TM 5-3805-281-24-1
Operational Checkout Procedure
EVAPORATOR CORE
Engine ON.
YES: Go to next check.
CHECK
Blower switch on high
NO: Repair, replace, or
clean evaporator.
Is air from ducts cool and air flow good?
9005
Is water dripping from evaporator drain hose?
10
25
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CONDENSER CHECK
Engine OFF.
YES: Go to next check.
Inspect condenser cores.
NO: Clean, repair, or
replace condenser core.
Replace engine fan.
Is condenser core free of dirt or debris?
Does condenser show signs of leakage, dust accumulation or oily areas?
Are condenser fins straight, not bent or damaged?
Inspect engine fan. Are fan blades in good condition, not worn, bent, broken, or
missing?
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COMPRESSOR CLUTCH
Engine OFF.
YES: Go to next check.
CHECK
Key switch ON.
NO: Replace compressor
clutch. Go to Group 1830.
Blower switch on LOW.
Air conditioner switch ON.
Does compressor clutch "click" as switch is pushed?
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7 SEAT, DOORS, WINDOWS, LATCHES, AND LOCKS CHECKS
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