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Harbor Freight Tools 91223 manual

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Table of contents for the manual

  • Page 1

    4-1/2” ANGLE GRINDER 91223 ASSEMBL Y & OPERA TING INSTR UCTIONS 3491 Mission Oaks Blvd., Camarillo , CA 93011 Visit our W eb site at http://www .harborfreight.com Cop yr ight © 2004 by Harbor F reight T ools ® . All r ights reserved. No por tion of this manual or any ar twork contained herein ma y be reproduced in any shape or f orm without[...]

  • Page 2

    SKU 91223 Page 2 THANK Y OU f or choosing a HARBOR FREIGHT TOOLS product. For future ref erence, please complete the owner’ s record below: Model _____________ Serial No. __________ Purc hase Date ___________ SA VE THE RECEIPT , W ARRANTY AND THESE INSTR UCTIONS . It is impor tant that you read the entire man ual to become f amiliar with the unit[...]

  • Page 3

    SKU 91223 Page 3 6. A v oid body contact with gr ounded surfaces such as pipes, radiators, rang es, and refrigerators. There is an increased r isk of electric shock if y our body is grounded. 7. Do not expose po wer tools to rain or wet conditions. W ater entering a pow er tool will increase the risk of electr ic shoc k. 8. Do not abuse the P ower [...]

  • Page 4

    SKU 91223 Page 4 20. Store idle tools out of reach of children and other untrained per sons. T ools are dangerous in the hands of untrained users. 21. Maintain tools with care. K eep cutting tools sharp and clean. Properly maintained tools with a shar p cutting edge are less lik ely to bind and are easier to control. Do not use a damaged tool. T ag[...]

  • Page 5

    SKU 91223 Page 5 9. Use onl y 4-1/2” diameter Grinding Wheels (not inc luded) having a 5/8” center mounting hole. Ne ver disable or modify the Wheel Guard. 10. A v oid unintentional starting. Make sure y ou are prepared to begin w ork before turning on this tool. 11. Do not for ce this tool. This tool will do the wor k better and saf er at the [...]

  • Page 6

    SKU 91223 Page 6 GROUNDED T OOLS: T OOLS WITH THREE PR ONG PLUGS 1. T ools mar ked with “Grounding Required” ha ve a three wire cord and three prong g rounding plug. The plug must be connected to a properly grounded outlet. If the tool should electr ically malfunction or break down, grounding pro vides a low resistance path to carry electr icit[...]

  • Page 7

    SKU 91223 Page 7 EXTENSION CORDS 1. Gr ounded tools require a three wire e xtension cord. 2. As the distance from the suppl y outlet increases, you m ust use a heavier gauge extension cor d. Using extension cords with inadequately siz ed wire causes a ser ious drop in v oltage, resulting in loss of power and possib le tool damage. (See Figure C.) 3[...]

  • Page 8

    SKU 91223 Page 8 W arning: There are certain applications for which this tool was designed. Harbor Freight T ools strongly recommends that this tool not be modified and/or used for any application other than which it was designed. All accessories must be rated for at least the RPM speed recommended on the tool’ s warning label. Wheels and other a[...]

  • Page 9

    SKU 91223 Page 9 Handle The Grinder comes with a SIDE HANDLE (#29) which can be screwed into either side of the Grinder . (refer to Figure 1.) Figure 1 — Attaching Side Handle Installing Wheels W arning: Always disconnect from power source before adding or removing accessories. Use a cloth or glove to protect hands from abrasion. Figure 2 — Ins[...]

  • Page 10

    SKU 91223 Page 10 Removing Wheels S tep 1: Depress the LOCK PIN (#12) and turn the GRINDING WHEEL counterclockwise until the LOCK PIN engages. (See Figure 3). Figure 3 — Removing Wheels S tep 2: Using the WRENCH, loosen the WHEEL NUT by turning it counterclockwise. S tep 3: Unscrew the WHEEL NUT and remove, then remove the GRINDING WHEEL from the[...]

  • Page 11

    SKU 91223 Page 11 S tarting the Grinder W ARNING: 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. S tep 1: T o turn the Grinder ON, push the Slide Switch (#19) forward with your thumb to the front position and the Grinder begins[...]

  • Page 12

    SKU 91223 Page 12 MAINTENANCE W ARNING: 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 p articles from metal grinding of ten accumulate on interior surfaces and could creat[...]

  • Page 13

    SKU 91223 Page 13 P ARTS LIST Item # Description Qty Item # Description Qty 1 Wheel Nut 1 16 Ball Bearing 1 2 Grinding Wheel 1 17 S tator 1 3 Inner Flange 1 18 Housing 1 4 Wheel Guard 1 19 Slide Switch 1 5 S pindle 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[...]

  • Page 14

    SKU 91223 Page 14 Assembly Diagram-Exploded V iew[...]