Installing Repair Threaded Bush

→ Always secure the rear axle using the → HEXAGON-HEAD BOLT N.909.763.02 following repairs to the chassis bush.

→ Always replace fastening screws.

Fig 1: Identifying Threaded Bush

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Fig 2: Replacing Fastening Screws

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Information 

• The repair bush must be installed recessed. To mill the required shoulder, the tool with the designation Spot facer for Time-Sert thread repair set NR.122-2 must be used. The tool provided with the complete set supplied must not be used in this case! 

1. Drill out thread.
   1. 1.1. Drill out the old thread with a drill to the root of the thread.
   Fig 3: Drilling Out Thread
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2. Mill shoulder.
   1. 2.1. Use a spot facer -C-  to mill out the bore hole to dimension -X-  . → Test and adjustment value: 10 mm  Milling in can only be performed using the tool Spot facer for Time-Sert thread repair kit Nr.122-2  ! Use an electronically controlled power drill set to a speed of approx. 250 ^RPM for _{milling in} .
   Fig 4: Cutting Thread Using Cutting Tool
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3. Cut thread.
   1. 3.1. Cut thread using a cutting tool -D-  up to dimension -Y-  in the chassis bush. → Test and adjustment value: 40 mm  Clean the thread on the chassis bush (blow it out).
   Fig 5: Identifying Threaded Bush Onto Screw-In Tool
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4. Position threaded bush on screw-in tool.
   1. 4.1. Clean thread on bush and on screw-in tool.
   2. 4.2. Oil the screw-in tool -E-  .
   3. 4.3. Screw the threaded bush -A-  onto the screw-in tool -E-  by hand.
      Fig 6: Screwing Threaded Bush Onto Screw-In Tool

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5. Screw in threaded bush.
   1. 5.1. Fully screw in the threaded bush using the screw-in tool -E-  .
      Fig 7: Screwing Threaded Bush Using Screw-In Tool

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   Information 

   • While pressing in the base thread, a noticeably larger amount of force on the screw-in tool is required to form the internal thread. Pressing is finished when the screw-in tool can be turned further more easily. 
6. Press threaded bush.
   1. 6.1. Form and press the threaded bush by turning further with the screw-in tool -E-  in the base thread.
      Fig 8: Pressing Threaded Bush

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7. Unscrew the screw-in tool -E-  from the threaded bush.
   Fig 9: Unscrewing Screw-In Tool From Threaded Bush

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