TM9-2330-328-14&P
MAINTENANCE OF AIR BRAKE SYSTEM - Continued
0016 00
HUBS AND DRUMS - Continued
(18) Fill hub through oil plug (1) with SAE 90 Hypoid Gear oil to full line on hub cap (2).
(21) Remove chocks.
(23) Lower trailer.
SERVICE BRAKES
Materials/Tools
General mechanics tool kit
lock ring pliers
pry bar
a. Brakes Shoes.
(b) Back off slack adjuster nut (1) until it separates from slack adjuster (3).
(c) Turn the hex head (2) of the worm shaft counterclockwise to back off slack
adjuster to low part of cam (4).
(d) Drive out brake anchor pins (5).
(e) Remove retaining spring (6).
(f) Remove brake shoe assemblies (7) with retract spring (8), springs (9) and rollers
(10).
(g) Remove retract spring (8) from brake shoe assemblies (7).