MOISTURE IN AIR SYSTEM.

TM 9-2320-279-20-1

Troubleshooting Malfunctions (Cont)

Table 2-9.

Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

AIR SYSTEM (CONT)

1. AIR PRESSURE BUILDUP SLOW (CONT).

Step 8.

Drain air system. Remove and inspect air inlet check valves at air reservoirs No. 2 and

No. 3 (paras 11-30, 11-31).

Replace damaged air inlet check valves (paras 11-30, 11-31).

If no damage is found, replace pressure protection valve at air reservoir No. 1

(para 11-29). If problem has not been solved, notify the supervisor.

2. MOISTURE IN AIR SYSTEM.

Step 1.

Check to see that air dryer exhausts when air pressure reaches 120 to 128 psi (827 to

883 kPa).

If air dryer exhausts, service air dryer (para 11-22).

If it does not exhaust, replace air dryer (para 11-23).

3. COMPRESSOR FAILS TO UNLOAD.

Step 1.

Check for restricted governor air inlet line.

Remove line and clear restriction or replace kinked line.

Step 2.

Check for governor out of adjustment (para 11-36).

Adjust governor (para 11-36).

If governor will not adjust, replace governor (para 11-37).

Change 5

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