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DEMOLITION HAMMER
Model 68148
SET UP AND OPERATING INSTRUCTIONS
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
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Copyright 2010 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 Freight Tools. Diagrams within this manual may not be d
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NOTICE is used to SAVE THIS MANUAL address practices not Keep this manual for the safety related to personal injury. warnings and precautions, assembly, CAUTION, without the operating, inspection, maintenance and safety alert symbol, is cleaning procedures. Write the product’s used to address practices not serial number in the back of the manual related to personal injury. near the assembly diagram (or month and year of purchase if product has no number). General Power Tool Safety
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entering a power tool will increase d. Do not overreach. Keep proper the risk of electric shock. footing and balance at all times. This enables better control of the c. Do not abuse the cord. Never power tool in unexpected situations. use the cord for carrying, pulling or unplugging the power tool. e. Dress properly. Do not wear Keep cord away from heat, oil, loose clothing or jewelry. Keep sharp edges or moving parts. your hair, clothing and gloves Damaged or entangled cords away
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e. Maintain power tools. Check for 5. Unplug before inspecting, misalignment or binding of moving removing or installing chisel, parts, breakage of parts and any or performing any service. other condition that may affect the 6. Pull on chisel after installation power tool’s operation. If damaged, and before use; chisel may move have the power tool repaired before but MUST NOT slide out. use. Many accidents are caused by poorly maintained power tools. 7. Do not operate this tool if you
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• Any power cord must be properly Vibration Safety grounded. Ground Fault Circuit This tool vibrates during use. Repeated Interrupter (GFCI) should also or long-term exposure to vibration be implemented – it prevents may cause temporary or permanent sustained electrical shock. physical injury, particularly to the 15. WARNING: Some dust created by power hands, arms and shoulders. To reduce sanding, sawing, grinding, drilling, and the risk of vibration-related injury: other construct
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preceding illustration. GROUNDING (See Outlets for 2‑Prong Plug.) TO PREVENT ELECTRIC SHOCK Extension Cords AND DEATH FROM INCORRECT 1. Grounded tools require a three GROUNDING WIRE wire extension cord. Double CONNECTION: Insulated tools can use either a Check with a qualified electrician two or three wire extension cord. if you are in doubt as to whether the outlet is properly grounded. 2. As the distance from the supply outlet Do not modify the power cord increases, you must
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8. Protect the extension cords from sharp objects, excessive heat, and damp or wet areas. RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS* (120/240 VOLT) EXTENSION CORD NAMEPLATE LENGTH AMPERES (at full load) 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 - - - * Based on limiting the line voltage drop to five volts at 150% TABLE A of the rated amp
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SPECIFICATIONS Electrical 120 V~ / 60 Hz / 10 A Input Blows Per 3100 BPM Minute Chisels 1 Bull Point (included) 1 Flat Point 1 Oil Bottle Other 1 Carbon Brush Set Accessories 1 5mm Hex Key 1 Oil Tank Wrench UNPACKING When unpacking, make sure the item is intact and undamaged. If any parts are missing or broken, please call Harbor Freight Tools at 1-800-444-3353 as soon as possible. INSTRUCTIONS FOR PUTTING INTO USE Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of
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2. Pull the Chuck (35) back to open. OPERATING INSTRUCTIONS NOTE: If the Chuck is difficult to Read the ENTIRE IMPORTANT open, lightly tap it with a hammer. SAFETY INFORMATION 3. Insert the shank portion of the section at the beginning of this chisel into Chuck as far as it manual including all text under will go. Release the Chuck subheadings therein before set up or use of this product. 4. Pull chisel to verify it is secure. 5. The Side Handle (62) can swing around Tool Set Up to
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sure the Trigger Switch properly or broken parts, damaged electrical actuates when pressed and that the wiring, and any other condition that tool turns off when its released. may affect its safe operation. 7. When work is complete, 2. AFTER USE, wipe external surfaces release the Trigger Switch. of the tool with clean cloth. 8. To prevent accidents, turn off the 3. Wipe tool with a lint-free cloth tool and disconnect its power supply after each use to remove all after use. Clean, then stor
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2. Remove the Rubber Cap (53) and then 6. WARNING! Verify all bolts and slide out the Carbon Brush Holder (51B). connectors are fastened tight. 3. Remove the Brush Cap (52) from Cleaning the Carbon Brush Holder. 1. Clean the Demolition Hammer 4. Remove old Carbon Brush (51) from with warm water, soap a soft cloth, Carbon Brush Holder and insert new preferably after each use. Carbon Brush into Carbon Brush Holder. 2. WARNING! Do not use solvents 5. Replace Brush Cap and slide Carbon when
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PARTS LIST Part Description Qty Part Description Qty Part Description Qty 1 Rubber Ring 1 32 Front Cover 1 63 Side Handle Base 1 2 Hex Socket 4 33 Steel Ball (Ø8) 6 64 Handle Nut 1 Bolt (M6X25) 34 Compress Spring 1 65 Side Handle Clamp 1 3 Cylinder Cover 1 35 Chuck 1 66 Insulating Washer 2 4 O-Ring (Ø44xØ2) 1 36 Ball Press 1 67 Support 1 5 Impact Piston 1 37 Retaining 1 68 Rivet 4 6 O-Ring (Ø24xØ3) 1 Ring (Ø28) 69 Trigger 1 7 Cylinder 1 38 Seal Ring 1 74 Main Handle 1 9 Spring Washer 4 39 O-Rin
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ASSEMBLY DIAGRAM SKU 68148 For technical questions, please call 1‑800‑444‑3353. Page 13
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LIMITED 90 DAY WARRANTY Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installatio
