© 2014-2015 Minuteman International, Inc.
Nautilus Hi-Dump Rider Scrubber/Sweeper #988752UM Rev. * 03/16
Page 94
TROUBLESHOOTING
TROUBLESHOOTING CHART
PROBLEM
POSSIBLE CAUSE(S)
SOLUTION(S)
Poor water pick-up
Recovery tank is full.
Empty the tank; if foaming badly,
change detergent.
Squeegee worn.
Replace squeegee.
Debris caught in squeegee or pick-up tube.
Remove debris.
Leak or clog in hose from impeller.
Repair leak, clear obstruction or
replace hose.
Squeegee out of adjustment.
Adjust squeegee.
Engine not operating at high speed.
Check Throttle Switch Position.
Impeller failure.
Check and repair.
Solution not being delivered.
Solution tank is empty.
Fill tank.
Solution fl ow valve not functioning.
Check broom switch & pressure
switches @ main pump.
Delivery lines clogged.
Clear lines.
Fwd/Rev Pedal not depressed.
Press pedal.
Clogged solution fi lter element.
Clean fi lter element.
Solution Bar, discharge holes clogged.
Clean discharge holes.
