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1-60 AMERICAN-LINCOLN
SMART
TROUBLESHOOTING
PROBLEM
PROBABLE CAUSE
REMEDY
Poor scrubbing action
Water splashes from sides
of scrub deck
Poor sweeping
Sweep does not
function
Poor dust control at main
broom
Hopper will not lift
1. Worn scrubbing brushes
2. Incorrect method of operation
3. Wrong cleaning agent or mixture
4. Poor solution distribution
5. Brushes won’t turn
1. Scrub deck bumpers, poor contact with floor
2. Squeegee blades word or damaged
3. Too much solution
1. Broom jammed
2. Hopper full
3. Broom not adjusted properly
4. Worn or damaged flaps
5. Worn broom
1. Hopper is raised
2. Hopper switch out of adjustment
1. Broom chamber & hopper flaps worn
2. Impellor fan failure - shaft key broken or
electric motor not operating
3. Filter plugged
1. Load too heavy
2. Defective lift actuator
1. Inspect brushes. Replace if brushes are
worn to 3/4” or less.
2. Check scrubbing procedure, brush
pressure, solution flow & cleaning agent
used - all are important to the process
3. Use A-L recommended materials
4. Check solution strainer & feed hoses for
obstructions - clean if necessary.
Check valve & rest of solution control
system for proper operation.
5. Check wiring connections
1. Readjust blades for proper contact
2. Replace & adjust
3. Shut off solution flow 5-10 ft. before
making turns
1. Remove any obstruction
2. Empty
3. Refer to broom adjustment in
maintenance section
4.
1. Lower hopper
2. Adjust hopper switch
1. Check condition of flaps. Replace torn or
badly worn flaps. Side flaps can be
adjusted of not damaged.
2. Check & repair
3. Engage shaker switch or check filter
1. Low dump partial load
2. Repair or replace actuator
Inspect for damage - replace or adjust
by referring to maintenance section
5. Inspect for damage or wear - refer to
maintenance section