Elmo Rietschle S-VSI 300(44) - Manual (Page 25)

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Maintenance and repair
7 Maintenance and repair
DANGER
Electrical Warning!
Before performing any maintenance, disconnect
power to motor at main power switch or circuit
breaker. Install a lock-out tag to ensure power
remains off during the service procedure.
WARNING
Hot surfaces and equipment
During maintenance work there is the danger of
getting burned from hot components (Fig. 2/Q)
and by the pump lubricating oil.
Wait for the pump to cool down.
7.1 Ensuring operational safety
Regular maintenance work must be carried out in order to ensure operational safety.
Maintenance intervals also depend on the operational demands on the pump.
With any work observe the safety instructions described in Section 2.8 “Safety notes for installation,
commissioning and maintenance”.
The entire pump should always be kept in a clean condition.
7.2 Maintenance work
Interval Maintenance to be carried out Section
monthly Check the pipes and fasteners for leaks and to ensure they
are seated properly and if necessary seal again or tighten up. —
monthly Check the motor terminal box and power cable inlet ports for
leaks and if necessary re-seal. —
monthly Clean cooling fins of the pump and the motor. —
monthly Check the oil level. 7.2.1
7.500 hrs. Change the oil.
depending on how dirty the
discharged medium is Clean intake air filter.
Clean gas ballast valve filter. 7.2.2
at least once a year Check for coupling wear. 7.2.3
monthly Check the cooling water system and the water supply lines. 7.2.4
depending on how dirty the
cooling liquid is Clean Y-strainer.