Aimco UAN-611R, Repair Manual

January 2004

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Public Server/Manuals/UAN Pneumatic Nutrunner

Disassembly and Reassembly of the Angle Head Section

Disassembly: 

1.

On the UAN-611R and 701R, loosen the locking nut (right hand) and remove the angle head casing on the  
UAN-830 and 950.  Remove the angle head casing (left hand). 

2.

Remove the angle head casing cover on the UAN-611R and 701R.  Use Jig #268-488-6-5 to remove the 
angle head casing cover. 

3.

Remove the driving gear, bearing, adjusting spacers, and O-rings from the angle head. 

4.

Remove the driving gear spindle 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 bearing collar.  

Note:

  The 

adjustment spacers are for adjusting the gear lash. 

2.

Install driving gear, spacers, O-ring, and angle head casing cover.  

Note:

  The adjustment spacers are used 

to adjust the gear lash. 

3.

Install the angle head casing onto tool.  On the UAN-830 and 950, use a small amount of a service 
removable thread locker.