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GENERAL PUMP
A member of the Interpump Group
EV SERIES
B) Disassembly / Reassembly of the bend shaft with replacement of the bearings
After removing the side covers, as described above, remove the outer ring nut on the bearings from its seat
on the covers, using an appropriate extractor as shown in (Fig. 12 and Fig. 12/a).
Remove the inner ring nut on the bearings from the two ends of the shaft, again using an appropriate
extractor or, alternatively, a simple “pin punch” as shown in Fig. 13
Fig. 12 Fig. 12/a
Fig. 13
The new bearings can be mounted cold with a press or rocker, supporting it on the lateral surface of the ring
nuts involved in press fitting with the rings. The fitting operation could be facilitated by
heating the parts involved at a temperature between 250° - 300 °F (120° - 150 °C), making sure that the ring
nuts are fully fitted in their respective seats.
Never exchange the parts of the two bearings.
Ref 301038 Rev. A
07-20
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