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SPECIFICATIONS

Specifications are subject to change without notice

 

IMPORTANT SAFETY INFORMATION

 

IMPORTANT SAFETY INFORMATION

WARNING!

READ, UNDERSTAND AND FOLLOW ALL INSTRUCTIONS AND 

WARNINGS BEFORE OPERATING THIS TOOL. FAILURE TO DO 

SO MAY RESULT IN PERSONAL INJURY AND/OR PROPERTY 

DAMAGE AND WILL VOID WARRANTY.

1.  Keep work area clean. Cluttered areas invite injuries.
2.  Observe work area conditions. Do not use machines or power tools in damp or wet 

locations. Don’t expose to rain. Keep work area well lighted. Do not use electrically 

powered tools in the presence of flammable gases or liquids. Do not bring combustible 

materials near the tools.

3.  Keep children away. Children must never be allowed in the work area. Do not let them 

handle machines, tools, hoses or extension cords.

4.  Store idle equipment. When not in use, tools must be stored in a dry location to inhibit 

rust. Always lock up tools and keep out of reach of children and other untrained 

persons. Switch off all unused electrical tools when stored. Tools are dangerous in the 

hands of untrained users.

5.  Always wear approved eye protection when using tools. If raising dust, wear a suitable 

mask.

6.  Work Safe.  When wearing gloves to operate the Air Hammer, make sure that the 

gloves do not interfere with operating the Trigger (11). Test your gloves with the Trig-

ger (11) before attaching the unit to an air source. Keep your finger away from the 

Trigger (11) until you are ready to work. Never start the tool unless you have a firm 

Bore Size (IN) ....................................................................3/4

Stroke Length (IN) ............................................................1.7

Air Pressure (PSI) ..............................................................90

Average Air Consumption (CFM) .......................................4

Free Speed (BPM) .........................................................4,500

Air Inlet (NPT) ...............................................................1/4 in.

Hose Size (ID)...............................................................3/8 in.

Length (IN) .........................................................................5.1

Weight (LBS) .....................................................................2.2

Warning!

Oil tool before each use. 4 to 5 drops of a good grade Air Tool Oil 

placed in the air inlet is sufficient. Use proper air pressure and CFM 

rating listed for this tool.

grip with both hands and you are positioned at your workpiece or area. Before using 

the Air Hammer, know what is directly underneath the work area or workpiece. The Air 

Hammer can quickly penetrate material. If working directly on the ground, make sure 

you are not directly above shallow cables, lines, or pipes. Do not wear loose clothing 

or jewelry that could become caught by moving parts, causing injury. Keep your limbs 

and body clear of the tool. If a chisel or bit breaks off, the tool tends to surge forward 

suddenly. Operate tool a safe distance from yourself and others in the work area. Make 

sure the immediate area is clear of other people or animals. Spectators must stay at 

a safe distance. Never point the tool or the air hose (not included) at anyone. Keep 

proper footing and balance at all times. Do not reach over or across running machines, 

hoses, etc.

7.  Do not operate any tool if under the influence of alcohol or drugs. Read warning labels 

on prescriptions to determine if your judgment or reflexes are impaired while taking 

drugs. If there is any doubt, do not operate any tool.

8.  Be sure air is in OFF position when connecting tool to air supply.
9.   Use only those accessories that are designed for use with tools. For example, with 

impact wrenches do not use ordinary sockets. Use impact sockets for all air tools.

10. Be sure to disconnect tool from air supply before changing accessories, performing 

service on tool and when not in use.

11. Follow air source manufacturers' directions for connection of regulators, filters, and 

other accessories to air source. Do not install quick couplers directly on tool as they put 

unnecessary strain on the air inlet threads possibly causing them to wear out prema-

turely. Instead, install them on a short length of air hose attached to the tool.

12. Check for damaged parts. Before using any tool, any part that appears damaged 

should be carefully checked to determine that it will operate properly and perform its 

intended function. Check for alignment and binding of moving parts; any broken parts 

or mounting fixtures; and any other condition that may affect proper operation. Any part 

that is damaged should be properly repaired or replaced by a qualified technician.

13. Maintenance. For your safety, maintenance should be performed regularly by a quali-

fied technician using original PERFORMANCE TOOLS® replacement parts. Failure 

to do so can lead to accidents for the operator. Use of any other parts will void the 

warranty. Only use accessories intended for use with this tool. Approved accessories 

are available from Performance Tool®. Use only accessories that are recommended 

by the manufacturer for your model. Accessories that may be suitable for one tool may 

become hazardous when used on another tool.

WARNING:

 Repetitive motions or exposure to vibration may be harmful to your hands and arms

.

WARNING:

 This product and its packaging contain a chemical known to the State of 

California to cause cancer, birth defects, or other reproductive harm.

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. Read and understand all of the instructions 

provided in the instruction manual of this product, as well as, any other tool (s) used with 

this product.

Summary of Contents for M550DB

Page 1: ...AIR HAMMER with 4 Chisels OWNER S MANUAL Stock Number M550DB FOR YOUR SAFETY please read these instructions carefully and retain them for future use ...

Page 2: ...er point the tool or the air hose not included at anyone Keep proper footing and balance at all times Do not reach over or across running machines hoses etc 7 Do not operate any tool if under the influence of alcohol or drugs Read warning labels on prescriptions to determine if your judgment or reflexes are impaired while taking drugs If there is any doubt do not operate any tool 8 Be sure air is ...

Page 3: ... your bit to see if it is worn or dull Warning Always disconnect from the air source before examining or changing bits 5 When you are finished turn off the air supply and then hold the Air Hammer in a safe direction and Squeeze the trigger to bleed off the remaining air Then disconnect the air hose 1 You will need to prepare the 1 4 Quick disconnect Coupler Plug to con nect to the air inlet on the...

Page 4: ... M550K 01 O Ring 1 10 Air Regulator 1 11 Trigger 1 12 Trigger Pin 1 13 Valve Case 1 14 Valve Pad 1 15 Front Valve Seat 1 16 Piston 1 17 Cylinder 1 18 M696 Spring 1 Part Description Quantity REPLACEMENT PARTS LIST REPLACEMENT PARTS LIST LUBRICATION MAINTENANCE Motor Oil Trans Fluid Brake Fluid Water Whip hose Air Tool Oil Yes No ...

Page 5: ...ty or to assume any liability in connection with its products Except for warranties of title and the limited express warranties set forth above PERFORMANCE TOOL makes no express or implied warranties of any kind with respect to its products In particular PERFORMANCE TOOL makes no implied warranty of merchantability and no implied warranty of fitness for any particular purpose except that for goods...

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