Maintenance
62 Z33081_00_001
9.2.6 ReplaceCryostatVacuumGaugeFuse
Figure9.5:VacuumGaugeFuse
Thevacuumgaugeisprotectedbyafuse(F4)locatedontheconnectingblockbesidethe
systemgreenelectronicmodules.
1. Turnoffthegenerator.
2. Pullopenthefuseholder.
9.3 SpareParts
Partnumber Description Comments
2257 Fuse5x20mm4AT/250V. Powerlinefuse.
1808869 Fuse5x20mm10.0AT/250V. Cryocoolercontrollerfuse.
2271 Fuse5x20mm1AF/250V. Vacuumgaugefuse(F4).
1802701 Hydrogengaspurifiercartridge. Removescontaminantsfrom
inletH
2
gas(moisture,oxygen,
etc…).
Table9.1:SpareParts