TM 9-2350-261-20-1
COOLANT HEATER MALFUNCTIONS
INITIAL SETUP
Tools:
General Mechanics Tool Kit (Item 30, App D)
Digital Multimeter (Item 43, App D)
Electrical Connector Pliers (Item 44, App D)
Personnel Required:
Unit Mechanic
References:
See your -10
Equipment Conditions:
Engine stopped/shutdown (see your -10)
Equipment Conditions (cent):
Carrier blocked (see your -10)
Trim vane lowered (see your -10)
Power plant front access door open
(see your -10)
Ramp lowered (see your -10)
Driver’s power plant access panel removed
(see Your -10)
Power- plant rear access panels removed
(see your -10)
Heater on
Rear floor
Engine cold
HI (see your -10)
plates removed (page 24-37)
.
1. Depress HEATER ON indicator cover lens
(see Your -10).
2. Does-indicator light come on?
I
1. Release HEATER ON indicator.
2. Move HEATER SWITCH to START.
3. Does heater blower come on?
1. Does heater fuel pump come on?
1. Does coolant circulating pump come on?
1. Does HEATER ON indicator come on in less than
3 minutes?
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