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4-1/2” ANGLE GRINDER
91223
ASSEMBLY & OPERATING INSTRUCTIONS
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at http://www.harborfreight.com
© ®
Copyright 2004 by Harbor Freight Tools . All rights reserved. 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
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THANK YOU for choosing a HARBOR FREIGHT TOOLS product. For future reference, please complete the owner’s record below: Model_____________ Serial No.__________ Purchase Date___________ SAVE THE RECEIPT, WARRANTY AND THESE INSTRUCTIONS. It is important that you read the entire manual to become familiar with the unit BEFORE you begin assembly. Technical Specifications Tool Name: 4-1/2” Angle Grinder 5H92 SKU: 91223 Motor: 120V/60Hz, Single Phase, 11,100 RPM Cord Length: 8 FT. 2 Prong UL Approved
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6. Avoid body contact with grounded surfaces such as pipes, radiators, ranges, and refrigerators. There is an increased risk of electric shock if your body is grounded. 7. Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock. 8. Do not abuse the Power Cord. Never use the Power Cord to carry the tools or pull the Plug from an outlet. Keep the Power Cord away from heat, oil, sharp edges, or moving parts. Replace damaged Powe
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20. Store idle tools out of reach of children and other untrained persons. Tools are dangerous in the hands of untrained users. 21. Maintain tools with care. Keep cutting tools sharp and clean. Properly maintained tools with a sharp cutting edge are less likely to bind and are easier to control. Do not use a damaged tool. Tag damaged tools “Do not use” until repaired. 22. Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the tool’s
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9. Use only 4-1/2” diameter Grinding Wheels (not included) having a 5/8” center mounting hole. Never disable or modify the Wheel Guard. 10. Avoid unintentional starting. Make sure you are prepared to begin work before turning on this tool. 11. Do not force this tool. This tool will do the work better and safer at the speed and capacity for which it was designed. Do not force the rotating Grinding Wheel (not included) into the object being ground. Apply moderate pressure, allowing the Grind
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GROUNDING WARNING! Improperly connecting the grounding wire can result in the risk of electric shock. Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded. Do not modify the power cord plug provided with the tool. Never remove the grounding prong from the plug. Do not use the tool if the power cord or plug is damaged. If damaged, have it repaired by a service facility before use. If the plug will not fit the outlet, have a proper outlet inst
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EXTENSION CORDS 1. Grounded tools require a three wire extension cord. 2. As the distance from the supply outlet 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 and possible tool damage. (See Figure C.) 3. The smaller the gauge number of the wire, the greater the capacity of the cord. For example, a 14 gauge cord can carry a higher current than a 16 gauge cord. (See Figure C.
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SYMBOLOGY Double Insulated Canadian Standards Association Underwriters Laboratories, Inc. Volts Alternating Current V ~ Amperes A No Load Revolutions n o xxxx/min. per Minute (RPM) UNPACKING When unpacking, check to make sure the following parts are included. All sizes listed below are ap- proximate. If any parts are missing or broken, please call Harbor Freight Tools at the number on the cover of this manual. Refer to parts diagram at end of manual. Item # Description Qty. N/A Grinder 1 29 Sid
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Handle The Grinder comes with a SIDE HANDLE (#29) which can be screwed into either side of the Grinder. (refer to Figure 1.) Side Handle (#29) Figure 1 — Attaching Side Handle Installing Wheels Warning: Always disconnect from power source before adding or removing accessories. Use a cloth or glove to protect hands from abrasion. Spindle (#5) Inner Flange (#3) Wheel Nut Grinding (#1) Wheel (#2) Wrench (#28) Figure 2 — Installing Wheels Step 1:Using the WRENCH (#28) (refer to Figure
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Removing Wheels Step 1:Depress the LOCK PIN (#12) and turn the GRINDING WHEEL counterclockwise until the LOCK PIN engages. (See Figure 3). Lock Pin (#12) Wheel Nut Grinding (#1) Wheel (#2) Wrench (#28) Figure 3 — Removing Wheels Step 2:Using the WRENCH, loosen the WHEEL NUT by turning it counterclockwise. Step 3:Unscrew the WHEEL NUT and remove, then remove the GRINDING WHEEL from the SPINDLE. SKU 91223 Page 10
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Starting the Grinder WARNING: Ensure the GRINDER is not locked ON before plugging it in. Check the SLIDE SWITCH (#19) and make sure it is in the OFF position before plugging it into the power source. Step 1: To turn the Grinder ON, push the Slide Slide Switch] Switch (#19) forward with your thumb to the (#19) front position and the Grinder begins running. Step 2: To turn the Grinder OFF, move the Slide Switch (#19) backward with your thumb to the rear position until the Grinder stops running.
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MAINTENANCE WARNING: DO NOT DISASSEMBLE. This tool should be serviced by a qualified technician only. Incorrect reassembly can result in electric shock, fire, or further damage to the tool. Always keep the grinder clean Dust and grit containing particles from metal grinding often accumulate on interior surfaces and could create an electrical shock hazard if not frequently cleaned out. On a regular basis, blow dust and grit out of the motor housing using compressed air. Never blow compressed a
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PARTS LIST Item # Description Qty Item # Description Qty 1 Wheel Nut 1 16 Ball Bearing 1 2 Grinding Wheel 1 17 Stator 1 3 Inner Flange 1 18 Housing 1 4 Wheel Guard 1 19 Slide Switch 1 5 Spindle 1 20 Slide Bar 1 6 Packing Gland 1 21 Brush Holder 1 7 Ball Bearing 1 22 Carbon Brush 1 8 Gear 1 23 Brush Cap 1 9 Needle Roller Bearing 1 24 Cord 1 10 Gear Cover 1 25 Cover 1 11 Spring 1 26 Switch 1 12 Lock Pin 1 27 Switch Holder 1 13 Pinion 1 28 Wrench 1 14 Ball Bearing 1 29 Side Handle 1
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Assembly Diagram-Exploded View SKU 91223 Page 14
