Advance acoustic 56514925, Service Manual, Page: 35 / 260

General Information 35 Service Manual – Advance 7765 / Nilfisk CR1500
•
Low Solution Warning Light
– lights to indicate that the solution tank is empty.
ESP/Recycle Option Controls and Indicators
•
Recycling System ON/OFF
switch – switches the
optional ESP/Recycling system on and off.
•
High Solution
– lights to indicate that the water
level in the solution tank is too high.
•
Low Detergent
– lights to indicate that the
detergent level in the detergent tank is low.
•
Detergent Flow
– controls the detergent flow
rate. Note that this control is a rheostat (two-
terminal potentiometer) that varies the voltage
to the detergent pump to control the pump
speed/detergent output.
Scrub System Controls
•
Scrub Brush Lift Switch
– controls the scrub deck
and scrub brush motors as follows.
– Pressing the switch to the “lower” position
will lower the scrub deck and
switch on the three scrub brush
motors.
– Pressing the switch to the “raise” position
will raise the scrub deck and
switch off the three scrub brush
motors.
•
Brush Pressure Switch
– controls the scrub deck
pressure as follows. Note this switch will only
function with the
Scrub Brush Lift Switch
in
the “lower” position, and will light when the
“heavy” scrub pressure is selected.
– Pressing the switch to the “single-bar”
position will select the “normal”
scrub pressure.
– Pressing the switch to the “two-bar” position
will select the “heavy” scrub
pressure.
Low Solution
Warning Light
Scrub Brush
Lift Switch
Brush
Pressure
Switch
Brush
Rotation
Switch