75 - 7
Assembly (cont’d)
5 Retraction side cushion assembly (dipper ram)
Where there is a cushion at the retraction side (end of
piston rod JJ) assemble the cushion bearing as follows:
a Expand the slit of the cushion seal HH and place
the seal on the end of the piston rod JJ.
b Insert the cushion ring KK on the P surface and
install the collar LL.
Note: While fitting the collar LL, take care that it does not
break.
c Move the cushion ring KK to the right until it is in
contact with the collar LL.
d Tap the snap ring GG with a plastic hammer to
install.
e Install the piston nut FF after assembling the snap
ring GG.
Note: Ensure the cushion seal HH and cushion ring KK are
installed the correct way round and the cushion ring KK is
free to move.
Section E Hydraulics
9803/6410
Section E
75 - 7
Issue 1
Hydraulic Rams
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