Front Reduction Driven Gear: Adjustment
- Using the ST, measure height "A" from the ST upper face to the mating surface of the case.
ST 398643600 GAUGE
- Measure depth "B" from the converter case cover upper face to the bearing catch surface.
- Measure depth "C" from the ST upper face to the bearing end face using the ST.
ST 398643600 GAUGE
- Using the following formula, calculate clearance "T" to select a shim.
Formula: T mm = (C - 15) - ((A - 15) - B)
[T in = (C - 0.591) - ((A - 0.591) - B)]
T: Clearance
A: Height from the ST upper face to the converter case mating surface
B: Depth from the converter case cover upper face to the bearing catch surface
C: Depth from the ST upper face to the bearing end face
15 mm (0.591 in): Thickness of ST
Clearance "T" mm (in) Thickness of shim mm (in) 0.470 - 0.569 (0.019 - 0.021) 0.4 (0.016) 0.570 - 0.669 (0.022 - 0.025) 0.5 (0.020) 0.670 - 0.769 (0.026 - 0.029) 0.6 (0.024) 0.770 - 0.869 (0.030 - 0.033) 0.7 (0.028) 0.870 - 0.980 (0.034 - 0.039) 0.8 (0.031) - Select one to two shims so that the total thickness meets the value obtained from above.
Part No. Thickness of shim (in) 31288AA130 0.2 (0.008) 31288AA140 0.3 (0.012) 31288AA150 0.5 (0.020)