Nilfisk-ALTO Scrubtec 337.2 (Vantage - 14) Service Manual

Nilfisk-ALTO Scrubtec 337.2 (Vantage - 14) Service Manual Manual pdf 30 page image

Recovery System30Service Manual – Scrubtec 337.2 / Vantage 14Recovery SystemFunctional DescriptionThe water recovery system removes the dirty water from the floor and pipes it to a recovery tank. When themachine is running, the dirty water on the floor is collected by the squeegee blades and collected through theslots in the same, piped through the vacuum hose and into the tank by the airflow created by vacuum motor(M2). The dirty water is piped into the recovery tank, while the airflow continues to the vacuum fan.The vacuum system motor (M2) is supplied by the vacuum system motor relay (K2) which is driven by theprogram selection knob/rotary switch (SW1) when it is turned to 1 or 3. The circuit is protected by the vacuumsystem motor fuse (F2)The automatic float in the vacuum grid stops vacuum system motor (M2) from collecting any liquids.When the automatic float closes and shuts down the vacuum system, the vacuum system motor noise will in-crease and the floor will not be dried.When the recovery tank is full it must be emptiedWiring DiagramBATTERY CHARGER (CH)VACUUM SYSTEMMOTOR FUSE (F2)FUNCTIONSELECTOR FUSE (F3)VACUUM SYSTEMMOTOR RELAY (K2)VACUUM SYSTEMMOTOR RELAY (K2)VACUUM SYSTEMMOTOR (M2)PROGRAM SELECTIONKNOB/ROTARY SWITCH (SW1)P100786