SAFETYDEVICE
43
MUX20JP021602
BoomLiftModels X20JPLUS
Allplatformdistributorshaveapressurereliefvalvethatlimitsthepressurein‐
sidethesystemtothevaluesetforthesamevalve.Thesevalvesaresetwhenthe
platformistestedbyqualifiedpersonnelandmustnotbetamperedwithforany
reasonwhatsoever.
8.3. CYLINDERSTOPVALVES
Thestabilisercylinder
shaveadoublestopvalvewhichincaseofsystembreak‐
downorhosebreakagestopsthecylinderpreventingdangerousplatforminsta‐
bilitysituations.Allcylindersthatmovetheaerialpartoftheplatformstructure
arefittedwithastopvalvewhichincaseofsystembreakdownorhosebreakage
stopsthecylinderpreven
tingthebasketfromfallingduetogravity.
Fig.11 Cylinderstopvalves Fig.12 Cylinderstopvalves
Thesevalvesarecalibratedintheplatforminspectionphasebythe
constructorandmustnotbetamperedwithforanyreason.