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This newly designed heavy-duty air/hydraulic riveter is 

ergonomically designed with the professional in mind. The 

lightweight 3.7 lbs. well balanced MP-4V includes a Vacuum system 

and is designed to maximize a 1” stroke and 3,420 lbs. of pulling 

force with a 3 jaw setup that gets the job done. The air supply can be 

connected directly or you can use the supplied swivel air connector 

with the attached hose for operator convenience. Each tool is 

supplied with nosepieces to set 5/32”- 1/4” rivets in all alloys. A 1/4" 

Monobolt nosepiece is included in addition to adjustment service 

wrenches, fluid applicator, spare jaws and an air off/on valve. The 

adjustable Vacuum System control knob located on the side of the 

tool allows you to control the force of the air needed to hold the rivet 

in place or you may operate with the vacuum system turned off.

 

Recommended air pressure is 85-95 PSI.

 

 

 

 

        
 

 
               

 

1

      MP-4V Heavy Duty Riveter / 39048 

  

 

 LA-534 
 07/2014 

 

2

 

 

1925 N MacArthur Dr. 
Suite 200 
Tracy, CA 95376 

Arconic

Fastening

Systems and Rings

Summary of Contents for MARSON MP-4V

Page 1: ...hed hose for operator convenience Each tool is supplied with nosepieces to set 5 32 1 4 rivets in all alloys A 1 4 Monobolt nosepiece is included in addition to adjustment service wrenches fluid applicator spare jaws and an air off on valve The adjustable Vacuum System control knob located on the side of the tool allows you to control the force of the air needed to hold the rivet in place or you m...

Page 2: ...into the collection cup If you don t want to use the vacuum system rotate the silver knob counter clockwise to shut it off The tool will still function but must be tilted backwards to allow spent mandrel to fail into collection cup ADDITION OF HYDRAULIC FLUID 1 Disconnect air supply to tool and switch ON OFF valve to OFF position 2 Remove seal screw and seal see Fig 3 3 Screw the priming pump of f...

Page 3: ... the rivet being used Connect tool to air supply and pull trigger and hold trigger button 2 Using wrench supplied unscrew nosepiece from frame head replace with proper size nosepiece Tighten down with wrench DO NOT OVERTIGHTEN Release trigger Arconic Fastening Systems Marson division warrants that this tool will be free from defects in material and workmanship under normal service and for ninety 9...

Page 4: ...4 MP 4V BREAKDOWN PARTS LSIT ...

Page 5: ...M95319 Seal plastic housing 62 M95364 On Off assembly 18 M95320 Sealing ring 20x13 5x3 5 63 M95365 Valve rod 19 M95321 Head assembly 64 M95366 Screw plug 20 M95322 U Ring 14x22x6 3 65 M95367 Silencer 21 M95323 Retaining nut 66 M95368 Cylinder cover 22 M95324 O Ring 26 7x1 78 67 M95369 O Ring 81 7x1 9 23 M95325 U Ring 30x22x6 68 M95370 Bolt 24 M95326 Principal Axis Unit 69 M95371 Lock nut 25A M9532...

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