TM 5-2420-231-23-1
0030
Table 1. Heating and A/C Troubleshooting Procedures - Continued.
030
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Heater Does Not Blow
Test Step 6. Verify That Symptom Is
Warm Air When
Resolved.
Temperature Control Is
1. Start and operate machine until
Set to Maximum Heat -
engine reaches normal operating
Continued
temperature (TM 5-2420-231-10).
2. Turn blower fan switch (Figure 13,
Item 1) to each high speed setting
(TM 5-2420-231-10).
Figure 13. Blower Fan Switch.
0030