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•
Do not attempt to loosen or disconnect any hydraulic lines, hoses, fittings, cov-
ers or caps without first relieving hydraulic circuit pressure. Relieve hydraulic
pressure by performing the Mandatory Safety Shutdown Procedure of the
machine, and then slowly loosening the hydraulic reservoir filler cap. Be care-
ful not to touch any hydraulic components that have been in recent operation,
because they can be hot and cause burns.
•
Do not work on hot hydraulic systems. Wait for the systems to cool. When flu-
ids require changing, wait for fluid temperatures to decrease to a moderate
level before removing drain plugs.
•
Prior servicing, the system has to be depressurized completely!
•
Safety-critical parts must be periodically replaced. Replace hydraulic system
hoses as soon as they begin to show signs of deterioration, especially the
pump outlet lines. Replace hydraulic hoses every 6 years from the date of
manufacture (month or quarter, and year) is indicated on the hydraulic hoses.
•
After cleaning the attachment, check all hydraulic oil lines for leaks, chafe
marks and damage. Tighten any loose connections and repair or replace parts
as necessary.
•
Add hydraulic fluid to the attachment only in well-ventilated areas.
•
Escaping fluid under pressure can be invisible and can penetrate the skin and
cause serious injury. If any fluid is injected into your skin, see a doctor at once.
Injected fluid must be surgically removed by a doctor or gangrene may result.
If your doctor is not familiar with this type of injury, ask him or her to research it
immediately to determine proper treatment.
4.Safety
53
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