Diaphragm Replacement (Due To Breakage) - WAGNER ZIP52 Finishing Operating Manual

VERSION 12 / 2012
OPERATING MANUAL
9.4

DIAPHRAGM REPLACEMENT (DUE TO BREAKAGE)

If the diaphragms are replaced as a result of
breakage, all the internal parts of the motor
must be cleaned and the condition of the
seals and reversing valve, which may have
been damaged by contact with the pump
fl uid, must be checked.
a) According to Chapter 9.3, Points a), b), c)
d) and e):
Follow the disassembly procedure of the
diaphragms.
b) Disassemble the reversing valve (2).
c) Remove the shaft's plastic bushings (3)
located at each end of the motor block,
the lip seals (4) and the feeler pins (5).
d) Clean all the components, openings and
spaces within the motor block. Blow the
housing cavity of the reversing valve out
thoroughly with a jet of compressed air
(wear safety goggles).
e) Check the condition of the reversing
valve. If necessary replace.
f ) Grease feeler pins (5) (see Chapter 11).
g) Assemble all the parts described under point c) paying attention to properly orient
the seals lips (see Chapter 11, exploded view).
h) Grease feeler pins (5) with lip seal (4) once more from outside.
i) Put the reversing valve back in its housing. There apply the right torque. Mount the
valve slider (6) on one of the stroke stop positions. There are four possible positions,
each of them is suitable.
k) According to Chapter 9.3, points f ), g), h), i), k) and l):
Reassemble the remaining components.
ORDER NUMBER DOC 2332848
B_04018
3.5 Nm
2.6 lbft
1
2 Nm; 1.5 lbft
2
6
5
4
3
2 Nm
1.5 lbft
41