3
Replacement of Cover Gasket for Padmount Switchgear Side-Hinge-2 Models
Field Service inStructionS
MN285009EN April 2019
Standard with
polycarbonate bowl
Standard with
aluminum bowl
Figure 13.
Examples of typical desiccant air dryers
Figure 14.
Leak-test assembly
Figure 15.
EFI Microsonic Detector Model EI-701
leak detector
Pre-arrival tasks
Perform these tasks before arriving on site:
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Review the Installation, Operation, and Maintenance
Manual applicable for the switchgear and familiarize
yourself with the stated safety precautions.
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Ensure that the tools and supplies listed in Table 2 on
page 1 are available.
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Check the ambient temperature conditions at the work
site. Cover gasket installation should be performed only
at temperatures above 32 °F (0 °C). Contact the factory if
service is required at temperatures below 32 °F (0 °C).
Procedure
1. Prepare unit for service and verify parts
1.1 Verify that the Gasket Replacement Kit contains the
items listed in Table 1 on page 1.
1.2 Verify that the Padmount switchgear is de-energized
and that high voltage cables in the cabinet are
grounded.
DANGER
Hazardous voltage . Contact with hazardous voltage
will cause death or severe personal injury . Follow all
locally approved safety procedures when working
around high- and low-voltage lines and equipment .
1.3 Once the unit is safe to access, open the cabinet
doors on both sides (Figure 16).
Figure 16.
