Maintenance Instruction
5.5.1 Tapered bearing preload adjustment (see Fig. 5-6)
After use for a while, the bearing wear will gradually eliminate the preload, creating the play between the two
bearings. If the play is more than 0.1mm, the tapered bearing should be pre-tightened again.
The preload adjustment of 2
nd
shaft tapered bearing:
Adjust the lock nut 2 close to the bearing 2 to adjust the torque of driving bevel gear 1 to (1.5~2.5)N·m. Lock the nut
2 after the adjustment. If it is difficult to measure the torque, ask skillful person for help. The nut shall be locked after
the adjustment.
Fig.5-6 Tapered bearing preload adjustment
1. Driving bevel gear of main drive; 2. Lock nut; 3. Cone bearing; 4. Bearing seat of driving gear; 5. Adjusting
washer; 6. Cone bearing; 7. Adjusting washer; 8. Short axle shaft assembly; 9
. Paper pad; 10. Screw; 11. Right jaw;
12. Left jaw
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