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Install the New Power Barrier
Board
1. Insert the tie strap through the back of the power
barrier board.
2. Put the new power barrier board in place and
secure it using the reserved screws. Tighten the
standoffs by hand. Torque the socket head cap
screws to 15 ft-lb (20 N•m).
NOTE: Put all six screws in place before tightening.
Tighten the standoffs before the socket head cap
screws.
3. Plug the CAN bus power into the power barrier
board.
4. Tighten the tie strap around the wires to secure
them to the board.
5. Put the partition back into place. Make certain that
the notch for the wires is on the lower left side of
the partition and that the wires are not being
crushed.
6. Insert the bottom screws into the partition and
tighten.
7. Place the power connect bracket into place and
secure it with two screws.
8. Reconnect the motor, temperature, reed switch,
encoder, and barrier board power wires to the
control board.
Reinstall the Electronics Cover
Be sure that no wires are pinched between the
electronics cover and the motor housing. Pinched
wires may damage the control board and will impair
explosion-proof safety.
1. Reinstall the electronics cover onto the center
housing.
2. Using a 6 mm hex wrench, install the 12 bolts.
3A4801G
Advanced Power Board Replacement Kit 24U939
NOTE: Ensure that the lock washers are still in
place.
3. Torque the bolts to 15 ft-lb (20 N•m).
Reinstall the Wiring Box Cover
1. Connect the wires from the inside of the wiring box.
Refer to the torque instructions listed on the
placard inside of the wiring box. Connect the
power cable and/or conduit to the electronics cover.
2. Reinstall the cover onto the wiring box.
3. Using a 6 mm hex wrench, install the four bolts.
NOTE: Ensure the lock washers are still in place.
4. Torque the bolts to 15 ft-lb (20 N•m).
Attach the Control Module
Bracket
1. Connect the control module cable to the
electronics cover.
2. Reattach the control module mounting bracket onto
the electronics cover.
3. Snap the control module into place on the bracket.
Apply Power to the Motor
1. Apply power to the unit to start the automatic
calibration process. The motor output shaft runs up
and down over the course of several minutes.
Halfway through the automatic calibration process,
the motor output shaft pauses as it moves to the
next step.
2. Ensure that the automatic calibration process is
complete before you continue.
Reattach the Pump Lower
1. Jog the output shaft on the pump lower and
reconnect the coupling nut.
2. Torque to the proper level according to the
appropriate pump manual.
49
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