Instructions For Replacement With Ptfe Pump Housing - Levitronix BPS-2000.1 User Manual

6.2.2 Instructions for Replacement with PTFE Pump Housing

1. Power down the pump system and remove the
AC power. Let the motor and pump head cool
down to a workable temperature before the
impeller can be exchanged.
2. Unscrew the lid of the pump head and remove it
along with the sealing ring.
3. Remove the impeller
Exchange Tool. Hook the claws of the Impeller
Exchange Tool into two opposing vanes of the
impeller.
4. Inspect the wet area of the pump head
carefully. In case of material damage, also
replace the pump housing.
5. Place the new impeller into the pump housing
using the Impeller Exchange Tool.
PL-4021-00, Rev03, DCO# 15-235
with the Impeller
6. If necessary, remove the existing O-Ring and
gently press the new O-Ring into the lid of the
pump casing.
CAUTION
Use the correct O-Ring type for your process. If
necessary, consult the Levitronix
Department. Do NOT twist or roll the O-Ring as this
may cause leaking to occur.
7. Press the lid with the O-ring flush into the
bottom of the pump casing.
CAUTION
Do not use the pump head screws to press the lid into
the pump housing bottom. This might lead to
distortions, which affect the sealing and hydraulic
performance
8. Carefully tighten the 8 pump housing 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 should be
Recommended torque for screws:
M8 Stainless Steel: 60 Ncm
Note: These are typical values for the standard pump heads
LPP-2000.7. 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 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.
User Manual for BPS-2000
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