Disassembly / Reassembly Operation
41
Cup seals
Nota: the pump body (7) consists of a cartridge (7B) to make
easier the changing of the seals.
Ind.7
Unscrew the cup (5),
Take off the 10 screws (7D) that tighten the cartridge (7B) in
the body (7A),
Take off the cartridge (7B) screwing the extractors in the 2
M8 holes of the cartridge,
Take off the washers (6 & 12), and the seals (9 & 11),
Change the seals (9 & 11),
Change the seal (7C).
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.
Lower valve
Take off the seat (30) and the lower valve (28) fitted with the
valve body (21),
Unscrew the cup nut (24),
Take off the male washers (25), and the seals (27, 38 & 39),
Take off the seal (18),
Clean and reinstall the parts in the reverse order of the
disassembly sequence.