Disassembly / Reassembly Operation
42
Upper valve
Unscrew the nut (23) and the shovel rod (31),
Unscrew the piston valve (22),
Unscrew the piston bush (20) and remove the bush for piston
(17), the seal (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.
