Section 2: Installation Of Door Interlock - Eaton NRX Series Installation Instructions Manual

Series NRX type RF drawout open/close
door interlock installation instructions

Section 2: Installation of door interlock

N otee: The steps and figures in this instruction leaflet describe installation on the
right side of the cassette. Left hand installation is the done in a similar fashion.
Required tools
• Round hand file
• 2 mm Allen wrench
• 4 mm Allen wrench
• 10 mm drive socket
• Pliers
Step 1: Remove the screws holding the front cover in place (four for
three-pole, six for four-pole). Remove the front cover, pulling down on
the charging handle to simplify removal.
Step 2e: Remove the three screws holding the levering device side
plate to the chassis (one in front, two in the side), then remove the
levering device side plate side plate.
Figure 2. Section 2, Steps 1 and 2.
Step 3e: The drive window must be removed from the right side of
the front cover. Either use a utility knife to cut the window away from
the cover, or use a punch and a hammer to carefully punch out the
window. Once the window is removed, use a small file to remove
any burrs that remain. Make certain that all pieces and/or particles are
cleaned up and removed before proceeding.
Figure 3. Section 2, Step 3.
Step 4e: Install the drive arm (E) to the right end of the pole shaft with
the drive arm lever extending upward as shown. Use a
M6 x 30 mm flat-head screw (F) and 4 mm Allen wrench. Torque to
65-85 in-lbs (7 .3-9.6 N
Step 5e: Install the trip pin to the end of the trip arm on the right side
as the drive arm. Use a M3 x 16 mm flat-head screw and 2 mm Allen
wrench. Torque to 3-5 in-lbs (0.3-0.6 N
Figure 4. Section 2, Steps 4 and 5.
Step 6e: Replace Lev-in side plate removed in Step 2 and then reinstall
the front cover removed in Step 1.
Remove drive
arm window
Figure 5. Section 2, Step 6.
Instruction Leaflet IL0131129EN
Effective October 2016
m).
•
m).
•
Align as shown
EATON www.eaton.com
Trip pin
Drive arm
3