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HAKO PowerBoss Nautilus - User Manual

HAKO PowerBoss Nautilus
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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. K 04/21
PowerBoss
®
The Power of Clean

Table of Contents

Questions and Answers

  • C
    Cheyenne MyersSep 5, 2025
    Why won't the squeegee lower on my HAKO PowerBoss Nautilus?
    • K
      Katie BushSep 5, 2025
      If the squeegee on your HAKO Scrubber will not lower, it could be due to a loose or defective squeegee switch on the console, requiring you to reconnect the wiring or replace the switch. Check for loose wires at the foot pedal and connect them. The foot pedal switches might need adjustment, so readjust the cams.
  • R
    Ralph AustinNov 20, 2025
    How to troubleshoot engine start problems in HAKO Scrubber?
    • M
      Michael CisnerosNov 20, 2025
      If the engine of your HAKO Scrubber won't start or runs roughly after starting, several issues could be the cause. The battery might be dead, requiring a recharge or replacement. The machine could be out of fuel and needs refueling, or the fuel filter might be plugged, needing cleaning or replacement. A broken or obstructed fuel line should be blown out with compressed air. Additionally, a dirty air filter should be cleaned or replaced. Other potential issues include problems with the spark plugs, ignition points, ignition coil ignition switch, carburetor, regulator, or wiring harness, which require reviewing the engine manual for maintenance and troubleshooting. The tank valve might not be fully opened and should be opened slowly. Ensure the fuel tank type matches the fuel supply and that...
  • C
    Colleen MooneySep 18, 2025
    Why don't the brushes turn on my HAKO PowerBoss Nautilus?
    • R
      Robert ParkerSep 18, 2025
      If the brushes on your HAKO Scrubber do not turn or turn very slowly, ensure the brush switch is in the on position. Also, make sure the foot pedal is depressed to the forward position.
  • G
    George ColeSep 16, 2025
    What causes hydraulic variable displacement pump failure in HAKO Scrubber?
    • B
      Belinda GrimesSep 16, 2025
      If the hydraulic variable displacement pump fails on your HAKO Scrubber, it could be due to the pump leaking, requiring you to replace the seals. Clean or replace the relief valve(s) at the pump if they are stuck. Replace defective gears if there is a drive coupling malfunction or if the charge pump gears are worn or scored. Adjust the control linkage and check for binding if the control linkage is out of adjustment. Maintain the correct hydraulic fluid level in the reservoir and keep suction hose fittings tight to prevent damage due to air entering the hydraulic system.
  • S
    Sherri JohnsonSep 14, 2025
    What causes hydraulic gear pump failure in HAKO PowerBoss Nautilus?
    • S
      Stephen HolmesSep 14, 2025
      If the hydraulic gear pump fails on your HAKO Scrubber, it could be due to pump leaking, which requires replacing the seals or RR pump. Replace the drive coupler if it has failed. If the gears are worn or scored, rebuild the pump or replace it with an RR pump. Check and fill the oil supply if it is low. Replace the strainer inside the reservoir if the oil strainer is clogged. Use the recommended viscosity oil if the oil is incorrect. Maintain the correct hydraulic fluid level in the reservoir and keep suction hose fittings tight to prevent damage due to air entering the hydraulic system.
  • E
    ericahigginsSep 12, 2025
    What causes hydraulic drive motor failure in HAKO PowerBoss Nautilus?
    • C
      Christine SullivanSep 13, 2025
      If the hydraulic drive motor fails on your HAKO Scrubber, it could be due to an insufficient oil supply, requiring you to fill the reservoir. If the motor is leaking, replace the seals. If the drive pump coupler or the key on the motor shaft has failed, replace them. Also, replace the drive hub if it has failed.
  • S
    sophia16Sep 12, 2025
    What causes hydraulic control valve failure in HAKO Scrubber?
    • S
      Shane AllenSep 12, 2025
      If the hydraulic control valve fails on your HAKO Scrubber, it could be due to a defective solenoid valve, which would need replacement of the solenoid valve or coil. Also, check for loose or disconnected wires if there is a switch failure.
  • P
    Phillip KingSep 9, 2025
    Why does HAKO Nautilus® Scrubber creep in neutral?
    • R
      Rebecca KruegerSep 9, 2025
      If the HAKO Nautilus® machine creeps in neutral, the directional control pedal or propulsion pump neutral setting is likely out of adjustment. Perform the adjustment procedures to correct this.
  • M
    morgan22Sep 7, 2025
    Why squeegee will not raise in reverse on HAKO Scrubber?
    • J
      Joshua BishopSep 7, 2025
      If the squeegee on your HAKO Scrubber will not raise in reverse or by the console switch, the foot pedal switches may need adjustment by readjusting the cams. A defective solenoid valve may need replacement of the valve or coil. Check the fuse if there is no power at the valve.
  • L
    Lisa WilliamsAug 22, 2025
    Why is my HAKO PowerBoss Nautilus Scrubber engine overheating?
    • K
      Katherine LoganAug 22, 2025
      If your HAKO Scrubber's engine overheats, it could be due to several reasons. The coolant level might be low, so you should supply coolant. The fan blade could be installed incorrectly and needs reinstalling as a pusher type fan. A clogged radiator should be flushed. A loose fan belt needs tightening, or the thermostat might be defective and requires replacement.

