39-30
 
  
Adjustment and marking of final drive gear 
sets
 
1 - 
Identification "0397" signifies an Oerlikon 
gear set with a ratio of 37:9 
2 - 
Pairing number (312) of final drive gear 
set 
3 - 
Deviation (tolerance) "r" is based on the 
test machine master gauge used during 
production. The deviation "r" is always 
given in 1/100 mm. Example: 25 signifies 
"r" = 0.25 mm 
Ro - Length of test machine master gauge
Ro - Ring gear diameter 170 mm = 54.95 
mm 
Ro - Ring gear diameter 180 mm = 59.65 
mm 
Pa
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11/19/2002 htt
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