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
2. Arctic Heater Turns ON
5. Turn arctic heater switch ON
Arctic Fuel Metering Pump Turns
and Shuts Down -
(TM 5-3805-298-10) and verify
ON - Proceed to step 6.
Continued
arctic fuel metering pump is
Arctic Fuel Metering Pump Does Not
activated.
Turn ON - Proceed to Arctic Heater
Does Not Turn On in this work package.
6. Perform Arctic Heater Fuel Flow
Fuel Flow Between 6.5 mL and
Test (WP 0396).
8.25 mL - Fuel pump ok, replace arctic
heater (WP 0402).
Proceed to Test Step 2.
Fuel Flow Greater Than 8.25 mL -
Replace arctic fuel metering pump
Proceed to Test Step 2.
Fuel Flow Less Than 6.5 mL -
Proceed to step 7.
7. Inspect fuel metering pump
Arctic Fuel Metering Pump Hoses
(Figure 6, Item 3), and hoses
and Clamps OK - Replace arctic fuel
(Figure 6, Items 1, and 5) for sharp
metering pump (WP 0404).
bends, kinks, restrictions, damage,
Proceed to Test Step 2.
and loose clamps (Figure 6,
Arctic Fuel Metering Hose Bent,
Items 2 and 4).
Kinked, Restricted, or Loose Clamps
- Tighten clamps, or replace arctic fuel
metering pump hose (WP 0404).
Proceed to Test Step 2.
Figure 6. Fuel Metering Pump and Hose.
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