Disassembly / Reassembly Operation
43
Upper valve
Take off the pin (23) and the shovel rod (31),
Unscrew the piston valve (22),
Unscrew the piston bush (20) and remove the adjustment
block(s) (42)
,
the piston nut (16), the male washer (44), the
piston seals (45) and the female washer (46),
Clean and reinstall the parts in the reverse order of the
disassembly sequence.
