JB-Lighting Varyscan 3 Special 250MSD User Manual - 4. Maintenance
Varyscan 3 Special 250MSD
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JB-lighting LichtanlagentechnikGmbH Sallersteigweg 15 D-89134 Blaustein Tel.++49-7304-9617-0
3.9 Changing gobos
Unscrew the 8 screws holding the top cover of the Varyscanandremove
it. Thegoboscanbe removedbyloosening thethreescrews.(See
attached drawing)
Forthedesign of custom madegobos,pleasehavea look a t t h e
encloseddrawing.
Imagediameter:
12mm
Mountingholes:
referencediameter 19,5mm
diametersmall 2,1mm
diameterlarge4,1mm
allocation 6x60°
unscrewthesescrews
T h e mounting holes ofthe
otherscrewsislarger.
Leavethosescrewstightened!
Warning: Disconnect fixture from mains, and allow
hot lamp to cool down for at least 30minutes!
4. Maintenance
4.1 Cleaning the fixture
4.2 Cleaning the optics
Warning: Disconnect fixture from mains, and allow
hot lamp to cool down for at least 30minutes!
Warning: Disconnect fixture from mains, and allow
hot lamp to cool down for at least 30minutes!
Regularcleaning ofthefixtureismostimportantto keepagoodperfomanceoveralong
periodoftime.Especiallyremoving dust andgrease from theinsideaswellascleaningthe
fans ensuresreliableperfomanceof the Varyscan.
Open the cover by loosening the screws. Useabrushandavacuumcleanertoremove
dust from the inside. Make sure nottobendordamagethemechanicalandelectorical
parts inside of thefixture.
Incompetendperformaceofthe maintenance will invalidate thewarrany claims. Consult
qualified servicepersonnel.
Foramaximumlightoutputtheopticalsystemhasto becleaned from time totime.
Loosen the screws holding the top cover andremove it.
Removelampbeforecleaningthe optical partsofthefixture.
Useasoftclothandgentlywhipereflector,lenses and colour filters. Youalso may
use a pairoftweezers andaregularglasscleaner.