TM 5-3805-254-20-1
ORGANIZATIONAL TROUBLESHOOTING - CONTINUED
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
69.
PARKING BRAKE DOES NOT HOLD - CONTINUED.
NOTE
Check AIR PRESSURE gage for air pressure between 90 and 130 psi. If specified air pressure is
not present, start engine and check that air pressure in air system is between 90 and 130 psi (TM
5-3805-254-10). Shut down engine (TM 5-3805-254-10).
Step 7.
Check adjustment of rear brakeshoes (1) as follows: using .025-inch (.635 mm) feeler gage,
measure distance between rear brakeshoes (1) and drum (2), through upper dust shield (3) and
lower dust shield (4).
a. If rear brakeshoes (1) are more than .025-inch (.635 mm) away from drum (2), adjust
rear brakes (page 2-973).
b. If rear brakeshoes (1) are adjusted to .025-inch (.635 mm) from drum (2), go to step 8.
Step 8.
Measure thickness of rear brakeshoe lining (5) (page 2-963).
2-368
