User Manual for BPS-200
www.levitronix.com
PL-4012-00, Rev07, DCO# 20-144
32
6.2.2 Instructions for Replacement
1.
Power down the pump system and remove the
AC power. If necessary, allow the housing to
cool down to a workable.
2.
Unscrew the top of the pump head and remove
it along with the sealing ring.
3.
Remove the impeller
with the
Impeller
Exchange Tool
. Hook the claws of the
Impeller
Exchange Too
l into two opposing orifices of
the impeller.
4.
Inspect the wet area of the pump head
carefully. In case of material damage, also
replace the pump casing.
5.
Place the new impeller into the pump casing
using the
Impeller Exchange Tool
.
6.
If necessary, remove the existing
O-Ring
and
gently press the new
O-Ring
into the lid of the
pump casing.
CAUTION
Use always the specified O-Ring type. If necessary,
consult the Levitronix
®
Technical Service Depart-
ment. Do NOT twist or roll the O-Ring and avoid to
adding scratches or particles as this may cause
leaking.
7.
Press the lid with the O-ring flush into the
bottom of the pump casing.
8.
Carefully tighten the 6 pump casing
screws.
The screws should not be used to press the lid
with the O-ring into the bottom of the pump
casing. Do not apply too much torque. The
torque specifications are:
Recommended torque for pump screws
PVDF M4: 15 Ncm
PEEK M3: 12 Ncm
Note: These are typical values for the standard pump head
LPP-200.1. Refer to the relevant pump head specification
drawings for other configurations, which may have different
values.
9.
Start up the system and check if the impeller is
rotating properly and the pump head doesn’t
leak.
10.
If the pump head leaks, check and make sure
the lid and the O-Ring are properly pressed
into the bottom of the pump casing. It may be
necessary to change the O-Ring if it has been
damaged.
