12
Openthefirstknob,whichallowsyoutofreeupthemovementofthefirstsectionofmast.
Liftingthefirstsectioncompletely,actingonthehandpump.
Asectioncompletelyraised,proceedtolockitthroughthehandwheel,butonlyafterhavingstoppedtheairinletinthe
mast.
Loosenthesecondhandwheelandrepeatthepumpingoperationandthenlockinguponcompletionoflifting.
Repeattheoperationuntilyoureachthedesiredheightorthecompleteextensionofthecolumn.
Proceedtotheloweringofonesectionatatime,startingfromthelastonethatwasraised.
Thenloosenthelowerhandwheel,actonthevalvetodischargetheaircontainedinthemast.
Proceedasyougowiththenexthandwheeluntiltheoperationiscomplete.
Lockallthehandwheels
ATTENTION!
Incaseof particularly rigidtemper atures,difficultiescanoccur in thecompleteloweringofthecolumn forinternalice
formation;Normallytheweightmountedonthetopofthecolumnissufficienttoremovethepossiblepresenceofice.
Otherwiseusesimpledenaturedethyl
alcoholintheareaoftheterminal ringsattheendofeach singleextension;ifthe
icepersists,useaheater(max50°)inordertoremovethethickericesheetth atpreventstheclosingoftheextensions
andsubsequentlyprovideforthedischargeofthewaterintroduced
intheformofcondensationofmoisturepresentin
theairoffilling.
Thispracticemusthoweverbeadoptedonaweeklybasis.Thelimitofuseissetattemperaturesbelow‐40°C.
LIGHTINGTOWERUSE
ADJUST
THE
MAST
HEIGHT
LOWER
THE
MAST
Opening
rotation
Manualpump
Condensationwater
exhaustValve