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pecifications:
Model:
AG45
Input:
C, 4.5 Amp.
No-Load Speed:
1,000 RPM
Wheel Size:
1/2"
Item: 399444
Arbor Size:
4-½ in - 7.5 Amp
1
ANGLE GRINDER
Net Weight:
s.
Specifications:
pecifications:
Model:
Input: 120V AC, 60 Hz,
AG45
7.5 Amp
Input:
C, 4.5 Amp.
No-Load Speed:
No-Load Speed:
10,500 RPM
1,000 RPM
Wheel Size:
Wheel Size:
1/2"
4 ½ in. (115 mm)
Arbor Size:
1
Spindle Thread:
Net Weight:
5/8 in. - 11
s.
Net Weight:
4.1 lbs.
Includes: One 4 1/2 in.
Metal Grinding Wheel,
Auxiliary Handle,
and Wrench
Five Year
Limited Warranty -
See details at the end
of this manual.
WARNING: To reduce the risk
of injury, user must read and
understand this operator's manual
before operating this tool.
SAVE THIS MANUAL FOR FUTURE
REFERENCE.
120V
5/8"-
3.1
120V
5/8"-
3.1
Operator's Manual
4-½ in.- 7.5 Amp Angle Grinder
Toll-Free Help Line
1-800-222-5381
AAG45
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Summary of Contents for Klutch 399444
- Page 1 Model: AG45 Input: 120V C, 4.5 Amp. No-Load Speed: 1,000 RPM Wheel Size: 1/2" Item: 399444 Arbor Size: 5/8"- 4-½ in - 7.5 Amp ANGLE GRINDER Net Weight: 3.1 Specifications: pecifications: Model: Input: 120V AC, 60 Hz, AG45 7.5 Amp Input: 120V C, 4.5 Amp. No-Load Speed: No-Load Speed:...
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Page 2: General Safety Rules
GENERAL SAFETY RULES WARNiNG: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to cause cancer, birth defects or other reproductive harm. Some examples of these chemicals are: • lead from lead-based paints, • crystalline silica from bricks and cement and other masonry products, and • arsenic and chromium from chemically treated lumber. - Page 3 REMOVE ADJUSTiNG KEYS AND WRENCHES BEFORE STARTiNG THE TOOL. Keys, wrenches, scrap, and other debris can be thrown at high speed, possibly causing serious personal injury. 10. KEEP CHiLDREN AND ViSiTORS AWAY. Your shop is a potentially dangerous environment and visitors should not be allowed to contact any tools, extension cords, or roam about unsupervised. All visitors should wear safety glasses and be kept a safe distance from the work area. 11. MAKE THE WORKSHOP CHiLDPROOF by using padlocks, master switches, and by removing starter keys from tools. 12. MAiNTAiN ALL TOOLS AND MACHiNES WiTH CARE. Keep tools sharp and clean for best and safest performance. Follow instructions for lubricating and changing accessories. 13. DiSCONNECT TOOLS WHEN NOT iN USE, before servicing, or when changing attachments, blades, bits, cutters, etc.
- Page 4 work-piece in the same direction as the cutting tool rotates causes the work-piece to be thrown out at high speed. 23. NEVER LEAVE THE TOOL RUNNING UNATTENDED. TURN THE POWER OFF. Don’t leave the machine until it comes to a complete stop. 24. TURN THE MACHINE “OFF”, AND DISCONNECT THE MACHINE FROM THE POWER SOURCE before adjusting or changing set-ups, or when making repairs. An accidental start-up may occur causing personal injury. 25. NEVER USE THE TOOL IN AN EXPLOSIVE ATMOSPHERE. Normal sparking of the motor could ignite fumes. 26. KEEP THE TOOL DRY, CLEAN, AND FREE FROM OIL AND GREASE. Always use a clean cloth when cleaning. Never use brake fluids, gasoline, petroleum-based products, or any solvents to clean the tool.
