h) Ranove nuts from secondary gear-cluster shaft. 



i) Loosen set screw in collar on left side of recorder main 

 drive shaft. 



j) Remove the side frame of the recorder from the recorder base 

 opposite from the motor. 



k) Remove large gear from left side of main gear shaft. 



1) Remove spacer which holds the smallest gear on main 

 drive shaft. 



m) Place new gears and spacers on main drive shaft and on 



secondary gear-cluster shaft as shown on Figures 57 and 58. 



n) Re-assemble recorder, and tighten setscrews in spacers and 

 new drive gear. 



o) If gear assembly binds when re-assembled, some hand-fitting 

 of the spacers may be required. 



The gear train should run freely when it is properly adjusted. 



Lubricate the shafts and gear trains when reassembling. The re- 

 corder gear assembly before and after modification is shown on Figures 

 57 and 58. 



108 



