20
Replacing the circuit board
2.Removebottlefromsupport.
3.LaydowntheBVCasshown.
4.Unscrewscrewsatthebaseplate.
1.DependingonBVCversion,remove
connectiontubingatthehosenozzleor
detachquickcoupling.
5.Slidethebaseplatetotheside.Itis
notnecessarytodisconnecttheearth
cables.