Safety Risks Related To Pneumatic/Hydraulic Systems - ABB M2000 Product Manual

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
3HAC023297-001 Revision: A
1.2.3.4. Safety risks related to pneumatic/hydraulic systems
• Residual energy may be present in these systems so, after shutdown, particular care
must be taken.
• The pressure in pneumatic and hydraulic systems must be released before starting to
repair them.
• 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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