TM 9-2350-247-20-1COMPRESSOR OPERATION TOO NOISY (M548A1)—Continued 0102 005Y1. 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)?YESNO5YN1. Replace compressor, if pulley is notsnug against collar (WP 0489 00).2. Verify no faults found.6Y1. Disconnect oil discharge hose (1) at engine filler tube (2) andplace over suitable container to catch oil.2. Start engine (see your -10).3. Is oil flow a steady, smooth stream equal with engine speed?YESNO6YN1. Stop engine (see your -10).2. Replace compressor (WP 0489 00).3. Verify no faults found.0102 00-4
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