AC DOES NOT COOL OR COOLS INADEQUATELY - continued

DRAFT

TB 9-2320-364-13&P-1

AC DOES NOT COOL OR COOLS INADEQUATELY - Continued

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WARNING

22.

KNOWN INFO

Read WARNING on

Power to AC system OK.

page 0015-35/

AC heater/evaporator blower OK.

(0015-36 blank).

TEST OPTIONS

AC control circuit OK (except for temperature

control and low pressure switches).

Verify repair.

Does AC system provide

No AC condenser dryer desiccant

adequate cooling?

contaminant in AC refrigerant system.

REASON FOR QUESTION

No AC refrigerant oil contaminant in AC

If AC system provides

refrigerant system.

adequate cooling, fault

AC system charge is not low.

has been corrected.

No AC system leaks.

No restricted AC hoses.

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AC compressor OK.

Fault not corrected,

Temperature control switch OK.

notify Supervisor.

AC expansion valve OK.

No moisture in AC refrigerant system.

YES

No air or other contaminant in AC refrigerant

system.

AC condenser core OK.

AC system not overcharged.

AC condenser dryer OK.

AC evaporator core OK.

Fault corrected.

Low pressure switch OK.

POSSIBLE PROBLEMS

None

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0015-34