IOM/DSMT/0010/01 Issue Date: 13/10/2000
Page : Page 9/14 Last Revision Date:
6.2.13 At the coupling end heat the bearing (260) to approximately 100°C (212° F) using
the bearing oil bath.
6.2.14 Slide the heated bearing onto the shaft to abut shoulder ring (199) coupling end.
6.2.15 Cool the bearing to room temperature and coat both sides with about 40 grams of
recommended grease.
6.2.16 Coat the inside of the bearing housing (240.1) with grease and slide into place over
bearing. Secure the bearing housing to the insert with four hex. nuts (586) and
studs (593).
6.2.17 Place the cylindrical pins (610) in their respective holes. Set the rotating unit in the
casing half lower. Locate both the insert tongues. Correct any excessive “O” ring
buckling. Check that the impeller is centralised in the casing +/- 2mm and that
there are no rubs.
6.2.18 Install casing gasket (519) with a light coat grease on both gasket surfaces.
Carefully align the inner edge of the gasket with the insert “O” rings.
6.2.19 Lower the casing half upper (122) onto place and engage casing joint nuts loosely.
NOTE- WHEN INSTALLING CASING HALF UPPER MAKE SURE THAT THE “O”
RINGS (522.1) ARE NOT CUT OR PUNCHED AND THE GASKET IS HARD AGAINST
THE “O” RINGS.
6.2.20 Insert the locating pin (611) and drive them home. Tighten the joint nuts (581).
6.2.21 Install the stuffing box flushing piping.
6.2.22 Rotate the shaft by hand to assure smooth turning and that is free from rubbing or
binding.
7. SPARE PART LIST
PART
NOS.
DESCRIPTION
NO. OF
PUMP
122
123
157*
158*
180*
190*
204*
260*
274
310*
227*
350*
236*
450
320 *
321*
335*
Casing half upper
Casing half lower
Impeller, 1
st
stage
Impeller, 2
nd
stage
Pump shaft
Wear ring
Interstage ring
Ball bearing
Bearing Cap
Shaft sleeve, DE/NDE
Lantern ring
stuffing box bush
Water Deflector DE/NDE
Air vent
Impeller key
Coupling key
Bearing nut
1
1
1
1
1
2
1
1
2
1
2
2
1
2
2
1
1
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