Walkerduct pro series, Mudcap and knockout removal, Figure 1 – Legrand Multiplex Series Multi-Service Pedestal Service Fittings User Manual
Page 4: Figure 2
Walkerduct Pro Series
™
Mudcap and Knockout Removal:
1. Use a Walker insert finder (Cat. No. 480) or other electronic locator
to find center of preset. Cut and remove carpeting or tile over preset.
(Carpet may be saved for later abandoning.) Chip out concrete
exposing mudcap.
NOTE:
If presets are more than 1/2" [12.1mm] below concrete, use of a hammer drill
with 1/2" chisel is recommended. Be careful not to damage preset!
2. Remove Mudcap: (See Figure 1).
a. Strike blade of screwdriver or 1/4" [6.4mm] cold chisel
along side of mudcap as shown. Top edge of mudcap
will deflect inward.
b. Pry out cap with screwdriver by positioning blade
between preset wall and deflected edge of mudcap
or, use pliers to grab edge of cap and lift out.
Remove all debris from preset.
c. Grout around opening if concrete does not break
away cleanly.
3. Remove Knockout: (See Figure 2).
a. Insert screwdriver blade into opening in base of preset.
Push screwdriver toward center of preset, breaking tabs.
Position screwdriver into opening on other side of knockout
and break tabs to release knockout.
b. Inserting a wire hook into arched opening at center
of preset will prevent knockout from falling into duct.
Remove all debris from raceway.
CAUTION: Some sharp edges may occur along
knockout tabs. These must be deburred.
4. Important!
Tighten bonding screw in base of preset.
Figure 1
Strike downward near edge.
Figure 2
See 3A
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