TM-9-2330-247-14-P
CHASSIS, TRAILER: GENERAL PURPOSE, 3-1/2 TON, 2-WHEEL, M353
TECHNICAL MANUAL; OPERATOR’S, ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS)
MARCH 1992
TM-9-2330-247-14-P - Page 156 of 320
TM 9-2330-247-14&P
4-44. HUB AND BRAKEDRUM (Con’t)
ACTION
LOCATION
ITEM
REMARKS
25.
Inner bearing
a. Lubricate (Chapter 3, Section l).
(9)
b. Put in place.
26.
Seal (10) and
a. Put together,
sleeve (14)
b. Put in place and seat.
Ensure that seal (10) and sleeve (14) are
firmly seated all the way around.
27.
Backing plate
(12)
28.
Hub (20) and
six bolts (13)
29.
Spindle (16)
30.
Spindle (16)
and hub (20)
31.
Spindle (16)
and outer
bearing (6)
32.
Spindle (16)
and nut (5)
33.
Spindle (16)
and keywasher
(4)
34.
Hub (20)
35.
Hubcap (1) and
hub (20)
Hub (20)
Put in place.
Six nuts (8)
Screw in and tighten using 1Me in. socket and
ratchet handle with
~ in. drive.
Hub (20) and
Put in place with the aid of an assistant.
brakedrum (11)
Outer bearing
a. Lubricate (Chapter 3, Section l).
(6)
b. Put in place.
Nut (5)
a. Using hub nut wrench, screw in and tighten until
hub (20) binds on spindle (16) when rotated.
b. Using hub nut wrench, back off ~ turn.
c. Rotate hub (20) to ensure that it turns freely on
spindle (16).
If hub (20) still binds on spindle (16), repeat
step 30b.
NOTE
Check adjustment by attempting to rock brakedrum on
spindle. If bearings are properly adjusted, there will be no
movement of brakedrum. Brakedrum should not rock while
turning freely.
Keywasher (4)
Nut (3)
Gasket (2) and
hubcap (1)
Three lock-
washers (21)
and screws (22)
Put in place.
a. Screw
in
and tighten
using hub nut
wrench. Torque nut (3) to 100-110 Ib.-ft. (136-
149 N•m) using torque wrench.
b. Bend tabs of keywasher (4) over nuts (3 and 5)
using hammer and ~z in. punch.
Put in place.
Screw in and tighten using no. 2 cross-tip
screwdriver.
4-102
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