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

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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.

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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