Powermatic WB-43, WB-37 operating instructions Volt Operation, Model WB-25 shown

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electric current to reduce the risk of electric shock to the operator.

Improper connection of the equipment- grounding conductor can result in risk of electric shock. The conductor, with insulation having an outer surface that is green with or without yellow stripes, is the equipment-grounding conductor. If repair or replacement of the electric cord or plug is necessary, do not connect the equipment- grounding conductor to a live terminal.

Check with a qualified electrician or service personnel if the grounding instructions are not completely understood, or if in doubt as to whether the tool is properly grounded.

The sander should be connected to a dedicated circuit with a minimum 100 Amp service. The sander has been factory wired to run at 230 volt operation. It can be converted to 460 volt if desired. See the appropriate sections below.

8.2230 Volt Operation

The sander may be fitted with a 230 volt plug, or may be “hard-wired” directly to an electrical control panel. If hard-wired to a panel, make sure a disconnect is available for the operator.

Refer to the diagram inside the sander’s electrical box for clarification of electrical connections. These diagrams are also shown in sections 17.0 and 18.0 of this manual.

1.Make sure the machine’s plug is disconnected from the power source. If it will be hard-wired, make sure the fuses have been removed or the breakers have been tripped in the circuit to which the sander will be connected. Place a warning placard on the fuse holder or circuit breaker to prevent it being turned on while the machine is being wired. Always follow proper Lock Out/Tag Out procedures when performing any wiring on this machine.

2.Make sure the power source corresponds to the specifications of the sander as recorded on the sander’s motor plate.

3.Open the sander’s electrical box and connect the three incoming power leads to the terminals marked R,S,T. See Figure 5. Connect the green ground wire to grounding terminal E.

4.Connect the machine to power (or install the fuses or reset the breaker at the power source). The power light (see Figure 19) should now be lit.

Figure 5

(Model WB-25 shown)

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Contents Wide Belt Sanders Warranty Period Warranty and ServiceTable of Contents Pressure Bar Assembly Models WB-25, WB-37, WB-43 16.8.2 Safety warnings Safety warnings 1790843 Introduction SpecificationsUnpacking Contents of Shipping ContainerDust Collection AssemblyAir Supply Connection Grounding Instructions Installing/Replacing Sanding BeltElectrical Model WB-25 shown 230 Volt OperationSanding Belt Tracking Oscillation Adjustments460 Volt Conversion Extension cordsOscillation Speed Oscillation Air FlowReplacing Graphite and Felt Pad Belt Tension and ReplacementPlaten Position Conveyor Belt Tracking Conveyor Belt TensionFeed Rate Pressure Bar AdjustmentTable Parallelism LED Controller and Keypad Operating ControlsAmperage Meter Braking System OperationDust Port Layout MaintenanceTrouble Troubleshooting the SanderTrouble Replacement Parts Troubleshooting the LED UnitBase and Motor Assembly Model WB-25 only Index No. Part No Description Size Qty Parts List Base and Motor Assembly Model WB-25Base and Motor Assembly Model WB-37 only Parts List Base and Motor Assembly Model WB-37 Base and Motor Assembly Model WB-43 only Parts List Base and Motor Assembly Model WB-43 Upper Cabinet Assembly Model WB-25 only Parts List Upper Cabinet Assembly Model WB-25 Upper Cabinet Assembly Models WB-37, WB-43 Parts List Upper Cabinet Assembly Model WB-43 Parts List Upper Cabinet Assembly Model WB-37Table Raising Assembly Models WB-25, WB-37, WB-43 Parts List Table Raising Assembly Model WB-25 Parts List Table Raising Assembly Model WB-37 Parts List Table Raising Assembly Model WB-43 Hex Screw 12x4 Table and Conveyor Belt Assembly Models WB-25, WB-37, WB-43 WB25-IRA Parts List Table and Conveyor Belt Assembly Model WB-25WB37-IRA Parts List Table and Conveyor Belt Assembly Model WB-37WB43-IRA Parts List Table and Conveyor Belt Assembly Model WB-43Parts List Pressure Bar Assembly Model WB-25 Pressure Bar Assembly Models WB-25, WB-37, WB-43Parts List Pressure Bar Assembly Model WB-43 Parts List Pressure Bar Assembly Model WB-37Parts List Platen Assembly Model WB-25 Platen Assembly Model WB-25 only6290294 Parts List Platen Assembly Model WB-37 Platen Assembly Models WB-37, WB-43Parts List Platen Assembly Model WB-43 WB43-717 Parts List Air Regulator Assembly Model WB-25 Air Regulator Assembly Models WB-25, WB-37, WB-43Parts List Air Regulator Assembly Model WB-37 Parts List Air Regulator Assembly Model WB-43 Sanding Belt and Accessories Models WB-25, WB-37, WB-43 Parts List Sanding Belt and Accessories Model WB-43 Parts List Sanding Belt and Accessories Model WB-25Parts List Sanding Belt and Accessories Model WB-37 Tension Roller Assembly Models WB-25 and WB-37 only Parts List Tension Roller Assembly Model WB-25 Parts List Tension Roller Assembly Model WB-37 Seal Tension Roller Assembly Model WB-43 only Parts List Tension Roller Assembly Model WB-43 WB43-163 Electrical Box Assembly Models WB-25 and WB-37 Parts List Electrical Box Assembly Model WB-25 Parts List Electrical Box Assembly Model WB-37 Electrical Box Assembly Model WB-43 only Parts List Electrical Box Assembly Model WB-43 Models WB-25 and WB-37 only Electrical ConnectionsModel WB-43 only