Etanorm sya – B&C Technologies IM Series Industrial Ironer User Manual
Page 112
Cover plate
1211:117
Cover plate
400
210
360
321
330
1215:7
Cover plate
400
210
360
321
330
1215:8
Caution
Etanorm SYA
13
Additional instructions:
- Place joint ring 411.4 on discharge cover sealing face, to
prevent it from slipping out of position.
- Replace all joint rings and gaskets affected by dismantling.
- Use specified deep-groove ball bearing 321 only.
- Pack bearing with grease (see 7.2.2.3)
- When fitting the deep-groove ball bearing, ensure the side
with the cover plate points towards the pump side (see figs.
7.5-1, 7.5-2, 7.5-3)
Etanorm SYA SU 25
1)
Fig.7.5-1 Mounting the deep-groove ball bearing,shaftunit 25
1)
1) For shaft unit/pump size combinations see section 7.6.1
Etanorm SYA, SU 35
1)
Fig. 7.5-2 Mounting the deep-groove ball bearing SU 35
1)
1) For shaft unit/pump size combinations see 7.6.1
Etanorm SYA, SU 55
1)
Fig. 7.5-3 Mounting the deep-groove ball bearing SU 55
1)
1)
For shaft unit/pump size combinations see 7.6.1
Replacing the plain bearing
- Removing the shaft and the plain bearing
Remove shaft 210 from bearing bracket 330 towards the
coupling.
Press plain bearing 310 out of the bearing bracket.
- Mounting the plain bearing
Carefully press plain bearing 310 into bearing bracket 330 up
to the stop.
Maximum clearance at plain
bearing:
As-new clearance at plain
bearing:
SU 25
1)
0.35 mm
SU 35, 55
1)
0.4 mm
0.08 - 0.13
0.08 - 0.13
- If the sealing area between the impeller neck and the casing
wear ring is worn, causing an excessive sealing clearance
∫
0.9 mm, the casing wear rings (502.1 and 502.2, if fitted)
must be replaced. The as-new clearance between casing
wear ring and impeller is 0.3 mm on diameter.
1)
For shaft unit/pump size combinations see 7.6.1
7.5.2
Mechanical seal
Reassembly is effected in reverse order to dismantling.
The following rules shall be observed when mounting the me-
chanical seal:
Extreme care and cleanliness.
The protective wrapping of the contact faces must only be re-
moved immediately before assembly takes place.
Take care not to damage the seal faces and the O-rings.
Clean the shaft and the seat ring holder and carefully remove
any deposits.
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