Pump Initial Operation; Cam Ring Installation; Rotor Vane Installation - Dodge D150 1990 Service Manual

Rear wheel drive ram truck
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STEERING
19 - 51
VANES
PRESSURE
PLATE
* HOUSING
THRUST PLATE
PR2359A
Fig. 19 Pump Shaft, Cam Ring & Pressure
Plate
Installation
DOWEL
PIN
LOCATING
HOLES
PUMP
RING
ARROW
UP
Fig. 20 Cam Ring
Installation
(19) Position the fluid reservoir O - r i n g seal on t h e
p u m p housing (Fig. 25).
CAUTION: When installing the fluid reservoir, use
care to prevent damaging the O-ring seal. While ap-
plying pressure on the reservoir to "seat" it, guide
the seal into the seal grooves with a wooden or a
plastic tool.
(20) Lubricate the i n n e r edge of t h e fluid reservoir
w i t h petroleum j e l l y a n d position t h e reservoir on t h e
p u m p housing. Force t h e reservoir
d o w n w a r d t o
"seat" i t on t h e pump housing.
(21) Inspect the a l i g n m e n t o f the m o u n t i n g stud O-
r i n g seals (Fig. 25) after i n s t a l l i n g t h e fluid reser-
voir. Re-align the seals, i f necessary.
(22)
I n s t a l l t h e m o u n t i n g studs ( F i g . 25) and
t i g h t e n t h e m w i t h 48 N - m (35 ft-lbs) torque.
(23) I n s t a l l the O-ring seal on t h e pressure hose/
flow control valve f i t t i n g (Fig. 25) a n d i n s t a l l the fit-
ROTOR
VANE
J8919-99
Fig. 21 Rotor Vane Installation
t i n g i n t h e flow control valve bore. T i g h t e n the
f i t t i n g w i t h 55 N - m (40 ft-lbs) torque.
(24) I n s t a l l t h e pump shaft p u l l e y w i t h the appro-
priate i n s t a l l a t i o n tool (Fig. 26).
(25) I n s t a l l t h e pump on the engine. I f necessary,
refer to t h e i n s t a l l a t i o n procedure.
PUMP INITIAL
OPERATION
(1) F i l l t h e p u m p reservoir a n d operate the engine
u n t i l t h e power steering fluid reaches the n o r m a l op-
e r a t i n g temperature o f approximately 77°C (170°F),
t h e n stop t h e engine.
T u r n i n g the w h e e l s from
"stop-to-stop"
w i l l
a i d w i t h h e a t i n g the fluid. D o not h o l d the steer-
i n g w h e e l a g a i n s t the " s t o p " for a n extended pe-

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