Richter MNK Series - Manual (Page 21)

Series MNK 200-150-315
Page 21
9230-053-en Revision 12
TM 8195 Edition 03/2011
When tightening the housing screws 901/3, make
sure that the support bracket 183 is firmly
positioned. If necessary, undo support bracket,
align and secure again.
For tightening torques, see Section 1.1.
The distances X and Z are given in the works
certificate. See sectional drawing in Section 10.1.
The dimensions "X" and "Y" are always to be
checked with the rotating unit against the suction
nozzle.
X: Distance behind the impeller
= 2,9 bis 3,7 mm
Y: Distance in front of the impeller = 2,5 bis 3,5 mm
These distances must be observed. The dimension Y
can be affected by the thickness of the housing
gasket.
7.8.6 Fill bearing pedestal with oil
Oil quantities:
For group 4 approx. 3000 ml
Type of oil:
See Section 7.2.2.
Procedure for filling with oil:
Tilt constant level oiler 638/1.
Fill the oiler with oil.
Swing the constant level oiler into the vertical
position.
If the oil level still falls too much, pour more oil into
the oiler.
Fig. 7
7.9 Tests
The pumps are tested with water at the
manufacturer's.
The operating data measured are documented in a
works certificate.
If, during a test after repairs, discrepancies compared
with the works certificate are discovered, the following
people can be called in:
1) in-house pump office
2) The manufacturer Richter
or its local agent
The following conveying data can be checked using
the pump performance curves:
Flow rate
Head
Power requirement
NPSHR