Power Entry Module
8-26
Force EZ-C Series Service Manual
Power Entry Module
Equipment
•
Phillips screwdriver
Remove the Power Entry Module
1.
Turn off the generator and disconnect the power cord from the wall
receptacle.
2.
Disconnect the power cord from the power entry module.
3.
Loosen the four screws that secure the cover to the chassis. Lift the cover off
the chassis.
4.
Remove the Control board.
a.
Remove the screw that secures the retention bracket to the left rear heat
sink. Set the screw and bracket aside for reinstallation.
b.
Unlock the connector on the Control board and disconnect the Display
board ribbon cable from the Control board.
c.
Carefully slide the Control board straight up to disconnect it from the
Power Supply/RF board. Set the board aside in an antistatic container for
reinstallation.
5.
Disconnect the power entry module cable from the Power Supply/RF board.
6.
Remove the two screws that secure the power entry module to the rear panel.
Save the screws for reinstallation.
7.
Slide the module out the rear panel until you can access the grounding lug
post inside the rear panel. Then, remove the mounting screw that secures the
ground wire ring terminal to the grounding lug. Save the screw for
reinstallation.
8.
Remove the power entry module assembly from the unit.
Warning
Electric Shock Hazard
.– To allow stored energy to dissipate after disconnecting
power, wait at least five minutes before replacing parts.
Caution
The generator contains electrostatic-sensitive components. When repairing the
generator, work at a static-control workstation. Wear a grounding strap when
handling electrostatic-sensitive components,
except
when working on an
energized generator. Handle circuit boards by their nonconductive edges. Use an
antistatic container for transport of electrostatic-sensitive components and circuit
boards.