Northern Industrial Tools Impact Driver 120203 User Manual

150MM BLACK NICKEL  
AIR HAMMER KIT  
OWNER’S MANUAL  
WARNING: Read carefully and understand all  
INSTRUCTIONS before operating. Failure to follow the  
safety rules and other basic safety precautions may result  
in serious personal injury.  
Item # 120203  
Page: 1 of 7  
 
air hoses.  
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.  
5. Use the right tool for the job. Do not attempt to force a small tool or attachment to do the  
work of a larger industrial tool. There are certain applications for which this tool was  
designed. It will do the job better and more safely at the rate for which it was intended. Do  
not modify this tool and do not use this tool for a purpose for which it was not intended.  
6. Dress properly. Do not wear loose clothing or jewelry as they can be caught in moving  
parts. Protective, electrically non-conductive clothes and non-skid footwear are  
recommended when working. Wear restrictive hair covering to contain long hair. Always  
wear steel toe shoes when operating the Air Hammer.  
7. Use eye and ear protection. Always wear ANSI-approved impact safety goggles and ear  
protection. Wear a full face shield when breaking up concrete.  
8. Do not overreach. Keep proper footing and balance at all times. Do not reach over or  
across running machines or air hoses.  
9. Maintain tools with care. Keep tools clean for better and safer performance. Follow  
instructions for lubricating and changing accessories. Inspect tool cords and air hoses  
periodically and, if damaged, have them repaired by an authorized technician. The handle  
must be kept clean, dry, and free from oil and grease at all times.  
10. Disconnect air supply. Disconnect air hose when not in use.  
11. Avoid unintentional starting. Be sure the trigger is not depressed when carrying the Air  
Hammer.  
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. Do not use the  
Air Hammer if the trigger does not turn on and off properly.  
13. Guard against electric shock. Prevent body contact with grounded surfaces such as pipes,  
radiators, ranges, and refrigerator enclosures.  
14. Do not operate tool if under the influence of alcohol or drugs, or tired. This may result in  
serious injury.  
15. Use proper size and type extension cord. If an extension cord is required for the air  
compressor, it must be of the proper size and type to supply the correct current to the tool  
without heating up. Otherwise, the extension cord could melt and catch fire, or cause  
electrical damage to the tool. Check your compressor’s manual for the appropriate size  
cord.  
16. For your safety, maintenance should be performed regularly by a qualified technician.  
17. Use compressed air only — Never use combustible gases as a power source.  
Note: Performance of the compressor (if powered by line voltage) may vary depending on  
variations in local line voltage. Extension cord usage may also affect tool performance.  
WARNING  
Some dust created by power sanding, sawing, grinding, drilling, and other construction  
activities, contain chemicals known [to the State of California] to cause cancer, birth  
Page: 3 of 7  
 
defects or other reproductive harm. some examples of these chemicals are:  
A) Lead from lead-based paints;  
B) Crystalline silica from bricks and cement or other masonry products;  
C) Arsenic and chromium from chemically treated lumber.  
Your risk from exposure varies, depending on how often you do this type of work. To  
reduce your exposure to these chemicals: work in a well ventilated area and work with  
approved safety equipment, such as those dust masks that are specially designed to  
filter out microscopic particles. (California Health & Safety Code 25249.5, et seq.)  
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  
Additional Safety Warnings  
1. Repetitive motions or exposure to vibration may be harmful to your hands and arms.  
2. When wearing gloves to operate the Air Hammer, make sure that the gloves do not  
interfere with operating the trigger. Test your gloves with the trigger before attaching the  
unit to an air source.  
3. Never start the tool unless you have a firm grip with both hands and you are positioned at  
your workpiece or area.  
4. Before using the Air Hammer, know what is directly underneath the work area or  
workpiece.  
5. 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.  
6. Keep your limbs and body clear of the Air Hammer. If a chisel breaks off, the tool tends to  
surge forward suddenly. Make sure the immediate area is clear of other people or animals.  
Spectators must stay at a safe distance.  
7. Never point the tool or the air hose (not included) at anyone.  
8. Keep your finger away from the trigger until you are ready to work.  
OPERATION  
Set Up  
Fig. 1  
1. You will need to prepare a 1/4" air connector (sold separately) to connect to the Air Inlet.  
First, wrap the 1/4" air connector (not included) with pipe thread seal tape before  
Page: 4 of 7  
 
connecting to a Air Source Hose (not included).  
2. Attach air hose to the Air Inlet on the Air Hammer. Note: If you are not using an automatic  
oiler system, before operation, add a few drops of Pneumatic Tool Oil to the airline  
connection. Add a few drops more after each hour of continual use.  
3. Set the air pressure on your compressor to 90 PSI. Do not exceed the recommended air  
pressure of 90 PSI.  
4. Check the air connection for leaks.  
5. Turn off the compressor and disconnect the air source hose in preparation to load bits into  
the Air Hammer.  
ASSEMBLY  
WARNING Always disconnect from the air source before examining or changing  
bits.  
1. Select the appropriate Chisel Bit. With your thumb, put counterclockwise pressure on the  
spring and insert the shank of the chisel bit into the Cylinder. Release the spring. Holding  
the Air Hammer firmly, pull the chisel bit hard to make sure it locked into place. See Fig. 2.  
Fig. 2  
Note: Before connecting the air supply, make sure you are wearing safety goggles and a  
full face mask, ear protection, and steel toe shoes.  
WARNING Any spectators in the immediate area will need eye and ear protection.  
Beware of flying chips of wood, concrete, metal, or any other material being chiseled.  
2. Connect the air hose to the Air Inlet and turn on the compressor (not included).  
3. Grip the Air Hammer with both hands firmly and put the chisel tip up against the workpiece  
you wish to chip.  
4. Gently squeeze the trigger and move slowly along the workpiece. Do not push down on the  
tool; let it do the work. If it does not do the intended job to satisfaction, examine your bit to  
see if it is worn or dull.  
5. When you are finished, turn off the air supply, hold the Air Hammer a safe distance away  
from yourself and others and squeeze the trigger to bleed off the remaining air. Then,  
disconnect the air hose.  
Page: 5 of 7  
 
Diagram  
Parts List  
Part#  
Description  
Housing  
Pin  
Qty.  
1
Part#  
12  
Description  
Qty.  
1
1
2
3
4
5
6
7
8
9
Trigger  
Rear End  
Plate  
1
13  
1
Pin  
1
14  
Valve  
Set Pin  
Set Pin  
1
Valve  
1
15  
1
O-ring  
2
16  
1
Front End  
Plate  
Air Regulator  
Air Inlet  
Spring  
1
17  
1
1
18  
Piston  
1
1
19  
Cylinder  
1
Retainer  
Spring  
Throttle Valve  
1
20  
1
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10  
11  
Valve Stem  
1
1
21  
Shank Chisels  
5
O-ring Bushing  
Northern Tool + Equipment Co.,  
2800 Southcross Drive West  
P.O. Box 1499 Burnsville, MN 5337-0499  
Made in China.  
Page: 7 of 7  
 

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