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PowerBoss Nautilus - User Manual

PowerBoss Nautilus
100 pages
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User Manual
Nautilus & Nautilus CE
Rider ScrubberSweeper
Models: Diesel, Gasoline, & LPG
PowerBoss®, Minuteman International, Inc.
A Member of the Hako Group
#988749UM Rev. C 07/15

Table of Contents

Other manuals for PowerBoss Nautilus

Questions and Answers

  • L
    Linda BestSep 5, 2025
    What to do if the squeegee on my PowerBoss Scrubber will not lower?
    • A
      April WrightSep 5, 2025
      If the squeegee on your PowerBoss Scrubber won't lower, check for a loose or defective squeegee switch on the console and reconnect the wiring or replace the switch. Inspect the wires at the foot pedal for looseness and connect them. If the issue persists, the foot pedal switches may need adjustment; re-adjust the cams.
  • A
    Ashley BuchananNov 19, 2025
    How to troubleshoot a PowerBoss Nautilus engine that won't start?
    • J
      Juan BensonNov 19, 2025
      If your PowerBoss Scrubber's engine won't start or runs roughly after starting, several factors could be the reason. First, check if the battery is dead and recharge or replace it if necessary. Ensure the machine has enough fuel by refueling it. Inspect the fuel filter for clogs and clean or replace it. Also, check the fuel line for any breaks or obstructions, and clear it with compressed air if needed. A dirty air filter can also cause this issue, so clean or replace it. Other potential causes include a tank valve not fully opened (open the valve slowly), using an incorrect fuel tank type (use the correct tank), frost on the fuel tank and lines (open shut-off valve slowly to ¼ open, then start), or a defective vacuum lock-off (replace or repair). For problems with spark plugs, ignition po...
  • K
    Katherine BlackSep 18, 2025
    What should I check if the brushes on my PowerBoss Nautilus Scrubber do not turn or turn very slowly?
    • A
      Anthony LinSep 18, 2025
      If the brushes on your PowerBoss Scrubber aren't turning or are turning very slowly, make sure the brush switch is in the on position. Also, ensure the foot pedal is depressed to the forward position.
  • B
    Brandi GomezSep 16, 2025
    What causes my PowerBoss Nautilus® Scrubber to creep in neutral?
    • M
      Michael LawrenceSep 16, 2025
      If your PowerBoss Nautilus® Scrubber creeps in neutral, the directional control pedal or propulsion pump neutral setting is likely out of adjustment. Perform the adjustment procedures.
  • M
    mrobinsonSep 14, 2025
    What could cause hydraulic variable displacement pump failure in my PowerBoss Nautilus Scrubber?
    • D
      Dr. Douglas WellsSep 14, 2025
      Hydraulic variable displacement pump failure in your PowerBoss Scrubber can be due to a leaking pump, in which case you should replace the seals. If the relief valve(s) are stuck, clean or replace them at the pump. A drive coupling malfunction requires replacing the defective gears. An out-of-adjustment control linkage needs adjusting, and you should check for binding. Worn or scored charge pump gears require replacing the defective gears. Damage due to air entering the hydraulic system can also cause failure; maintain the correct hydraulic fluid level in the reservoir and keep suction hose fittings tight.
  • M
    Michelle LeeSep 12, 2025
    What leads to hydraulic gear pump failure in my PowerBoss Nautilus?
    • K
      Kelli JuarezSep 12, 2025
      Hydraulic gear pump failure in your PowerBoss Scrubber can occur if the pump is leaking, in which case you should replace the seals or the pump. A failed drive coupler should be replaced. Worn or scored gears may require rebuilding the pump or replacing it. Check and fill the oil supply if it's low. Replace a clogged oil strainer (inside the reservoir). Ensure you are using the recommended viscosity oil. Damage due to air entering the hydraulic system can also cause failure; maintain the correct hydraulic fluid level in the reservoir and keep suction hose fittings tight.
  • J
    John WilliamsSep 12, 2025
    What causes hydraulic drive motor failure in a PowerBoss Scrubber?
    • A
      april51Sep 12, 2025
      Hydraulic drive motor failure in a PowerBoss Scrubber can be caused by an insufficient oil supply, so fill the reservoir. If the motor is leaking, replace the seals. Other potential causes include a failed drive pump coupler (replace it), a failed key on the motor shaft (replace the key), or a failed drive hub (replace it).
  • J
    jameshardinSep 9, 2025
    What causes hydraulic control valve failure in my PowerBoss Nautilus?
    • M
      Marcus FoxSep 9, 2025
      Hydraulic control valve failure in your PowerBoss Scrubber can stem from a defective solenoid valve, which would need to be replaced. Another potential cause is switch failure, so check for loose or disconnected wires.
  • M
    Mr. Paul Smith DVMSep 7, 2025
    Why won't the squeegee on my PowerBoss Nautilus raise in reverse or by the console switch?
    • T
      thomas45Sep 7, 2025
      If the squeegee on your PowerBoss Scrubber won't raise in reverse or by the console switch, the foot pedal switches may need adjustment, so re-adjust the cams. A defective solenoid valve could also be the cause, requiring replacement of the valve or coil. Additionally, check the fuse to ensure there is power at the valve.
  • S
    Scott CobbAug 22, 2025
    What to do if my PowerBoss Nautilus Scrubber has poor water pick-up?
    • G
      Gabriella ThomasAug 22, 2025
      If your PowerBoss Scrubber isn't picking up water effectively, start by emptying the recovery tank, and if there's excessive foaming, change the detergent. Inspect the squeegee for wear and replace it if needed. Clear any debris caught in the squeegee or pick-up tube. Check the hose from the impeller for leaks or clogs; repair any leaks, clear obstructions, or replace the hose if necessary. Ensure the squeegee is properly adjusted. Verify the engine is operating at high speed by checking the throttle switch position. Finally, inspect the impeller for failure and repair as needed.

Summary

TECHNICAL SPECIFICATIONS

SAFETY INFORMATION

IMPORTANT SAFETY INSTRUCTIONS

General safety rules and warnings for operators.

FOR SAFETY DURING OPERATION

Specific safety precautions to follow while operating the machine.

SAFETY WHEN SERVICING OR MAINTAINING THE MACHINE

Safety procedures for maintenance and servicing activities.

MACHINE OPERATION

OPERATING CONTROLS AND INDICATORS

Description of the instrument panel controls and indicators.

MACHINE OPERATION PROCEDURES

Guides for scrubbing, water pick-up, and basic operation modes.

STARTING AND DRIVING PROCEDURES

Guides for pre-checks, starting, driving, and stopping the machine.

DRAINING;CLEANING THE RECOVERY TANK

EMPTYING;CLEANING THE DEBRIS HOPPER

DRAINING THE SOLUTION TANK

OPERATING PROCEDURES

PRE-OPERATION CHECKS AND STARTING

Essential checks before starting and guide to starting the engine.

TRANSPORTING THE MACHINE

PREVENTATIVE MAINTENANCE

SCHEDULED MAINTENANCE CHART

Chart outlining maintenance tasks by frequency and system area.

TROUBLESHOOTING

WARRANTY

PowerBoss Nautilus Specifications

General IconGeneral
Power SourceBattery
Solution Flow RateAdjustable
Recovery SystemVacuum
Battery Voltage36 V
Scrub Head TypeDisk

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