jcb JS300 Service Manual page 873

Assembly of the Piston Rod
The cylinder components must be cleaned before
assembly. The piston and cylinder head must be cleaned
before seal assembly and be kept clean up until this stage.
Do not clean piston or cylinder head with seals fitted.
1 Secure the piston rod pack on the bench, brace the
piston rod head.
2 Carefully fit the cylinder head onto the piston rod
ensuring that the threads are not damaged.
3 Fit the cushion ring A
Fig 93.
4 Assemble the piston head onto the piston rod. Fit the
Jig to piston and torque tighten the piston to stated
torque value, refer to Section B, Technical Data.
E-212
A
5
C030730-C1
6
9813/5100-1
Section E - Hydraulics
Dismantling and Assembly
Fig 94.
Assemble the nut onto the piston rod and torque
tighten to stated torque value, refer to Section B,
Technical Data.
Fig 95.
Locate and fasten the stop screw X and torque tighten
to stated torque value, refer to Section B, Technical
Data.
Hydraulic Rams
C030720
373460B-V2
E-212