TM9-2330-368-14 & P
4-14. HUBS AND DRUMS (cont)
(16) Close air tank drain cocks.
(17) Remove chocks.
(18) Adjust brakes (para. 4-15c).
(19) Lower trailer.
4-15. SERVICE BRAKES
Materials/Tools
Dry cleaning solvent (item 3, app E)
Wiping rag (item 10, app E)
General mechanics tool kit
Lock ring pliers
Pry bar
a. Brakes Shoes.
(1) Removal.
(a) Remove wheels and tires (para. 3-6)
and hubs and drum (para. 4-14a).
(b) Apply a 9/16 inch wrench to hex
head (1) of worm shaft and push in
against the slack adjuster (2) to un-
lock the worm shaft.
(c) Turn the hex head (1) of the worm
shaft counterclockwise to back off
slack adjuster to low part of cam
(3).
(d) Drive out brake anchor pins (4).
(e) Remove two retaining springs (5).
(f) Remove brake shoe assemblies (6)
with retract springs (7), springs (8)
and rollers (9).
(g) Remove retract spring (7) from
brake shoe assemblies (6).
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