Recovery System 90Service Manual – SC6500
™
Recovery System
Functional Description
Overview
The recovery system picks up the
scrubbing solution from the squeegee
tool and directs it to the Recovery Tank.
Recovery Tank
The Recovery Tank holds 70 gallons
[265 l] of wastewater and supports the
Vacuum Motor, Recovery Tank Lid and
Top Cover Assembly.
Vacuum Motor
The Vacuum Motor draws air from the
Recovery Tank to create a vacuum in
the tank and at the Squeegee.
The Vacuum Motor switches on
automatically when the scrub system
is enabled and the machine moves
forward. The Vacuum Motor will switch
off after a predetermined time delay
once machine motion stops.
The Vacuum Motor can also be switched on independent of the scrub system by pressing the vacuum/wand
switch. This is used to pick up solution already on the oor, or when using a wand on the Squeegee Hose.
A current sensor monitors the Vacuum Motor current and will display a fault if the Vacuum Motor current
draw is too high.
Squeegee and Squeegee Hose
The wastewater and air enter the vacuum system at the Squeegee tool through small openings (notches)
located in the front Squeegee blade. The small openings are the entrance points for the water and air and
help speed up the airow, producing the suction to lift the wastewater off of the oor. The solution travels
through the Squeegee Hose at high speed and into the Recovery Tank. The airow continues through the
Recovery Tank, vacuum fan inlet screen and Vacuum Motor, then is exhausted out of the Vacuum Hose. No
wastewater ever actually moves through the Vacuum Motor, just the working air.
Vacuum Motor
Vacuum
Hose
Top Cover
Assembly
Float Cage
and Ball
Recovery
Tank Cover
Cover
Gasket
Drain
Hose
Recovery
Tank
Squeegee
Hose
Squeegee
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