TM 5-2410-240-23-1
0021
Table 1. Cab Troubleshooting Without Codes. - Continued.
0021
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. HVAC Blower Motor Does Not
3. Remove two thumbscrews,
Function in One or More Speeds
HVAC filter cover and filter
- Continued
from left side armor panel.
Figure 26. Inside Cab Filter.
0021
4. Reconnect harness connector
C-C44 (WP 0018, Figure 33)
from AC-C1 (WP 0018,
Figure 1).
5. Reconnect harness connector
C-C74 (WP 0018, Figure 45)
from AC-C4 (WP 0018,
Figure 272).
6. Disconnect harness connec-
tor AC-C2 (WP 0018,
Figure 2) from A/C blower
motor.
7. Turn battery disconnect switch
and ignition switch to ON posi-
tion (TM 5-2410-240-10).
8. Using digital multimeter, mea-
Voltage Less Than Specified
sure for voltage (WP 0283)
Range - Proceed to step 9.
between harness connector
Voltage Within Specified Range -
AC-C2 (WP 0018, Figure 2)
Replace A/C blower motor
terminal 1 and 2.
(WP 0245). Ensure all harness
There should be approximately 7
connectors are reconnected. Verify
to 9 volts.
proper operation of machine (TM
5-2410-240-10).
