Maintenance Instruction
68
connecting end of the main reducor housing. Next, measure the distance between the spacer bush and the retainer ring
slot. This distance is the thickness of the adjusting gasket. Replace the adjusting gasket, and then install the retainer
ring for hole.
B
．
Under the master pin, dismantle the retainer ring for hole and seal cover. Adjust according to the engagement
clearance of 0.15–0.25 mm. of the gear and contacting spot (along the direction of tooth height (≥50%) and the
direction of the tooth length≥50%). You can reduce the engagement clearance by increasing the gasket size.
After adjusting the engagement clearance and the meshing mark, measure the distance between bearing 6308 and the
retainer ring slot 90 for hole. This distance is the thickness of the adjusting gasket. Next, install the adjusting gasket,
the retainer ring 90 for hole, the seal cover and the retainer ring 102 for hole.
When all the adjustments are finished, set the front axle in its original position. Move the front wheel by hand
(it should turn freely with no abnormal noise). Fill with the lubricant to the center of the oil pointer and screw the plug
of the oil refiller.
Figure 4-7 Front Drive Axle Assembly Structure and Adjustment
1. Final Drive Gear Wheel 2. Driven Gear 3. Half-Axle Driving Gear 4. Large Spacer Bush 5. Adjusting Pad
6. Fetainer Ring 7. Adjusting Bolt M16 8. Small Round Nut 9. Front Central Drive Driving Gear 10. Front Central Drive
Driven Gear 11. Adjusting Gasket 12. Half-Axle Sleeve 13. Final Drive Housing 14. Final Drive Driving Gear
15. Sealing Cover 16. Adjusting Pad 17. Retainer Ring
