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 TM 9-2330-329-14&P
BRAKE SYSTEM TROUBLESHOOTING--Continued
0020 00
Table 1. Troubleshooting Procedures--Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2.
NO BRAKES/BRAKES
1.
Observe brakedrums/dust
If any oil or grease is present on
ARE WEAK/
shields for signs of oil or
brake components, remove
APPLICATION OR
grease contamination.
brakedrums (refer to WP 0065
RELEASE IS SLOW
contaminated/out of limits brake
components per WP 0063
00/0064 00. If no oil or grease is
present, go to step 2.
2.
Apply prime mover service
If air leaks are present,
brakes and listen for air
repair/replace components per
leaks in lines and hoses.
applicable WP. If no air leaks are
present, go to step 3.
3.
Apply prime mover service
If slack adjustors show excess
brakes and observe slack
movements or damage, adjust
adjustors for correct
per WP 0066 00. Verify problem
movement.
is solved.
3.
ABS WARNING LIGHT
Turn prime mover (refer to
Record ABS blink code and refer
COMES ON AND STAYS
applicable prime mover TM)
to ABS diagnostics (refer to WP
ON AT OPERATING
ignition switch ON. Turn off
SPEEDS (ABOVE 4 MPH
ignition switch after less than 5
[6 KM/H])
seconds, and turn switch on
again. The ABS warning
indicator light will come on and
then off. The ABS blink code will
then be displayed three times.
4.
ABS WARNING LIGHT
Turn prime mover (refer to
Check intervehicular connections
DOES NOT COME ON
applicable prime mover TM)
for corrosion or damage. Verify
ignition switch ON. Turn off
problem is solved. If light still
ignition switch after less than 5
does not come on, replace 24
seconds, and turn switch on
12 V converter box (refer to WP
again. ABS indicator light still
does not come on.
solved.
END OF TASK
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