Desmi ESLH/-17, Operation And Maintenance Instructions, Page: 11 / 19

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DESMI Pumping Technology A/S
11
www.desmi.com
Tagholm 1
9400 Nørresundby
– Denmark
Tel: +45 96 32 81 11 Fax: +45 98 17 54 99
E-mail:
desmi@desmi.com
When using soapy water on the shaft, the bellows will settle and seat in abt. 15 minutes, and
until then tightness should not be expected. After start, check by viewing the leak hole that
there are no leaks.
6.4
FITTING BEARING HOUSE
Place the O-ring (27) between rear cover (7) and bearing house (15) in the O-ring groove
and hold it with a little soft soap or silicone grease. Please check the material of the O-ring
first. As standard the material is EPDM, which will be damaged by mineral grease. Fit and
fasten bearing house in the rear cover.
6.5
FITTING IMPELLER
Fit the sunk key in the shaft and lead the impeller towards the shoulder of the shaft. Secure
the impeller (5) with washers (23) and Domed cap nut (24) .
6.6 FITTING REAR COVER
Place the O-ring (3) between pump casing and rear cover (7) in the O-ring groove and hold it
with a little grease. However, check the material of the O-ring first. As standard the material
is VITON, Fit and fasten rear cover in the pump casing.
6.7
FITTING COUPLING AND MOTOR
Fit the cooling fan (47) to the pump half coupling (38) with sunk screws (49). Then fit
the pump half coupling to pump shaft and tighten the pointed screw.
Fit the motor
half coupling to motor shaft and tighten the pointed screw, place pump and motor on
baseplate (45) and tighten the set screw with washers (41, 42, 43,44) slightly. Add
shims under bearing support (33) and motor feet, adjust the number of shims to
ensure the coupling is at the right axial position. Measured the coupling within the
limits indicated in the below table. And tighten the set screw (37) after the coupling is
in right position .