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Step 4:It is highly recommended that you wear protective gloves and eye protection when using
the High Speed Cutter.

Step 5: Place the material you will be cutting into a vise or otherwise secure material so that it
can not move while you are cutting.  Mark the material
where you wish to cut it.

Step 6: Grip the High Speed Cutter so that your thumb
rests on the THROTTLE LEVER and Safety Latch.  This
will keep the PROTECTOR GUARD properly oriented.

Step 7: Make sure the CUTTING WHEEL is not touching the cutting surface.

Step 8: Press the Safety Latch forward with your thumb as you press down on the THROTTLE
LEVER as shown in Figure 5.

Safety Latch

Throttle Lever (#26)

High Speed Cutter

Figure 5  —  Operating the Safety Latch

Step 8:The High Speed Cutter’s cutting speed is variable between 5000 and 18,000 RPM.  Vary
the pressure placed on the THROTTLE LEVER to vary the speed.  Use only enough speed as
needed to cut through the material.

Step 9:Place the edge of the CUTTING WHEEL onto the surface to be cut.

Step 10:Keep a steady pressure on the High Speed Cutter as it cuts, but do not force the
CUTTING WHEEL as you will stall the High Speed Cutter.  Use only enough pressure to keep
the CUTTING WHEEL moving through the material.

WARNING 

Do Not place hands, hair, or 

loose clothing near the CUTTING 

WHEEL while using the High 

Speed Cutter. 

Page #8 -- SKU: 05490

Summary of Contents for 05490

Page 1: ...eserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools For technical questions and replacement parts please call 1 800 444 3353 AIR HIGH SPEED CUTTER ASSEMBLY and OPERATING INSTRUCTIONS ...

Page 2: ... in damp wet or poorly lit locations Don t expose to rain Keep work area well lit Do not use electrically powered air compressors in the presence of flammable gases or liquids 3 KEEP CHILDREN AWAY Children must never be allowed in the work area Do not let them handle machines tools or hoses 4 STORE IDLE EQUIPMENT When not in use tools must be locked up in a dry location to inhibit rust Always lock...

Page 3: ...mon sense Do not operate any tool when you are tired 15 CHECK DAMAGED PARTS Before using any tool any part that appears damaged should be carefully checked to determine that it will operate properly and perform its intended function Check for alignment and binding of moving parts any broken parts or mounting fixtures and any other condition that may affect proper operation Any part that is damaged...

Page 4: ...eplace the CUTTING WHEEL 33 refer to the steps below Step 1 Purchase an authorized replacement CUTTING WHEEL from Harbor Freight Tools Use only approved replacement accessories with your High Speed Cutter Step 2 Place the SPANNER 32 on the flats of the SPINDLE 6 Step 3 Insert the HEX WRENCH 31 into the HEX SCREW 1 as shown in Figure 1 Cutting Wheel 33 Spacer 2 Hex Screw 1 Hex Wrench 31 Figure 1 In...

Page 5: ... in Figure 2 CAUTION Do Not brace the SPANNER against the PROTECTOR GUARD while loosening or tightening the HEX SCREW Spacer 2 Hex Screw 1 Hex Wrench 31 Spanner 32 Spindle 6 Cutting Wheel 33 High Speed Cutter L o o s e n Step 5 Remove the CUTTING WHEEL and replace with a new one Figure 2 Replacing the Cutting Wheel Page 5 SKU 05490 ...

Page 6: ...ld the SPANNER and firmly tighten the HEX SCREW with the HEX WRENCH Step 9 You will need a union fitting sold separately before you can connect your High Speed Cutter to an air compressor Step 10 Attach an Air Coupler sold separately to the Union fitting if desired This is a useful accessory as it allows quick coupling action when using a variety of tools with the same air compressor Step 11 Your ...

Page 7: ...the manufacturer s instructions for proper maintenance of your filter The connector on the tool must not hold pressure when the air supply is disconnected If the wrong fitting is used the tool can remain charged with air after being disconnected and still be able to drive a fastener See Figure 4 for the recommended accessories and connection order High Speed Cutter CAUTION Always check CUTTING DIS...

Page 8: ...as you press down on the THROTTLE LEVER as shown in Figure 5 Safety Latch Throttle Lever 26 High Speed Cutter Figure 5 Operating the Safety Latch Step 8 The High Speed Cutter s cutting speed is variable between 5000 and 18 000 RPM Vary the pressure placed on the THROTTLE LEVER to vary the speed Use only enough speed as needed to cut through the material Step 9 Place the edge of the CUTTING WHEEL o...

Page 9: ...L OIL through the air line before each use or every hour if used continuously Step 3 Apply a few drops of oil to the THROTTLE LEVER 26 as shown in Figure 6 Work the THROTTLE LEVER a few times to lubricate Air Line Throttle Lever Figure 6 Lubrication Points Step 4 Check the condition of the CUTTING WHEEL Replace if necessary Step 5 Wipe off the High Speed Cutter Pay special attention to cleaning th...

Page 10: ...ushing O Ring 1 7 Front Rotor Ball Bearing 1 24 Throttle Valve 1 8 Front End Plate 1 25 Throttle Valve O Ring 2 9 Roll Pin 3 26 Throttle Lever with Safety Latch 1 10 Cylinder 1 27 Throttle Lever Pin 1 11 Rotor Collar 1 28 Exhaust Deflector 1 12 Rotor 1 29 Inlet Bushing O Ring 1 13 Rotor Blade 4 30 Air Inlet Bushing 1 14 Rear End Plate 1 31 Hex Wrench 1 15 Rear End Ball Bearing 1 32 Spanner 1 16 Mo...

Page 11: ...ASSEMBLY DIAGRAM Page 11 SKU 05490 ...

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