TM 5-3810-306-34
TABLE 3-1. DIRECT AND GENERAL SUPPORT TROUBLESHOOTING (CONTD)
Malfunction
Test or Inspection
Corrective Action
75.
CAB HEATER STARTS AFTER SWITCHING ON SEVERAL TIMES
Step 1. Defective glow plug.
a.
Check glow plug. If OK, do Step 2.
b.
Replace glow plug. (Refer to page 12-2.)
Step 2. Fuel (Dosing) pump failure.
a.
Check fuel (dosing) pump deliver rate. (Refer to page 12-8.)
b.
Replace pump. (Refer to page 12-8.)
76.
NO CAB HEATER IGNITION VOLTAGE
Step 1. Defective glow plug.
a.
Check glow plug.
b.
Replace glow plug. (Refer to page 12-2.)
77.
CAB HEATER MOTOR DOES NOT START
Step 1. Motor drive assembly failure.
a.
Replace motor drive assembly. (Refer to page 12-2.)
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