Setting Preheat Start Times into Memory

TM 9-2320-312-10

OPERATION UNDER UNUSUAL CONDITIONS - CONTINUED

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OPERATE IN EXTREME COLD - CONTINUED

Setting Preheat Start Times into Memory.

(1) Press preheat time set button (P) (8) until desired memory location (1) is displayed (three memory locations are

available).

Memory Location

Time and Day Display

Air Temperature Display

(Optional)

Heater ON Symbol

Forward Scan

Backward Scan

Heater On/Off

Preheat Time Set

Time Set

**NOTE

When vehicle lights are

on, timer display back-

light will also turn on.

(2) Using forward or backward scan (5 or 6), set desired preheat start time of day. When time stops flashing, time of

day is set.

(3) Using forward or backward scan (5 or 6), set desired day of week. When day of week stops flashing, day is set.

Operating Heater Using Preset Start Times.

(1) Press preheat time set button (P) (8) until desired memory location (1) is displayed. Heater will automatically

start at time and day displayed.

(2) The time and day display will go off in 15 seconds, but the memory location (1) number will remain on.

Turning Heater Off All Modes.

Press heater on/off button (7) once. Heat signal to heater will turn off. Heater will do a normal cool down, then

turn itself off.

OPERATE IN EXTREME HEAT

CAUTION

Limit unnecessary idling time to five minutes. Under no condition should idling time exceed a maximum of

10 minutes. Excessive idling can cause carbon buildup and damage to engine.

General. During very hot weather, driving procedures may require altering to prevent vehicle overheating. Avoid contin-

uous long, hard pulls. Allow engine to idle if it becomes overheated. If engine does not cool sufficiently after a maximum

of 10 minutes of idling, shut down and notify Unit Maintenance.

Driving Vehicle.

Check coolant temperature gauge and stop if temperature is unusually high. Allow vehicle to cool down.

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