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Air Impact Wrench 7431             

    Http://www.aeroprotools.com                                                               

 

 

Operating Instruction and safety manual 

   

 

 

 

 

 

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” Air Impact Wrench(Twin Hammer) 

Model No.:    7431

 

 
 
 
 
 
 

 

 

                                                                         

  Residual risks 

Even  when  the  tool  is  used  as  prescribed  it  is  not  possible  to  eliminate  all  residual  risk  factors.  The 
following hazards may arise in connection with the tool’s construction and design: 

1.  Damage to lungs if an effective dust mask is not worn.   

 

 

2.  Damage to hearing if effective hearing protection is not worn. 

 

 

3.  Health defects resulting from vibration emission if the power tool is being used over longer period of time or not 

adequately managed and properly maintained. 

 

4. 

Wear eye protection. 

 

IMPORTANT: 

Upon receipt of the product,   
read and follow all safety rules, 

  operating instructions before first use it.   

And retain this manual for future reference. 

 

 

 

 

2013 

2014 

Summary of Contents for AP7431

Page 1: ... the tool s construction and design 1 Damage to lungs if an effective dust mask is not worn 2 Damage to hearing if effective hearing protection is not worn 3 Health defects resulting from vibration emission if the power tool is being used over longer period of time or not adequately managed and properly maintained 4 Wear eye protection IMPORTANT Upon receipt of the product read and follow all safe...

Page 2: ...o the wall or compressor coupling Do not fit quick change couplings onto the machine as vibration can cause the coupling to fail 7 Do not overload the machine Allow the tool to operate at its optimum speed for maximum efficiency 8 Do not increase the air pressure above the manufacturers recommended level as excessive overload can cause the machine casing to split Also this creates excessive wear o...

Page 3: ... to the exhaust ports and holding the throttle open approximately 30 seconds The lubricator is properly set when a light stain of oil collects on the paper Excessive amounts of oil should be avoided In the event that it becomes necessary to store the tool for an extended period of time overnight weekend etc it should receive a generous amount of lubrication at that time The tool should be run for ...

Page 4: ...f time as this will shorten its life Maintenance WARNING Disconnect wrench from air supply before changing accessories servicing or performing maintenance Replace or repair damaged parts Use genuine parts only Non authorised parts may be dangerous 1 Lubricate the air wrench daily with a few drops of air tool oil dripped into the air inlet 2 DO NOT use worn or damaged sockets 3 Loss of power or err...

Page 5: ... parts ie a typical oiled lubricated wrench requires 1 2 ounce of oil GREASE LUBRICATED NOTE Heat usually indicates insufficient grease in chamber Severe operating conditions may require more frequent lubrication Tool runs slowly Air flows slightly from exhaust Motor parts jammed with dirt particles Power regulator in closed position Air flow blocked by dirt Check air inlet filter for blockage Pou...

Page 6: ...t cup 1 14 Air Inlet Plug 1 26 Rotor Blade 6 38 Retainer O ring 1 3 Steel ball 1 15 Dust Free Cover 1 27 Pin 1 39 Anvil Bushing 1 4 Adj Spring 1 16 Housing 1 28 Cylinder 1 40 Washer 1 5 Regulating Screw 1 17 Bolt 1 29 Front Plate 1 41 Gasket 1 6 O ring 2 18 Trigger 1 30 Pin 1 42 Hammer Cage 1 7 Valve Sleeve 1 19 Adj Screw Cap 1 31 Gasket 2 43 Washer 3 8 Pin 1 20 Bolt 1 32 Washer 1 44 Bolt 3 9 Valv...

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