Section 2: Installation Of Key Locks - Eaton 2C12891G21 Installation Instructions Manual

Installation instructions for Kirk
Key Interlock Kit (2C12891G21) in
Magnum low-voltage circuit breakers

Section 2: Installation of key locks

Proceed with the following 14 steps:
IMPORTANT
DO NOT REINSERT KEY UNTIL STEP 6.
Step 1: First remove key from key lock (A). Then remove two
screws from back of key lock and discard the cam arm and screws.
Remove one knurled nut from barrel of lock.
Cam arm (to be
removed)
Figure 2. Step 1
Step 2: Remove second knurled nut from key lock body and place
bushing (B) on cylinder body. Note orientation of key lock, and then
mount to lock mounting plate (C) with the knurled nut.
IMPORTANT
DO NOT INSERT KEY.
Bushing (B)
Key lock (A)
Figure 3. Step 2
Knurled nut
Kirk lock mounting
plate (C)
Knurled nut
Instruction Leaflet IL2C13761H11
Step 3: Put torsion spring (D) on guide pin (E). Note the orientation
of spring legs, and carefully press the knurled end of guide pin into
hole in key lock body to the depth of the knurl. This step requires an
Arbor press, vise, or equivalent.
IMPORTANT
DO NOT INSERT KEY.
Key lock
Figure 4. Step 3
Step 4. Mount cylinder interlock adapter (F) to hexagonal standoff
(G) with 1/2 inch long cap head screw (H) and tighten securely.
Attach cable assembly (I) to other end of hexagonal standoff with
shoulder screw (J).
IMPORTANT
DO NOT INSERT KEY.
Cap screw
(H)
Cylinder interlock
adapter (F)
Figure 5. Step 4
Effective March 2020
Torsion
spring (D)
Guide pin (E)
Cable assembly
(I)
Hex standoff
(G)
Shoulder
screw (J)
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