Summary

Technical Specifications

General Machine Specifications

Detailed dimensions and weights for the machine.

Scrubbing System

Specifications related to the scrubbing functions.

Instrument Panel Control Switches

Green One-Touch Switch

Activates the entire scrubbing function with one button.

Squeegee Switch

Controls the squeegee and vacuum fan operations.

Scrub Brush Switch

Controls the main scrub brush operations.

Side Scrub Brush Switch - Option

Activates the optional side scrub brush.

Main Brush Scrub Pressure Knob

Adjusts the down pressure of the main scrub brushes.

Side Brush Scrub Pressure

Adjusts the pressure of the optional side scrub brush.

Solution Control Knob

Selects the solution flow rate for scrubbing.

Basic Scrubbing;Filling;Emptying Information

Choosing the Correct Type of Brush

Guide to selecting the appropriate brush for the cleaning task.

Filling the Solution Tank

Filling the Solution Tank Using the Auto-Fill Option

Procedure for using the automatic filling system for the solution tank.

Normal Scrubbing

Stop Scrubbing

Water Pick Up Mode (Squeegee Only)

Stop Water Pick Up

Procedure for stopping water pick-up mode.

Draining;Cleaning the Recovery Tank

Emptying;Cleaning the Debris Hopper

Draining the Solution Tank

Operating Procedures

Pre-Operation Checks

Essential checks before starting the machine's engine.

Starting

Detailed steps for starting the machine's engine.

Driving

Stop the Machine

Procedure for safely stopping the entire machine.

Transporting the Machine

Pushing or Towing the Machine

Specific instructions for pushing or towing the machine.

Options

Chemical Metering

How to use the chemical metering system for dispensing detergent.

Auto-Fill

Neutral Start Sensor (CE)

Safety feature preventing starting in gear.

Operator Seat Sensor (CE)

Safety feature shutting off engine if operator leaves seat.

Key Locked Entry Doors (CE)

Optional security feature for machine access panels.

Spray and Vacuum Wand

Pressure Wash Option

Heated Solution System

Dry Sweep

How to operate the dry sweep function.

Suspension Seat

Side Scrub Brush

Side Scrub Broom

Operation of the side scrub broom.

Seat Belts

Lights

Description of safety light options and operation.

Preventative Maintenance

Scheduled Maintenance Chart

Table outlining maintenance tasks based on operating hours.

Engine

Maintenance requirements and service instructions for the engine.

Air Intake System

Procedures for checking and removing the air filter.

Electrical System

Guidelines for battery cleaning and replacement.

