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EN
EN
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
105260 R. 12/21
Alentec & Orion AB · Grustagsvägen 4 · SE-138 40 · ÄLTA · Sweden · +8 747 67 00 · www.alentec.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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