|
Compliance is checked by inspection, and screws and nuts transmitting contact pressure or' p$ s b7 p$ K' K3 h* A$ ~
which are likely to be tightened by the user shall be tightened and loosened five times. Screws
( o& V) l7 s& }) F/ O7 T$ oand nuts of insulating material shall be removed completely during each operation of loosening! ?7 X) {& }0 d$ V% p P) R
of the screws. During the test, no damage impairing the further use of the fixing or screwed connection shall occur. After the test, it shall still be possible to introduce the screw or nutmade of insulation material in the intended manner |
|