4
Installation and removal instructions
for IZM series fixed breaker
three-way Type 32 cable interlock kit
EATON
www.eaton.com
Instructional Leaflet
IL0131187EN
Effective June 2022
Installation of three-way cable interlock
Required tools
•
10 mm hex socket
•
10 mm open-end wrench
•
11/16-inch open-end wrench
•
3/8-inch open-end wrench (2)
•
4 mm Allen wrench
•
Drive extension
•
Pliers
•
Ratchet
•
Measuring instrument, in mm
Before proceeding with the following steps, ensure that all breakers
are in the OPEN and DISCHARGED position .
Step 1
Remove the four hex-head captive bolts (six for 4-pole breaker) hold-
ing the cover in place as shown in
. Pull down on
the charging handle (approximately 45 degrees) and remove the
front cover .
Step 2
Remove drive arm window as shown in
. Either use a utility
knife to cut the window from the cover, or use a punch and a small
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 4. Details for Step 1
Figure 5. Details for Step 2
Bolt
Remove
knockout
Front
cover
Step 3
Install the drive arm
(D)
to the end of the pole shaft using an
M6 x 25 mm flathead screw
(B)
. Apply Loctite
®
Blue 242 to
ensure that the screw cannot loosen during operation . The
drive arm should be oriented as shown in
. Torque to
7,3–9,6 N·m (65–85 in-lb) .
Figure 6. Details for Step 3
Step 4
Fasten the interlock assembly
(E)
to the fixed mounting plate
(I)
using three M6 x 12 mm hex bolts
(A)
and three lock washers
(C)
as shown in
. Torque to 4,5–5,6 N·m (40–50 in-lb) . Fasten the
cable bracket
(G)
to the fixed mounting plate
(I)
using two
M6 x 10 mm thread-forming screws
(H)
and two lock washers
(C)
as shown in
. Torque to 7 .3–9 .6 N·m (65–85 in-lb) .
(E)
(H)
(G)
(I)
(A)
(C)
Figure 7. Details for Step 4
Pole shaft
(B)
(D)
End of pole shaft
