7 MAINTENANCE
PAGE
7.4
c) Top lubrication
Attention: For vertically installed pumps with overhead drive as type BT/NT:
On initial start-up the mechanical seal has not come
in contact with the medium. It runs therefore dry for
a short period of time until the air is displaced from
the pump housing.
I On first start-up and if stood idle for longer periods
lubricate the mechanical seal before switching on the
pump.
I Apply water, glycerine or oil depending on their
compatibility with the pumping medium and the
elastomer of the mechanical seal.
I Fill the gap between the connecting shaft (1) and the
mechanical seal (2) or mechanical seal housing (3).
Pump model with “mechanical seals” (sectional drawing W251.000):
The lubricating should be done:
- when putting into operation
- after every 350 hours of operation
- before and after operation interruptions of 6 - 8 weeks
issued: 09.01.2013 Revision: 6
text no.
07400-2/2
copy to:
IPP - EN - EN_07400_20130109/3 - D8411276 - 4300003998 - 000100 - NPS - 00229929 N 2018-02-21 19:03:25
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