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STEERING
19 - 33
O-RING
SEAL
J8919-51
Fig. 28 Rack Piston
INNER RETURN
GUIDE HOLE
J8919-52
Fig. 29 Recirculating Ball Installation
(8) Mate t h e t w o half-guides and insert t h e assem-
bled b a l l r e t u r n guide i n t o t h e guide holes i n t h e
rack piston.
(9) I n s t a l l t h e b a l l r e t u r n guide clamp, t h e lock-
washers
a n d t h e r e t a i n i n g
screws.
T i g h t e n t h e
screws w i t h 14 N*m (10 ft-lbs) torque.
(10) Insert a n arbor tool ( F i g . 31) i n t o t h e w o r m -
shaft and position t h e end of the assembled rack pis-
t o n ( w i t h tool) o n wooden blocks. Ensure t h a t t h e
rack piston i s supported w i t h wooden blocks after i t
is inverted ( F i g . 31).
BALL
RETURN
GUIDE
J8919-53
Fig. 30 Ball Return Guide
(11) Do n o t p e r m i t t h e tool to separate from t h e
wormshaft u n t i l t h e rack piston is completely i n -
stalled on t h e wormshaft.
ARBOR
18919-54
POWER STEERING
GEAR-ASSEMBLY
A l l components must be clean and lubricated w i t h
power steering fluid (except as stated otherwise) be-
fore assembly.
(1) Clamp t h e steering gear housing i n a vise w i t h
the p i t m a n shaft bore facing downward. Use t h e u n -
machined housing bosses for t h e clamping pads (Fig.
32).
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