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Instruções de Operação Harbor Freight Tools, Modelo 46935

Fabricante : Harbor Freight Tools
Arquivo Tamanho: 314.55 kb
Arquivo Nome : 82b300a6-f174-4678-87fa-75857b7dec97.pdf
Língua de Ensino: en
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Note: Performance of this tool (if powered by line voltage) may vary depending on variations in local line voltage. Extension cord usage may also affect tool performance. Warning:The warnings, cautions, and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur. It must be understood by the operator that common sense and caution are factors which cannot be built into this product, but must be supplied by the operator. Unpacking When unpacking, make sure the parts listed on page 7 are included. If parts are missing or broken, call Harbor Freight at the number on the cover of this manual as soon as possible. Maintenance Warning!! Make sure the Breaker Hammer is unplugged before doing any maintenance. 1. Wipe the tool with a lint free cloth after each use. Remove all dust and grit from the tool. 2. Add a drop or two of a lightweight oil to the Switch assembly area to lubricate the Switch Knob (#87). 3. Examine the tool before each use. Make sure the Chisel Bit is sharp and not dull or cracked. Replace worn or broken bits with approved replacement bits from Harbor Freight Tools. 4. Store in temperatures no lower than 50-60° F. REV 11/06; 02/07 SKU 46935 For technical questions, please call, 1-800-444-3353. Page 4 Operation Installing a Chisel. Figure 1 Chisels come with or without collars. Figure 1 shows installation of a chisel without a collar (the two included chisels are without a collar). Figure 2 shows installation of a chisel with a collar. Without a Collar: 1. Pull the retaining ring to the side just far enough to allow the bit to be inserted, as shown in Figure 1. 2. Insert the bit. Slide the chisel in as far as it will go. 3. Pull the retaining ring down approximately 120° until it contacts the housing. Physically check that the chisel is secure before operating. Note: If the Chisel Bit doesn’t slide in easily, apply some grease on the loading end of the Chisel Bit. With a Collar: 1. Pull the retaining ring open about 30-40° to the second engaging position as shown in Figure 2. 2. Insert the collared chisel. 3. Return the retaining ring to close to its original position to lock the chisel in place. Physically check that the chisel Figure 2 Retaining Ring Retaining Ring is secure before operating. Before each use, check the Chisel for cracks or other damage: Never use a damaged Chisel. Make sure you only use sharp tipped chisels. Dull tipped chisels can cause unnecessary chisel movement resulting in tool wear, and possible injury. REV 11/03; REV 06/04 SKU 46935 For technical questions, please call, 1-800-444-3353. Page 5 Operation (continued) Warning!! Always wear ANSI approved impact safety goggles. Wear a full face shield if you are producing metal filings or wood chips. Wear an ANSI approved dust mask or respirator when working around metal, wood, and chemical dusts and mists. Always wear ear protection. Ear protection is required for any other persons in the work area. Warning!! Be aware of flying concrete chips. Keep all spectators clear of the work area. Warning!! Do not operate this tool if you have back, neck, wrist, or other conditions or injuries that will be aggravated by the severe jerking forces that this tool exerts upon its operator. Warning!! If the Breaker Hammer ever gets out of your control, immediately release the Switch Knob (87). Note: Use the weight of the Breaker Hammer to help you break up concrete. Use the tool in the vertical position whenever possible. This tool was intended to break up larger pieces of concrete. IMPORTANT - READ BEFORE USE This Breaker Hammer may have decreased performance for a brief period at the beginning of each use. This warmup period lasts approximately 3-5 minutes. This happens because the grease inside the tool may be somewhat thick, preventing the tool from operating at full efficiency while the motor is cold. This is perfectly normal and does not indicate a problem. To help reduce this effect, we recommend storing this equipment in temperatures no lower than 50-60° F. Chipping a Straight Line 1. Use chalk or another suitable writing material and mark you work surface to delineate the area you intend to hammer. 2. Plug in the Breaker Hammer. 3. Grasp the handles firmly with both hands. When you are sure that no people or animals are in the vicinity, and it’s safe to begin, depress the Switch Knob (#87). 4. The Breaker Hammer will begin to break the top layer of concrete. If you push down, it will begin to break the next layer as well. 5. Keep moving the Breaker Hammer along the line you want to section, breaking concrete as you go. If the Breaker Hammer jumps off of the line or section, release the Switch Knob (#87) and reposition the Breaker Hammer. 6. When you are finished, release the Switch Knob (#87) and unplug the Breaker Hammer. Breaking up Concrete. 1. Place the bit on the center of a piece of concrete. 2. Grasp the handles firmly with both hands. When you are sure that no people...


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