TM 5-3805-262-20
3-18. SERVICE BRAKE SYSTEM TROUBLESHOOTING (CONT)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. SERVICE BRAKES DO NOT STOP LOADER (AIR SYSTEM OPERATING OKAY) (Cont).
Step 4. Operate engine at 1000 rpm until air pressure gage indication on
left instrument cluster no longer increases.
Press brake treadle and valve down completely.
Pressure gage connected to brake treadle and valve port shall indi-
cate approximate pressure in air reservoir.
Correct pressure is approximately 110 psi when brake treadle and
v a l v e i s f u l l y p r e s s e d.
a. If pressure gage does not indicate approximately 110 psi, re-
place brake treadle and valve (page 7-53).
b. If pressure gage indicates approximately 110 psi, go to step 5
below.
Step 5.
Release brake treadle and valve.
Pressure gage connected to brake treadle and valve port shall indi-
c a t e z e r o p s i.
If pressure gage does not indicate zero psi, replace brake trea-
dle and valve (page 7-53).
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