TM-9-2320-280-10
TRUCK, UTILITY: M998 SERIES
OPERATOR’S MANUAL
JANUARY 1996
TM-9-2320-280-10 - Page 287 of 405
TM 9-2320-280-10
Table 3-1.
Troubleshooting (Cont'd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
30.
POOR HEATING, VENTILATING, OR AIR-CONDITIONING PERFORMANCE
Step 1.
Ensure that operating controls are properly set.
Set operating controls (para.
2-61).
Step 2.
Inspect HVAC filters for excessive dust, dirt, or debris.
Service HVAC filters (para.
3-28).
Step 3.
Inspect HVAC fuses for a blown or missing fuse.
Notify unit maintenance.
Replace fuse (para.
2-61).
Step 4.
Other causes.
Notify unit maintenance.
3-9
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