NO OR LOW AIR PRESSURE CONTINUED - TM-9-2320-270-20-10193

TM 9-2320-270-20-1

TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Step 5.

Open right side of hood and remove side panel (TM 9-2320-270-10). At air

compressor (2), remove intake air filter (3) and check for damage or clogs.

If damaged or clogged, replace or clean (page 4-855).

Step 6.

Start engine (TM 9-2320-270-10). Build up air pressure until compressor

governor (4) cuts off compressor. Watch air pressure gage (5) and note

pressure recorded at cutoff. Cutoff pressure should be in accordance with

piece number of governor (105 to 125 psi). With engine still running, apply

and release brake several times to reduce air pressure and note reading

when governor cuts in compressor. Cut-in pressure must be in accordance

with piece number of governor (80 to 100 psi).

If governor (4) does not cut off and cut in according to piece number

figures, shut down engine (TM 9-2320-270-10) and replace

(page 4-851).

TA239718

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