Bendix Commercial Vehicle Systems C-300N HYDRAULIC POWER STEERING1/99 User Manual

Page 20

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FIGURE 43 - INSTALLING SPINDLE ASSY. BALL BEARINGS

FIGURE 42 - FORMING VALVE BODY TEFLON RING & O-

RING

seat will result in malfunction of the relief valve and

damage to the valve piston and seat.

4. Install the pressure adjusting shims (41) and the seal

washer (44) on the plug (42). Install the plug in the

valve body and torque to between 66 and 73 pound feet

using a 26mm socket. Note: When installing the
pressure adjusting shims
(41) use the shims that were

removed during disassembly. However, if a complete

rebuild of the power steering gear is underway, it may
be necessary to add or subtract shims in order to

properly set the pressure relief valve. Figure 40

5. Install the three O-rings (11) and three Teflon rings (10)

in the appropriate grooves in the valve body(7). Form

(expand) the Teflon rings into their grooves by ‘pushing’

Bendix tool 297676 through the bore of the valve body.
Note: Prelubricate the tool with a light film or lithium

base grease. The spindle assembly can be used to

assist in pushing the tool through the bore. Figure 42 &
38

6. Install the two O-rings (12) on the valve body (7). Figure

38

7. Install the ball cage (6) over the input shaft end of the

spindle assembly (3). Using a general purpose lithium
base grease to hold them in place, install the seventeen

balls (9) in the ball cage. Figure 43

8. Install the outer ball bearing race half (8) over the input

shaft end of the spindle assembly (3) and insert the

spindle assembly through Bendix tool 297676. Insert

the spindle and tool into the valve body (3) until tool
completely exits the other side and the seventeen balls

(9) of the bearing assembly are resting against the outer

race (8) in the valve body. Figure 44

9. Position the pressure side of the seal (5) in the bore of

the non-pressure side of the valve nut(1). Carefully drive

the seal into the bore until the retaining ring groove
within the bore is visible. Install the retaining ring (50)

making certain it is completely seated in the groove.

After installing the retaining ring, gently tap the seal (5)
from the opposite side until it rests squarely against the

snap ring (50). Note: The seal (5) can be driven into

the valve body bore using a piece of round brass stock
with a diameter of 1.55 inches. Figure 45

10. Apply Loctite 932 or 567 to the tread of the valve nut (1)

Note: Due to the proximity of the spindle ball bearing,
use extreme care in applying the Loctite to the valve

nut threads and allow adequate cure time. Making

certain not to damage the seal (5), install the valve nut
(1) over the input shaft end of the spindle assembly (3)

and into the valve body (7). Using Bendix tool 106234,

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