Owner's manual
Rev 15.0/1-14 2 FL4HV11AC: #35030
VACUUM PAD MAINTENANCE ...................................................................................................... 17
Friction Coefficient .....................................................................................................................................17
Inspection .................................................................................................................................................17
Cleaning ....................................................................................................................................................17
VACUUM TEST ......................................................................................................................... 18
AIR FILTER MAINTENANCE − LARGE ........................................................................................... 19
Filter Function and Conditions Requiring Service ..........................................................................................19
Filter Service Procedures ............................................................................................................................19
VACUUM PUMP MAINTENANCE − GAST DAA-V505-GB/D ............................................................. 20
Replacing a Diaphragm ..............................................................................................................................20
Replacing a Head Gasket and a Set of Filter Elements ..................................................................................20
Replacing a Set of Leaf Valves ....................................................................................................................20
VACUUM SWITCH ADJUSTMENT .................................................................................................. 21
Vacuum Switch Function ............................................................................................................................21
Conditions Requiring Readjustment .............................................................................................................21
Adjustment Procedure ................................................................................................................................21
REPLACEMENT PARTS LIST .......................................................................................... 22
LIMITED WARRANTY .................................................................................................... 23