76 - 2
Section E Hydraulics
9803/6410
Section E
76 - 2
Issue 1
Hydraulic Rams
Reconditioning (cont’d)
Mount the outer guide jig over the inner guide jig and
using the plate, continue pressing the plate by hand until
the outer guide jig touches the seal ring.
Be sure to set the seal ring squarely on the inner guide
jig.
Continue to press the plate on the outer guide jig by
hydraulic press until the seal ring fits into the groove.
Be sure to press the plate carefully so that the seal ring
will fit squarely on the inner guide jig and into the groove.
Carry out this operation smoothly.
After confirming that the seal ring is completely fitted into
the piston groove, remove the jigs in the following order.
1 Retract the press rod.
2 Remove the plate.
3 Remove the outer guide jig.
4 Remove the inner guide jig.
The fitting of the seal ring is completed at this stage.
Next, correct the fitting of the seal ring using the bedding
jig.
4 Outer guide jig fitting
5 Press-fitting
6 Removal of jig
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