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| Dimension “a” = 43.5 mm |
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| Screw in adjustable measuring lever -VW 388- so that the dial gauge extension is at right angles to the measuring face. |
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| Rotate bevel gear with input shaft until stop. The shaft bevel gear must be held in one position. Position dial gauge, turn bevel gear with input shaft back and read off backlash. Note this value. |
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| Loosen clamping sleeve locking screw and after turning bevel gear with input shaft through a further 90°, repeat complete measuring process a further 3 times. Add up the four measured values and calculate the average backlash. |
| Calculating average backlash |
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