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Replacement of Cover Gasket for Padmount Switchgear Side-Hinge-2 Models
FIELD SERVICE INSTRUCTIONS MN285009EN April 2019
Required parts & materials
Table 1. Items included in the Gasket Replacement Kit
Description Qty Image
Aron Alpha Cyanoacrylate Adhesive: AA-490 Type 1
Dow-Corning RTV 732 Multi-Purpose Sealant 1
Gaskets, long 2 n/a
Gaskets, short 2 n/a
Plastic bags (quart size) 2 n/a
Removable blue masking tape (roll) 1
Cover carriage-bolt with gasket 66
SS Belleville washers 66
Silicon-bronze cover bolt nuts 66
NPT pipe plug, 1/4-inch 1
New Bell Green enamel paint (aerosol) 1
Suggested tools & supplies
Table 2. List of tools & supplies
Item Image
Makita BFL300FZ pre-set torque nut runner at 25ft-lb setting Figure 1
Electric nut driver, cordless-drill type Figure 2
Caulk Gun - Half Barrel Frame Figure 3
Proto MC10568000 9/16-inch impact socket Figure 4
10-inch flat screwdriver Figure 5
Small aluminum-bronze hammer Figure 6
3-inch putty knife/flexible scraper Figure 7
12- to 18-inch extra-long taper single-end alignment pin with
5/16-inch point size (Proto J2120 aligning bar)
Figure 8
Hand wire brush brass-bristle low-scratch, 3/4-inchwide Figure 9
Shop rags or Kimberly-Clark WypAll X60 or equivalent n/a
Containers/buckets for hardware removed (Qty 2) Figure 10
Isopropyl alcohol Figure 11
Workstand (“sawhorse”) (Qty 2) Figure 12
Compressed air or nitrogen, regulated to 7.25 psig n/a
Portable air compressor with desiccant air dryers Figure 13
Leak-test assembly consisting of a ball valve, pressure
regulator, pressure gauge, and pressure-relief-valve assembly
with 1/4-inch NPT pipe connections
Figure 14
50-foot air hose with fitting to connect to leak-test assembly n/a
EFI Microsonic Detector Model EI-701 leak detector Figure 15
Figure 1. Makita BFL300FZ pre-set torque nut runner
Figure 2. Electric nut driver, cordless-drill type
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