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

SKU 90287 

        

saVe this Manual

Keep this manual for the safety warnings 

and precautions, assembly, operating, 

inspection, maintenance and cleaning 

procedures.  Write the product’s serial number 

in the back of the manual near the assembly 

diagram (or month and year of purchase if 

product has no number).  Keep this manual 

and the receipt in a safe and dry place for 

future reference.

iMpOrtant saFetY 

inFOrMatiOn

in this manual, on the labeling, and 

all other information provided with 

this product:

  this is the safety alert 

symbol.  it is used to alert 

you to potential personal 

injury hazards.  Obey all 

safety messages that follow 

this symbol to avoid possible 

injury or death.

 

Danger indicates a 

hazardous situation 

which, if not avoided, will result 

in death or serious injury.
 

Warning indicates a 

hazardous situation 

which, if not avoided, could 

result in death or serious injury.
 

cautiOn, used with 

the safety alert 

symbol, indicates a hazardous 

situation which, if not avoided, 

could result in minor or moderate 

injury.

 

nOtice is used to 

address practices not 

related to personal injury.
 

cautiOn, without the 

safety alert symbol, is 

used to address practices not 

related to personal injury.

general power tool safety Warnings

 Warning read all safety warnings 

and instructions. Failure to follow the 

warnings and instructions may result 

in electric shock, fire and/or serious 

injury.   

save all warnings and instructions 

for future reference. 

The term ″power tool″ in the warnings 

refers to your mains-operated (corded) 

power tool or battery-operated 

(cordless) power tool.

Work area safety

1. 

Keep work area clean and well lit.  

a. 

Cluttered or dark areas invite accidents.
Do not operate power tools in 

b. 

explosive atmospheres, such as in 

the presence of flammable liquids, 

gases or dust.

  

Power tools create 

sparks which may ignite the dust or 

fumes.
Keep children and bystanders 

c. 

away while operating a power tool.

  

Distractions can cause you to lose 

control.

electrical safety

2. 

power tool plugs must match the 

a. 

outlet.  never modify the plug in 

any way.  Do not use any adapter 

plugs with grounded power tools.  

Unmodified plugs and matching outlets 

will reduce risk of electric shock.
avoid body contact with grounded 

b. 

surfaces such as pipes, radiators, 

Summary of Contents for 90287

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 Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included For technical q...

Page 2: ...minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury General Power Tool Safety Warnings WARNING Read all safety warnings and instructions Failure to follow the warnings and instructions may result in electric shock fire and or serious injury Save all warnings a...

Page 3: ...entional starting c Ensure the switch is in the off position before connecting to power source and or battery pack picking up or carrying the tool Carrying power tools with your finger on the switch or energizing power tools that have the switch on invites accidents Remove any adjusting key or wrench d before turning the power tool on A wrench or a key left attached to a rotating part of the power...

Page 4: ...come hot Handle with care allow tips to cool before storing Sharpening head may become hot 2 while using This is a normal result of operation Maintain labels and nameplates on 3 the tool These carry important safety information If unreadable or missing contact Harbor Freight Tools for a replacement Avoid unintentional starting Prepare to 4 begin work before turning on the tool Do not leave the too...

Page 5: ...eceding illustration See Outlets for 2 Prong Plug Extension Cords Grounded 1 tools require a three wire extension cord Double Insulated tools can use either a two or three wire extension cord As the distance from the supply outlet 2 increases you must use a heavier gauge extension cord Using extension cords with inadequately sized wire causes a serious drop in voltage resulting in loss of power an...

Page 6: ...14 12 10 12 1 16 0 14 12 10 16 1 20 0 12 10 TABLE A Based on limiting the line voltage drop to five volts at 150 of the rated amperes Symbology Double Insulated Canadian Standards Association Underwriters Laboratories Inc V Volts Alternating Current A Amperes n0 xxxx min No Load Revolutions per Minute RPM SPECIFICATIONS Required Power 120 V 60 Hz 70 W Speed 1 600 RPM Capacity 9 64 to 25 64 3 6 10 ...

Page 7: ...dure Place sharpener on a flat sturdy surface 1 and plug in Select a clean bit to be sharpened and 2 match its size with one of the holes in the head Figure 2 Putting Bits into Sharpener Twist until locked in place 3 Put the bit into the appropriate hole and twist until it locks into place See Figure 2 Figure 3 Tilt the Bit Tilt out slightly 4 Lean the bit towards the number on the outside of the ...

Page 8: ...e time required to get a sufficient edge is too long rough the bit into shape first using a bench grinder CAUTION 9 Do not touch the end of the bit after it is sharpened The bit will become hot Repeat the above steps to the other side 10 of the bit Sharpen both sides the same amount of time using the same amount of pressure Repeat the above steps as necessary to 11 sharpen bit Adjusting the Grindi...

Page 9: ...ew WHEEL 6 onto WHEEL 8 BASE 7 replace WASHER 5 and screw CYLINDER 4 back in Replace Wheel Assembly onto unit 9 Make sure that the inner flats of the ADJUSTMENT CYLINDER 4 match the outer flats of the DRIVE SPINDLE 11 Replace the DRILL 10 Index and SCREWS 3 Cleaning Keep the surface of your unit free of grit 1 dirt and grease Use soapy water or non toxic solvents Do not use petroleum based solvent...

Page 10: ... Spindle 1 5 Washer 1 6 Grinding Wheel 1 7 Wheel Base 1 8 Spring 1 9 Transmission Shaft 1 10 Dust Cover 1 11 Bearing 1 12 Drill Index Holder 1 13 Motor Housing Upper 1 14 Motor 1 15 Voltage Regulator 1 16 Switch 1 17 Motor Housing Lower 1 18 Cord 1 19 Round Screw 2 20 Cord Clamp 1 21 Screw 3 22 Bolt 1 23 Screw 2 24 Washer 2 25 Spindle Adaptor 1 REV 09j ...

Page 11: ...Page 11 For technical questions please call 1 800 444 3353 SKU 90287 Assembly Diagram 1 2 3 4 5 6 7 8 10 11 12 9 22 23 24 25 13 21 14 15 16 17 18 19 20 3 REV 09j ...

Page 12: ...ental or consequential damages so the above limitation of exclusion may not apply to you This warranty is expressly in lieu of all other warranties express or implied including the warranties of merchantability and fitness To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint must...

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