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. 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 drawn proportionally.
NOTICE is used to address practices not related to personal injury. SAVE THIS MANUAL Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference.
d. Do not overreach. Keep proper footing and balance at all times. This enables better control of the power tool in unexpected situations. entering a power tool will increase the risk of electric shock. c. Do not abuse the cord. Never use the cord for carrying, pulling or unplugging the power tool. Keep cord away from heat, oil, sharp edges or moving parts. Damaged or entangled cords increase the risk of electric shock. e. Dress properly. Do not wear loose clothing or jewelry.
e. Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tool’s operation. If damaged, have the power tool repaired before use. Many accidents are caused by poorly maintained power tools. f. Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp cutting edges are less likely to bind and are easier to control. g. Use the power tool, accessories and tool bits etc.
• Any power cord must be properly grounded. Ground Fault Circuit Interrupter (GFCI) should also be implemented – it prevents sustained electrical shock. 15. WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities, contains chemicals known [to the State of California] to cause cancer, birth defects or other reproductive harm.
preceding illustration. (See Outlets for 2-Prong Plug.) GROUNDING TO PREVENT ELECTRIC SHOCK AND DEATH FROM INCORRECT GROUNDING WIRE CONNECTION: Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded. Do not modify the power cord plug provided with the tool. Never remove the grounding prong from the plug. Do not use the tool if the power cord or plug is damaged. If damaged, have it repaired by a service facility before use.
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.
SPECIFICATIONS Electrical Input Blows Per Minute Chisels (included) 120 V~ / 60 Hz / 10 A 3100 BPM 1 Bull Point 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.
OPERATING INSTRUCTIONS Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product. Tool Set Up TO PREVENT SERIOUS INJURY FROM ACCIDENTAL OPERATION: Turn Power Switch off and unplug the tool from its electrical outlet before adjusting tool or installing accessories. 2. Pull the Chuck (35) back to open. NOTE: If the Chuck is difficult to open, lightly tap it with a hammer. 3.
sure the Trigger Switch properly actuates when pressed and that the tool turns off when its released. or broken parts, damaged electrical wiring, and any other condition that may affect its safe operation. 7. When work is complete, release the Trigger Switch. 2. AFTER USE, wipe external surfaces of the tool with clean cloth. 8. To prevent accidents, turn off the tool and disconnect its power supply after use. Clean, then store the tool indoors out of children’s reach. 3.
2. Remove the Rubber Cap (53) and then slide out the Carbon Brush Holder (51B). 3. Remove the Brush Cap (52) from the Carbon Brush Holder. 4. Remove old Carbon Brush (51) from Carbon Brush Holder and insert new Carbon Brush into Carbon Brush Holder. 5. Replace Brush Cap and slide Carbon Brush Holder back into Housing. Replace Carbon Brush Cover. 6. WARNING! Verify all bolts and connectors are fastened tight. Cleaning 1.
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 Bolt (M6X25) 4 33 Steel Ball (Ø8) 6 64 Handle Nut 1 3 Cylinder Cover 1 34 Compress Spring 1 65 Side Handle Clamp 1 4 O-Ring (Ø44xØ2) 1 35 Chuck 1 66 Insulating Washer 2 5 Impact Piston 1 36 Ball Press 1 67 Support 1 6 O-Ring (Ø24xØ3) 1 37 Retaining Ring (Ø28) 1 68 Rivet 4 7 Cylinder 1 38 Seal Ring 1
ASSEMBLY DIAGRAM SKU 68148 For technical questions, please call 1-800-444-3353.
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.
