31
BEARING HOUSING ASSEMBLY
24. Remove the ring and extract the outside ring of the
roller bearing from the bearing housing.
25. Assemble the outside rings of the roller bearings on
the bearing housing, using a retaining ring to set
them axially, because no counterboring is arranged.
Assemble the retaining rings without seal rings.
26. The inside ring of the roller bearing is assembled
with a interference, therefore we suggest a shrink
fitting, heating the ring in 90°C oil bath, in order to
avoid any seizure.
Insert the gear keys in their seats with a lightly forced
connection.
IMPORTANT: Assemble the adjustable gear on the
shaft, which will be set up on the pump.
27. Assemble the shafts. If the gears heven't been
removed from the shafts, respect the timing previously
marked while re-assembling.
28. Insert the spacers (10) on the shafts and assemble
the supports (75) with the ball bearings already
connected. Set the spacers for axial adjustement
(11) and tighten the screws.
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