TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 COMPRESSOR OPERATION TOO NOISY (M548A1)—Continued 0102 00 5Y 1. Make sure pulley (1) is flush against collar (2) when retaining nut (3) is tight (WP 0499 00). 2. Is pulley (1) tight against collar (2)? YES NO 5YN 1. Replace compressor, if pulley is not snug against collar (WP 0489 00). 2. Verify no faults found. 6Y 1. Disconnect oil discharge hose (1) at engine filler tube (2) and place over suitable container to catch oil. 2. Start engine (see your -10). 3. Is oil flow a steady, smooth stream equal with engine speed? YES NO 6YN 1. Stop engine (see your -10). 2. Replace compressor (WP 0489 00). 3. Verify no faults found. 0102 00-4