DESMI Pumping Technology A/S
6
Tagholm 1
9400 Nørresundby - Denmark
Tel.: +45 96 32 81 11
Fax +45 98 17 54 99
E-mail:
NSLV: NSLH:
The lifting straps must not bear against sharp edges and corners.
5.
DISMANTLING
5.1
ACCESS
TO
IMPELLER
The numbers in brackets refer to the position numbers on the assembly drawing.
Dismantle guard (69). Dismantle copper pipe (58). Dismantle Allen screws (76) and (80). Remove
coupling discs (74) between spacer and coupling part motor (71). Dismantle Allen screws (77).
Loosen spacer (72) from coupling part pump (70) by means of the pointed screws (36). Now remove
spacer. If additional space is required for dismantling, loosen coupling part pump (70) and coupling
part motor (71) at pointed screws (73) and pull off. A gentle heating of the pump and motor coupling
parts may facilitate the dismantling.
Remove the screws (22) that keep the shaft seal cover (18) to the pump casing (1). Loosen shaft
seal cover (18) from pump casing by means of the pointed screws (86) in the shaft seal cover. The
shaft seal cover with shaft and impeller can now be lifted up allowing inspection of the impeller.
5.2
DISMANTLING
SHAFT
SEAL
ø215/265
Remove nut (6). Pull off the impeller (5) and remove sunk key (9). Remove Allen screws (19),
which hold the bearing cover (15) to the shaft seal cover, pull shaft seal cover and bearing cover
apart, by which shaft seal (10) and water deflector (11) are pulled off the shaft.
ø330/415
Remove set screw (6). Pull off the impeller (5) and remove sunk key (9). Remove set screws (19),
which hold the bearing cover (15) to the shaft seal cover, pull shaft seal cover and bearing cover
apart, by which the shaft seal (10) is pulled off the shaft.
Summary of Contents for NSLH Compact Spacer
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