11
Replacement of Cover Gasket for Padmount Switchgear Side-Hinge-2 Models
Field Service inStructionS
MN285009EN April 2019
c. Verify that the bolt holes are aligned
between the gasket and the tank flange.
d. Connect the dove-tail joint (Figure 48) of
the fourth gasket with the first gasket.
e. Tamp the entire length of the fourth gasket
(Figure 50).
Figure 50.
Tamping the fourth (final) gasket
9.6.3
Within 15 seconds after tamping:
Make any
final adjustments to the gasket’s position.
10. Prepare the cover for reinstallation
10.1 Inspect the gasket mating area near the edges of the
cover:
10.1.1 Wipe all residual oil off of the gasket mating
area.
10.1.2 Clean the gasket mating area with isopropyl
alcohol applied to shop rags or to disposable
paper towels.
10.2 Using a caulk gun or equivalent, apply Dow Corning
732 Multi-Purpose Sealant (RTV). (See Figure 51).
10.2.1 Lift the male end of the dovetail joint and fill
the female end with RTV (Figure 51).
Figure 51.
10.2.2 Press the male end back in place (Figure 52).
Do this to all (4) corners of the gasket.
Figure 52.
10.3 Allow five minutes for the compound to form a skin.
