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
4. Inspect heater control gears (Fig-
Heater Control OK - Proceed to step 5.
Warm Air When
ure 7, Item 1) for wear and dam-
Heater Control Worn or Damaged -
Temperature Control Is
age.
Replace heater control (WP 0356).
Set to Maximum Heat -
Proceed to Test Step 6.
Continued
5. Inspect heater control cable (Fig-
Heater Control Cable OK - Proceed to
ure 7, Item 2) for kinks, damage, or
step 6.
breaks.
Heater Control Cable Kinked,
Damaged, or Broken - Replace heater
control cable (WP 0357).
Proceed to Test Step 6.
Figure 7. Heater Control and Cable.
0030
6. Remove front instrument panel
right-side cover (WP 0176).