CAB HEATER DOES NOT HEAT CAB - continued

TM 10-3930-673-20-1

WARNING

Always wear eye and hand protection when working on an air conditioning system or compressor. Liquid refrigerant can cause

frostbite and/or blindness.

CAUTION

Washing oil seals, electrical cables and flexible hoses with dry cleaning solvents or mineral spirits will cause serious damage or

destroy materials.

HEATER/AIR CONDITIONER SWITCH

VISUAL INSPECTION

Press cab heater/air conditioner switch to ON

position.

(a) If green switch light is ON and

blower functions, go to Step 2 of

this fault.

(b) If green switch light is not ON and

blower does not function, go to

Electrical System Trouble-shooting

Fault 29, Heater does not operate

and/or Fault 31, Cab blower does

not operate.

HEATER/AIR

BONDITIONER

SONDITIONER

LOWER SWITCH

ELECTOR SWITCH

TR01480

2-757