7. COLD AIR BLOWN FROM CAB HEATER.

TM-5-3805-262-20 Loader Scoop Type DED 4x4 Articulated Frame Steer 2-1/2 Cubic Yard (J.I. Case Model MW24C) Manual
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TM 5-3805-262-20 3-24. ACCESSORIES TROUBLESHOOTING (CONT) MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 6. CAB HEATER FAN NOT OPERATING (Cont). b. If 24 volts obtained, turn ignition key switch to off position and go to step 7 below. Step 7. Connect multimeter between HEATER FAN switch terminal to which white wire connected and chassis. Pull HEATER FAN switch knob completely out. Turn ignition key switch to on position. Multimeter shall indicate 24 volts. a. If multimeter indicates 24 volts, replace heater fan motor (page 10-28) . b. If multimeter does not indicate 24 volts, replace HEATER FAN switch (page 10-48). 7. COLD AIR BLOWN FROM CAB HEATER. Step 1. Check if engine is warm. a. If engine is not warm, allow engine to warmup before turning heater fan on. b. If engine is warm, go to step 2 below. Step 2. Remove engine side panels Check that heater turnoff (page 9-14). valves are opened. 3-168

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