jcb JS300 Service Manual page 229

11. Move the bucket to the dump position so that the dipper link and the bucket bores are closely aligned (as
shown at position 'C'), with the bucket teeth/toe plate above the ground by the specified distance.
Distance: 20mm
11.1. In this position the bucket will be at a point of balance and will be suspended on the steel bar at
position 'D', only through the tipping-link.
12. Remove the steel bar from position 'C', then push the pivot pin through.
13. Align the locking pin holes in the pivot pin and the boss, then install the locking pin.
14. Put the bucket flat on the ground in a suitable position.
15. Remove the second steel bar from position 'D'.
16. Swing the bucket link out and hold the O-ring seals in position. Refer to Figure 190.
17. Carefully move the bucket link forwards into alignment with the bucket bosses, as shown at position 'D'.
18. Push the pivot pin through the bores at position 'D'. Be careful, do not to put your fingers in a position
where they can get trapped.
19. Align the locking pin holes in the pivot pin and the boss, then install the locking pin.
20. Make sure that the O-ring seals are in their correct positions.
21. Grease the pivot pins.
E O-ring seals
Reversal
1. Do the bucket removal procedure.
2. Slightly lift the dipper, then turn the bucket by the specified angle.
Angle: 180°
3. Do the bucket installation procedure.
154
Figure 190.
E
9831/1100-2
Attachments
Direct-Mounted Attachments
154