GRAPPLES – USER MANUAL
17
8. TROUBLESHOOTING
8.1. GENERAL
When troubleshooting first find out if the fault is mechanical,
electrical or hydraulic.
8.1.1. Mechanical faults
Check that the function is not jammed.
8.1.2. Electric faults
The most common electric faults are
- bad contact in connectors (loose connector, wire became
loose from connector, moisture)
- broken wire (no contact or shortcut)
8.1.3. Hydraulic faults
Troubles in hydraulic system are often caused by foreign particles
in valve spool or restrictor, or a broken seal. Be careful to avoid
getting impurity to the oil when changing hoses and filling oil to
the system.
9. DISPOSING OF THE MACHINE
When the grapple ends its service life, it shall be disposed
appropriately. Follow these instructions to avoid unnecessary
damage to the environment.
- A grapple to be scrapped should be delivered to a scrap yard
where scrapping takes place under control.
If you cannot deliver the grapple to be scrapped, act as follows:
- Drain the oil from the hydraulic system and deliver waste oil to
a monitored waste oil collection point.
- Disconnect all hydraulic hoses and deliver them to a suitable
collection point.
- Deliver the metallic parts to metal waste collection.
Summary of Contents for proG 20
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