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Page Title:
AIR CONDITIONER DOES NOT COOL CAB - continued |
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 TM 10-3930-673-20-1
26. AIR CONDITIONER DOES NOT COOL CAB (CONT).
4
KNOWN INFO
TEST OPTIONS
Air conditioner does not cool cab.
Visual inspection.
Are condenser fins free to
Light ON, switch OK.
REASON FOR QUESTION
radiate captured heat? Is
Air conditioner belt OK.
If condenser is obstructed or
condenser free from signs of
Lines and fittings OK.
damaged, condenser will not
damage?
POSSIBLE PROBLEMS
function.
Condenser obstructed, damaged.
Filter-drier blocked, faulty.
Evaporator obstructed, damaged.
Compressor faulty.
Clean dirt and
debris from
NO
condenser fins, or
replace damaged
condenser.
YES
5
KNOWN INFO
TEST OPTIONS
Air conditioner does not cool cab.
Visual inspection.
Is there an adequate flow of
Light ON, switch OK.
REASON FOR QUESTION
air across evaporator fins? Is
Air conditioner belt OK.
If evaporator in cab is obstructed or
evaporator free from signs of
Lines and fittings OK.
damaged, evaporator will not
Condenser OK.
damage?
function properly.
Filter-drier OK.
POSSIBLE PROBLEMS
Evaporator obstructed, damaged.
Compressor faulty.
Clean evaporator
fins or replace
NO
damaged
evaporator.
YES
2-766
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