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 TM 9-2320-285-24-1
2-73.
HEATERS MAINTENANCE (CONT)
e.
Coolant Heater and Pump (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
DISASSEMBLY (cont)
k. Base (68)
Remove
Pull from hose (52)
l. Two clamps
Loosen and
Slide from hose (52)
(50 and 51)
remove
m. Hose (52)
Remove
8
Heater
a. Strain relief
Remove
Squeeze and pull from cover
assembly
(57)
(56) using pliers; then
(35)
separate from 3-wire cord
(55)
b. Two screws (53)
Remove
c. Cover (56)
Slide back
Slide over 3-wire cord (55)
until three screws (54)
are accessible
d. Three screws
Remove
(54)
e. 3-wire cord
a. Tag
(55)
b. Separate
Disconnect from heater ele-
ment (58); then pull from
cover (56)
f. Heater element
Remove
Unscrew from heater tank (62)
(58)
g. Plug (59)
Remove
From heater tank (62)
h. Six capscrews
Remove
From heater tank (62)
(60) and head
and valve
assembly (61)
9
Pump (31)
a. Electrical tape
Remove
From plastic tubing; note
locations for installation
b. Plastic tubing
Remove
Pull open at slits and remove
(44, 63, and
from 3-wire cords (45, 55,
64)
and 66)
c. Electrical tape
Remove
From wire connectors (65)
d. Three wire
Remove
Only if inspection indicates
connectors
replacement of pump (31) or
(65)
3-wire cords (45, 55, or
66) is necessary; cut wire
as close to connectors as
possible
e. 3-wire cords
Remove
(45 and 55)
f. 3-wire cord
Remove
(66) with
pump (31)
2-842
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