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