VARISCO JB Serie Instrucciones Para Su Utilizacion Y Mantenimiento página 23

ISTRUCTIONS FOR THE USE AND MAINTENANCE -
JD MONOBLOC
Servicing required by the JD MONOBLOC series bearing
How to replace the bearing:
- empty the pump casing as shown in paragraph 7
Attention: residual liquid may be found in the pump casing, head and suction line. Take the necessary precautions if the liquid is hazardous
(inflammable, corrosive, poisonous, infected).
- unscrew the 05.4 screws from the bell mouth slots (04)
- remove the screws and washers (04.2, 04.3) from the bell mouth (04)
- remove the pumping unit, inclusive of impeller (03), plate (02.1), motor support (19) and shaft (07)
- remove the impeller (03) and seal (25)
- unscrew the screws (55) so as to remove the bearing cover (08)
- take out the shaft (07), complete with bearing (58), from the side with the bell mouth (04)
- remove the ring nut (53) and bearing (58) with the aid of a puller or press.
- work through the instructions in reverse order to re-assemble the parts.
JB / JD
ANNEX 1
23