OPTIONAL ATTACHMENTS
5-18 WB140-2N, WB150-2N
REMOVAL
To remove the hammer, proceed as follows:
1. Stop the engine and neutralize all the hydraulic controls to relieve all pressure on the system.
2. Press the hammer control pedal to release the pressure present in the hammer hydraulic system.
3. Disconnect the hammer delivery and return lines capping them immediately.
4. Disconnect hammer from the constraints described in: “CHANGING THE BACKHOE BUCKET” on page 2-41.
5. Operate the controls and check for any leaks around the caps.
CLAMSHELL BUCKET
The machine can be arranged for the installation of a clamshell type bucket on the backhoe instead of the standard digging-
bucket. The installation of the clamshell bucket allows the option of picking up material from a single point rather than scoop-
ing it with the digging bucket.
DESCRIPTION AND CONTROL
For the swing movement of the clamshell bucket an independent hydraulic circuit controlled by an additional distributor is
provided, while the opening and closing operation is controlled by the standard backhoe digging bucket circuit. The other
movements for the boom and arm remain unchanged.See “OPERATING THE BACKHOE” on page 2-38.
• The clockwise rotation of the bucket is obtained by pressing the foot pedal rolling it forward.
• The counter clockwise rotation of the bucket is obtained by pressing the foot pedal rolling it backward.
• To open the clamshell, move the right wobble stick to the right, and to close the clamshell, move the right wobble stick to
the left.
If the machine will be equipped with a clamshell bucket, it is advised not to travel on roads due to size and
fact the clamshell is suspended from the arm and will swing when traveling. All work with the clamshell
bucket must start and end at the work site.
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