OPERATION
35
EZ Rider 330730 (9--00)
MACHINE TROUBLESHOOTING
Problem
Cause
Remedy
Trailing water -- poor or no water
pickup
Worn squeegee blades
Rotate or replace squeegee
blades
Squeegee out of adjustment
Adjust squeegee
Vacuum hose clogged
Flush vacuum hoses
Vacuum fan inlet filter dirty
Clean inlet filter
Debris caught on squeegee
Remove debris
Vacuum hose to squeegee or
recovery tank disconnected or
damaged
Reconnect or replace vacuum
hose
Tank cover not completely closed Check for obstructions
Torn seals on recovery tank
Replace seals
Vacuum fan will not turn on
Recovery tank full
Drain recovery tank
Foam filling recovery tank
Empty recovery tank
g
y
Use less or change detergent
Use a defoamer
Vacuum fan circuit breaker
tripped
Reset circuit breaker
Little or no solution flow to the
floor
Solution tank empty
Fill solution tank
Solution control rod broken or out
of adjustment
Replace and/or adjust rod
Solution flow turned off
Turn solution flow on
Solution supply lines plugged
Flush solution supply lines
Solution solenoid clogged or
stuck
Clean or replace
Poor scrubbing performance
Debris caught on scrub brushes
Remove debris
Improper detergent or brush
used
Check with TENNANT
representative for advice
Worn scrub brush(es)
Replace scrub brush(es)
Scrub brush motor circuit
breaker(s) tripped
Reset circuit breaker(s)
Reduce scrub brush down
pressure
Uneven brush pressure, level
scrub head
Broken brush drive belts on
cylindrical scrub head, replace
belt
Check with TENNANT
representative for advice
Low battery charge
Charge batteries until the charger
automatically turns off
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