Agrison HP ULTRA Series Operation Manual page 68

brake emergency brake, and then check the driving wheel parking slip prints in the
road. If the left and right driven wheel in the same road on the prints (prints both
sides into a straight line, parallel to each other, equal in length), indicating that the
appropriate adjustment, or need to re-adjust. If repeatedly adjust well, check the
brake inside.
4.3.2 Adjustment of front driving axle
4.3.2.1 Adjustment of main drive of front driving axle
The adjustment of main drive of front driving axle is shown in the figure.
The twp conical roller bearings on front drive bevel pinion shaft and left and right conical
bearings on differential are all retightened. In the course of service, abrasion of bearing will make
bevel pinion and differential case have axial internal clearance. Therefore, they shall be examined
regularly (with maintenance every 1,600h). The bevel pinion bearing is adjusted by adjusting nut 1.
at time of adjustment, nut 1 shall be tightened, and then return by 1/10-1/6 circle；Nut shall be
locked tightly at last. The left and right adjusting helicoids 6 shall be adjusted while the adjustment
of differential case bearing in order to make backlash of main drive bevel gear pair fall in the range
of 0.15～0.3mm. The adjusting helicoids 6 shall be locked tightly by locking plate 7.
1-Adjusting nut, 2-conical roller bearing, 3-bevel pinion shaft
4-Adjusting washer,5- large bevel gear, 6-adjusting helicoids, 7-locking plate,8- bolt
4.3.2.2 Adjustment of final drive of front driving axle
The adjustment of final drive of front driving axle is shown in the figure. Two conical roller
bearings 7 of final drive of front driving axle are retightened. Before adjustment, the bolt 1 shall be
removed to take off planetary carrier 2; the adjusting nut 3 shall be tightened and then return by
1/10～1/6 circle to make front hub 6 rotate flexibly. Lastly, the detached parts shall be reassembled
and tightened.
Maintenance Instructions
Fig.4-9 Adjustment of main drive of front driving axle
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