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