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TM 10-3930-643-20
ENGINE, FUEL, EXHAUST AND TROUBLESHOOTING AND MAINTENANCE. (cont)
4-27.
Radiator Assembly. (Sheet 4 of 4)
FILLING
NOTE
16.
17.
18.
19.
20.
Maximum cooling system capacity is
approximately 60 quarts.
S l o w l y f i l l r a d i a t o r ( 9 ) w i th
c o o l a n t . A l l o w a l l a i r t o e s c a p e.
Start engine and run approximately
one minute, then stop.
Read sight gage (10) located at top
rear of vehicle.
Add coolant in radiator (9) until
proper level.
Refer to TM 750-254.
Install radiator cap (3).
TESTING
1.
2.
3.
4 .
NOTE
. Radiator cap must seat properly
on filler neck of radiator.
. Be sure radiator cap is thor-
oughly clean before testing.
Remove radiator cap (3) and check
valves and seating surfaces for any
damage or wear.
Wet rubber seals of radiator cap (3)
and install on
r a d i a t o r p r e s s u re
t e s t e r .
Operate tester pump and observe
h i g h e s t p r e s s u r e g a g e r e a d i n g.
Release pressure should be within 12
to 15 psi. Allow maximum pressure
reading to remain on gage and watch
for a pressure drop.
R e i n s t a l l r a d i a t o r c a p ( 3 ) if
pressure is held for 30 seconds or
m o r e . I f p r e s s u r e d r o p s q u i c k l y,
install a new radiator cap (3).
NOTE
Return M10A Forklift to original
equipment condition.
END OF TASK
4-116
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