Circuit Breaker

Procedure for resetting the circuit breaker.

Fuses

Location and identification of fuses.

Fuel System

Safety precautions and procedures for the fuel system.

Coolant System

Procedures for flushing and maintaining the coolant system.

Lubrication

Guidelines for engine oil type and changing oil.

Lubrication Points

Specific locations for machine lubrication.

Latches & Hinges

Lubrication schedule for latches and hinges.

Static Strap

Information on the static strap and its replacement.

Hydraulic System

Overview of the machine's hydraulic system.

Hydraulic Fluid Reservoir

Location and maintenance of the hydraulic fluid reservoir.

Hydraulic Fluid Viscosity Specifications

Specifications for the recommended hydraulic fluid.

Changing the Hydraulic Fluid

Step-by-step instructions for changing hydraulic fluid.

Hydraulic Fluid Filter

How to monitor and replace the hydraulic fluid filter.

Maintaining Hydraulic Oil Cooler Efficiency

Tips for keeping the hydraulic oil cooler efficient.

Scrubbing Components

Information about the machine's scrubbing components.

Replace or Rotate the Cylindrical Scrub Brushes

Instructions for replacing or rotating the main scrub brushes.

Checking the Scrub Brush Pattern

Procedure to test and inspect the scrub brush pattern on the floor.

Adjusting the Scrub Brush Pattern (Taper)

How to adjust the brush pattern for tapered edges.

Adjusting the Scrub Brush Pattern (Equal width)

How to adjust brush patterns for equal width.

Side Scrub Brush (Option)

Information on the optional side scrub brush.

Replacing the Side Scrub Brush

Instructions for replacing the side scrub brush.

Squeegees

Description of squeegee operation and adjustment.

Lowering Squeegee for Adjustment (engine off)

Steps to lower the squeegee for maintenance.

Checking the Rear Squeegee Blade Flare

Procedure to check the squeegee blade's curl.

Adjusting the Rear Squeegee Blade Flare

How to adjust the squeegee blade's curl for optimal water pick-up.

Leveling the Rear Squeegee

Procedure to ensure the rear squeegee is level.

Turning or Replacing the Rear Squeegee Blades

Instructions for turning over or replacing the rear squeegee blades.

Side Squeegees

Operation and replacement of side squeegee blades.

Replacing Side Squeegee Blades

Steps for replacing the side squeegee blades.

Side Scrub Brush Squeegee (Option)

Operation and replacement of the side scrub brush squeegee.

Replacing Side Scrub Brush Squeegee Blade

Instructions for replacing the side scrub brush squeegee blade.

Skirts and Seals

Inspection of skirts and seals for wear or damage.

Scrub Deck Front Skirt

Checking the front skirt for wear.

Scrub Deck Rear Skirt

Checking the rear skirt for wear.

Hopper Vacuum Seal

Inspection of the hopper vacuum seal.

Cover Seals

Inspection of seals on tank covers.

Brakes

Information on service and parking brakes.

Adjusting the Brake System

Procedure for adjusting the brake system cable length.

Tires

Information on tires and how to change them.

Changing Solid Tires

Steps for changing the machine's solid tires.

Sensing Switches

Information on various sensing switches.

Adjusting the Neutral Sensing Switch

Procedure to adjust the neutral sensing switch.

Adjusting the Nautilus Reverse Sensing Switch

Procedure to adjust the reverse sensing switch.

Covers

Information on removable covers for access.

Seat Mount Adjustment

Instructions for adjusting the seat mount.

Solution Delivery Bar & Filter System

Maintenance of the solution delivery bar and filter.

Solution Delivery Bar

Inspection and cleaning of the solution delivery bar.

Solution Filter

Inspection and cleaning of the solution filter.

CE Declaration of Conformity

HAKO PowerBoss Nautilus Specifications

General IconGeneral
BrandHAKO
ModelPowerBoss Nautilus
CategoryScrubber
LanguageEnglish

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