jcb JS200 Service Manual page 400

Section E
82 - 4
Assembly JS200/JS240
Inspect the parts for signs of wear, pitting, scratching,
discolouration etc. Polish out scratches using a fine grade oil
stone.
Before assembly, thoroughly clean all parts using a suitable
solvent: Do NOT use solvents on 'O'-rings, backup rings and
seals.
Fit new 'O'-rings, backup rings and seals.
Lubricate all 'O'-rings, backup rings and seals, with clean
hydraulic fluid before fitting.
1. a. Clean the rotor 13 with cleaning fluid or compressed
air.
b. After cleaning, check to see if there are any
scratches or roughness on the inner side of the rotor
or grooves.
2. Check the number of packing rings 15 and 'O'-rings 14.
Coat with Vaseline and install in the order below.
a. Set one packing ring in each groove starting from the
2nd groove from the top.
b. Set the 'O'-ring in the top groove.
9803/6400
Hydraulics
Rotary Coupling
Section E
82 - 4
Issue 1