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Hersteller: Harbor Freight Tools Dateigröße: 608.81 kb Dateiname: et-3301-j.pdf Unterrichtssprache:

To keep the double insulation system effective, follow these precautions: a. Only a AUTHORIZED JOHN DEERE DEALER should disassemble or assemble this power tool, and only genuine JOHN DEERE replacement parts should be installed. b. Clean the exterior of the power tool only with a soft cloth moistened with soapy water, and dry thoroughly. Never use solvents, gasoline or thinners on plastic components; otherwise the plastic may dissolve. 4 1/4-Inch Disc Grinder Operator's Manual IMPORTANT SAFETY INSTRUCTIONS FOR USE OF THE DISC GRINDER WARNING: DEATH OR SERIOUS BODILY INJURY COULD RESULT FROM IMPROPER OR UNSAFE USE OF THE DISC GRINDER. 1. NEVER operate the disc grinder without its wheel guard in place. 2. NEVER place hands or body parts near the disc during operation. 3. NEVER use a depressed center wheel which is cracked or deformed or worn away. 4. NEVER use a depressed center wheel with an RPM rating which is less than 13300 RPM. The wheel can disintegrate during use and cause severe injuries. 5. NEVER use the grinder in places where the sparks generated by the grinder can cause explosion, such as where flammable materials or gases are present. 6. NEVER push in the lock pin while the spindle is running. 7. ALWAYS wear eye protection that meets the requirement of the latest revision of ANSI Standard Z87.1. 8. ALWAYS wear a mask or respirator to protect yourself from dust or potentially harmful particles generated during the grinding operation. 9. ALWAYS firmly grip the body handle and side handle while operating the grinder. 10. ALWAYS have a trial run before grinding commence. 11. ALWAYS follow the instructions contained in this manual when replacing the depressed center wheel. REPLACEMENT PARTS When servicing use only identical replacement parts. Repairs should be conducted only by an AUTHORIZED JOHN DEERE DEALER. SAVE THESE INSTRUCTIONS AND MAKE THEM AVAILABLE TO OTHER USERS AND OWNERS OF THIS TOOL! 4 1/4-Inch Disc Grinder Operator's Manual Functional Description MODEL: ET-3301-J 4 1/4-INCH DISC GRINDER NOTE: The information contained in this Instruction Manual is designed to assist you in the safe operation and maintenance of the power tool. NEVER operate, or attempt any maintenance on the tool unless you have first read and understood all safety instructions contained in this manual. Some illustrations in this Instruction Manual may show details or attachments that differ from those on your own power tool. NAME OF PARTS: (Fig. 1) SPECIFICATIONS: 4 1/4-INCH DISC GRINDER ET-3301-J: Motor Single-Phase Series Commutator Motor Power Source Single-Phase 115V AC 60Hz Current 5A No-Load Speed 11000/min Wheel Size: external diam. 4-1/2" (115 mm) hole diam. 7/8" (22 mm) Weight 5.3 lbs (2.5 kg) Spindle Thread U5/8"-11 4 1/4-Inch Disc Grinder Operator's Manual Operation APPLICATIONS: -Removal of casting fin and finishing of various type of steel, bronze and aluminum materials and castings. -Grinding of welded sections or sections cut by means of an acetylene torch. -Grinding of synthetic resins, slate, brick, marble. PRE-OPERATION: 1. Power source: Ensure that the power source to be utilized conforms to the power source requirements specified on the product nameplate. 2. Power switch: Ensure that the switch is in the OFF position. If the plug is connected to a receptacle while the switch is in the ON position, the power tool will start operating immediately and can cause serious injury. 3. Extension cord: When the work area is far away from the power source, use an extension cord of sufficient thickness and rated capacity. The extension cord should be kept as short as practicable. 4. Check the receptacle: If the receptacle only loosely accepts the plug, the receptacle must be repaired. Contact a licensed electrician to make appropriate repairs. If such a faulty receptacle is used, it may cause overheating, resulting in a serious hazard. 5. Check your working environment: Ensure the following before operation; a. No flammable gas, liquid, or object at worksite. b. Grinding thin steel sheet may cause a high booming sound. In this case, place a rubber mat under the workpiece. c. Take appropriate noise preventive measures to prevent adverse affects on the environment by electrical noise. d. Clear the area of children or unauthorized personnel. 6. Mounting the wheel guard: Be sure to mount the wheel guard at an angle that will protect the operator’s body from injury by a broken wheel piece. WARNING: IF NOT CORRECTLY ATTACHING A PROPER WHEEL GUARD, IT MAY LEAD TO SEVERE INJURY OR DEATH IF THE DEPRESSED CENTER WHEEL SHOULD BE BROKEN. 7. Inspect the depressed center wheel carefully before mounting: Thoroughly check that a specified depressed center wheel free of cracks and splits is mounted. Make sure that the depressed center wheel is firmly clamped and has been mounted in accordance with the instructions contained on page 13-14. 4 1/4-Inch Disc Grinder Operator's Manual Operation PRE-OPERATION (CONTINUED): 8. Test the gr...

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