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HAKO PowerBoss PB45LP - User Manual

HAKO PowerBoss PB45LP
104 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. K 04/21
PowerBoss
®
The Power of Clean

Table of Contents

Questions and Answers

  • R
    ruth73Sep 5, 2025
    Why won't the squeegee lower on my HAKO PowerBoss PB45LP?
    • S
      simmonskatieSep 6, 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.
  • D
    Dawn JordanNov 20, 2025
    How to troubleshoot engine start problems in HAKO Scrubber?
    • P
      Paul HartmanNov 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...
  • L
    lfowlerSep 18, 2025
    Why don't the brushes turn on my HAKO Scrubber?
    • C
      crystal11Sep 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.
  • D
    Dr. Cynthia SnyderSep 16, 2025
    What causes hydraulic variable displacement pump failure in HAKO Scrubber?
    • K
      Kenneth CortezSep 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.
  • A
    Amy MossSep 14, 2025
    What causes hydraulic gear pump failure in HAKO Scrubber?
    • C
      Cheryl YangSep 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.
  • C
    Christopher WoodSep 12, 2025
    What causes hydraulic drive motor failure in HAKO PowerBoss PB45LP?
    • K
      Kathy RobbinsSep 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.
  • T
    Timothy LloydSep 12, 2025
    What causes hydraulic control valve failure in HAKO Scrubber?
    • A
      Amy PriceSep 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.
  • A
    Amy PenningtonSep 9, 2025
    Why does HAKO Nautilus® Scrubber creep in neutral?
    • J
      John RandolphSep 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.
  • P
    Patricia RobinsonSep 7, 2025
    Why squeegee will not raise in reverse on HAKO Scrubber?
    • B
      Bradley WilliamsSep 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.
  • M
    Melissa MendozaAug 22, 2025
    Why is my HAKO PowerBoss PB45LP Scrubber engine overheating?
    • S
      Stephanie BradshawAug 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

Details dimensions, weight, speed, and climb angles of the machine.

Scrubbing System

Details cleaning path, brush size, speed, force, and tank capacities.

Instrument Panel Control Switches

Green “One-Touch” Switch

Activates the entire scrubbing function with a single button press.

Basic Scrubbing;Filling;Emptying Information

Choosing the Correct Type of Brush

Describes different types of brushes for various scrubbing applications.

Filling the Solution Tank

Instructions on how to fill the machine's solution tank with water and detergent.

Safety Information

Important Safety Instructions

Essential guidelines for operating and maintaining the machine safely.

For Safety During Operation

Precautions for safe operation, including clear of moving parts and hazardous areas.

Safety When Servicing or Maintaining the Machine

Safety Symbols

Explains the meaning of various safety symbols used in the manual.

Safety Decals

Basic PowerBoss Safety

Warning Before Starting the Engine

Critical checks required before starting the engine for safe operation.

Warning During Operation

Key safety practices to follow while the machine is in operation.

Machine Operation

Directional Control Pedal

Brake; Parking Brake

Green “One-Touch” Switch

Normal Scrubbing

Double Scrubbing

Operating Procedures

Pre-Operation Checks

Essential checks before starting the engine to ensure safe operation.

Starting

Step-by-step instructions for starting the machine's engine.

Driving

Preventative Maintenance

A Scheduled Maintenance Chart

Reference to the chart detailing maintenance tasks and frequencies.

Preventative Maintenance Instructions for Required Scheduled Maintenance Tasks

Instructions for performing scheduled maintenance tasks.

Scheduled Maintenance Chart

Preventative Maintenance Instructions

Adjusting the Propulsion Pump Neutral Setting

Replace or Rotate the Cylindrical Scrub Brushes

Checking the Scrub Brush Pattern

Adjusting the Scrub Brush Pattern (Taper)

Adjusting the Scrub Brush Pattern (Equal width)

Squeegees

Checking the Rear Squeegee Blade Flare

How to check for correct squeegee blade flare for optimal water pick-up.

Adjusting the Rear Squeegee Blade Flare

Leveling the Rear Squeegee

Turning or Replacing the Rear Squeegee Blades

Brakes

Adjusting the Brake System

Procedure to adjust brake cable length for proper pedal play.

Sensing Switches

Adjusting the Neutral Sensing Switch

Adjusts switch to shut off brushes/solution when machine is not moving.

Adjusting the Nautilus Reverse Sensing Switch

Troubleshooting

Engine will not start or runs roughly after start.

Lists possible causes and solutions for engine starting or running issues.

Troubleshooting Chart

Engine overheats.

Possible causes and solutions for engine overheating.

Nautilus machine creeps in neutral.

Troubleshooting steps for machine creeping in neutral.

Poor water pick-up

Causes and solutions for inadequate water pick-up.

Scrubber unit not cleaning the floor.

Solutions for when the scrubber is not cleaning effectively.

Hydraulic control valve failure

Causes and solutions for hydraulic control valve issues.

Hydraulic variable displacement pump failure.

Troubleshooting for issues with the hydraulic variable displacement pump.

Nautilus machine moves slowly or does not move.

Troubleshooting for slow or non-moving machine issues.

Brushes do not turn or turn very slowly.

Solutions for brush rotation issues.

Solution not being delivered.

Troubleshooting for issues with solution delivery.

Squeegee will not lower.

Troubleshooting for a squeegee that fails to lower.

Hydraulic drive motor failure.

Troubleshooting for hydraulic drive motor problems.

Hydraulic system noisy.

Causes and solutions for noisy hydraulic systems.

Scrub head will not lower.

Troubleshooting for a scrub head that fails to lower.

Squeegee will not raise in reverse or by console switch.

Solutions for squeegee raising issues.

Hydraulic gear pump failure.

Solutions for hydraulic gear pump failures.

Scrubber leaving debris.

Troubleshooting for the machine leaving debris behind.

HAKO PowerBoss PB45LP Specifications

General IconGeneral
ModelPB45LP
CategoryScrubber
Power SourceBattery
Battery Voltage24 V
TypeWalk-behind
Cleaning Width18 in (450 mm)
Brush Motor0.55 kW
Max Speed5 km/h
Cleaning Path18 in (450 mm)
Brush Width18 in (450 mm)

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