Disassembly / Reassembly Operation
45
Take off, check and change if necessary the O-
Ring (9) located at the middle of the piston rod
(17).
Nota: If the piston is damaged, when changing it, you must
change the seals indicated previously (refer to § 'lower or
upper cup seals').
Clean and reinstall the parts in the following order :
Install the 'F' washer (20) in the lower part of the
piston,
Install the seals (62 & 63 or 67 & 68 depending
upon the version,
Install the 'M' washer (18) in the lower part of the
piston,
Add an adjustment block (69) if necessary,
Install the two stop bushes (37),
Install the rings (38) on the piston rod (17),
Lubricate the packing,
Insert the lower part of the cylinder (41) in the
reverse order of the Chevron seals until reaching
the seals and recovering them,
Install the other Chevron seals (upper packings) as
well as the 'F' washer, the seals, the 'M' washer on
the piston (35),
Install the stop bushes (37),
Install the rings (38),
Make the cylinder slide upwards,
Lubricate the cylinder (41).
Add an adjustment block (69) if necessary.
Nota : the 'F' washers (4 & 20) are :
- plastic ones for the fluid sections # 104 134 0001 & 104 135
0001
- brass ones for the fluid sections # 104 134 0008 & 104 135
0008.
The plastic washers are in the spare parts of the package
of seals of the concerned fluid sections.