Return to
Return to Section TOC
Return to
Return to Master TOC
2.Locate the 10 turn trimmer potentiometer located on the control board. It is the only trimmer on the board. If the trimmer is not accessible with the control board installed, then the board must be removed and laid on the top of the PC board compartment. Be sure the control board is insulated from the other boards and the case parts. All wiring plugs must be connected to the con- trol board. See Figure F.56.
WARNING
WHEN THE MACHINE CASE IS REMOVED HIGH VOLTAGE POINTS ARE EXPOSED.
STAND DIRECTLY IN FRONT OF MACHINE UNDER TEST.
EXPLODING PARTS CAN CAUSE INJURY. FAILED PARTS CAN EXPLODE OR CAUSE OTHER PARTS TO EXPLODE WHEN POWER IS APPLIED. ALWAYS WEAR A FACE SHIELD AND LONG SLEEVES WHEN SERVICING.
CAUTION
WHEN LOADING THE MACHINE WITH THE CASE PARTS REMOVED. BE CAREFUL NOT TO OVER HEAT THE MACHINE.
3.NOTE: If a wire feeder is NOT connected to the Power Wave the machine may not display output volts.
4.Connect the resistance grid load to the machine’s output terminals. Connect the reference ammeter in series with the grid load. See Figure F.57.
Return to Section TOC
Return to Section TOC
Return to Master TOC
Return to Master TOC
FIGURE F.57 – RESISTANCE GRID LOAD CONNECTIONS
POWER WAVE
–+
AMMETER
VOLT METER
RESISTANCE
GRID
LOAD
