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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
7.
Check to see if air is present
1.
Loosen air hose 7 at ABS
APPLY - CONTINUED
at supply port of ABS relay
relay valve supply port.
valve.
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
7.
Tighten air hose 7 to ABS
relay valve supply port.
0037 00-8
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