Instructions / Assembly

Class 3130 / 3110 Replacing the Viewing Window 30–200 A
Replacing the Viewing Window 30–200 A
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
• Apply appropriate personal protective equipment (PPE) and follow safe electrical
work practices. See NFPA 70E, CSA Z462 or NOM-029-STPS.
• This equipment must only be Installed and serviced by qualified electrical
personnel.
• Never operate energized switch with door open.
• Turn off switch before removing or Installing fuses or making load side
connections.
• Always use a properly rated voltage sensing device at all line and load fuse clips
to confirm switch Is off.
• Turn off power supplying switch before doing any other work on or Inside switch.
• Do not use renewable link fuses In fused switches.
Failure to follow these instructions will result in death or serious injury.
Figure 6 - Unhook
Snap from Cover
Figure 7 - Snaps in
Place
1. Turn off power supplying the switch before performing any work on or inside the
switch.
2. Open the switch blades by moving the operating handle to the OFF (O) position.
3. Lock out or tag the switch, per local procedures.
4. Open the enclosure door.
5. Always use a properly rated voltage sensing device at all line and load-side lugs
(terminals) to confirm power is off.
6. From inside of front cover use a screw driver to unhook snap from cover and push
window out (do on all snap locations). See Figure 6, page 30.
7. Center new window in the opening.
8. Apply equal force on window to snap into place.
9. Confirm that snaps are properly engaged. See Figure 7, page 30.
10. Close the door. Complete any lock out tag out procedures required. Energize, as
required.
30 GEX75737