PRECAUTIONS FOR MAINTENANCE
58
WEAM009300
2.8.25 PRECAUTIONS TO BE TAKEN WHEN HANDLING
TECHNOPOLYMERS AND ELASTOMERS
DANGER
q Some components of the machine contain polymeric and elastomeric materials (Viton sealing rings,
Teflon rings, piston rings made of fluoroelastomers, electric cable insulating materials, etc.).
At ambient temperature and up to approximately 200°C these materials can be handled without taking
special precautions, since they are completely inert.
If these materials are burnt, they send out gas and become highly toxic.
Once they have cooled down, these materials must be collected in tight bags using heavy, waterproof
gloves; then, gloves and materials must be disposed of according to the current regulations in force.
The contaminated parts of the machine must be washed with highly alkaline detergents and then with a
solution of water and detergent.
q Avoid burning gaskets, eletric cables, sealing rings.
q Dispose of elastomeric and polymeric waste according to the
regulations in force.
q Do not touch any burnt elastomeric or polymeric waste and in
case of accidental burning avoid inhaling the toxic gases
produced.
q In case of contact with the skin, immediately rinse with a
solution made of water and an alkaline detergent for about 30
minutes and then contact a poisoning treatment center without
delay.
2.8.26 PRECAUTIONS TO BE TAKEN WHEN USING SYNTHETIC
BIODEGRADABLE OIL TYPE HEES
q It is not possible to mix synthetic biodegradable oil type HEES with ordinary hydraulic oils, since when the
temperature increases insoluble compounds are generated, which are deposited on the filters and clog them
(the maximum concentration of ordinary oil cannot exceed 1% of the total quantity of oil).
q Biodegradable oil can be used only in the hydraulic system; it cannot be used in the engine, the transmissions,
the braking system, etc.
q Before introducing the biodegradable oil in the hydraulic system, empty the system completely, disconnecting
the cylinders and all the parts that may contain ordinary oil, and replace the drain filter with a new one.
Start the engine and let it idle without using the work equipment, wait until the oil reaches a temperature of at
least 40°C, then start moving the equipment, so that all the parts of the system are filled with oil. Stop the engine
and check the oil level (see "3.3.1.2 CHECKS TO BE CARRIED OUT BEFORE STARTING THE ENGINE" - "
CHECKING THE OIL LEVEL IN THE HYDRAULIC TANK AND TOPPING UP").
RKA13780
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