TM 5-3805-262-34
3-11. SERVICE BRAKE SYSTEM MAINTENANCE (CONT)
b. Calipers.
This task covers disassembly, cleaning, inspection, and reassembly
of brake calipers.
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Safety glasses
Key set, socket head screw
Fixed open end wrench set
Hand hammer, 16 ounces
Shop compressed air system
Wood block, 1 by 4 by 12 inches
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680 (Appendix C, item 2)
Abrasive cloth (Appendix C, item 8)
Brake fluid (Appendix C, item 19)
O-rings (FSCM 10988 PN 218-5004)
Brake seal kit (FSCM 52256 PN 9680382)
REFERENCE: TM 5-3805-262-20
NOTE
PRELIMINARY PROCEDURE: Brake calipers removed from loader (refer to TM
5-3805-262-20.
DISASSEMBLY (SHEET 1 OF 2)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
Remove two piston plugs (1) and O-rings (2). Discard O-rings.
Using open end wrench, loosen and remove two piston caps (3) and O-rings
(4). Discard O-rings.
Push two pistons (7) from body (11) bores.
Remove and discard two O-rings (5), piston rings (6), and wipers (8).
Try to pull the other two pis-
tons (7) from body (11) bores
by hand. If successful go to
step (9) below. If not, go to
step (6) below.
Remove one bleeder valve (9).
Place wood block on pistons (7)
as shown.
Using clean cloths, close off
air passages in body (11) and
apply compressed air to bleeder
valve (9) port to force pistons
(7) from body.
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