USING WINTERIZATION KIT- Continued
Operating Coolant Heater
1.
2.
3.
Turn HI-LO switch (1) to HI.
Hold START-RUN-OFF switch (2) at
START.
Indicator lamp (3) will light, indicating heater
is operating. Immediately move switch (2) to
RUN position without hesitating in OFF po-
sition.
TM 9-2350-267-10
4. Set switch (1) for desired rate of heat. If set at Hl, heater will automatically
go on to low heat when coolant temperature reaches 190° F. If coolant
temperature falls below 120° F heat control will return to high. LOW posi-
tion is suitable when heater must burn for an extended period of time.
NOTE
After heater starts, it will continue working as long as you
have fuel, electric current, air and a flow of engine coolant.
Heater will automatically stop if coolant temperature
reaches 245° F. Heater maybe restarted by following start-
ing procedure (steps 1 through 4).
5. To stop heater, place switch (2) in OFF. Heater will go in purge cycle. Fuel
will shut off and burning will stop when remaining fuel in heater is ex-
hausted. Blower will run at low speed until heater is cool and then heater
will shut down.
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