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Page 5: Extension Cords
the dust. Allowing dust to get into your mouth or eyes, or lay on your skin may promote absorption of harmful material. Always use properly fitting NIOSH/OSHA approved respiratory protection appropriate for dust exposure, and wash exposed areas with soap and water. EXTENSiON CORDS Grounded 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 power supply outlet increases, you must use a... - Page 6 3. Hold the tool by insulated gripping surfaces when performing an operation where the cutting tool may contact hidden wiring or its own cord. Contact with a “live” wire will make exposed metal parts of the tool “live” and shock the operator. 4. Grinding wheel and guard must be securely attached as described in this manual before connecting the grinder to a power source. Make sure that the guard is in good before operating the grinder. 5. Check the grinding wheel carefully visible defects before operation. Replace cracked, chipped, or warped wheel immediately. Run the tool (with guard) at no load speed for about a minute, holding tool away from others. If wheel is flawed, it will likely separate during this test. 6. Always use safety glasses or goggles. Ordinary eye or sun glasses are NOT safety glasses. 7. When using depressed center grinding wheels, be sure to use only fiberglass reinforced wheels. 8. Use only flanges and clamp nut specified for this tool; do not over tighten the clamp nut on the grinding wheel. Excessive tightening can cause the wheel to crack during operation. 9. Be careful not to damage the spindle, the flange, or clamp nut (especially the installing surface) or the lock nut. Damage to these parts could result in wheel breakage. 10.NEVER use tool with wood cutting blades or other saw blades. Such blades when used on a grinder frequently kick and cause loss of control leading personal injury. 11.Hold the tool firmly with both hands. 12.Keep hands away from rotating parts. 13.Make sure cord is clear of wheel. Do not wrap cord around your arm or wrist. If control of tool is lost, cord may become wrapped around you and cause personal injury. 14.Make sure the wheel is not contacting the workpiece before the switch is turned on. 15.Before using the tool on an actual workpiece, let it run for a while. Watch for vibration or wobbling that could indicate poor installation or a poorly balanced wheel. 16.Use the specified surface of the wheel to perform the grinding. Never use the side or upper surfaces for cutting. 17.Watch out for flying sparks. Hold the tool so that sparks fly away from you and other persons or flammable materials. 18.Do not leave the tool running. Operate the tool only when hand-held. 19.Do not touch the workpiece immediately after operation; it may be extremely hot and could burn your skin. 20.ALWAYS wear proper apparel including long sleeve shirts, leather gloves and shop aprons to protect skin from contact with hot grindings. 21.Use of this tool to grind or sand some products, paints and wood could expose user to containing hazardous substances. Use appropriate respiratory protection.
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Page 7: Operation
OPERATION SAVE THESE INSTRUCTIONS WARNiNG: MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury. WARNiNG: Before plugging in the tool, always check to see that the tool is switched off. WARNiNG: The switch can be locked in “ON” position for ease of operator comfort during extended use. Apply caution when locking tool in “ON” position and maintain a firm grasp on the tool. SWITCH ACTION: Caution: This tool has a safety feature on switch to prevent from accidently turning on. 1. To start the tool, first press downward on the rear end of switch , then slide the switch forward to the (ON) position. 2. For continuous operation, press the front of slide switch downward to lock it on. 3. To stop the tool, press downward on the rear of slide switch, the switch will return to the "OFF posistion. INSTALLING THE AUXILLARY HANDLE: WARNiNG: Always be sure that the tool is switched off and unplugged before performing any work on the tool. Your grinder is equipped with a three position auxillary handle; it can be mounted on either the left, top or right side of the die cast gear housing. Generally, a right handed operator will grip the body of the grinder with their right hand and grip auxillary handle, mounted to the left side of the gear housing, with their left hand. The opposite gripping and auxillary handle placement is generally used by a left handed operator. Occasionally, auxillary handle placement needs to be changed to accommodate the requirements or restrictions of the operation being performed. To mount the auxillary handle to the grinder, simply securely screw the handle into the threaded hole on the left, top or right side of the die cast gear housing. INSTALLING OR REMOVING WHEEL GUARD: WARNiNG: Always be sure that the tool is switched off and unplugged before performing any work on the tool. - Page 8 WARNiNG: Always be sure that the tool is switched off and unplugged before adjusting, adding accessories, or checking a function on the tool. 1. Mount the inner flange with the machined "flats" side down onto the spindle. Slowly rotate the inner flange until it engages the corresponding matching machined “flats” on the spindle shaft. 2. Slide the wheel, crown side down and depressed side up, over the spindle shaft and over the raised shoulder on the inner flange. 3. Screw the outer flange onto the spindle with the shouldered side down. 4. Firmly depress the spindle lock so the spindle cannot revolve; then use the lock nut wrench, turning it clockwise, to securely tighten the outer flange. 5. To remove the wheel, follow the installation procedure in reverse. WARNiNG: Always install grinding wheel with the depressed center against the disc flange. Failure to do so will cause the grinding wheel to crack when tightening the clamp nut. This could result in serious personal injury because of loose particles breaking off and being thrown from the grinder. Never use a grinding wheel with a mounting hole larger than 5/8". Do not overtighten. WARNiNG: Always use the supplied guard when a depressed center grinding wheel is on the tool. The wheel can shatter during use and the guard helps reduce the chances of personal injury. INSTALLING OR REMOVING AN ABRASIVE DISC: WARNiNG: Always be sure that the tool is switched off and unplugged before adjusting, adding accessories, or checking a function on the tool. 1. Mount the rubber backing pad onto the spindle. 2. Place abrasive disc onto the spindle, then fit the disc onto rubber pad and begin to screw the outer flange onto the spindle. 3. Firmly depress the spindle lock so that the spindle cannot rotate, then use the lock nut wrench and securely tighten clockwise. 4. To remove the disc, follow the installation procedure in reverse. GRINDING AND SANDING OPERATION: WARNiNG: Never force the tool; the weight of the tool applies adequate pressure.
