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Aimco UAN-611R, Repair Manual, Page: 2 / 15

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Aimco UAN-611R Repair Manual Download Page 2

 

 

 

  

Contents 

 
 

 

Page 

 

Number 

 
 

1.  Tools Needed for Repair of UAN Series Pneumatic Nutrunner 

1 

 
2.  Disassembly and Reassembly of Clutch (UAN 611R & 701R) 

2-3 

 
3.  Disassembly and Reassembly of Clutch (UAN 830 & 950) 

4-5 

 
4.  Disassembly and Reassembly of Gear Section 

6-7 

 
5.  Disassembly and Reassembly of the Angle Head Section 

8-9 

 
6.  Disassembly and Reassembly of the Air Motor 

10-11 

 
7.  Trouble Shooting and Preventive Maintenance 

12 

 

 

Summary of Contents for UAN-611R

Page 1: ...REPAIR MANUAL UAN Series Pneumatic Nutrunner ...

Page 2: ...Reassembly of Clutch UAN 611R 701R 2 3 3 Disassembly and Reassembly of Clutch UAN 830 950 4 5 4 Disassembly and Reassembly of Gear Section 6 7 5 Disassembly and Reassembly of the Angle Head Section 8 9 6 Disassembly and Reassembly of the Air Motor 10 11 7 Trouble Shooting and Preventive Maintenance 12 ...

Page 3: ...liers 9 Crescent Wrench 10 Lock Ring and Horseshoe Washer Pliers Proto P250 11 Propane Torch Turner Self Lighting 12 471 670 7 1 Jig to Insert the Notch Pin Band on the Cam Guide 13 517 065 4 5 Jig for Disassembly and Assembly of Driving Gear Spindle Screw 14 268 488 6 5 Jig for Disassembly and Assembly of Angle Casing Cover for the UAN 611R 701R 60C 15 259 488 6 5 Jig for Disassembly and Assembly...

Page 4: ...outside of the cam guide is the same all the way around BALLS Inspect for pitting 2 Inspect all springs for tension 3 Replace all worn parts Reassembly 1 Install the spring and ball into the cam 2 If replacing the pilot pin press the new G pin into the pilot pin Install the pilot pin G pin out into the cam guide 3 Install the cam into the cam guide Rotate the cam The lobe on the pilot pin should a...

Page 5: ... UAN 611R 701R Clutch Part Number Description Part Number Description 1 2 3 4 5 6 7 8 9 Cam Pilot Pin Reset Spring Inner Snap Ring Pilot Pin Cam Roller Notch Pin Cam Ring Spring Setter Torque Spring 10 11 12 13 14 15 16 17 Steel Ball Regulator Screw Cam Balls Pilot Pin Reset Ball G Pin Notch Pin Band Stopper Stopper Pin ...

Page 6: ...ooving 3 Inspect the cam roller pins for wear 4 Replace all worn parts Reassembly 1 If you replaced the cam rollers and or cam roller pins be sure to peen the cam setter bushing to the cam roller pins 2 Install the cam setter put grease on the cam rollers adjusting ring cam shaft and spring into the clutch casing 3 Thread the adjusting shaft nut onto the adjusting shaft Now align the cut outs on t...

Page 7: ...mbly of Clutch UAN 830 950 cont UAN 830 950 Clutch Part Number Description Part Number Description 1 2 3 4 5 6 Adjusting Shaft Adjusting Shaft Nut Torque Spring Spring Setter Cam Shaft Cam Roller 7 8 9 10 11 Cam Roller Pin Cam Shaft Bearing Adjusting Ring Cam Setter Cam Setter Bushing ...

Page 8: ... planet gears from the gear casings Inspection 1 Inspect the teeth of the gear casing internal gear and planet gears for pitting and grooving 2 Inspect needle rollers for wear 3 Inspect bearings for side play and knocking 4 Replace all worn parts Reassembly 1 Grease all bearings planet gears gear casing and internal gears 2 Install snap rings bearings planet gears needle rollers and gear cages int...

Page 9: ...Section cont First Gear Section UAN 611R 701R Second Gear Section UAN 611R 701R Gear Section UAN 830 950 Part Number Description Part Number Description 1 2 3 4 5 O Ring Bearing Spacer First Gear Cage Gear Casing 6 7 8 9 10 Needle Roller Planet Gear Snap Ring Second Gear Cage Needle Roller Bearing ...

Page 10: ...le or gear cage bearing collar bearings spacers bushings and driving gear On the UAN 611R and 701R use Jig 517 06504 5 to remove the driving gear spindle Inspection 1 Inspect the driver and driving gear for pitting and grooving 2 Inspect all bearings for side play and knocking 3 Replace all worn parts Reassembly 1 Install the driving gear bushings spacers and driving gear spindle or gear cage bear...

Page 11: ...t Number Description 1 2 3 4 5 6 7 8 9 10 11 Angle Casing Cover Adjusting Spacer O Ring Bearing Retainer Pin Anvil Driving Gear Roller Pin Needle Roller Bearing Grease Cup Angle Casing 12 13 14 15 16 17 18 19 20 21 Locking Nut Snap Ring Driving Gear Needle Roller Bearing Bushing Spacer Adjustment Spacer Bearing Driving Gear Spindle Retainer Screw Gear Cage Bearing Collar ...

Page 12: ...s 3 Inspect plate for grooving 4 Inspect blades for splitting and grooving on the sides and ends 5 Inspect the exhaust filter for dirt 6 Replace all worn parts Reassembly 1 Press the greased bearing into the rear plate and over the rotor Note There should be a small amount of drag between the rotor and the rear plate but no light 2 Lightly oil the blades and install into the rotor with the flat si...

Page 13: ... UAN Pneumatic Nutrunner Disassembly and Reassembly of the Air Motor cont UAN 611R 701R UAN 830 950 Part Number Description Part Number Description 1 2 3 4 5 Bearing Pin Front Plate Rotor Blade 6 7 8 9 Cylinder Rear Plate Bearing Roll Pin ...

Page 14: ...huts off Bur on Pilot Pin or inside of Cam Clean bur off of Pilot Pin or Cam Loss of RPMs Exhaust Filter is dirty causing back pressure Filter Lever type only Tool will not run The Valve Rod is pushed through the Shut off Valve Replace Shut off Valve O ring has gotten pushed down into the Casing Tool runs all the time Air pressure is too high Put the O ring back into its seat Shut off Valve damage...

Page 15: ......

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