring gear carrier is
fully seated.
17.
Again tighten spindle nut (31) to 221 lb-ft (300 Nm).
NOTE
After spindle nut is loosened, if a tab of lockwasher does not align with a slot of spindle nut, TIGHTEN
spindle nut slightly.
18.
Loosen spindle nut (31) 1/8 turn and bend tab of lockwasher (32) into slot of spindle nut.
19.
Install thrust button (28), sun gear (30), and new snap ring (29) on shaft.
0208 00-4
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