TM 5-2410-241-23-1
0022
Table 1. Cab Troubleshooting Procedures - Continued.
0022
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Little or No Warm Airflow
1. Open left engine panel (TM 5-
when Heater Control is
2410-241-10).
Set for Maximum Heat-
ing
2. With an assistant, rotate tempera-
If cable does NOT extend or tempera-
ture control from full warm to full
ture control is difficult to operate,
cold (TM 5-2410-241-10) while
remove instrument cluster (WP 0262)
observing the water valve and
and inspect cable attachment to tem-
cable. Cable should fully extend
perature control valve for stripped and
and water valve should move
damaged components.
through full range.
a. If any components are
damaged, replace
temperature control (WP
0262). Verify correct
operation of machine (TM 5-
2410-241-10).
b. If components are OK,
replace water valve (WP
254). Verify correct operation
of machine (TM 5-2410-241-
10).
N OT E
A/C Compressor will Not
Engage
This test assumes A/C system is properly charged. If A/C charge is sus-
pected, refer to A/C and Heating System Tests, Inspections, and Adjust-
ments (WP 0036) and verify A/C charge.
1. Start engine (TM 5-2410-241-10).
2. Verify operation of A/C system
1. If A/C system does NOT operate,
(TM 5-2410-241-10).
proceed to step 3.
2. If A/C operates fine, problem does
NOT exist at this time. Resume
normal operation.
3. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
4. Disconnect A/C compressor har-
ness connector CH-C3 (WP 0018,
Figure 161) from A/C compressor
clutch.