Chicago Electric 91223 Owner'S Manual Download

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Visit our website at: http://www.harborfreight.com

Email our technical support at: [email protected]

18 VOLT

Cordless

1/4" Hex

Impact Driver

Visit our website at: http://www.harborfreight.com

Email our technical support at: [email protected]

ITEM 91223

HEAVY DUTY

4-1/2"

ANGLE GRINDER

Read this material before using this product.

Failure to do so can result in serious injury.

SAVE THIS MANUAL.

2011 by Harbor Freight Tools

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.

When unpacking, make sure that the product is intact

and undamaged. If any parts are missing or broken,

please call 1-800-444-3353 as soon as possible.

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.

Owner’s Manual & Safety Instructions

Summary of Contents for 91223

Page 1: ... 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 When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 800 444 3353 as soon as possible Save Th...

Page 2: ...erate injury Addresses practices not related to personal injury IMPORTANT SAFETY INFORMATION General Power Tool Safety Warnings 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 cord...

Page 3: ...attention while operating power tools may result in serious personal injury 2 Use safety equipment Always wear eye protection Safety equipment such as dust mask non skid safety shoes hard hat or hearing protection used for appropriate conditions will reduce personal injuries 3 Prevent unintentional starting Ensure the switch is in the off position before connecting to power source and or battery p...

Page 4: ... these instructions to operate the power tool Power tools are dangerous in the hands of untrained users 5 Maintain power tools Check for 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 6 Keep cutting tools sharp a...

Page 5: ...rom the plane of the rotating accessory and run the power tool at maximum no load speed for one minute Damaged accessories will normally break apart during this test time 8 Wear personal protective equipment Depending on application use face shield safety goggles or safety glasses As appropriate wear dust mask hearing protectors gloves and workshop apron capable of stopping small abrasive or work ...

Page 6: ...Ground Fault Circuit Interrupter GFCI should also be implemented it prevents sustained electrical shock 24 WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are Lead from lead based paints Crystalline silic...

Page 7: ...nagging 4 Use special care when working corners sharp edges etc Avoid bouncing and snagging the accessory Corners sharp edges or bouncing have a tendency to snag the rotating accessory and cause loss of control or kickback 5 Do not attach a saw chain woodcarving blade or toothed saw blade Such blades create frequent kickback and loss of control Safety Warnings Specific for Grinding and Abrasive Cu...

Page 8: ...per Larger sanding paper extending beyond the sanding pad presents a laceration hazard and may cause snagging tearing of the disc or kickback Safety Warnings Specific for Wire Brushing Operations 1 Be aware that wire bristles are thrown by the brush even during ordinary operation Do not overstress the wires by applying excessive load to the brush The wire bristles can easily penetrate light clothi...

Page 9: ... user reducing the risk of electric shock See 3 Prong Plug and Outlet 2 The grounding prong in the plug is connected through the green wire inside the cord to the grounding system in the tool The green wire in the cord must be the only wire connected to the tool s grounding system and must never be attached to an electrically live terminal See 3 Prong Plug and Outlet 3 The tool must be plugged int...

Page 10: ...utdoor use 7 Make sure the extension cord is properly wired and in good electrical condition Always replace a damaged extension cord or have it repaired by a qualified electrician before using it 8 Protect the extension cords from sharp objects excessive heat and damp or wet areas RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS 120 240 VOLT NAMEPLATE AMPERES at full load EXTENSION CORD LENGTH 2...

Page 11: ...call 1 800 444 3353 Item 91223 Specifications Electrical Rating 120V 4 5A Motor No Load Speed 11 000 RPM Max Accessory Diameter 4 1 2 114 mm Arbor Hole Diameter 7 8 Spindle Thread 5 8 x 11 TPI E194601 5H92 SAFETY OPERATION MAINTENANCE SETUP ...

Page 12: ...agram near the end of this manual ASSEMBLY Adjusting the Wheel Guard TO PREVENT SERIOUS INJURY Do not operate this tool without the Wheel Guard properly installed 1 Loosen the Wheel Guard Nut 2 Rotate the Wheel Guard as needed to shield you during the planned work 3 Tighten the Wheel Guard Nut securely 4 Check the Wheel Guard to ensure it is firmly in place Adjust if necessary before proceeding In...

Page 13: ...stions please call 1 800 444 3353 Item 91223 Functions Switch Side Handle Wheel Guard Wheel Guard Bolt Switch Press the Switch forward to turn the tool on pull it backward to turn the tool off SAFETY OPERATION MAINTENANCE SETUP ...

Page 14: ...he Inner Flange in position on the Spindle 4 Closely inspect the Grinding Wheel before mounting Perform a ring test on the wheel unless wheel is smaller than 4 or is an unusual shape as follows a Suspend wheel using a dowel or finger through the arbor hole b Tap Wheel Here 45 45 45 45 Hang Wheel from Dowel V E R T I C A L C E N T E R Tap the flat side of the wheel with a light non metallic object ...

Page 15: ...mage The power cord must reach the work area with enough extra length to allow free movement while working 3 Secure loose work pieces using a vise or clamps not included to prevent movement while working 4 There must not be hazardous objects such as utility lines or foreign objects nearby that will present a hazard while working 5 You must use personal safety equipment including but not limited to...

Page 16: ...intain the brushes a Remove the Brush Cap 23 on each side of the motor Housing 18 Housing 18 Brush Cap 23 Carbon Brush 22 Figure 2 Replacing the Carbon Brushes b Remove the Carbon Brushes 22 from the Housing Keep track of which orientation the old Carbon Brushes were in to prevent needless wear if they will be reinstalled c If either Carbon Brush is worn down by more than 1 2 replace both Carbon B...

Page 17: ...ases over time Carbon brushes worn or damaged Have qualified technician replace brushes Excessive noise or rattling Internal damage or wear Carbon brushes or bearings for example Have technician service tool Overheating 1 Forcing tool to work too fast 2 Blocked motor housing vents 3 Motor being strained by long or small diameter extension cord 1 Allow tool to work at its own rate 2 Wear ANSI appro...

Page 18: ...CT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO Parts List Part D...

Page 19: ...Page 19 For technical questions please call 1 800 444 3353 Item 91223 Assembly Diagram SAFETY OPERATION MAINTENANCE SETUP ...

Page 20: ... the exclusion or limitation of incidental 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...

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