salmson NOLH Installation Et Mise En Service page 51

ENGLISH
Dismantling bearing bracket assembly :
1. Remove screws 90.11, remove V‐rings 42.20, remove the ball
bearing cover 36.00 and flat gasket 40.02. Slide out lip seals 42.10
(oil lubricated ball bearings).
2. Remove thrower 50.70.
3. Loosen screw 90.12, remove lock washer 93.01 and foot 18.30.
4. For oil lubricated pumps, remove the oil level gauge 91.60 and
the constant level oiler (CLO) 63.80 if any.
5. Withdraw the shaft with the two ball bearings 32.10 and spacer
rings 50.50 if necessary.
6. Pull out ball bearings 32.10 and remove spacer rings 50.50.
9. 3. 1. 2 DISMANTLING B RA CKETS SIZES 55 ET 65
1. Mark the position of the parts in relation to each other with a
color pen or a scribing point.
2. Loosen the nuts 92.00.
3. . Remove the back pull out unit from the volute casing 10.20,
remove casing seal 40.00, remove screws 56.00 and wear ring
50.20.
4. Remove impeller nut 92.20 and its helicoid 93.00.
5. Remove impeller 23.00, gasket 40.03, and remove key 94.01,
loosen nuts 92.02 and take away the casing cover 16.10.
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Design with stuffing box:
1. Loosen nuts 92.01 and remove stud bolts 90.21.
2. Remove packing gland 45.20, tear out packing rings 46.10 and
lantern ring 45.80.
3. Remove shaft sleeve 52.40 and gasket 40.01.
Design with mechanical seal:
1. Remove screws 90.24 and take away cover 47.10 with flat gasket
40.06, stationary part of mechanical seal 43.30 with pin 56.10 if
necessary.
2. Slide out shaft sleeve 52.30 with spacer ring 50.40, rotating part
of mechanical seal 43.30 and the flat gasket 40.01.
3. Loosen screws 56.00.
4. Withdraw the wear ring 50.21.
Dismantling of bearing bracket assembly :
1. Remove thrower 50.70.
2. Loosen screws 90.11 and 90.14, take away ball bearing cover
36.00, 36.01 and flat gasket 40.02. Remove lip seal 42.10.
3. Remove the screw 90.12, the lock washer 93.01 and dismantle
the foot 18.30.
4. If oil lubricated ball bearings variant is installed, remove the plug
67.20. If bearing bracket is fitted with a constant level oiler (CLO)
and if it was not done before, remove the CLO 63.80 from the
bearing bracket housing.
5. Withdraw the shaft with the two ball bearings 32.10 and spacer
rings 50.50 and circlip 93.21.
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