salmson NOLH Installation Et Mise En Service page 53

ENGLISH
Fasten cover 16.50 and casing cover 16.10.
8. Assemble bearing bracket housing 33.00 and casing cover 16.10.
9. Install rotating part of the mechanical seal 43.30 and spacer ring
50.40.
10. Press the key 94.01 in the shaft, slide impeller 23.00 onto the
shaft and tighten impeller nut 92.20. Install guards 68.10 with
captive screws 90.13.
11. Adjust the casing seal 40.00 between back pullout assembly and
casing. Tighten screws 90.10.
9. 3. 2. 2 ASSEMB LY OF B EARING B RA CKETS SIZES 55
A ND 65
1. Fit the shaft unit.
2. If the shaft is to be fitted with new bearings, they should
be heated up to a temperature of 80º C before assembling.
First, install the ball bearing 32.11, then the circlip 93.21 and finally
ball bearing 32.10. Make sure that the bearing is pressed against the
shoulders of the shaft.
3. If the lip seals have been previously removed, they must be
exchanged. The lip seals should be fitted into the bearing cover with
a bush, pressing on the external ring of the seals. The lips should
point towards the bearing after installation. Pay attention to the
installation of ball bearing covers.
4. Install ball bearing cover on pump side with flat gasket 40.02 and
greasing nipple 63.60 if needed.
5. Insert circlips 93.21 in the groove of the bearing bracket housing
33.00.
6. Install ball bearing cover 36.01 with the flat seal 40.02 and the
greasing nipple 63.30 if needed.
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7. Screw the plug 67.20, the oil level sight 64.20 and the CLO 63.80
(oil lubricated ball bearings).
8. Fasten foot 18.30 and slide the thrower onto the shaft 50.70.
Design with stuffing box :
9. Slide the shaft sleeve 52.40 onto the shaft.
10. Install one of the packing rings 46.10 in the packing housing, the
lantern ring 45.80 and then, the remaining packing rings and the
gland 45.20.
11. Screw the stud bolts 90.21 into the casing cover, add washers
55.40 and nuts 92.01. Adjust the stuffing box tightening.
12. Install wear ring 50.21 with stop screws 56.00.
Design with mechanical seal :
9. Install the mechanical seal cover 47.10 with the mechanical seal
stationary part 43.30 and its pin 56.10 if necessary, then place the
flat gasket 40.06 and screws 90.24.
10. Slide the shaft sleeve 52.30 with the rotating part of the
mechanical seal 43.30 and the spacer ring 50.40.
11. Insert the wear ring 50.21 and stop screws 56.00 in casing cover.
Screw stud bolts 90.22.
12. Assemble casing cover 16.10 and bearing bracket 33.00. Tighten
nuts 92.02.
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