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OPERATION
As you vacuum, the red indicator light will
come on and stay on as long as the sensor
detects a high concentration of particles
passing through the cleaner.
The green light indicatesthat most of the
cleaning is complete_
The sensor switch allows you to select the
sensitivity of the dirt sensor_ The switch can
be set to HI (+) or LO (-) sensitivity.
Set the sensor switch to the H1(+) position when:
• Cleaning bare floors,
• Cleaning carpet with low pile heighL
Set the sensor switch tothe LO (-) position when:
• Cleaning heavily soiled areas_
• Cleaning carpet with deep pile.
• Cleaning new carpets.
Even with the
sensor switch in
the LO (-)
position, the dirt
sensor will detect
carpet fuzz,
especially on new
carpet, which
may cause the
red light to remain
on longer than
expected.
Ssrleor
Sensitivity ,_
Swltch_
WARNING
Electrical Shock And Personal Injury
Hazard
Disconnect electrical supply before
servicing or cleaning the unit. Failure
to do so could result in electrical
shock or personal injury from cleaner
suddenly starting.
TO CLEAN DIRT SENSOR OPTICS
The dirt sensor optics consist of two optic
cells located inside the valve assembly.
Occasionally, it may become necessary to
clean the two optic cells to assure maximum
performance Clean optic cells:
, When the red light stays on continuously.
• When the green tight stays on
continuously.
• When dirt or dust adheres to the optic ceils.
• Whenever the dust cup is cleaned.
\9
Hose
Deep Cleaning
Nozzle Hose
Valve
Assembly
Llft Hem
To clean the sensor, remove deep cleaning
nozzle hose at valve assembly by lifting
hose straight up_ Remove extension hose
from the valve assembly by grasping hose
collar, twisting, and pulling straight off.
Lay cleaner back by pressing the handle
release pedal (see Releasing the Handle
page 8)_
With the hoses removed you can insert a
cloth into the valve opening.
Wipe the optic ceils with a soft, dry cloth..
Never use cleaners ___ln
or liquids as they
can help speed the g
recoating of the
optic cells and make_ _Valve
it necessary to clean
them much sooner
than normal°
Return cleaner to the upright position. Re-
attach nozzle hose and extension hose.
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