Testing the hydraulic executing components in the powered roof support unit in the aspect of European Union requirements
MADEJCZYK W.

S u m m a r y
The requirements which the hydraulic executing components in the powered roof support unit should meet from the day of 1st of May, were presented. The Polish Standards PN-EN 1804-1:2202(U) and PN-EN 1804-2:2202(U) have a status of standards harmonized with the 98/37/EC Machine Directive being in force in European Union.