page 27
Instruction manual
for use and maintenance of series ELBA
Setting the pace since 1953
ENGLISH
5) remove the little key from the shaft;
6) unscrew the four screws fastening the centrifugal pump support to the gearbox;
7) remove the oil seal from the support;
8) replace the support;
9) attach the oil seal to the new support;
10) attach the little key to the shaft;
11) attach the impeller to the shaft;
12) tighten the self-locking nut;
13) attach the screw nut to the support, together with the external flange;
14) tighten the eight screws fastening the screw nut to the support;
7.5 PROLONGED DOWNTIME
When the centrifugal pump remains inactive for a long time, it is recommended to act as in chapter
5.6
(WASHING THE GEARBOX).
7.6 TECHNICAL ASSISTANCE
For technical assistance or the supply of accessories and spare parts, contact the supplier of the complete system.
8 - PUTTING OUT OF SERVICE AND DEMOLITION
Before demolishing the centrifugal pump, the following materials should be separated:
• lubricating oil;
• rubber and plastic parts;
• cast iron and steel parts;
and disposed of correctly.
Do not dispose of the centrifugal pump into the environment.
For disposal of the lubricating oil make use of specialised treatment services.
Summary of Contents for ELBA
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