22
BEARING HOUSING ASSEMBLY - PUMP TYPE B1 - B2 - B3 - B4
25. The bearing are pre-assembled with right preloading. Bearing
parts can not be replaced with others. You can not invert parts
of the same bearing. In order to interchange front bearings,
that lock the shaft axially, you should respect the reference
mark ( ) that must be put on shaft shoulder. On type B 105,
B 110, B 115 a single, pre-assembled and axially locked
bearing is arranged.
mod. B1
mod. B2 - B3 - B4
mod. B1
mod. B2 - B3 - B4
#
26. Dimensions "X" (± 0,02)
B1 B2 B3 B4
63 39,50 41,40 50,90
27. Assemble the pre-assembled front bearing, tighten the ring
nut and set the retainer key in the ring nut slot.
IMPORTANT: Put all keys of the safety washer up to the ring
nut in order to let the spacer pass for the axial adjustement.
28. Assemble the pre-assembled rear bearing, tighten the retainer
ring nut inserting a spacer suitable to replace the gear, in
ordeer to keep the bearing assembled during the mounting
operations.
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