1 Safety, service
1.2.3 Safety risks related to pneumatic/hydraulic systems
3HAC021111-001 Revision: B 19
1.2.3 Safety risks related to pneumatic/hydraulic systems
General Special safety regulations apply to pneumatic and hydraulic systems.
Residual energy
• 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.
Safe design • 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.