10
855 835 R. 09/21
SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com
2021_09_06-14:00
EN
Before any intervention: DISCONNECT AIR SUPPLY OF THE PUMP.
IT IS NOT NECESSARY TO REMOVE THE PUMP FROM THE FLUID LINE.
1.
Close fluid valves.
2.
Drain the fluid inside the pump. Anticipate a drainage of fluid from inside
the pump.
3
. Remove the directional valve while being careful not to damage the seals
shown in the figure.
4
. Remove the diaphragm cap.
NOTE: To tighten these screws you must use a torque wrench calibrated
to (see torque table in this page).
5
. Remove the cover by gently pulling back.
6
. Remove the used diaphragm and place the new one in the proper position.
Assemble cover according to the following table:
REPAIR AND MAINTENANCE PROCEDURES
DIAPHRAGM REPLACEMENT
1
2
4
7
5
8
6
3
1
2
4
7
5
8
6
3
7.
Same procedure in other diaphragm.
8.
Assemble the directional valve checking all O-rings seals are placed
and tighten the screws with a maximum torque of 44 lbf.in (5 N.m).
Tightening secuence
Tightening secuence
PP body
PP conductive body
POM conductive body
5 N·m
4.2 N·m
5 N·m
A
B
C
D
E
F