Simplicity AGCO Allis 2000 Series, Service & Repair Manual

Page: 311 / 312

20 - 7
20 Power Steering Unit Service
Reassembly
Dust Seal
Quad Seal
Thrust Bearing
and Race (2)
Figure 8. Seal Placement
3/4" Max.
Figure 9. Clamp Housing
8. Put the thrust bearing and races into the housing.
The thrust bearing goes between the two races, see
figure 6.
9. Apply a light coating of clean hydraulic fluid to the
spool and sleeve assembly and slide it into the hous-
ing.
IMPORTANT: Do not damage the dust or quad
seals.
10. Clamp the housing in a vise (3/4" maximum) as
shown in figure 9. Use just enough clamping force to
hold the housing securely.
11. Lubricate and install a new o-ring seal in the groove
in the housing.
12. Install the wear plate and align the holes in the wear
plate with threaded holes in the housing.
NOTE: The holes in the wear plate are symmetrical.
13. Install the drive, be sure the slot in the drive engages
the pin.
14. Lubricate and install a new o-ring seal in the groove
in the wear plate.
15. Install the gerotor and align the screw holes.
16. Lubricate and install a new o-ring seal in the groove
in the gerotor ring.
17. Lubricate and install a new o-ring and seal ring in the
groove in the gerotor star.
18. Install the spacer.
19. Install the end cap and 7 capscrews. Tighten the cap-
screws, in a criss-cross pattern, to 16 - 18 Nm
(140 -160 lb-in).
20. Remove the SCU from the vise.
21. Install the relief check ball and plug. Use a new o-ring
and tighten the plug to 17 Nm (150 lb-in).
Not
for
Reproduction