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Read this material before using this product. 

Failure to do so can result in serious injury. 

Save thiS manual.

Copyright

©

 2004 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 and service may not be included.

When unpacking, make sure that the product is intact 

and undamaged.  If any parts are missing or broken, 

please call 1-800-444-3353 as soon as possible.

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.

Owner’s Manual & Safety Instructions

visit our website at: http://www.harborfreight.com

email our technical support at: [email protected]

ITEM 92037

air hammer

Summary of Contents for 92037

Page 1: ...ssembly and service may not be included When unpacking make sure that the product is intact and undamaged If any parts are missing or broken please call 1 800 444 3353 as soon as possible 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 ass...

Page 2: ...sses practices not related to personal injury IMPORTANT SAFETY INSTRUCTIONS Instructions Pertaining to a Risk of Fire Electric Shock or Injury to Persons WARNING When using tools basic precautions should always be followed including the following General To reduce the risks of electric shock fire and injury to persons read all the instructions before using the tool Work Area 1 Keep the work area c...

Page 3: ...ounded 11 Explore the workpiece to avoid contact with hidden wiring Thoroughly investigate the workpiece for possible hidden wiring before performing work Contact with live wiring will shock the operator 12 Wear heavy duty work gloves during use Tool Use and Care 1 Use clamps or another practical way to secure and support the workpiece to a stable platform Holding the work by hand or against the b...

Page 4: ...air pressure range 2 Never use oxygen carbon dioxide combustible gases or any bottled gas as an air source for the tool Such gases are capable of explosion and serious injury to persons Save these instructions Symbols and Specific Safety Instructions Symbol Definitions Symbol Property or statement no No load speed min Revolutions or reciprocation per minute PSI Pounds per square inch of pressure f...

Page 5: ...5 Do not depress the spindle lock when starting or during operation 6 Obey the manual for the air compressor used to power this tool 7 Install an in line shutoff valve to allow immediate control over the air supply in an emergency even if a hose is ruptured 8 Use this tool with both hands only Using tools with only one hand can result in loss of control 9 Do not lay the tool down until it has come...

Page 6: ...on Specifications Maximum Air Pressure 90 PSI Air Inlet 1 4 18 NPT Impact Rate 4500 BPM Average Air Consumption 4 CFM 90 PSI Arbor Chuck Capacity 10mm standard Components and Controls Trigger Cylinder Retainer Spring Chisel Air Regulator Air Inlet Figure A Safety Operation Maintenance Setup ...

Page 7: ...re efficient but are not required WARNING To prevent serious injury from accidental operation Do not install a female quick coupler on the tool Such a coupler contains an air valve that will allow the air tool to retain pressure and operate accidentally after the air supply is disconnected Note Air flow and therefore tool performance can be hindered by undersized air supply components The air hose...

Page 8: ...er Prevents dirt and condensation from damaging tool or workpiece C Regulator Adjusts air pressure to tool D Lubricator optional For air tool lubrication E Coupler and Plug Provides quick connection and release F Leader Hose optional Increases coupler life G Air Cleaner Dryer optional Prevents water vapor from damaging workpiece H Air Adjusting Valve optional For fine tuning airflow at tool Safety...

Page 9: ...3 4 minimum recommended Distributes air to branch lines F Ball Valve To drain moisture from system G Branch Air Line 1 2 minimum recommended Brings air to point of use H Air Hose Connects air to tool I Filter Prevents dirt and condensation from damaging tool or workpiece J Regulator Adjusts air pressure to tool K Lubricator optional For air tool lubrication L Coupler and Plug Provides quick connec...

Page 10: ...ards Installed Chisel Retainer Spring Chisel Cylinder Figure D 1 Unscrew the Retainer Spring from the Cylinder 2 Insert the 10 mm Chisel shank into the Cylinder 3 Screw in the Retainer Spring completely onto the threads of the Cylinder until it stops to solidly hold the Chisel in place 4 Pull firmly on the Chisel to make sure it is secured in place Workpiece and Work Area Set Up 1 Designate a work...

Page 11: ...quires more force to accomplish the task verify that the tool receives sufficient unobstructed airflow CFM and increase the pressure PSI output of the regulator up to the maximum air pressure rating of this tool CAUTION To prevent injury from tool or accessory failure Do not exceed the tool s maximum air pressure rating If the tool still does not have sufficient force at maximum pressure and suffi...

Page 12: ...s may damage the mechanism and may be highly flammable causing an explosion Cleaning Maintenance and Lubrication Note These procedures are in addition to the regular checks and maintenance explained as part of the regular operation of the air operated tool 1 BEFORE EACH USE inspect the general condition of the tool Check for loose hardware or housing misalignment or binding of moving parts cracked...

Page 13: ...n parts 1 Lubricate using air tool oil and grease according to directions 2 Have qualified technician inspect internal mechanism and replace parts as needed Severe air leakage Slight air leakage is normal especially on older tools 1 Cross threaded housing components 2 Loose housing 3 Damaged valve or housing 4 Dirty worn or damaged valve 1 Check for incorrect alignment and uneven gaps If cross thr...

Page 14: ...nty of any kind to the buyer that he or she is qualified to make any repairs to the product or that he or she is qualified to replace any parts of the product In fact the manufacturer and or distributor expressly states that all repairs and parts replacements should be undertaken by certified and licensed technicians and not by the buyer The buyer assumes all risk and liability arising out of his ...

Page 15: ...Page 15 For technical questions please call 1 800 444 3353 Item 92037 Assembly Diagram Safety Operation Maintenance Setup ...

Page 16: ... 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 this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint must accompany the merchandise If ...

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