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3

USER MANUAL

 

1/2" Air Impact Wrench

JEFIW7733

2. Safety Guidelines

1. Specifications

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.

 

TECHNICAL SPECIFICATIONS

Drive:

1/2"

Free Speed:

7000rpm

Air Inlet:

1/4"

Blows / Min:

1300

Working Pressure:

6-8Bar / 87 - 116psi

Average Air Consumption:

4.2 cfm  119 l/min (no load)
22 cfm  623 l/min (@load)

Torque Range (Forward):

34 - 680Nm / 
25 - 500ft - lbs

Noise Power / Pressure:

LpA: 92 dB(A) KpA: 3 dB(A) / 
LwA: 103 dB(A) KwA: 3 dB(A)

Rated / Working Torque:

400Nm / 295ft - lbs

Vibration / Uncertainty:

5,47 m/s2 / K= 1,5 m/s2

Max Torque (Forward):

680Nm / 500ft - lbs 

Net Weight:

5.5lbs / 2.6kg

Max Torque (Reverse):

748Nm / 550ft - lbs 

Overall Length:

7.3in / 185mm

Summary of Contents for JEFIW7733

Page 1: ...Air Impact Wrench User Manual www jeffersontools com JEFIW7733 v1 2 1 2...

Page 2: ...and accurate but all recommendations or suggestions are made without guarantee Since the conditions of use are beyond their control Jefferson Tools disclaim any liability for loss or damage suffered f...

Page 3: ...ence 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...

Page 4: ...hing hands between tool and workpiece especially when unscrewing Be aware that the Tool and or accessories may briefly continue their motion after the trigger is released Keep others a safe distance f...

Page 5: ...d arms Keep the hands away from the sockets during operation If you experience numbness tingling pain or whitening of the skin in your fingers or hands stop using the assembly power tool for threaded...

Page 6: ...the compressor tools Ensure that the compressed air is cooled and its water content filtered and lubricated as required as shown in Fig 1 below Excessive moisture levels can be compressed in the pipe...

Page 7: ...rd rotation move the lever on the rear of the wrench to the F position To operate with a reverse motion move the lever to the R position This equipment is designed as a plug and run type device The to...

Page 8: ...8 USER MANUAL 1 2 Air Impact Wrench JEFIW7733 6 Exploded Diagram Parts List...

Page 9: ...d activate your warranty by visiting the Jefferson Tools website using the following address www jeffersontools com warranty and completing the online form Online warranty registration is recommended...

Page 10: ...Jefferson cannot assume any responsibility for any damage incurred to equipment during transit Any claims against a third party courier will be dealt with under the terms conditions of their road hau...

Page 11: ...ody INTERTEK TESTING CERTIFICATION LTD Intertek House Cleeve Road Leatherhead Surrey KT22 7SB Country United Kingdom Noise LpA 92 dB A KpA 3 dB A LwA 103 dB A KwA 3 dB A Vibration Uncertainty 5 47 m s...

Page 12: ...ed Kingdom CH4 9QR Tel 44 0 1244 646 048 Email sales jeffersontools com IMPORTANT SAFETY FIRST Before attempting to use this product please read all the safety precautions and operating instructions o...

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