Elmo Rietschle S-VSI 300(44) User Manual

Page 25

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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.