DRAFT
TB 9-2320-364-13&P-1
AC COMPRESSOR EXCESSIVELY NOISY - Continued
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2.
KNOWN INFO
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TEST OPTIONS
AC operates.
Visual inspection.
AC compressor not damaged.
Is engine accessory drive
REASON FOR QUESTION
POSSIBLE PROBLEMS
assembly secure and free
If engine accessory drive
Engine accessory drive assembly loose or
from damage?
assembly is loose or
damaged.
damaged, AC compressor
AC compressor mounting bracket damaged
may be excessively noisy.
or hardware missing or loose.
AC compressor belts loose or damaged.
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AC compressor faulty.
Tighten or replace
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engine accessory
NO
drive assembly
(WP 0049). Verify
repair, go to Step 5
of this fault.
YES
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3.
WARNING
KNOWN INFO
TEST OPTIONS
Read WARNING on
AC operates.
Visual inspection.
AC compressor not damaged.
REASON FOR QUESTION
Engine accessory drive assembly OK.
If AC compressor mounting
Is AC compressor mounting
POSSIBLE PROBLEMS
bracket hardware is
bracket hardware secure and
damaged, loose, or
AC compressor mounting bracket damaged
free from damage?
missing, AC compressor
or hardware missing or loose.
may be excessively noisy.
AC compressor belts loose or damaged.
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AC compressor faulty.
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Tighten or replace
loose, missing, or
damaged hardware
NO
(WP 0021). Verify
repair, go to Step 4 of
this fault.
YES
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0013-4