TM 5-3805-262-20
3-18. SERVICE BRAKE SYSTEM TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. SERVICE BRAKES SQUEAK OR GROAN AT END OF STOP (Cont).
S t e p 1 . ( C o n t ).
Remove tire and wheel from axle end (page 8-4).
Check brake calipers for brake fluid leakage or sticking piston.
Repeat for other wheel and axle.
a. If brake caliper is leaking or piston sticking, replace brake
caliper (page 7-28).
b. If brake caliper is okay, go to step 2 below.
Step 2.
Check brake pads for wear (page 7-18),
or lubricant contamination.
a. Replace brake pads if worn, glazed,
uneven glaze, and brake fluid
or contaminated (page 7-19).
b. If brake pads are okay, check each disk for scored or grooved
condition (page 7-18). Notify next higher maintenance level to
replace disk if these conditions are seen.
5. SERVICE BRAKES DO NOT STOP LOADER (AIR SYSTEM OPERATING OKAY).
Step 1.
Remove engine left side
panels (page 9-14) and
open front access door.
Bleed air from front and
rear brakes systems
(page 7-30).
Open air reservoir drain
valve and drain air.
At front brake actuator,
disconnect air hose con-
nected to elbow install-
ed in brake actuator air
chamber.
Connect a 9/16-18 street
tee to elbow.
Connect air hose discon-
nected from elbow above
t o s t r e e t t e e .
Connect zero to 150 psi pressure gage to street tee.
Close air reservoir drain valve .
Tell assistant to start and operate engine at 1000 rpm until AIR
PRESS gage needle indicates in green area.
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