Harbor Freight Tools 93012 operating instructions Mounting Plain Ended Blades, Troubleshooting

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Mounting Plain Ended Blades

Included as an accessory are two Plain End Blade Adapters. When installed, they enable the mounting of plain end saw blades (not included). To install blades of this type:

1.Using a Hex Wrench, loosen both set screws on each of the Plain End Blade Adapters.

2.Slide the gap between the two set screws over each end of the blade.

3.Evenly tighten all set screws. Pull on the Adapters slightly to make sure they are secure.

4.Remove the old blade. Pull the Insert out and rotate it 90° to the position shown at right.

5.Loosen the Blade Tension Knob (21) by turning counterclockwise about two full turns.

6.Place the Blade Adapter’s bar under the end of the Lower Blade Holder (40). Make sure that the blade’s teeth point the right direction.

Turn the Insert 90° Counterclock-

wise to this position.

7.Push down slightly on the Upper Rocker Arm (29), and place the Blade Adapter’s other bar over the end of the Upper Blade Holder (37).

8.Tighten the Blade Tension Knob (21) by turning clockwise about two full turns.

TROUBLESHOOTING

PROBLEM

PROBABLE CAUSE

SUGGESTED REMEDY

 

 

 

 

 

 

1. Wrong blade tension

1. Adjust blade tension.

 

 

2. Over-working blade.

2. Reduce feed cut rate.

 

Blades breaking

3. Wrong blade application

3. Use narrow blades for cutting thin

 

 

wood, wide blades for cutting thicker

 

 

 

 

 

 

wood.

 

 

4. Blade twisting in wood

4. Avoid side pressure on blade.

 

 

 

 

 

 

1. No power at outlet.

1. Check power source.

 

Motor does not run

2. Defective power cord or plug.

2. Repair or replace defective parts.

 

3. Defective motor.

3. Have motor repaired or replaced by an

 

 

 

authorized service technician.

 

 

 

 

 

 

1. Improper Base mounting.

1. Make sure mounting hardware is

 

 

 

secure.

 

Excessive Vibration

2. Unsuitable mounting surface.

2. The heavier the work bench, the less

 

 

 

vibration will occur.

 

 

3. Loose motor mounting.

3. Tighten motor mounting hardware.

 

 

 

 

 

Blade not in line

1. Blade holders not aligned.

1. Loosen Blade Holder Hex Bolts and re-

 

 

align Upper and Lower Blade Holders.

 

with arm motion

 

 

 

Tighten Hex Bolts.

 

 

 

 

 

 

 

 

 

 

REV 09/05

SKU 93012

For technical questions, please call 1-800-444-3353

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Contents Scroll SAW Save this Manual SpecificationsGeneral Safety Rules Work AreaElectrical Safety Personal SafetyTool Use and Care ServiceSpecific Safety Rules for this Product SKU Grounding Grounded Tools with Three Prong PlugsRecommended Minimum Wire Gauge for Extension Cords Extension CordsSymbology UnpackingControls and Indicators Assembly InstructionsCheck and Align Bevel Indicator Mounting Scroll Saw to WorkbenchStraight, Cross, Bevel Cuts, and Ripping Turning On and Adjusting SpeedTable Angle Adjustment Inside CutsJamming of Saw Blade and Workpiece Removing and Installing BladesCurved Cuts INSPECTION, MAINTENANCE, and Cleaning LubricationTeeth / Inch Width Thickness Material Cut Troubleshooting Mounting Plain Ended BladesParts List DescriptionAssembly Drawing