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

SKU 90287 

        

preventive safety measures reduce 

the risk of starting the power tool 

accidentally.
store idle power tools out of the 

d. 

reach of children and do not allow 

persons unfamiliar with the power 

tool or these instructions to operate 

the power tool.  Power tools are 

dangerous in the hands of untrained 

users.
Maintain power tools.  check for 

e. 

misalignment or binding of moving 

parts, breakage of parts and any 

other condition that may affect the 

power tool’s operation.  if damaged, 

have the power tool repaired before 

use.

  Many accidents are caused by 

poorly maintained power tools.

use the power tool, accessories 

f. 

and tool bits etc. in accordance 

with these instructions, taking into 

account the working conditions and 

the work to be performed.  Use of 

the power tool for operations different 

from those intended could result in a 

hazardous situation.

service

5. 

have your power tool serviced by a 

a. 

qualified repair person using only 

identical replacement parts. 

 

This will 

ensure that the safety of the power tool 

is maintained.

sharpener safety Warnings

Be careful of bits when sharpening. Bits 

1. 

will become 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 tool unattended when 

5. 

it is plugged into an electrical outlet.  

Turn off the tool, and unplug it from its 

electrical outlet before leaving.
This product is not a toy.  Keep it out of 

6. 

reach of children.
People with pacemakers should 

7. 

consult their physician(s) before use.  

Electromagnetic fields in close proximity 

to heart pacemaker could cause 

pacemaker interference or pacemaker 

failure.
WARNING: Handling the cord on this 

8. 

product will expose you to lead, a 

chemical known to the State of California 

to cause cancer, and birth defects or 

other reproductive harm. Wash hands 

after handling.  (California Health & 

Safety Code § 25249.5, 

et seq.

)

The warnings, precautions, and 

9. 

instructions discussed in this instruction 

manual cannot cover all possible 

conditions and situations that may occur.  

It must be understood by the operator 

that common sense and caution are 

factors which cannot be built into this 

product, but must be supplied by the 

operator.

  saVe these 

instructiOns.

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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