Rockwell Automation 140U N-Fame CB Drilling and Assembling Flex-Cable Handle Mechanism User Manual
Page 3

INSTALLATION
1.
Remove the two 1/4-20 x
3/4
" screws and
lockwashers from the outer handle mechanism.
kit. Place each screw and lockwasher though
the pivot
bracket assembly Thread the
fiber
retaining washers
enclosed
with
the
flex
parts kit
onto the 1/4-20 x 3/4"
screws. See Figure 1-1.
2.
Install mechanism handle to enclosure by
placing the outer handle mechanism with gasket
over the enclosure cutout. Insert the mounting
screws from the pivot bracket assembly into
the outer handle mechanism.
3.
Attach the adapter link to the handle actuator
Link and secure with 1/4-20 screw, lockwasher
and nut, Provided. See Fig 1-3.
6. Mount breakers Line end to enclosure using the
mounting hardware provided in the hardware kit.
the load end of the breaker per the following:
ND: Attach the load end of the bracket to the enclo-
sure using hardware from the kit. Attach the base plate
to the circuit breaker using the ¼-20 x 3.5" screws and
¼" lockwashers enclosed in the parts kit at the load end
screws located between the trip unit and the two load
end mounting holes.
See fig 1-2 for illustration.
8. Place the outer handle mechanism in the full ON
position and the circuit breaker in the ON position.
Handle to the ON position. Place the handle extension
assembly onto the breaker handle and secure as
Shown on fig 1-2.
9. Locate bulk head nuts of the flexible shaft over the
groove of the base plate and tighten.
Page 3
10. Actuate the outer handle positions (ON,OFF,
RESET). If minor adjustments are necessary,
refer to the following adjustment checklist and
Figure 1-2.
Install door hardware (supplied); refer to
Adjustment Checklist
Situation:
tripped.
Adjustment:
Loosen the ¼-28 adjusting nut that is closest to the black
cap and turn towards the cap approximately 1.5-2 turns.
to the handle extension and inner adjusting nut.
Re-check for the ON, OFF, and RESET position. If not
successful, repeat procedure. If still not successful, and
the bulk head nuts, and shift the cable towards the load
end of the breaker. Re-tighten the bulk head nuts.
successful , repeat the beginning steps.
Situation:
Breaker resets after tripping, but does not turn ON.
referenced on Figure 1-3.
Adjustment:
Loosen the ¼-28 adjusting nut that is located on the end
approximately 1.5-2 turns. Re-tighten the adjusting nut
that is closest to the black cap to the handle extension
and RESET position. If not successful, and the adjusting
loosen the bulk head nuts, and shift the cable towards the
line end of the breaker. Re-tighten the bulk head nuts.
Re-check for the ON, OFF and RESET position. If not
successful, repeat the beginning steps.
If any other adjustment problems should arise, contact
your local Allen-Bradley representative.
4. Attach the E-Ring that attaches the adaptor
link to the toggle mechanism. See Fig 1-1.
5. Drill and tap the mounting holes for the circuit
breaker. See breaker frame instruction leaflet for
the drilling pattern.
NOTICE
Be certain that there is a 5 inch minimum
clearance between the load end of the breaker
and wall of the enclosure for the flex shaft.
7. Attach the base plate and mounting hardware to
of the breaker after removing the (2) load end cover
You must Release the Door Interlock to move the
reference figure 1-4.
Breaker turns ON and OFF, but will not RESET when
Re-tighten the adjusting nut that is on the end of the shaft
the adjusting nut is bottomed out onto the shaft, loosen
Re-check for the ON, OFF and RESET position. If not
of the shaft and turn towards the end of the shaft
and the outer adjusting nut. Re-check for the ON, OFF
nut on the end of the shaft is two threads from the end,
40752-090(1) Effective 5/02