DRAFT
TB 9-2320-364-13&P-1
AC COMPRESSOR EXCESSIVELY NOISY - Continued
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4.
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KNOWN INFO
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AC operates.
TEST OPTIONS
AC compressor not damaged.
Visual inspection.
Engine accessory drive assembly OK.
Is AC compressor belts tight
REASON FOR QUESTION
and free from damage?
AC compressor mounting brackets OK.
If AC compressor belts are
POSSIBLE PROBLEMS
loose or damaged, or AC
compressor is damaged
AC compressor belts loose or damaged.
internally, AC compressor
AC compressor faulty.
may be excessively noisy.
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Tighten or replace AC
compressor belts as
NO
required (WP 0020).
Verify repair, go to
Step 5 of this fault.
YES
Recover R-134a refrigerant
(WP 0053). Flush system
(WP 0053). Then replace AC
compressor (WP 0022) and
AC condenser dryer
(WP 0024). Evacuate and
charge system with new
R-134a refrigerant
(WP 0053). Verify repair, go
to Step 5 of this fault.
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WARNING
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KNOWN INFO
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Read WARNING on
AC operates.
TEST OPTIONS
(0013-8 blank).
AC compressor not damaged.
Verify repair.
Engine accessory drive assembly OK.
REASON FOR QUESTION
AC compressor mounting brackets OK.
Is AC compressor free from
If AC compressor is
AC compressor belts OK.
excessive noise?
excessively noisy, fault
AC compressor OK.
was not corrected.
POSSIBLE PROBLEMS
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None
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Fault not corrected,
NO
notify Supervisor.
YES
Fault corrected.
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0013-6