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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
INSPECTION
11
a. All hoses
Inspect
Replace if cracked, frayed,
split, or deteriorated
b. All clamps
Inspect
Replace if cracked, worn, or
broken
c. Heater (27)
Inspect
Repair if defective (notify
direct support maintenance)
d. All other parts
Inspect
Replace if cracked, broken,
or threads damaged
INSTALLATION
12
Heater
a. Heater (27)
Position
On cab floor
(27)
b. Bracket (30),
Install
plate (29),
and two cap-
screws (28)
c. Fresh air and
Connect
To heater (27); para 2-73b
defroster
controls
d. Two washers
Install and
(26) and cap-
tighten
screws (25)
e. Two capscrews
Install and
Position assistant under cab
(22), lock
tighten
floor to prevent nuts (23)
washers (24),
from turning
and nuts (23)
f. Connector
Connect
Push onto wiring harness plug
NOTE
If hoses were removed, proceed to step 13 below. Otherwise, proceed
directly to step 17 below.
13
Tractor
a. Two clamps (16)
Position
On hoses (15 and 21)
cab,
b. Hoses
Connect
To cab floor ports, as tagged
inside
(15 and 21)
c. Two clamps (16)
Tighten
d. Clamp (20)
Position
On hose (21)
e. Temperature
Install
In hose (21), with clamp for
valve (19)
control cable at top
f. Clamp (20)
Tighten
g. Clamp (18)
Position
On hose (17)
h. Hose (17)
Connect
To temperature valve (19)
i. Clamp (18)
Tighten
2-818
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