Section E - Hydraulics
Rams
Slew Ram
E-154 E-154
9803-9340-8
S161750Y-1
Fig 17.
3 Before fitting the rod seals check the seal grooves are
free of contamination and sharp edges.
4 Locate the seal in the end cap groove
K Fig 18. ( T E-154). When the seal is in position,
open the tool to release the seal. Make sure the seal
is correctly installed in its groove and remove the tool.
S161750Z-1
Fig 18.
Fit end cap 1 onto the piston rod 2. Make sure the wiper
seal is towards the eye end of the rod.
Fit new ‘O’ ring 10 to bore of spacer 6 and assemble to
piston rod with ‘O’ ring towards the end cap.
Fit new ‘O’ ring 9 to bore of piston head 5. Screw the piston
head onto the piston rod and torque tighten to 300 Nm (222
lbf ft, 30.6 kgf m).
Fit new piston head seal 8. Use a blunt instrument (892/
01027) to lever the seal into the piston head central
groove, do not let the seal twist. Fit new wear rings 7 into
the two outer grooves in the piston head.
Position the cylinder 3 on the bench and install the rod
assembly into the cylinder.
Tighten the end cap into the cylinder.
Note: Cold weather operation. When operating in
conditions which are consistently below freezing, it is
recommended that the rams are operated slowly to their
full extent before commencing normal working.
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