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Chicago Electric 66672, Set Up And Operating Instructions Manual, Page: 14 / 19

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Chicago Electric 66672 Set Up And Operating Instructions Manual Download Page 14

SKU 66672 

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

Page 14

the spindle. 

 

WARning:  To prevent serious 

injury, do not overtighten flange.  

Overtightening can damage the 

wheel, causing wheel failure.

Figure 7

Handle (21)

7.  Thread the Handle (21) onto either 

side of the tool - See Figure 7.

CHARging THE BATTERY

Figure 8

Battery

Grinder

Button

1. 

Charge the Battery before first use. 

To remove the Battery from the 

Grinder, hold down both buttons on 

each side of the Battery and slide the 

Battery downward to detach it from 

the Grinder - See Figure 8.

CAuTiOn!

 Do not charge the battery 

when it is still hot from use.  Because 

of thermal protection in the battery, 

wait for approximately 80 minutes for 

the battery to cool down first. After 

the charging cycle is completed, al-

low the Battery to cool prior to use.

Figure 9

Battery 

Charger (42)

Transformer (43)

2.  Insert the Transformer (43) into the 

Charger (42) and slide the Charger 

onto the Battery - See Figure 9.
Plug the Transformer into a ground-

3. 

ed, 120V electrical outlet.  
Typical charge time for the Battery 

is 8 hours the first time, and 5 to 7 

hours thereafter. While charging, the 

Battery and Charger may become 

warm to the touch. This is normal and 

does not indicate a prob lem.  When 

the Battery is charging both the red 

and green lights on the Charger will 

be lit.  
When the Battery is fully charged the 

4. 

red light will turn off, indicating that 

the Battery is ready for use. Once the 

Battery is charged, unplug the Trans-

former from the electrical outlet and 

remove the Charger from the Battery.

REV 09f

Summary of Contents for 66672

Page 1: ...result in serious injury Save this manual Copyright 2009 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 FreightTools Diagramswithinthismanualmaynotbedrawnproportionally Duetocontinuingimprovements actual product may differ slightly from the product described h...

Page 2: ...fety 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 Cordless Grinder Safety Warnings WARNING Read all safety warnings and instructions Failure to follow the warnings...

Page 3: ...al injury Use personal protective equip b ment Always wear eye protection Safety equipment such as dust mask non skid safety shoes hard hat or hearing protection used for appropri ate conditions will reduce personal injuries Prevent unintentional starting c Ensure the switch is in the off po sition before connecting to power source and or battery pack pick ing up or carrying the tool Carry ing pow...

Page 4: ...Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control Use the power tool accessories g 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 differ ent from those intended could result in a hazardous situation Battery tool use and car...

Page 5: ... flanges 7 backing pads or any other acces sory must properly fit the spindle of the power tool Accessories with arbor holes that do not match the mounting hardware of the power tool will run out of balance vibrate exces sively and may cause loss of control Do not use a damaged accessory 8 Before each use inspect the ac cessory such as abrasive wheels for chips and cracks backing pad for cracks te...

Page 6: ... carry important safety information If unreadable or miss ing contact Harbor Freight Tools for a replacement Avoid unintentional starting Prepare 18 to begin work before turning on the tool Do not lay the tool down until it has 19 come to a complete stop Moving parts can grab the surface and pull the tool out of your control Do not leave the tool unattended 20 when it is plugged into an electrical...

Page 7: ...oint of the bind ing For example if an abrasive wheel is snagged or pinched by the work piece the edge of the wheel that is entering into the pinch point can dig into the surface of the material causing the wheel to climb out or kick out The wheel may either jump toward or away from the operator depend ing on direction of the wheel s movement at the point of pinching Abrasive wheels may also break...

Page 8: ...ended for larger power tool is not suitable for the higher speed of a smaller tool and may burst Safety Warnings Specific for Sanding Operations Do not use excessively oversized 1 sanding disc paper Follow manu facturer s recommendations when selecting sanding paper Larger sanding paper extending beyond the sanding pad presents a laceration hazard and may cause snagging tearing of the disc or kick...

