504G3 SERIES TRACTOR OPERATION MANUAL
74
Fig.6-3
1. Locking nut 2. Bearing 3. Bolt 4. Adjusting shim 5. Bearing
6. Spiral bevel pinion 7. Locking board 8. Cross head screw
9.Adjusting nut 10.Bearing 11.Spiral bevel crown gear
12. Bearing 13. Adjusting nut 14. Cross head screw
Through changing the thickness of the adjusting shim to move the spiral bevel pinion
along the axle direction, and it can also move the Spiral bevel crown gear by adjusting
the nuts (9) and (13). Both of the two methods can help to adjust.
During the adjustment, when it has the proper meshing zone, but without the correct
clearance, or on the other way, it should be better to get the proper meshing zone, with
the clearance not less than 0.16mm.
6.5 Adjustment of the Front Axle (4WD)
To inssure the reliability of the front axle bevel transmission, assembled pinion and
crown gears should be a pair of match. And they should get to the proper mashing zone.
During the usage, the gears must be adjusted when the bearings and gears abraded
(Fig.6-4).
6.5.1 Adjustment of the pre-stress of the spiral bevel pinion bearings
The adjustment of this part is similar to the description 6.4.1, just insure the torque
when rotating the pinion gear get to 1.2~1.5Nm. Somebody who is experienced should
be asked for help when there is no equipment or tool can be used to measure the
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