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TM
BRAKE TROUBLESHOOTING AND MAINTENANCE.
8-4.
Service Brake Assembly. (Sheet 5 of 6)
ASSEMBLY
25.
26.
27.
28.
29.
30•
31.
32.
33.
34.
35.
Using a 3/8” open end wrench, install
two bleeder screws (23) in housing
(24).
Lubricate with clean brake fluid and
install new preformed packings (21)
in grooves of bores in housing (24).
Install four new boots (15) in bores
of housing (24).
Lubricate four pistons
(20) with
clean brake fluid and install
partially
into housing
(24).
Position lips of four new boots (15)
in groove of four pistons (20), as
shown.
Check four new boots (15) and pistons
(20) to make sure proper seating has
been obtained and install four new
boots (15) using a dust boot install-
ing tool.
Using a 9/16”
socket
and
torque
wrench, install two
new preformed
packings (19), caps (18), eight
washers (17) and bolts (16). Tighten
eight bolts (16) to 40 lb-ft.
Install four pins (13).
Install four bolts (12) loosely.
Position two linings (14).
Adjust four pins
(13) with two
linings (14), as shown.
Tighten four bolts (12), securing
pins (13) in housing (24).
10-3930-643-34
Go to sheet 6
8-15
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