TM 5-2410-241-23-1
0022
Table 1. Cab Troubleshooting Procedures - Continued.
0022
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Blower Motor Does NOT
75. Using digital multimeter (WP
1. If continuity is found, replace
Function in One or More
0296), test for continuity between
blower motor switch (WP 0262).
Speeds - Continued
pin 6 on instrument panel harness
Ensure all harness connectors
blower motor speed switch con-
are reconnected. Verify correct
nector E-C2 (WP 0018, Figure
operation of machine (TM 5-2410-
171) and pin 3 on instrument
241-10).
panel harness connector E-C14
2. If continuity is NOT found, replace
(WP 0018, Figure 166).
instrument panel harness (WP
0260). Ensure all harness con-
nectors are reconnected. Verify
correct operation of machine (TM
5-2410-241-10).
76. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
77. Disconnect blower motor harness
blower motor connector EE-C4
(WP 0018, Figure 175) from
blower motor.
78. Using digital multimeter (WP
1. If continuity is found, verify correct
0296), test for continuity between
operation of blower (TM 5-2410-
pin 3 on blower motor harness
241-10).
connector EE-C8 (WP 0018, Fig-
2. If continuity is NOT found, replace
ure 167) and pin 2 on blower
blower motor harness (WP 0219).
motor harness blower motor con-
Ensure all harness connectors
nector EE-C4 (WP 0018, Figure
are reconnected. Verify correct
175).
operation of machine (TM 5-2410-
241-10).
No Power with Ignition
1. Turn battery disconnect switch
1. If no power with ignition switch
Switch ON
and ignition switch to ON position
ON, proceed to step 2.
(TM 5-2410-241-10).
2. If ignition switch operation is OK,
problem does NOT exist at this
time. Resume normal operation.
2. Turn ignition switch and battery
disconnect switch to OFF position
(TM 5-2410-241-10).
3. Check batteries (WP 0030).
1. If batteries are OK, proceed to
step 4.
2. If batteries are NOT OK, replace
batteries (WP 0157). Verify cor-
rect operation of machine (TM 5-
2410-241-10).