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 TM 9-2330-394-13&P
BRAKE SYSTEM TROUBLESHOOTING - Continued
0037 00
BRAKE SYSTEM - Continued
Table 1. Brake System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. SERVICE BRAKES DO NOT
10. Check to see if air is present
1.
Loosen spring brake air hose
APPLY - CONTINUED
at spring brake air chambers
at brake chamber.
of brakes.
2.
Start towing vehicle engine.
3.
Depress towing vehicle
brake pedal
4.
Check for presence of air.
5.
Shut down towing vehicle
engine.
6.
If no air is present, replace
spring brake air supply
7.
Tighten air hoses to ABS
relay valve delivery port.
8.
Repeat steps (1 through 7)
for each wheel.
9.
If air is present at all wheels,
replace brake air chambers
0037 00-11
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