TM 5-3805-298-23-1
0119
Table 1. Blower Motor Does Not Operate in One or More Speeds - Continued.
0119
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Using digital multimeter
Blower Motor Does Not
Voltage 18 to 26 V Replace heater
(WP 0174), measure voltage
Operate in One or More
A/C switch (WP 0264).
between connector C-C16
Speeds - Continued
Proceed to Test Step 18.
(WP 0012, Figure 121) terminal 2
Less Than 18 V Replace lower cab
and ground.
wiring harness (WP 0291).
Proceed to Test Step 18.
Test Step 18. Verify Malfunction Is
Resolved.
1. Ensure all harness connectors are
connected.
2. Install console instrument panel
(WP 0264).
3. Install pedestal and seat assembly
(WP 0355).
4. Turn battery disconnect switch and
ignition switch to ON position
(TM 5-3805-298-10).
5. Turn heater A/C switch to A/C ON
(TM 5-3805-298-10).
Fan Operates in All Speeds -
6. Turn blower switch to I, II, and III
Proceed to step 7.
(TM 5-3805-298-10) and test
output of blower fan.
Fan Does Not Operate in One or More
Speeds - Repeat troubleshooting from
the beginning.
7. Turn heater A/C switch to heater
ON (TM 5-3805-298-10).
8. Turn blower switch to I, II, and III
Fan Operates in All Speeds -
(TM 5-3805-298-10) and test
Troubleshooting complete.
output of blower fan.
Fan Does Not Operate in Any Speed
- Repeat troubleshooting from the
beginning.
END OF WORK PACKAGE
0119-9/(10 blank)