Maintenance / servicing
37
BA.10A.CNY.001.01.10.GB
6.5.2 Instructions for assembly
D A N G E R
!
Maintenance or assembly work can be dangerous if important
instructions are disregarded.
•
Before you maintenance or assemble the pump note sec-
tion 6.1 on 32.
C A U T I O N
!
For pump assembly important aspects have to be taken into
account:
A wrong assembly of the pump can cause damages to the
pump. Therefore follow the instructions for the assembly list-
ed here.
•
Use tools from HILGE assembly tool kit in order to
assemble the pump without damages and scratches.
•
To guarantee a good seal, use only O-ring seals with the
original dimensions.
•
Never use grease which contains mineral oil when
assembling the wet end parts
1
.
•
Replace mechanical seals always in complete assembly.
•
As the impeller nut is being fitted, it must be possible to
feel the self-locking action
2
. It must be possible to tighten
the nut without any problems. Tighten manually for the
first two turns, so that the thread insert sits correctly on
the shaft.
•
To tighten impeller nut 0922.00, use either a screw
device or the impeller nut installing device because the
torque applied to tighten must be absolutely concentric.
Otherwise there is the danger that the pump shaft
0211.00 will be bent.
1.
Parts which come in contact with the pumped medium.
2.
Only apply to impeller nut with Helicoil thread insert.
