Gear sets, adjusting and marking

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Fig 1: Identifying Gear Set Markings And Adjustment Dimensions

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Marking "0937" indicates Oerlikon final drive set with transmission ratio 37 : 9.

NOTE: Klingelnberg final drives "K937" or Gleasen final drives "G937" can be installed.

2 - Gear set pairing number (312).

3 - Deviation (tolerance) "r" is based on the test machine master gauge used in production. The deviation "r" is always given in 1/100 mm. Example: "25" means r = 0.25 mm

Ro - Length of adjustment master "Ro" of tester used.

Ro - Ring gear = 57.50 mm

Fig 2: Identifying Gear Set Markings And Adjustment Dimensions

Courtesy of VOLKSWAGEN UNITED STATES, INC.

R - Actual dimension between ring gear and face of pinion shaft at point with quietest running for this gear set. R = Ro + r

Vo - Hypoid offset