Performance Tool M621 Owner'S Manual Download Page 3

 

IMPORTANT SAFETY INFORMATION

 

ASSEMBLY & INSTALLATION

NOTE: For best service you should incorporate an oiler, regulator, and inline filter. 

1. You will need to prepare a 1/4” quick air connector to connect to the air source 

hose. Wrap the 1/4” quick air connector with pipe thread seal tape (not included) 
before threading it onto the 3/8” air source hose. Then, connect the 1/4” quick 

air connector to the Air Inlet on the tool. 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.

2. Set the air pressure on your compressor to 90 PSI. Do not exceed the testing air 

pressure of 90 PSI.

3. Check the air connection for leaks. Once you are satisfied there are no leaks, turn 

off the air compressor and disconnect the 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 exam

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ple, 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 prematurely. 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 dam

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aged 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 qualified 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: 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.

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