Nilfisk-Advance Hydro-Retriever 2800 BR700 User Manual

10/99 revised 2/05 Form Number 56043055
Hydro-Retriever
™
2800
BR 700 / BR 700C
SERVICE MANUAL
Advance MODELS 56412002(2800), 56412003(2800C)
Nilfisk MODELS 56412000(BR 700), 56412001(BR 700C)

Nilfisk-Advance Hydro-Retriever 2800 BR700 Specifications

General

Model	Hydro-Retriever 2800 BR700
Category	Floor Machine
Cleaning path	28 inches
Brush Width	28 inches
Power source	Battery
Battery Voltage	36V
Voltage	36V
Drive Speed	3.5 mph
Working Width	28 in (71 cm)

Summary

General Information

Transporting the Machine

Guidance on securing the machine for transport on open trucks or trailers.

Towing

Safety precautions and limitations for towing the machine.

Other Manuals Available for Your Machine

List of available manuals for the HR 2800 / BR 700 models.

Cautions and Warnings

Symbols

Explanation of danger, warning, and caution symbols used in the manual.

General Safety Instructions

Essential safety guidelines for operating and maintaining the machine.

Specifications

General Specifications

Key technical specifications for the Hydro-Retriever 2800 / BR 700.

Maintenance

Maintenance Schedule

Recommended maintenance intervals for daily, weekly, monthly, and yearly tasks.

Batteries and Chargers

Information regarding battery specifications and charger requirements.

Lubricating the Machine

Guidelines for lubricating grease fittings and machine parts.

PM Checklist

Operational Inspection Items

Checklist for operational aspects of the machine.

Visual Inspection Items

Checklist for visual inspection of machine components.

Know Your Machine

Functional Description of Control Buttons

Explanation of the function and operation of various control buttons.

Description of Indicators on the Control Panel

Details on the meaning and behavior of control panel indicators.

Description of the Battery Condition Indicators

Explanation of indicators showing the state of battery charge.

Description of Hourmeter / Status Display

Information on the hourmeter and status display functions.

Steering System

Steering Chain Removal and Tensioning

Procedure for removing and adjusting the steering chain tension.

Wheel Drive System

Wheel Drive Motor Assembly Removal

Steps to remove the wheel drive motor assembly from the machine.

Drive Tire Removal

Procedure for removing the drive tire from the wheel motor.

Wheel Drive Motor Carbon Brush Inspection

Instructions for inspecting carbon brushes on the drive motor.

Brake Adjustment

Procedure for adjusting the machine's brakes.

Brake Pad Replacement

Steps for replacing the brake pads.

Potentiometer Removal and Testing

Procedure for removing and testing the drive pedal potentiometer.

Potentiometer Installation and Adjustment

Steps for installing and adjusting the potentiometer.

Drive Pedal Neutral Adjustment

Procedure to set the neutral position for the drive pedal.

Scrub Brush System

Scrub Brush Deck Removal (Disc)

Instructions for removing the scrub brush deck for disc brush units.

Scrub Brush Motor Removal (Disc)

Procedure to remove the motor from the disc scrub brush assembly.

Scrub Brush Gearbox Removal

Steps for removing the gearbox from the scrub brush assembly.

Scrub Brush Gearbox Replacement

Procedure for replacing a disc scrub drive gearbox.

Scrub Brush Skirt Replacement

Instructions for replacing the side skirts on the scrub brush deck.

Scrub Brush Lift Actuator Removal

Procedure for removing the scrub brush lift actuator motor.

Scrub Brush System (Cylindrical)

Scrub Brush System Maintenance

Routine maintenance tasks for the cylindrical scrub brush system.

Scrub Brush Removal and Installation

Steps for removing and installing cylindrical scrub brushes.

Scrub Brush Deck Assembly Removal

Instructions for removing the cylindrical scrub brush deck assembly.

Scrub Brush Deck Leveling Adjustment

Procedure for adjusting the deck level for cylindrical brushes.

Scrub Brush Motor Removal

Steps for removing the motor from the cylindrical scrub brush.

Scrub Brush Belt Replacement

Procedure for replacing the drive belt on cylindrical brush units.

Side Skirt Maintenance

General maintenance overview for side skirts on cylindrical units.

Solution System

Solution Solenoid Valve Removal

Procedure for removing the solution solenoid valve.

Solution Filter and Flow Control Valve Assembly Removal

Steps to remove the solution filter and flow control valve.

Solution System Troubleshooting

Troubleshooting guide for common solution flow problems.

Solution System Maintenance

Routine maintenance tasks for the solution system.

Recovery System

Recovery Tank Removal

Procedure for removing the recovery tank.