- Page 9 ground. Ensure that the minimum operating speed of any accessory wheel selected for use. ALWAYS hold the tool firmly with one hand on the motor housing and the other on the side handle. Turn the tool on and then apply the wheel or disc to the workpiece. The key to efficient operation begins by controlling the pressure and surface contact between grinding wheel and the workpiece. Flat surfaces are usually best ground by keeping the edge of the wheel at an angle of 5 to 15 degrees. Maintaining the proper angle of 5 to 15 degrees by tilting the grinder and continuously moving the grinder back and forth or up and down over the work area. Keep the grinder moving to avoid removing a excessive amount of material from one area. Use just enough pressure to keep the tool from chattering or bouncing; normally the weight of the tool alone is adequate for most grinding jobs. Where there is a chance that the grinding wheel may get snagged by the workpiece, such as loose bolts or jagged edges, causing loss of tool control, use lighter pressure. OPERATION WITH WIRE BRUSHES: WARNiNG: In normal wire brushing operations, the material being removed and brush bristles will fly off, going great distances with extreme force. The potential for serious injury exists. To protect against this hazard, the operator and others in the work area must wear protective clothing and safety goggles. Wearing a full face mask over safety glasses with side shields is highly suggested. WARNiNG: Always be sure that the tool is switched off and unplugged before adjusting, adding accessories, or checking a function on the tool. Do not use a brush that is damaged or is out of balance. Use of a damaged brush increases the potential for injury from contact with broken brush wires. Wire brushes designed for grinder use are available in a variety of shapes, sizes, and wire types. Unlike grinding wheels which are held in place inner and flange washers, wire brushes screw onto the spindle; for this grinder, wire brushes utilizing a 5/8"-11unc thread are required. The flat brush styles must also be of a diameter and thickness which allows their use with the guard in place. To install the wire brush, unplug the tool and place it upside down allowing easy access to the spindle. Remove any accessories on the spindle, then thread the wire brush onto the spindle and tighten securely with an adjustable wrench while depressing the spindle lock. Perform wire brush operations in a fashion similar grinding as described in the previous section. Tip the grinder from 5 to 15 degrees and allow the weight of the tool to remove material as desired. Excessive pressure causes premature wire breakage and bending over of the wires.
- Page 10 1. On/Off Switch 2. Wheel Guard 3. Spindle Lock 4. Inner Flange 5. Side Handle 6. Grinding Disk FIVE-YEAR LIMITED WARRANTY This product is warranted free from defects in material and workmanship for 5 years after date of purchase. This limited warranty does not cover normal wear and tear nor damage from neglect or accident. The original purchaser is covered by this warranty and it is not NORTHERN transferable. Please return the tool to store location of purchase or contact TOOL AND EqUIPMENT CUSTOMER SERVICE. northerntool.com or 1-800-222-5381 Distributed by: Northern Tool and Equipment Co., Inc. 2800 Southcross Drivr West Burnsville, MN 55337-0499 Made in China Printed in China, on recycled paper...
- Page 11 NOTES...
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