TM 5-3805-298-23-4
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Table 1. Arctic Troubleshooting Procedures - Continued.
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MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Arctic Heater Does Not
3. Inspect arctic heater exhaust tube
Arctic Heater Exhaust Tube OK -
Heat Up - Continued
(Figure 2, Item 2) for kinks, bends,
Proceed to step 4.
damage, and restrictions.
Arctic Heater Exhaust Tube Kinked,
Bent or Damaged - Replace arctic
heater exhaust tube (WP 0402).
Proceed to Test Step 2.
Arctic Heater Exhaust Tube
Restricted - Clear restriction from arctic
heater exhaust tube.
Proceed to Test Step 2.
4. Inspect arctic heater fresh air
Arctic Heater Fresh Air Intake OK -
intake port (Figure 2, Item 1) for
Proceed to step 5.
damage or restrictions.
Arctic Heater Fresh Air Intake
Damaged - Replace arctic heater
Proceed to Test Step 2.
Arctic Heater Fresh Air Intake
Restricted - Clear restriction from arctic
heater fresh air intake.
Install right lower cab access panel
(WP 0347).
Proceed to Test Step 2.
Figure 2. Arctic Heater Intake Port and Exhaust Tube.
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