Sigma S2Ba Instructions d'exploitation télécharger pdf (Page 32)

WARNING!

Warning of dangerous or unknown feed chemical

Should a dangerous or unknown feed chemical be used: It

may escape from the hydraulic components when working

on the pump.

– Take appropriate protective measures before working on

the pump (e.g. safety glasses, safety gloves, ...).

Observe the safety data sheet for the feed chemical.

–

Drain and flush the liquid end before working on the

pump.

WARNING!

Danger of an electric shock

When working on the motor or electrical auxiliary equipment,

there is a danger of an electric shock.

– Before working on the motor, take note of the safety

instructions in its operating instructions!

–

Should external fans, servomotors or other auxiliary

equipment be installed, these should also be discon‐

nected and checked that they are voltage free.

Third party spare parts for the pumps may lead to problems

when pumping.

–

Use only original spare parts.

–

Use the correct spare parts kits. In case of doubt, refer

to the exploded views and ordering information in the

appendix.

Interval Maintenance work Personnel

After approx. 5,000 oper‐

ating hours

Change gear oil - refer to "Changing gear oil" in this chapter. Instructed personnel

Quarterly Check the oil level.

Quarterly*

n Check that the metering lines are fixed firmly to the liquid end.

n Check that the suction valve and discharge valve are correctly

seated.

n Check that the dosing head screws are tight.

n Check the condition of the metering diaphragm - see

Ä ‘Check

the condition of the metering diaphragm’ on page 32

n Check that the flow is correct: Allow the pump to prime briefly.

n Check that the electrical connections are intact.

Technical personnel

* Under normal loading (approx. 30 % of continuous operation).

Under heavy loading (e.g. continuous operation): shorter intervals.

The diaphragm is a wearing part, the service life of which is dependent

upon the following parameters:

n System back pressure

n Operating temperature

n Feed chemical properties

Standard liquid ends:

Check the condition of the metering dia‐

phragm

Maintenance

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Sigma S2Ba Instructions d'exploitation Page 32

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