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
Test 4 - Test Power Circuit for
TURN ON CONTINUED.
Open.
1. Turn ignition switch and
battery disconnect switch to
the OFF position (TM 5-
2410-241-10).
2. Disconnect harness con-
nector YY-C1 (WP 0018,
Figure 127) from harness
connector XY-C4 (WP
0018, Figure 128).
Voltage OK - Replace engine
3. Using digital multimeter,
test for voltage between
compartment arctic heater harness
harness connector XY-C4
terminal A and machine
Voltage Not OK - Proceed to next
ground.
step.
Voltage should be between 18-
26 Volts.
4. Disconnect harness
connector XY-C1 (WP
0018, Figure 131) from
harness connector MA-C21
(WP 0018, Figure 132).
Voltage OK - Replace platform
5. Using digital multimeter,
test for voltage between
arctic heater harness (WP 0290).
harness connector MA-C21
Voltage Not OK - Replace platform
(WP 0018, Figure 132) ter-
wiring harness (WP 0209).
minal 1 and machine
ground.
Voltage should be between 18-
26 Volts.
Test 5 - Test Ground Circuit.
1. Turn ignition switch and
battery disconnect switch to
the OFF position (TM 5-
2410-241-10).
2. Disconnect harness con-
nector YY-C1 (WP 0018,
FIgure 127) from harness
connector XY-C4 (WP
0018, Figure 128).
0286-6