TM-9-2320-387-24-1
TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1
DECEMBER 1997
CHANGE 1
TM-9-2320-387-24-1 - Page 705 of 1205
?M9-2320-387-24-l
I
3-79.
WATER CROSSOVER MAINTENANCE
This task covers:
a.
Removal
b.
Inspection
c.
Installation
INITIAL
SETUP:
Tools
General
mechanic’s
tool kit:
automotive
(Appendix
B, Item 1)
hIaterials/Parts
Equipment
Condition
l
Cooling
system
drained
(para. 3-61).
l
Fan temperature
switch removed
(para. 4-34).
l
Glow plug controller
removed
(para.
4-33).
l
Thermostat
removed
(para. 3-76).
Two gaskets
(Appendix
G, Item 68)
hlanual
References
ThI 9-2320-387-24P
nlaintenance
Level
Unit
1
a. Removal
1
1.
Loosen three clamps (2) and disconnect
hoses (1) from water
crossover
(4).
2.
Remove four capscrews
(61, water crossover
(41, and two gaskets
(7) from cylinder
head (81. Discard
gaskets
(7).
3.
Clean gasket surface
on water crossover
(4) and cylinder
head (8).
-1
Inspect
thermostat
bypass nipple (31, surge tank hose nipple (51, and water pump hose adapter
(9) for
cracks or breaks.
Replace if defective.
I
c. Installation
I
1.
Install
two gaskets
(7) and water crossover
(4) on cylinder
head (8) with four capscrews
(6). Tighten
capscrews
(6) to 25-35 lb-ft (34-48 N-m).
2.
Connect three hoses (1) to water crossover
(4) and tighten
clamps (2).
3-138
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