61
Speed Scrub 350 9016424 (09-2017)
MAINTENANCE
Problem
Cause
Solution
Trailing water - poor
or no water pickup
Full recovery tank or excessive foam
buildup
Drain recovery tank
Loose drain hose cap
Replace cap
Worn squeegee blades
Rotate or replace squeegee blades
Clogged drip trap (Squeegee
assembly)
Remove cover and clean
Clogged squeegee assembly
Clean squeegee assembly
Loose vacuum hose connection
Secure vacuum hose connection
Clogged vacuum hose
Flush vacuum hose
Damaged vacuum hose
Replace vacuum hose
Clogged
fl
oat shut-off screen in
recovery tank
Clean screen
Recovery tank lid not completely
closed
Check lid for obstructions
Defective seals on recovery tank lid
Replaced seal
Little or no solution
fl
ow
Empty solution tank
Re
fi
ll solution tank
Low solution
fl
ow rate set
Increase solution
fl
ow rate
Clogged solution tank
fi
lter
Clean
fi
lter
Plugged solution supply line
Flush solution supply line
ec-H2O pump does not prime
Restart machine and set
fl
ow rate to
high
Severe Environment
tank does not
dispense detergent
No detergent
Re
fi
ll tank
Faulty
fl
oat switch
Contact service
Defective pump
Contact service
Defective pump potentiometer
Contact service
Faulty control panel
Contact service
Automatic battery
watering tank does
not dispense water
Tank is empty
Re
fi
ll tank
Defective pump
Contact service
Pump not priming
Contact service
Faulty control board
Contact service
Short run time
Low battery charge
Charge batteries
Batteries need maintenance
See BATTERIES
Defective battery or end of battery life Replace batteries
Battery discharge indicator (BDI)
programmed incorrectly
See CHARGING BATTERIES
Faulty charger
Replace battery charger
Brush pressure set too high
Lower brush pressure
