AG 450-7 (S/D) Printed: 23.07.
Printed: 23.07.
1 Information about the documentation 1.1 • • • About this documentation Read this documentation before initial operation or use. This is a prerequisite for safe, trouble-free handling and use of the product. Observe the safety instructions and warnings in this documentation and on the product. Always keep the operating instructions with the product and make sure that the operating instructions are with the product when it is given to other persons. 1.2 Explanation of symbols used 1.2.
1.3 Symbols on the product 1.3.1 Product-dependent symbols The following symbols are used on the product: Wear protective goggles Revolutions per minute Revolutions per minute Rated speed Diameter Protection class II (double-insulated) 1.4 Product information products are designed for professional users and only trained, authorized personnel are permitted to operate, service and maintain the products. This personnel must be specifically informed about the possible hazards.
Electrical safety ▶ Power tool plugs must match the outlet. Never modify the plug in any way. Do not use any adapter plugs with earthed (grounded) power tools. Unmodified plugs and matching outlets will reduce risk of electric shock. ▶ Avoid body contact with earthed or grounded surfaces, such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded. ▶ Do not expose power tools to rain or wet conditions.
2.2 ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ Safety warnings common for grinding, sanding, wire brushing, polishing or abrasive cuttingoff operations: This power tool is intended to function as a grinder, wire brushing or cut-off tool. Read all safety warnings, instructions, illustrations and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire and/or serious injury.
Kickback is the result of power tool misuse and/or incorrect operating procedures or conditions and can be avoided by taking proper precautions as given below. ▶ Maintain a firm grip on the power tool and position your body and arm to allow you to resist kickback forces. Always use auxiliary handle, if provided, for maximum control over kickback or torque reaction during start-up. The operator can control torque reactions or kickback forces, if proper precautions are taken.
2.3 Additional safety instructions Personal safety ▶ Use the tool only when it is in technically faultless condition. ▶ Never tamper with or modify the tool in any way. ▶ Always hold the power tool with both hands on the grips provided. Keep the grips clean and dry. ▶ Avoid touching rotating parts – risk of injury! ▶ Wear ANSI Z87.1 approved protective glasses, a hard hat, ear protection, protective gloves and light respiratory protection while using the power tool.
English Printed: 23.07.
8 English Printed: 23.07.
3 Description 3.1 Product overview English Printed: 23.07.
@ ; = % & ( ) + 3.2 Arbor lockbutton Steadying rib On/off switch Side handle Wrench Clamping nut Abrasive cutting disc / abrasive grinding disc Clamping flange § / : ∙ $ £ | ¡ Standard guard Clamping lever Adjusting screw Arbor Keyed locating lug Threaded bushing for handle Switch-on interlock release button On/off switch with dead-man function Intended use The product described is a hand-held electric angle grinder.
Discs Abrasive cutting disc Diamond cutting disc Abrasive grinding disc Wire brushes Application Designation Material Cutting, slitting DCD, DCTP mineral 3CS, 4CS, 3SS, 4SS Metal Cutting, slitting ACD Rough grinding Metal AGD, AFD, AND Wire brushes Metal Suitability of discs for the equipment used Item Equipment A Guard C Side handle B D E F 5 ACD X AG-D AF-D X X X X — X X X X X — — X X X X X — — Type 27 guard — — — — X — X X X X X Clamping
6.2.1 Installing the guard The guard is keyed to ensure that only guards of a type suitable for use with the product can be installed. The keyed locating lug also prevents the guard from coming into contact with the tool. 1. 2. 3. 4. Open the clamping lever. Fit the guard on to the arbor collar so that the keyed locating lug engages in the recess provided. Turn the guard to the required position. Secure the guard by closing the clamping lever.
6.2.4 Fitting or removing the front cover 1. Position the front cover with the closed side on the standard guard and push it on until it engages. 2. To remove it, release the catch for the front cover and then lift the front cover away from the standard guard. 6.3 Fitting and removing accessory tools CAUTION Risk of injury. The accessory tool may be hot. ▶ Wear protective gloves when changing the accessory tool.
6.3.2 Removing the accessory tool 1. Disconnect the supply cord plug from the power outlet. CAUTION Risk of breakage and irreparable damage. If the spindle lockbutton is pressed while the spindle is rotating, this may cause the accessory tool to work loose or detach from the power tool. ▶ Press the spindle lockbutton only when the spindle has stopped rotating. 2. Press the spindle lockbutton and hold it in this position. 3.
7.2 Switching on and off 7.2.1 Switching on Option: AG 450-7 S 1. 2. 3. 4. Plug the supply cord into the power outlet. Press the rear section of the on/off switch. Slide the on/off switch forward. Lock the on/off switch. ◁ The motor runs. 7.2.2 Switching off Option: AG 450-7 S ▶ Press the rear section of the on/off switch. ◁ The on/off switch jumps into the off position and the motor stops. 7.2.
8 Care of the product DANGER Electric shock due to breakdown of protective insulation. When working on metal under extreme conditions, conductive dust may accumulate inside the power tool, thereby adversely affecting the protective insulation. ▶ Use a stationary dust extraction system when working under extreme conditions. ▶ Clean the air vents frequently. ▶ Use a ground fault circuit interrupter (GFCI) in the electric power supply line to the power tool. WARNING Electrical hazards.
Trouble or fault Product does not develop full power. 11 Possible cause The extension cord conductor cross section (gauge) is inadequate. Action to be taken ▶ Use an extension cord with an adequate conductor cross section. Disposal Most of the materials from which Hilti tools and appliances are manufactured can be recycled. The materials must be correctly separated before they can be recycled. In many countries, your old tools, machines or appliances can be returned to Hilti for recycling.
18 English Printed: 23.07.
Printed: 23.07.
Hilti = registered trademark of Hilti Corp., Schaan Printed: 23.07.
