European Sealing; Cleaning After Installation - Mettler Toledo IND500x Installationsanleitung

Figure 54: External Sealing, U.S Sealing (left), Chinese Sealing (right)

2.10.1.2 European Sealing

To seal the harsh enclosure follow these steps:
1 Ensure that the appropriate approval region has been selected in setup at Scale > Type > Approval, and
that the Metrology security switch SW1-1 is in the "ON" position.
2 Place the terminal with the front cover face-down on a soft, flat surface.
3 Ensure the gasket is in the correct position.
4 Align the holes in the rear housing with the threaded holes in the front cover.
5 Locate seven of the eight screws originally securing the cover and reinstall them by turning clockwise.
6 In the remaining 8
the sealing kit. Install the sealing sleeve/screw combination. Note that the smooth end of the sleeve is
facing up for placing the paper seal.
7 Torque all screws to 1.5 Nm.
8 Place an appropriate paper mark over the sealing sleeve/screw combination.
Figure 55: Sealing Sleeve Installed (left), Paper Seal Attached to Sealing Sleeve (right)

2.11 Cleaning after Installation

IND500x
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WARNING
1 Tighten the two sealing screws with a torque 1.5 Nm.
2 Arrange the sealing wire and pass the sealing wire through the two holes. Remove any
slack in the wire, then seal the plastic or lead plug respectively.
3 Ensure that the buckle is locked: the maximum gap between the two wires must be less
than 20 mm.
th
spot, take the screw from the sealing kit and insert it through the sealing sleeve found in
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WARNING
Avoid electrostatic charging by wearing suitable working clothes when
operating in hazardous areas.
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Installation​ ​ 47