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TM 5-2420-232-10
SUPPORTING INFORMATION
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SPK ARCTIC HEATER
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DESCRIPTION
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The arctic heater is used to warm the engine coolant in extreme temperatures of -26F to -40F (-32C to -40C).
OPERATOR SAFETY/WARNING
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WARNING
Ensure arctic heater starts before leaving the area or injury or death to personnel can occur.
OPERATION
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NOTE
It could take up to 3 minutes for arctic heater to start.
After preparing the machine for extreme cold shutdown, turn on arctic heater as follows:
1.
Turn master battery switch to ON (WP 0004).
2.
Turn arctic heater switch to ON (WP 0004).
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