Disassembly / Reassembly Operation
45
Wet 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 srews (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), the ring (36), and the seals
(11),
Change the seals (11), [f
or the fluid section, model
REX2B0227-
-XS-FP-
: c
hange the PTFE seals (11b) & PTFE G
seals (11d)],
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.
Piston rod seals
Unscrew the seat (18),
Take off the ball (17), the washers (6 & 12), the seals (11) [f
or
the fluid section, model REX2B0227-
-XS-FP-
: c
hange the
PTFE seals (11b) & PTFE G seals (11d)] and the adjustment
block(s) (27) if it/they is/are present,
Clean all the parts, check them; if there are damaged or
worn, change them.
Reinstall the parts in the reverse order of the disassembly
sequence.
