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TM 10-3930-643-20
STEERING TROUBLESHOOTING AND MAINTENANCE.
10-6.
Ground Driven Steering Pump (S/N 2000 and below). (Sheet 8 of 8)
TESTING
Select an area for testing clear
o f
a l l
personnel
and
obstructions. Area
s h o u l d be
level or have a slight downhill
grade of 10% maximum. Vehicles
service and parking brakes should
be in good operating condition
prior to conducting test.
47.
Start engine.
48.
Place transmission control lever in
forward and attain speed of approxi-
mately 10 mph.
49.
T u r n e n g i n e o f f a n d s h i f t
transmission to neutral.
50.
While coasting, steer vehicle fully
to left and right. Ground driven
steering
system
should provide
normal steering effort and response
when engine is off. Steering effort
will increase and response will
become slower as vehicles
ground
speed decreases.
51.
Repeat test to verify system effort
and response.
NOTE
If ground driven steering pump
does not perform as indicated
a b o v e , c h e c k i n s t a l l a t i o n of
hose to check valve at steering
v a l v e i n l e t p o r t , r e f e r t o
p a r a g r a p h 1 0 - 9 . I f s y s t em
still does not respond, ground
driven steering pump check
valve must be replaced, notify
Direct Support.
Return
M 1 0 A F o r k l i f t t o
original equipment condition.
END OF TASK
10-31
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