CAUTION
Contact of O-ring with graphite or similar material
Fluid could escape!
▷ Do not coat O-ring with graphite or similar material.
▷ Use animal fats or lubricants based on silicone or PTFE.
▪ Assembly adhesives
–
For gaskets, avoid the use of assembly adhesives, if possible.
– Should assembly adhesives be required after all, use a commercially available
contact adhesive (e.g. "Pattex").
– Only apply adhesive at selected points and in thin layers.
– Never use quick-setting adhesives (cyanoacrylate adhesives).
– Coat the locating surfaces of the individual components and screwed
connections with graphite or similar before reassembly.
For reassembly, tighten all screws and bolts as specified in this manual. (⇨ Section 7.6
Page 64)
7.5.2 Fitting the wear plate
✓ The individual parts are kept in a clean and level assembly area.
✓ All disassembled parts have been cleaned and checked for wear.
✓ Any damaged or worn parts have been replaced by original spare parts.
✓ The sealing surfaces have been cleaned.
1. Fit O-rings 412.25/412.75 on wear plate 135.01.
2. Place wear plate 135.01 into the pump casing.
3. Screw wear plate 135.01 to the pump casing with hexagon head bolts 914.05 or
socked head cap screws 914.05 and joint rings 411.13.
Tightening torque (⇨ Section 7.6.1 Page 64)
7.5.3 Fitting the bearings
✓ The individual parts are kept in a clean and level assembly area.
✓ All disassembled parts have been cleaned and checked for wear.
✓ Any damaged or worn parts have been replaced by original spare parts.
✓ The sealing surfaces have been cleaned.
✓ The notes and steps stated in (⇨ Section 7.5.1 Page 54) to (⇨ Section 7.5.2 Page
55) have been observed/carried out.
1. Heat up angular contact ball bearing 320.02 and the inner ring of cylindrical
rolling element bearing 322.01 to approx. 80 ℃ in an oil bath.
2. For bearing brackets P10ax/P12sx: fit bush 500.21 on the shaft.
3. Push the angular contact ball bearing and the inner ring of cylindrical roller
bearing 322.01 onto shaft 210 until they will not go any further.
NOTE
Angular contact ball bearings must be installed in "O" arrangement. Angular contact ball
bearings installed in pairs must always be from the same manufacturer.
4. Use a spanner wrench to tighten keywayed nut 920.21 without lockwasher
931.01.
5.
Let angular contact ball bearing 320.02 cool down to approximately 5 °C
above ambient temperature.
6. Re-tighten keywayed nut 920.21, then unscrew it again.
Tightening torques
7 Servicing/Maintenance
KWP
55 of 78
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