Porter-Cable 891, 8931, 892 Starting and Stopping the Motor, Variable Speed Control

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STARTING AND STOPPING THE MOTOR

Before starting the tool, clear the work area of all foreign objects. Also keep a firm grip on the tool to resist starting torque.

Two switches (A and B) Fig. 19 turn this tool “ON” and “OFF”. Additionally, the upper switch (A) will automatically turn the tool “OFF” if the tool is placed upside down on a surface.

The lower switch (B) Fig. 19 is convenient for the operator to turn the tool “ON” or “OFF” with the thumb of the left hand while holding the tool (Fig. 16).

To avoid injury and/or damage to finished work, always allow the motor to come to a COMPLETE STOP before putting the tool down.

A

A

B

Fig. 19

Fig. 20

For convenient dust and chip collection, you can attach your shop vac to the GripVacunit by placing the hose on the GripVac handle (A) Fig. 20. See “ACCESSORIES”.

VARIABLE SPEED CONTROL

This router is equipped with a variable speed control (A) Fig. 21 with an infinite number of speeds between 10,000 and 23,000 RPM.

The speed is adjusted by turning the speed control knob (A).

A

Fig. 21

In low and medium speed operation, the speed control prevents the motor speed from decreasing. If you expect to hear a speed change, and continue to load the motor, you could damage the motor by overheating. Reduce the depth of cut and/or slow the feed rate to prevent tool damage.

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Contents Routers Table of Contents Important Safety InstructionsSafety Guidelines Definitions California PropositionGeneral Safety Rules General Safety Rules Additional Specific Safety Rules Clear the router bit area before starting motorSymbol Definition Motor Carton ContentsExtension Cord Selection Assembly Installing and Removing the BIT 891Functional Description ForewordInstalling and Removing the BIT Using Spindle Lock Actuator Adjusting Depth of CUT Installing the MotorAdjusting SUB-BASE Alignment All Routers Installing and Removing the BIT Vacuum HoseAdjusting the Plunge Base Pull up on plunge locking leverAdjusting Plunge Locking Lever Connecting to Power Source OperationStarting and Stopping the Motor Variable Speed ControlUsing the Tool Edge GuideInstalling the Optional Gripvac GripVac PartsSoft Start Using the MULTI-FUNCTION CaseTemplet Guides Using a Router Accessory Table Troubleshooting Maintenance Keep Tool CleanFailure to Start LubricationService AccessoriesWarranty Replacement Parts Service and RepairsCanadian PORTER-CABLE Delta Service Centers