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Use a magnetic-based dial gauge (1) to check that the crown 49246 19453 Figure 100 Figure 101 Figure 102 Apply a light layer of Prussian blue on the crown wheel. Refit and repeat the adjustment operations described previ- 19451 Figure 103 Figure 104 Contacts too much on crown wheel teeth bottom land Conditions C-D. Indicates that the pinion is fastened too Condition C. Measure the clearance and restore it after Condition D. After adding shims, take the clearance towards 19452 Contacts too much towards the crown wheel teeth top land Conditions A-B. Indicates that the pinion is fastened to much Condition A. After removing the shims, take the clearance Condition B. Measure the clearance and restore it after 19454 Clearance reduction Clearance increase 1. Release, concave side of tooth 2. Top land 3. Pulling, convex side of tooth 4. Heel PULLING. Central tending towards the top land on the tooth RELEASE. Central tending to the heel on the tooth face and Indicates that the pinion is fastened correctly. The contact position can be further changed by changing the Condition E. Lower the clearance. Condition F. Increase the clearance. THEROETICAL CONTACT AREA 1 2 3 4 E URO C ARGO T ECTOR 12-26 t AXLES IN TANDEM (INTERMEDIATE) 45 Base - February 2003 |