Disassembly / Reassembly Operation
44
Clean the parts, check them if they are damaged
or worn, change them
Reinstall the parts in the reverse order of the
disassembly sequence taking care of the
following instructions:
During the assembly of the flanges, place the adjustment
blocks if necessary.
During the assembly of the nuts (27), you must mount
them with a maximum screwing torque of 250N.m / 184.4
ft/lbs.
Lower and upper cup seals
Unscrew the cup nut (3),
Take off, check and change if necessary in the
following order:
- the 'F' washer (4),
- The seals (60 depending upon version
rerfer
to seal pack 06 & 07),
- the 'M' washer (6).
Take off, check and change if necessary the O-
Rings (23 & 45),
Clean all the parts, check them; if there are
damaged or worn, change them,
Clean and reinstall the parts in the reverse order
of the disassembly sequence.
Piston
Take off the rings (38),
Take off the closing rings (34),
Take off the two half bushes (37),
Take off, check and change if necessary in the
following order:
- the 'M' washer (18),
- the seals (60 depending upon version
rerfer
to seal pack 06 & 07),
- the 'F' washer (20).
Remove the piston (35),