?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
