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Inspect the shipment immediately after it has been received for any transport damages.
In some cases it may not be advisable to start up the unit. Remove any transport protection before
starting up.
Do the data on the nameplate of the drive unit agree with the local explosion usage area on the drive
unit nameplate?
- Instrument group
- Ex-category
- Atmosphere
- Temperature class
- Maximum surface tension
Has it been ascertained that no atmosphere is capable of exploding, oils, acid, gases, vapours, or
radiation are present when the gear unit is being installed?
Has it been ascertained that the gear unit is adequately ventilated and that no outside source of heat
can be transferred into the unit (for example via clutches)? The cooling air must not exceed a
temperature of 40°C.
Does the mounting position on the nameplate correspond to the actual mounting position?
Is the vent plug located at the correct location (in compliance with the installation position)?
Please remove the transportation lock on the breather plug before usage.
Do all input and output elements have an ATEX approval?
Does the motor have a corresponding ATEX approval?
Are guards provided around rotating parts to prevent personnel from coming into contact with them?
In the case of a shrink disc version: has the expansion been checked?
Are all bleed screws and valves freely accessible?
Under uppstart i en Ex miljö, kontrollera följande:
E
Har en provkörning genomförts?
Efter ca 3 timmar, mät yttemperaturen. En skillnad på 60 K från omgivningstemperaturen får ej
överskridas, även om yttemperaturen kommer upp till maximala 90°C.
Has a dry run been performed?
After about 3 hours, measure the surface temperature. A difference of 60 K from the ambient
temperature must not be exceeded, although the surface temperature may reach 90°C maximum.
WATT DRIVE GMBH A-2753 Markt Piesting Wöllersdorfer Str. 68 Tel.:+43/2633/404-0 Fax: +43/2633/404-220 www.wattdrive.com
Drift och underhållsmanual - Explosionsskyddade drifter enligt direktiv 94/9/EG
Operating and maintenance manual- Explosion-Protected Drives Complying with Directive 94/9/EC
During start up in an EX area, test the following:
E
Information
checked
see chapter
2.1
3.7
2.2
4.3
10
10
4.3
4.4
4.8
4.7
4.6
Information
Utförd
se kapitel
5.2
5.2
Information
checked
see chapter
5.2
5.2
- 6 -
watt@wattdrive.com
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