TM 9-2350-247-20-1
COMPRESSOR OPERATION TOO NOISY (M548A1)—Continued
0102 00
3Y
1. Check for woodruff key or channel wear in either pulley (1) or
shaft (2) (WP 0499 00).
2. Are woodruff key or channels showing signs of wear?
YES
NO
3YN
1. Replace compressor, if pulley, shaft,
or woodruff key is damaged
(WP 0489 00).
2. Verify no faults found.
4Y
1. Check drive pulley (1) for snug fit on shaft (2).
2. Is drive pulley (1) snug on shaft (2) (WP 0499 00)?
YES
NO
4YN
1. Replace compressor, if pulley turns
on shaft (WP 0489 00).
2. Verify no faults found.
0102 00-3
