TM 5-2410-241-23-3
0286
Table 1. Arctic Kit Troubleshooting Procedures for the D7R Dozer - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. ARCTIC HEATER DOES NOT
Voltage OK - Proceed to next step.
5. Using digital multimeter,
TURN ON CONTINUED.
test for voltage between
Voltage Not OK - Proceed to
harness connector B2 ter-
Test 5.
minal A3 and terminal A2
(WP 0018, Figure 18).
Voltage should be between 18-
26 Volts.
Voltage OK - Arctic heater faulty,
6. Using digital multimeter,
test for voltage between
replace arctic heater (WP 0291).
harness connector B2 ter-
Voltage Not OK - Proceed to
minal C4 (WP 0018, Figure
Test 6.
18) and machine ground.
Voltage should be between 18-
26 volts.
Test 3 - Test Power Circuit
For Short.
1. Disconnect harness con-
nector XX-C2 (WP 0018,
Figure 120) from arctic
heater switch (WP 0018,
Figure 119) (WP 0290).
2. Install new Auxiliary PWR
Unswitched 15a fuse (TM
5-2410-241-10).
3. Turn battery disconnect
switch to the ON position
(TM 5-2410-241-10).
Fuse Open - Proceed to next step.
4. Inspect the Auxiliary PWR
Unswitched 15a fuse.
Fuse OK - Replace arctic heater
harness switch (WP 0290).
5. Disconnect harness con-
nector XX-C1 (WP 0018,
Figure 129) from harness
connector XY-C3 (WP
0018, Figure 130).
6. Install new Auxiliary PWR
Unswitched 15a fuse (TM
5-2410-241-10).
Fuse Open - Proceed to next step.
7. Inspect the Auxiliary PWR
Unswitched 15a fuse.
Fuse OK - Replace arctic heater
0286-4