Alba MC250 - Mast Column Erection

MC250 page 15 of 78
MC250 Rev.02-USA  (+34) 944 71 16 00  (+34) 944 53 17 54  export@alba.es www.alba.es
2.5.4 Mastcolumnerection
ThemastsarejoinedthroughtwoTshapedscrews.Thenutsofthesescrewshaveanotchthat
prevents them from loosing. Due to this the screw cannot be separated from the mast. The
screwsaretightenedwiththescaffoldingassemblyratchetwrench:


Scaffolding
assembly
ratchetwrench
Tightenthenut
withthescaffold
ratchet
WARNING:
Whenjoiningeachpairofmasts,checkthatthenutsaretightandthattheassembly
betweenmastsiscorrect.
Replacethescrewsandnutsthatshowknocksordentswithnewones.
Anincorrectmastjointcouldcauseaseriousaccident.