1.2.3.4 Safety risks related to pneumatic/hydraulic systems
General
Special safety regulations apply to pneumatic and hydraulic systems.
Residual energy
Safe design
3HAC039838-001 Revision: C
1.2.3.4 Safety risks related to pneumatic/hydraulic systems
Note
All components that remain pressurized after separating the machine from the
power supply must be provided with clearly visible drain facilities and a warning
sign that indicates the need for pressure relief before adjustments or performing
any maintenance on the manipulator system.
•
Residual energy can be present in these systems. After shutdown, particular
care must be taken.
•
The pressure must be released in the complete pneumatic or hydraulic
systems before starting to repair them.
•
Work on hydraulic equipment may only be performed by persons with special
knowledge and experience of hydraulics.
•
All pipes, hoses, and connections have to be checked regularly for leaks and
damage. Damage must be repaired immediately.
•
Splashed oil may cause injury or fire.
•
Gravity may cause any parts or objects held by these systems to drop.
•
Dump valves should be used in case of emergency.
•
Shot bolts should be used to prevent tools, etc., from falling due to gravity.
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