Direct-Mounted Attachments; General - jcb JS300 Service Manual

General

Removal
1. Move the boom straight in front of the machine.
Refer to: Operation > Operating Levers/Pedals (Page 96).
2. Put the bucket on level ground, with the dipper approximately vertical and the bucket flat.
3. Put blocks around the bucket to prevent its movement.
4. Stop the engine.
5. Remove the ignition key.
CAUTION! Stand clear and to one side of the bucket while you remove the pivot pins. With the pins
removed, the bucket could roll over.
WARNING! If two people are doing this job make sure that the person working the controls is a competent
operator. If the wrong control lever is moved, or if the controls are moved violently, the other person could
be killed or injured.
6. At the bucket tipping-link, remove the locking pin from the pivot pin. Refer to Figure 188.
7. At the dipper nose, remove the locking pin from the pivot pin.
A Bucket tipping-link: Pivot pin
B
Dipper nose: Pivot pin
8. Lift the bucket from the ground by the specified distance.
Distance: 20mm
9. Use the bucket ram to adjust the position of the bucket tipping-links, until there is no load on its pivot pin.
10. Use a hard wood, nylon or copper drift to remove the pivot pin from the bucket tipping-links. If necessary,
the drift can be hit with a hammer.
11. Retract the bucket ram so that the bucket tipping-links are away from the bucket, then remove the O-ring
seals.
152

Direct-Mounted Attachments

Figure 188.
B
9831/1100-2
Direct-Mounted Attachments
A
20mm
Attachments
152