Sartorius CH3G Instructions d'exploitation télécharger pdf (Page 65)

Care and Maintenance

Cleaning the Interior

of the Weighing Platform

Important note:

This does not apply to CH model

platforms.

$ If dirt gets inside the weighing platform,

the load plate has to be removed to clean

the weighing platform interior. Particular

caution is advised when working with

models 1000 + 1000 mm or larger.

$ Blow out the interior with pressurized

air or rinse with a weak water jet

(max. 60°C).

Make sure that no dirt builds up in the

gap between the load receptor and the

fastening plate to avoid compromising

the overload protection.

Cleaning Stainless Steel Surfaces

Clean all stainless steel parts regularly.

We recommend removing the stainless

steel load plate and cleaning it separately,

outside the hazardous area. Use a damp

cloth or sponge to clean any stainless steel

parts on the scale. You can use any com-

mercially available household cleaning

agent that is suitable for use on stainless

steel. Clean stainless steel surfaces by

wiping them down.

Then clean the load plate thoroughly,

making sure to remove all residues.

Use a damp cloth or sponge to wipe down

any stainless steel parts on the weighing

platform again and allow the equipment

to dry. If desired, you can apply oil to the

cleaned surfaces as additional protection.

!Do not use stainless steel cleaning agents

that contain soda lye, ethanoic acid,

hydrochloric acid, sulphuric acid or citric

acid. The use of scrubbing sponges made

with steel wool is not permitted.

Solvents are permitted for use only on

stainless steel parts.

Corrosive Environment

$ Remove all traces of corrosive substances

from the weighing platform on a regular

basis.

Replacing the Dust Cover

> Replace damaged dust covers.

§ Place the new dust cover on the

indicator and press down on the front

and back along the edges until the cover

is firmly seated.

Safety Inspection

Safe operation of the device is no

longer ensured when:

– there is visible damage to the device

or power cord

– the built-in power supply no longer

functions properly

– the device has been stored for a

relatively long period under unfavorable

conditions (e.g., extreme moisture)

– the equipment has been subjected to

rough handling during shipment.

If there is any indication that safe

operation of the device is no longer

warranted:

§ Disconnect from AC power (unplug the

equipment from the wall outlet (mains

supply))

> Lock the equipment in a secure place

to ensure that it cannot be used for the

time being

§ Notify your nearest Sartorius Service

Center or the International Technical

Support Unit based in Goettingen,

Germany.

Maintenance and repair work may be

performed only by authorized Sartorius

service technicians who:

– have access to the required service and

maintenance manuals, and

– have attended the relevant service

training courses.

!The seals affixed to this equipment

indicate that the equipment may be

opened only by authorized service

technicians, to ensure safe and trouble-

free operation of the equipment and to

maintain the conditions for warranty

coverage. If the verification seals are

damaged, the equipment must be

reverified.

Service

Regular servicing by a Sartorius

technician will extend the service life of

your Combics scale and ensure its

continued weighing accuracy. Sartorius

can offer you service contracts, with your

choice of regular maintenance intervals

ranging from 1 month to 2 years.

The optimum length of the service

interval depends on the operating

conditions at the place of installation

and on your requirements.

Cleaning

!Unplug the equipment from the AC

adapter or power supply before

cleaning.

$ Observe your company’s internal

regulations as well as standard industry

guidelines with regard to cleaning

intervals and cleaning agents.

$ If the scale is located in a dry room,

wipe down the weighing platform with

a damp cloth. You can use common

household cleaning agents. Follow the

cleaning agent manufacturer’s

instructions.

!Never use concentrated acids, alkali

solutions, solvents or pure alcohol to

clean the equipment.

$ If the scale is located in a wet room,

clean the weighing platform from above

with a weak water jet (max. 60°C).

!Do not use high-pressure cleaning

equipment to clean the weighing

platform.

> If the water that you use to clean the

weighing platform is too hot or too

cold, the difference in temperature

between the water and the weighing

platform can cause condensation within

the weighing platform. This

condensation can lead to malfunctions

in the equipment.

$ If the weighing platform is installed in a

pit, make sure that no dirt accumulates

between the edge of the pit and the

weighing platform. This will help

prevent measuring errors.

$ Regularly remove all dirt from the floor

of the pit.

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Sartorius CH3G Instructions d'exploitation Page 65

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