OPERATOR'S MANUAL MAINTENANCE

Section E - Hydraulics
Rotary Coupling
Assembly
E-177 E-177
9803/9880-3
Assembly
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 Clean the rotor 10-G with cleaning fluid or
compressed air.
Fig 10.
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 and 'O'-rings.
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.
C716700-C1
Fig 11.
716660-C1
G