Hydraulic Rock Drill COP RR14 / SC14 Ver. C 2 General Information
9 No: 4124851851.2.9007203379904011 en-US
• Wet areas around hoses and connections is a sign for leaks that can cause spurting oil
or burst hoses if the leak worsens.
• The hose casing must be intact without any swelling (sign of inner hose or cord break-
age).
• Couplings must not have indentations or cracks and must make a secure connection.
Retighten or feel the coupling connection manually if a leak is suspected.
• Check that all hose attachments and clamps are intact. Loose attachments means that
hoses are damaged or get jammed during angle adjustment or when lowering the ma-
chine.
• Replace or rectify in the event of any faults.
2.4 Hydraulic Components
2.4.1 General
The hydraulic system is sensitive to contamination. The environment where the machine is
normally used is generally an unsuitable place for repairing hydraulic components. Inter-
vention in hydraulic systems in workplaces must be limited. Components must be repaired
in an adapted environment, refer to Hydraulic Workshops.
Observe the following points to avoid breakdowns and interruptions in operation due to
fouled hydraulic oil:
• Keep the machine clean. Hose it down at regular intervals using a degreasing additive.
• Before opening any connection, clean the area around it.
• Use clean tools and work with clean hands.
• Always plug hydraulic connections immediately after they have been detached. Use
clean protective plugs.
• Hydraulic components like hoses, valves, engines must always be stored with suitable
protective plugs fitted in place.
2.4.2 Hydraulic Workshops
Workshops that are used for the repair of hydraulic components must:
• Be separate from activities which generate dust and particles, such as welding, grind-
ing, the transportation of machines.
• Have own suitable washing equipment required for repairing the components.
• Use only tools from a hydraulic workshop consisting of standard and special tools.
• Have a ventilation system that does not admit dust into the premises.
• Use trained mechanics.
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