OPTIONAL ATTACHMENTS
WB140-2N, WB150-2N 5-19
INSTALLATION AND REMOVAL OF THE CLAMSHELL BUCKET
INSTALLATION
To install the clamshell bucket the aid of another person will bere-
quired. To perform installation procedures, proceed as follows:
1. All work must be carried out on a flat smooth surface.
2. Neutralize all hydraulic controls and remove the standard dig-
ging bucket. See “CHANGING THE BACKHOE BUCKET”
on page 2-41.
3. Retract the digging bucket cylinder ram completely.
4. Install the clamshell bucket to the arm.
5. Stop the machine and neutralize all the hydraulic controls.
6. Lock the bucket ram in place at the end of its stroke.
7. In figure (A) disconnect the supply lines (2) and (3) that oper-
ate the bucket cylinder (1). Seal the couplings (4).
8. In figure (B) disconnect the supply lines (2) and (3) that oper-
ate the bucket cylinder (1). Seal the couplings (4).
9. Connect the supply lines from the standard bucket cylinder to
the lines controlling the clamshell bucket.
10. Be sure all unused lines are capped and sealed. be careful when
installing lines. be sure dirt or debris does not get trapped in
these couplings.
11. Start the machine and raise the clamshell off the ground.
12. Open close and swing the bucket several times.
REMOVAL
To remove the clamshell bucket follow in the reverse order.
OPERATING THE CLAMSHELL BUCKET
Consult the specific operators manual for the clamshell bucket.
When removing or installing the clamshell bucket,
always wear eye and hand protection.
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