Disassembly / Reassembly operation
42
Disassembly of the pump
Unscrew the 2 nuts (16) and put aside the flange (1), the tie
rods (14) and the protection (4),
Clamp the pump horizontally through the body with a vice
(7),
Unscrew the foot-valve body assembly (26) [f
or the fluid
section, model REX2B0453-
-
-FP-
: the flange (31) and
the O-Ring (29])
,
Take off the piston (15) downwards,
Put aside the cylinder (10).
Lower valve
Unscrew the body of the filling body (26),
Take off the valve stop (19) and the ball (22),
Remove the spacer (24),
Take off the seat (23),
Take off the seal (25),
Take off the first seal (9),
Clean the parts, check them if they are damaged or worn,
change them
Reinstall the parts in the reverse order of the disassembly
sequence.