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 TM 9-2320-285-24-1
2-73.
HEATERS MAINTENANCE (CONT)
a. Cab Heater Hoses and Temperature Valve (cont).
STEP
LOCATION
ITEM
ACTION
REMARKS
REMOVAL (cont)
6
c. Hoses (2 and 3)
a. Tag
(cont)
b. Disconnect
Pull from tees
d. Two clamps (11)
Remove
7
Cab tilt
Cab
Lower
To normal operating position
pump
8
Tractor
a. Two clamps (14)
Loosen
Use hose clamp pliers; slide
cab
clamps on defroster hoses
inside
b. Defroster hoses
Disconnect
Remove from cab
(12 and 13)
c. Two clamps (14)
Remove
Use hose clamp pliers
d. Two clamps (16)
Loosen
e. Hose (15)
a. Tag
d. Remove
From cab
f. Hose (21)
Disconnect
Pull from cab floor port
g. Two clamps (16)
Remove
From hoses (15 and 21)
h. Clamp (18)
Loosen
i. Hose (17)
Disconnect
Pull from temperature valve
(19)
j. Clamp (18)
Remove
k. Clamp (20)
Loosen
l. Hose (21)
Remove
Pull from temperature valve
(19)
m. Clamp (20)
Remove
n. Temperature
Disconnect
If necessary to replace temp-
control
from valve
erature valve (19); para
(19)
2-73b
o. Floor mat
Move
Pull back from heater
9
Heater
a. Two capscrews
Remove
Position assistant under cab
(27)
(22) nuts
floor to prevent
nuts (23)
(23) and lock
from turning
washers (24)
b. Two capscrews
Remove
(25) and
washers (26)
c. Connector
Disconnect
Pull from wiring harness plug
d. Heater (27)
Move
Slide on cab floor to gain
access to control cables
e. Defroster and
Disconnect
From heater (27); para 2-73b
fresh air
controls
2-816
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