TM 9-2350-238-10
WINTERIZATION KIT–CONTINUED
COOLANT HEATER OPERATION– CONTINUED
5 When light (4) comes on, immediately
move switch (6) to RUN position without
hesitating in OFF position.
6 Set HI-LO switch (7) for desired rate of
heating,
NOTE
If set for Hl, heater will
automatically go into low heat
when coolant temperature
reaches 220°F (105°C). LO
position is suitable for standby
operation when heater will be
used for an extended period of
time.
7 Shut heater off when engine is operating.
To shut heater off, turn switch (6) to off
position. Flame will extinguish in a few
moments as soon as fuel is purged.
Blower will operate for about 1 minute un-
til heater has cooled, then will stop. Light
will stay on until blower stops.
CAB HEATER OPERATION
1
2
3
4
5
6
Remove heater fuel filler cap (1) and add
diesel fuel to fill as required. Initial heater
capacity is 5 gal. (19 l). Replace filler cap.
Open the fuel shutoff cock (2).
Close air deflector (3) at base of heater to
deflect air to slip ring and hydraulic pumps.
Set vehicle master switch to ON.
Check that light (4) on heater control box
goes on when pressed.
Hold START-RUN switch (5) in START
position until light (4) comes on; then
move switch (5) to RUN position without
stopping in OFF position.
5-6
