GE Industrial Solutions MicroVersaTrip Plus and MicroVersaTrip PM AK-1-15, AK-1-25 - Manual (Page 16)

16
Adjusting the Flux Shifter
When the trip paddle and flux shifter have been
installed, the following adjustments must be made:
1. With the breaker in the CLOSED position, the gap
between the trip paddle and the flux shifter
adjustment screw, as shown in Figure 33, should
be approximately 1 / 16 ". It may be helpful to
gauge the air gap with a 1 / 16 "-diameter rod (not
provided with the conversion kit). Make any
adjustments with the breaker OPEN, then CLOSE
the breaker and recheck the gap.
WARNING: Extreme caution must be used when
working on a CLOSED breaker. Do not reach your
hands into the breaker’s operating mechanism or
contact area while adjusting the flux shifter. Failure
to adhere to these precautions may result in serious
personal injury.
2. Optional Test – The flux shifter assembly may be
tested by closing the breaker and applying a 9
Vdc power source to the flux shifter leads. The
red wire (pin #2) is the positive lead, while the
white wire (pin #1) is the negative lead, The
breaker should open.
CAUTION: The 9 Vdc power source should only be
applied momentarily. Prolonged application of the
dc power source can damage the flux shifter.
Figure 33. Adjusting the flux shifter, viewed from the top of the
breaker.
Trip
Paddle
Adjustment
Screw
Gap