Eaton IZM97 Instruction Manual page 37

Step 3: Make sure the counter rocker is at a 14° angle in the
horizontal free state, and pay attention to the counter rocker
position.
Figure 3. Step 3
Step 4: Install the counter (C) onto the bracket (A), and fix it
with M3.5x8 screws (E). Torque to 5-8in-lbs for screws.
Remove current bracket (if installed) from the circuit break-
er, and install the counter and bracket onto the mechanism
using 3 M3x6 screws (F) as shown.
M3 x 6
screw
Figure 4. Step 4
Step 5: Install one end of the counter spring (D) onto the
drive (B) and hang the other end into the small hole at the
bottom of the indicating link. Align the counter drive with the
charging mechanism, and make sure the counter rocker fits
well into the counter drive slot.
Step 6: Check the functionality of the counter assemblies
Step 7: Re-install the cover by following the procedure in
Step 1.
New generation IZM97, 99 low voltage air circuit breaker instruction manual MN013010EN February 2020 www.eaton.com.cn
Rocker closely attached
to counter position
14°
14° angle
M3 x 8 counter
mounting screw
(install the counter
onto the bracket)
Hole at bottom
Install the rocker
into this slot
Install one end of
the spring into the
small hole at the
bottom, and the
other end onto the
counter drive
Figure 5. Step 5
Figure 6. Step 6
Section 4: Accessory devices
Charging mechanism
33