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HEAVY-DUTY

AIR CHIPPING HAMMER

99792

SET UP AND OPERATING INSTRUCTIONS

Distributed exclusively by Harbor Freight Tools

3491 Mission Oaks Blvd., Camarillo, CA 93011

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.

2008 by Harbor Freight Tools

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. Due to continuing

improvements, actual product may differ slightly from the product described herein. Tools required for

assembly and service may not be included.

For technical questions or replacement parts, please call 1-800-444-3353.

Manual Revised 11h

Содержание 99792

Страница 1: ...right 2008 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 Due to continuing improvements actual product may differ slightly from the product described herein Tools required for assembly ...

Страница 2: ...5 SYMBOL DEFINITIONS 5 SPECIFIC SAFETY INSTRUCTIONS 6 VIBRATION PRECAUTIONS 7 FUNCTIONAL DESCRIPTION 8 SPECIFICATIONS 8 INITIAL TOOL SET UP ASSEMBLY 8 UNPACKING 8 AIR SUPPLY 8 INSTALLING A CHISEL 9 WORK PIECE AND WORK AREA SET UP 11 GENERAL OPERATING INSTRUCTIONS 11 CHIPPING IN A STRAIGHT LINE 12 BREAKING UP CONCRETE 12 USER MAINTENANCE INSTRUCTIONS 13 CLEANING MAINTENANCE AND LUBRICATION 13 TROUB...

Страница 3: ...oided could result in death or serious injury CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury IMPORTANT SAFETY INSTRUCTIONS INSTRUCTIONS PERTAINI...

Страница 4: ...balance enables better control of the tool in unexpect ed situations f Use safety equipment A dust mask non skid safety shoes and a hard hat must be used for the applicable conditions Wear heavy duty work gloves during use g Always wear eye protec tion Wear ANSI ap proved safety goggles h Always wear hearing protection when using the tool Prolonged expo sure to high intensity noise is able to caus...

Страница 5: ...ied by the manufacturer for the specific tool model Use of an accessory not intended for use with the specific tool model increases the risk of injury to persons Service a Tool service must be performed only by qualified repair personnel b When servicing a tool use only identical replacement parts Use only authorized parts c Use only the lubricants supplied with the tool or specified by the manufa...

Страница 6: ... 90 PSI operating pressure Warning People with pacemakers should consult their physician s before us ing this product operation of equip ment in close proximity to a heart pacemaker could cause interference or failure of the pacemaker 2 Your risk from these exposures var ies depending on how often you do this type of work To reduce your exposure to these chemicals work in a well ventilated area an...

Страница 7: ... the tool out of your control Vibration Precautions This tool vibrates during use Re peated or long term exposure to vibra tion may cause temporary or permanent physical injury particularly to the hands arms and shoulders To reduce the risk of vibration related injury 1 Anyone using vibrating tools regu larly or for an extended period should first be examined by a doctor and then have regular medi...

Страница 8: ...nd undamaged If any parts are missing or broken please call Harbor Freight Tools at the number shown throughout the manual as soon as pos sible This air tool may be shipped with a protective plug covering the air inlet Remove this plug before set up Air Supply TO PREVENT EXPLOSION Use only clean dry regulated compressed air to power this tool Do not use oxygen carbon dioxide combustible gases or a...

Страница 9: ...w it to build up pressure until it cycles off 7 Adjust the air compressor s output regulator so that the air output is enough to properly power the tool but the output shall not exceed the tool s maximum air pressure at any time Adjust the pressure gradually while checking the air output gauge to set the right pressure value 8 Inspect the air connections for leaks Repair any leaks found 9 If the t...

Страница 10: ...eve 16 ledge may be slightly elongated preventing insertion of the chisel into the Retaining Sleeve It may require some force to get the Chisel s lobes past this point and to slide into the chisel mounting channel 5 Fig 3 Turn the chisel 90º and let the flange of the chisel rest on the bottom of the ellipse slot as shown See Fig 3 6 Fig 4 Align the chisel shank to the hole on the hammer s Cylinder...

Страница 11: ...o possible damage The air hose must be long enough to reach the work area with enough extra length to allow free movement while working 3 There must not be hazardous ob jects such as utility lines or foreign objects nearby that will present a hazard while working General Operating Instructions 1 If an automatic oiler is not used add a few drops of Pneumatic Tool Oil to the airline connection befor...

Страница 12: ...crete 1 Place the Bit on the center of the piece of concrete Hold the Chipping Hammer firmly with both hands 2 Depress the Throttle Lever with your thumb to activate the Chipping Hammer 3 As the chipping action begins to break the chunks of concrete release the Throttle Lever to stop the Chipping Hammer and reposition the Chisel on larger pieces Do not attempt to break up small pieces with this to...

Страница 13: ...hanism and may be highly flammable causing an explosion Cleaning Maintenance and Lubrication Note Your Chipping Hammer will perform best and require minimal mainte nance when connected to an Airline Oiler as shown on Page 8 If you do not use an Airline Oiler follow the routine maintenance steps below Note These procedures are in addition to the regular checks and maintenance explained as part of t...

Страница 14: ...lified technician clean and lubricate mechanism Install in line filter in air supply as stated in Initial Set Up Air Supply 7 Replace with a new chisel do not sharpen Housing heats during use 1 Incorrect lubrication or not enough lubrication 2 Worn parts 1 Lubricate using air tool oil and grease according to directions 2 Have qualified technician inspect internal mechanism and replace parts as nee...

Страница 15: ...CEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO PARTS LIST Part Description Qty 1 Throttle Valve Plug 2 Bushing 3 Throttle Valve 4 Valve Spring 5 Throttle Valve ...

Страница 16: ...SKU 99792 For technical questions please call 1 800 444 3353 Page 16 ASSEMBLY DIAGRAM ...

Страница 17: ...r incidental contingent special or consequential damages arising from the use of our product Some states do not allow the exclusion or limitation of incidental or consequential damages so the above limitation of exclusion may not apply to you THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS To take advantage of th...

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