OPTIONAL ATTACHMENTS
WB140-2N, WB150-2N 5-11
When the backhoe is in use, and the telescoping arm is needed, remove
the pin (4) and insert it into the holding place (6) for the pin
Remark
Always keep the safety pin with the machine. Never use a
substitute or damaged pin. If it is missing or damaged have it
replaced immediately.
MAINTENANCE
The telescopic arm requires two maintenance procedures:
• Lubrication of joints (grease fittings). S“LUBRICATION DIA-
GRAMS” on page 3-12.
• Adjustment of slide guide (8) slack done occasionally, when in
pace or vibrations are noticed during work
.
1. Position the machine on a flat firm surface and lower both-
outriggers.
2. Raise the boom, completely fold the bucket and completely
extend the telescopic arm (7).
3. Fold the arm until slide guides (8) are perpendicular to the
ground and positioned so that the extendable part is completely free and does not strain the guides.
4. Stop the engine.
5. Check the side which has the guide adjusting dowels (9) protruding
the most. Only make adjustments on this side.
Remark
If adjusting dowels (9) protrude the same amount on both
sides, the step 6 adjustment can be done on either the right
or left side.
When leaving the operators compartment to adjust the
guides, remove the ignition key and tag the steering
wheel. Adjust the screws and guides one by one. Do not
place tools in the space between the safety locks and
arm.
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