9-11 TA9 & TA10 Dumper 0803-3 December 2010
Maintenance
Hydraulic System
During ANY hydraulic maintenance extreme care should be
taken to ensure the cleanliness of the hydraulic circuit. By
observing strict hydraulic cleanliness the machine will benefit
from fewer hydraulic failures through contamination. For
example:
Always
• Thoroughly clean machine before any maintenance. Use
paper roll, not rag, to wipe parts.
• Use fresh, clean hydraulic oil from a sealed container.
• Ensure old gasket particles and excess sealing compound
etc. do not enter the system. If they do clean them out.
• Ensure new parts and fittings are kept in sealed bags etc. and
they are stored away from any contamination.
• Remove flaking paint from around the area being
maintained. Inspect the inside of new tanks for plastic debris
etc.
Never
• Fit new hoses if both ends are not fitted with plastic caps.
• Fit new valves, pumps, motors, filters etc. if all the ports are
not plugged.
• Use dirty containers for oil storage.
• Use dirty containers or funnels for filling hydraulic system.
• Store hydraulic components on the floor, in areas where
welding or grinding is done, in a dirty environment etc.
Hydraulic Filters
A description of the hydraulics, and circuit diagrams is
contained in this manual under the section headed Hydraulic
System on page 5-6. The system components are maintenance
free other than the suction strainer and return line filter.
Whilst removing these parts it is recommended the system is
drained and refilled with clean new hydraulic oil as specified on
the lubrication chart on page 9-28.
NOTICE
When renewing these filters, the area around the filter
should be cleaned before removing old filters to prevent
ingress of dirt into the hydraulic system
b
Waste Oil MUST be Disposed of Legally
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