HOSE AS 2023907 - Caterpillar

16. If backlash is too much, loosen adjustment ring (7) and tighten adjustment ring (11) the same amount.17. If the backlash is not enough, loosen adjustment ring (11) and tighten adjustment ring (7) the same amount. Differential bearing preload will be kept only if the loosening of one adjustment ring is followed by the tightening of the other adjustment ring the same amount.18. After the backlash and preload adjustments have been made, the tooth contact between pinion (5) and the ring gear (9) must be checked, as follows: a. Put a small amount of Prussian blue, red lead, or paint on the teeth of ring gear (9).b. Turn pinion (5) in both directions.c. The correct area of tooth contact starts near the inside end of the teeth of ring gear (9) and goes a maximum of 50 percent down the length of the teeth. See Illustration C for the correct area of tooth contact.19. If the area of tooth contact looks like Illustration D, use the procedure that follows: a. Remove some of shims (6).b. Do Steps 11 thru 17 again.c. Do Step 18 again to check the area of tooth contact.20. If the area of tooth contact looks like Illustration E, use the procedure that follows: a. Add some of shims (6).b. Do Steps 11 thru 17 again.c. Do Step 18 again to check the area of tooth contact. Always make sure the backlash adjustment is correct before an adjustment is made to the area of tooth contact. Several adjustments to the backlash and tooth contact may be necessary to get the correct adjustments.21. Install pin (12) and cover (14) without shims (13). Tighten bolts (15) enough to remove any clearance between the pin and the cover.22. Measure the distance between the faces of the cover and the axle housing. Install an amount of shims (13) to get the correct clearance at (B), the same thickness as the distance plus ... .002 .001 in.(0.05 0.03 mm)
ILLUSTRATION C
ILLUSTRATION D
ILLUSTRATION E