Bendix Commercial Vehicle Systems C-300N HYDRAULIC POWER STEERING1/99 - Manual (Page 22)

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FIGURE 47 - BALL TUBE STYLES
PISTON
ITEM 23
FIGURE 48 - INSTALLING BALLS IN OLD STYLE BALL
RETURN TUBE
FIGURE 46 - RESHAPING THE PISTON GLIDE RING
(5) should be filled with the high temperature grease
provided in the Bendix maintenance kits.
PISTON REASSEMBLY
13. Install one of the two steering limiting valve seats (17)and
its sealing washer (18), into the piston (23). Insert one
of the two balls(9) then the valve spring (16) into the
piston from the opposite end and install the remaining
ball (9), sealing washer (18), and seat (17) in the piston.
Taking care not to damage the valve seats (17), torque
each to between 88 and 132 pound inches. Figure 27.
14. Install the O-ring (15) into its groove in the piston (23).
Figure 26.
15. Thoroughly heat the glide ring (14) to between 285° and
320° F in preparation for installation on the piston. Note:
DO NOT USE AN OPEN FLAME to heat the glide ring.
A heat lamp or a similar device should be used.
16. Install the heated glide ring (14) over the O-ring (15) in
the piston’s groove (23).
IMPORTANT!
The glide ring should be distorted as little as possible
during installation. Using an automotive piston ring
compression tool or a smooth piece of sheet metal and
an appropriately large screw type hose clamp, reshape
the glide ring into the piston groove. Allow approximately
ten minutes cooling time before removing the
compression tool from the piston. Figure 46.
17. Install the O-ring (37) in its groove in the ball return
opening of the piston (23). Figure 24.
18. CAUTION: The UTMOST care must be taken with the
following steps. Incorrect assembly of this group of parts
can cause damage to the parts and failure of the gear
to operate properly.
Two different style return tubes (35) have been used
for the C-300N and C-500N power steering gears.
STRIP OF SHEET
METAL OVERLAPPING
ITSELF AND ON TOP
OF GLIDE RING
HOSE
CLAMP
BALL
FEED
OPENING
OLD STYLE NEW STYLE