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REPAIR AND MAINTENANCE PROCEDURES
2.
FIRST DIAPHRAGM ALIGNMENT
Using the soft head hammer, againg align the diaphragm bead until the
bead touches the housing without deformation.
The diaphragm bead
touches the housing
without deformation.
3.
DIAPHRAGM COVER INSTALLATION
Place the diaphragm cover and approximate it using the bolts (follow
the TIGHTENING SEQUENCE).
Once approximated, torque @132 lbf·in (15 N·m).
CAUTION!: DP200 pump body
is fitted with two nipples that fit
with two holes in the diaphragm
cover to ensure that the cover is
placed in its correct possition.
14
855 833 R. 03/21
SAMOA Industrial, S.A. · Pol. Ind. Porceyo, I-14 · Camino del Fontán, 831 · 33392 - Gijón - Spain · Tel.: +34 985 381 488 · www.samoaindustrial.com
SOFT HEAD
TIGHTENING SEQUENCE
9
5
7
2
4
6
10
4.
CENTRAL ROD RELEASE FOR SECOND DIAPHRAGM ALIGNMENT
Using an air gun fed with 1bar (15psi) maximum air pressure, inject
air in the air chamber of the diaphragm cover trough the hole nº1
meanwhile closing the holes nº2 and nº3 . Compresed air will push
out the central rod allowing the diaphagm installation without
deformation.
When we hole nº1 is feed with compressed air while closing nº2 and nº3
air enters in the chamber, displacing the central rod and allowing to install
the diaphragm.
5.
SECOND DIAPHRAGM ALIGNMENT
Install the remaining diaphragm and again, using the soft head hammer,
align the diaphragm bead until the bead touches the housing without
deformation.
SOFT HEAD
6.
SECOND DIAPHRAGM COVER INSTALLATION
Follow same procedure as for the first diaphramg cover described
inpoint nº3.
3
1
8
1
2
3
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