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 155 of 320
TM 9-2330-247-14&P
4-44.
HUB AND BRAKEDRUM (Con’t)
ACTION
LOCATION
ITEM
REMARKS
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
Hub (20) and
six bolts (13)
Backing plate
(12)
Hub (20) or
spindle (16)
Hub (20)
Brakedrum (11)
and bolts (15)
Brakedrum (11)
Backing plate
(12)
Brakedrum (11)
INSTALLATION
19.
Backing plate
(12)
20.
21.
Brakedrum (11)
22,
Brakedrum (11)
and bolts (15)
23.
Hub (20)
24.
Hub (20)
Hub (20) and
With the aid of an assistant, take off.
brakedrum (11)
Six nuts (8)
Using 1~~ in. socket and ratchet handle with
~ in.
drive, unscrew and take off.
Hub (20)
Using hammer, unseat and take off.
NOTE
Sleeve and seal may stay in hub or on spindle.
Seal (1 O) and
sleeve (14)
Inner bearing (9)
Two bearing
cups (7)
Six bolts (19)
18 nuts (18)
and washers (17)
Backing plate (12)
Six bolts (13)
and 18 bolts (15)
Six bolts (13)
18 bolts (15)
Backing plate (12)
18 washers (17)
and nuts (18)
Six bolts (19)
Two bearing
cups (7)
Using seal puller, take off and separate.
Take off.
Using cup puller/installer, take out.
Using hammer and % in. x 10 in. drivepin punch,
drive out.
Using %8 in. socket and ratchet handle with ~ in.
drive, unscrew and take off.
Using hammer, unseat and separate.
Using hammer and % in. x 10 in. drivepin punch,
drive out.
Visually inspect brakedrum (11) for out-of-round, heat
checking, scoring, and cracks. Replace if damaged.
Line up serrations and drive into place using hammer
and
~ in. x 10 in. drivepin punch
Line up serrations and drive into place using hammer
and % in. x 10 in. drivepin punch.
Put in place.
Screw in and tighten using X6 in. socket and ratchet
handle with ~ in. drive.
Line up serrations and drive into place using hammer
and % in. x 10 in. drivepin punch.
Put in place and seat using cup puller/installer.
4-101
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