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SR–28
4. Install the rack into the cylinder.
5. Installation of cylinder tube side rack oil seal
(1) Put the rack housing in a vice, using the following SST.
SST:
09612-00012-000
(2) Install the cylinder tube side oil seal to the rack.
(3) Install a new O-ring to the cylinder end stopper.
(4) Insert the cylinder end stopper while pushing the oil
seal, using the following SST.
SST:
09631-20090-000
6. Remove the rack cover tube installed to the power steer-
ing rack sub-assembly.
7. Air tightness test
(1) Install the SST to the union section of the steering rack
housing assembly.
SST:
09631-12071-000
NOTE:
·
Install the SST with a packing interposed.
(2) Connect a MityVac to the SST.
Apply a negative pressure of about 52 kPa (0.53
kgf/cm
2
) and keep it for about 30 seconds.
Ensure that the reading of the MityVac will not change.
NOTE:
·
If any air leakage exists, replace the oil seals.
8. Assembly of power steering control valve
(1) Apply power steering fluid to a new seal ring No. 1.
Push the ring from the smaller-diameter side to the
center of the larger-diameter side so as to expand the
ring.
SST:
09631-20070-000
NOTE:
·
Thoroughly wash the SST. Make sure that the SST is
not scratched. Also, make sure that no dust adheres to
the SST.
·
Do not expand the ring unnecessarily.
·
Be sure to expand evenly the entire periphery of the
ring.
·
Be very careful not to scratch the ring.
(2) With the seal ring attached to the SST, insert the SST
into the control valve sub-assembly from the direction
indicated in the right figure. Attach the expanded seal
rings to the seal ring grooves of the control valve sub-
assembly.
JSR00099-00092
JSR00100-00093
JSR00102-00095
JSR00103-00096
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