Vacuum Motor Removal

Steps for removing the vacuum motor.

Vacuum / Recovery System Service Maintenance Checklist

Checklist for servicing vacuum and recovery system components.

Troubleshooting Guide

Guide for troubleshooting poor water pick-up and vacuum motor issues.

Squeegee System

Squeegee Lift Actuator Motor Removal

Procedure for removing the squeegee lift actuator motor.

Squeegee Tool Blade Replacement

Instructions for reversing or replacing squeegee blades.

Squeegee Adjustment

Steps for adjusting squeegee angle and blade height.

Electrical System

Battery Specifications

Details on battery pack capacity and compartment size.

Battery Charger Specifications

Recommendations for selecting a 24 Volt DC battery charger.

Install the Batteries

Step-by-step guide for installing the 24V battery system.

Description of the Battery Condition Indicators

Explanation of battery charge indicators on the control panel.

Charging the Batteries

Procedure for charging the machine's batteries.

Battery Maintenance

Simple rules for maintaining battery electrolyte level and charge.

Battery Testing

Methods for testing batteries to find dead cells.

Actuator Drive Nut Adjustment

Adjusting drive nut settings for lift actuator motors.

Instructions for Scrub Brush Lift Actuator Drive Nut Adjustment

Specific steps for adjusting scrub brush lift actuator drive nuts.

Curtis Controller

Information on the Curtis speed controller for the wheel drive system.

Function of the Speed Controller Status Light and Display

Explanation of speed controller fault codes and indicators.

Status LED Fault Codes

Table detailing status LED fault codes and possible causes.

Functional Overview of Main Control Board

Explanation of the main control board's functions and systems.

Troubleshooting Guide

General guide for troubleshooting main control board detected errors.

Main Controller Error Codes

List and troubleshooting actions for main controller error codes.

Main Control Board Special Program Options for Machines Before Serial Number 1362502

Programmable options for machines manufactured before SN 1362502.

Recall of Stored Error (Fault) Codes

Procedure to recall and review stored error codes.

Enabling or Disabling the Vacuum Automatic Shutoff Option

How to enable or disable the automatic vacuum shutoff feature.

Enabling or Disabling Solution Flow While in Reverse

How to enable or disable solution flow when the machine is in reverse.

Vacuum Off When Scrub Off Switch Pressed Option

Option to shut off vacuum when the scrub system is turned off.

Ramp Mode Feature

Enabling and selecting the ramp mode for inclined surface operation.

Enabling or Disabling Fault Detection

How to enable or disable system fault detection checks.

Brush Type Selection

Configuring the control unit for disc or cylindrical brush types.

Back-Up Alarm Volume Control

Procedure to adjust the volume of the back-up alarm.

Main Control Board Special Program Options for Machines After Serial Number 1362501

Programmable options for machines manufactured after SN 1362501.

Scrub Mode Description

Overview of programmable scrub mode pressure settings.

Scrub Mode Operation (Adjustable)

Operation of scrub modes with adjustable pressure settings.

Scrub Mode Operation (Fixed)

Operation of scrub modes with fixed pressure settings.

Scrub Mode Programming for User Adjustable Scrub Pressure

Programming user adjustable scrub pressure for normal and heavy modes.

Scrub Mode Programming for Fixed (Non-Adjustable) Scrub Pressure

Programming fixed scrub pressure for normal and heavy modes.

Restoring the Scrub Modes and Pressures to Factory Default Settings

Procedure to reset scrub modes and pressures to factory defaults.

Selection of Low Voltage Cutout Threshold

Setting the low voltage cutout threshold for battery protection.

Recall of Stored Error (Fault) Codes

Procedure to recall and review stored error codes.

Enabling or Disabling the Vacuum Automatic Shutoff Option

How to enable or disable the automatic vacuum shutoff feature.

Enabling or Disabling Solution Flow While in Reverse

How to enable or disable solution flow when the machine is in reverse.

Vacuum Off When Scrub Off Switch Pressed Option

Option to shut off vacuum when the scrub system is turned off.

Enabling or Disabling Fault Detection

How to enable or disable system fault detection checks.

Brush Type Selection

Configuring the control unit for disc or cylindrical brush types.

Ramp Mode Feature

Enabling and selecting the ramp mode for inclined surface operation.

Back-Up Alarm Volume Control

Procedure to adjust the volume of the back-up alarm.

Service Test Mode for Machines After Serial Number 1362501

Procedure to enter service test mode for diagnostics.

Input Indicators

Explanation of input indicators in service test mode.

Status Display

Function of the status display in service test mode.

Output Controls

List of controls and their functions in service test mode.

Component Location

Diagram showing the location of electrical system components.