Page 9: ... the tool do the work To reduce vibration maintain the tool 7 as explained in this manual If any abnormal vibration occurs stop use immediately Save these instructions Grounding To prevent electric shock and death from incorrect grounding wire connection 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 w...

Page 10: ...nsulated tools may be used 2 in either of the 120 volt outlets shown in the preceding 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 exten sion cords with inadequ...

Page 11: ...ENSION CORDS 120 240 VOLT NAMEPLATE AMPERES at full load EXTENSION CORD LENGTH 25 50 75 100 150 0 2 0 18 18 18 18 16 2 1 3 4 18 18 18 16 14 3 5 5 0 18 18 16 14 12 5 1 7 0 18 16 14 12 12 7 1 12 0 18 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 Underwrite...

Page 12: ...tting into use Read the entire Important Safety Information section at the beginning of this manual including all text under subheadings therein before set up or use of this product To prevent serious injury from accidental operation Turn the Power Switch of the tool to its OFF position and disconnect the battery before assembling or making any adjustments to the tool Note For additional informati...

Page 13: ...e mounting Perform a ring test on the wheel as follows Suspend wheel using a pin or finger a through the arbor hole Figure 5 Tap Wheel Here 45 45 45 45 Hang Wheel from Pin V E R T I C A L C E N T E R b Tap the flat side of the wheel with a light non metallic object such as a screwdriver handle at a point 45 from the vertical center line on each side of the wheel and 1 2 inches from the edge of the...

Page 14: ...mately 80 minutes for the battery to cool down first After the charging cycle is completed al low the Battery to cool prior to use Figure 9 Battery Charger 42 Transformer 43 2 Insert the Transformer 43 into the Charger 42 and slide the Charger onto the Battery See Figure 9 Plug the Transformer into a ground 3 ed 120V electrical outlet Typical charge time for the Battery is 8 hours the first time a...

Page 15: ...cts nearby that will present a hazard while working General Operating Instructions To prevent serious injury Grip the tool firmly in both hands Figure 10 Battery Grinder Button 1 Install the charged Battery onto the Grinder See Figure 10 Depress the Switch 28 to start the 2 Grinder Allow the tool to come up to full 3 speed before touching the work ma terial Apply the wheel to the work mate 4 rial ...

Page 16: ...l failure Do not use damaged equipment If abnormal noise or vibration occurs have the problem corrected before further use Cleaning Maintenance and Lubrication BEFORE EACH USE 1 inspect the general condition of the tool Check for loose screws misalignment or binding of moving parts cracked or broken parts and any other condition that may affect its safe operation Periodically blow dust and grit ou...

Page 17: ...2 Carbon Brushes worn or damaged 3 Decrease pressure allow tool to do 1 the work Charge battery 2 Have a qualified technician replace 3 carbon brushes Tool does not grind effectively Grinding Wheel loose on Spindle 1 Grinding Wheel damaged worn or 2 wrong type for material Be sure Grinding Wheel is the correct 1 specification and Clamp Nut tight Use correct Grinding Wheel accessory 2 in good condi...

Page 18: ...2 Nut 1 Part Description Qty 23 6 mm Nut 1 24 Gear 1 25 Gearbox Cover 1 26 Block 1 27 Motor 1 28 Switch 1 29 Plate 1 30 Right House 1 31 Left House 1 32 Screw 14 33 Contactor 3 34 Bracket 1 35 Spring 1 36 Battery 1 37 Battery Pack Right House 1 38 Battery Pack Left House 1 39 Right Button 1 40 Left Button 1 41 Strap 1 42 Pin Wrench not shown below 1 43 Battery Charger not shown below 1 44 Transfor...

Page 19: ...pply to damage due directly or indirectly to misuse abuse negligence or accidents repairs or alterations outside our facilities criminal activity improper installation normal wear and tear or to lack of maintenance We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our product Some states do...

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