3
USER MANUAL
JEFIW772
3/4" AIR IMPACT WRENCH
1. Specifications
•
Drive:
3/4"
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Torque Range (Forward):
135-956 ft. -lbs. (200-1300 Nm)
•
Max Torque (Reverse):
956 ft. -lbs. (1300 Nm)
•
Blows / Min:
1300
•
Free Speed:
5000 rpm
•
Standard Bolt Capacity:
M21mm
•
Average Air Consumption:
7.76cfm / 220 l/min.
•
Air Inlet:
1/4"
•
Minimum Hose:
1/2"
•
Noise:
LpA: 92 dB(A) KpA: 3 dB(A) LwA: 103 dB(A) KwA: 3 dB(A)
•
Vibration / Uncertainty:
5.47 m/s² / K= 1.5 m/s²
•
Net Weight:
10.17 lbs / 4.6kg
•
Overall Length:
220mm
2. Safety Guidelines
General Safety
•
Please read and understand the safety instructions
before installing, operating, repairing, maintaining,changing accessories on, or working
with this equipment. Failure to do so can result in serious bodily injury. You will need this manual for the safety warnings and precautions,
assembly, operating, inspection, maintenance and cleaning procedures, parts list and assembly diagram. Keep this manual and invoice/proof of
purchase in a safe and dry place for future reference.
•
Only qualified and trained operators should install, adjust or use this equipment
•
Do not modify or adjust this equipment.
Modifications can reduce the effectiveness of safety measures and increase the risks to the operator.
•
Do not discard the safety instructions
; store them in a safe place and present to the operator before use.
•
Do not use this equipment if it has been damaged or displays any faults.
•
Ensure that all safety and specification labels are clear and legible to the operator.
•
Keep young children pets and animals away from the work area. This equipment should only be used by trained and competent individuals
who have read the user manual and fully understand how to operate the air impact wrench.
•
Do not operate the tool where there are flammable liquids or gases. Pneumatic tools create sparks which may ignite flammable substances.
•
Stay alert and use common sense - do not operate the tool when you are tired or under the influence of alcohol, drugs or medication.
•
Do not overreach when using the equipment - keep proper footing and balance at all times.
•
Never use oxygen, CO combustible gases or any type of bottled gas as a source of power for this tool.
•
Do not connect the air supply hose with your finger on the trigger.
•
Do not exceed the maximum pressure for the tool (see specifications or refer to your nearest Jefferson Dealer for advice if you are unsure).
•
Keep the air supply hose away from heat, oil and sharp edges.
•
Do not fit the tool to any stand or clamping device that may damage it.
•
Check all hoses for leaks or worn condition before use, and ensure that all connections are secure.
•
Do not use the tool for any purpose than that described in this manual.
•
Do not carry out any alterations or modifications to the tool. Ensure all maintenance and repairs are carried out by an approved Jefferson
Tools repair center using Jefferson approved parts
•
Always disconnect from the air supply when performing any maintenance, when the tool is not in use or left unattended
Remove adjusting keys or wrenches before turning on the tool. A wrench or a key that is left attached to a rotating part of the tool may
result in personal injury.
