Disassembly / Reassembly Operation
27/10/2020
582134110-2B0453-indA-EN.docx
42
Upper Valve and Piston Rod
seals
Unscrew the cylinder (10),
Unscrew the screw (30),
Remove the protection (4),
Unscrew the wet cup (5),
Take off the piston assembly backwards,
Unscrew the
piston bush (18), check its seat,
Check the ball (17),
Take off the 'F' washer (21),
Take off the seals (45),
Take off the 'M' washer (3),
Take off the piston (15),
Take off the second seal (9) located on the pump body (7),
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.
Reassembly of the fluid section
Lubricate the cup seals and piston rod seals,
Slide the piston rod assembly (15) inside the body (7), push it
upwards,
Screw the cylinder (10) into the body (7),
Screw the foot valve body assembly (26)
[for the fluid
section, model REX2B0453-
-
-FP-
:
screw the
O-Rings (29), the flange (31)
. Tighten slightly,
Reinstall the protection (4), the connection flange (1) and
the tie-rods (14). Screw the 2 nuts (16),
Couple the fluid section to the pneumatic motor.
NOTA : The quantity of seals of the packing (11) depends
upon the used package of seals.
