Advenger / BR 755, 855 Quick Start Service Manual

Oct 24, 2026

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Technical quick-start service manual for servicing Nilfisk-Advance Advenger / BR 755, 855 and ST machines, defining a 2–3 hour maximum troubleshooting, maintenance, and repair timeframe. Provides structured guidance on basic troubleshooting, general machine description, safety instructions, diagnostic and service tools, and key technical and electrical specifications. Includes system-level repair sections for squeegee, scrub, recovery, solution, wheel drive, and detailed electrical diagnostics, control panel functions, and maintenance schedules.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages106

Reading Time4 h 27 min

AccessFree to download

Introduction

Quick Start Service Manual Purpose

General Safety Instructions

Diagnostic and Service Tools

Transporting The Machine

Emergency Stop Knob

Basic Machine Operation

Main Controller Error Codes

Error Code System Diagnostics

Squeegee System

Scrub System

Recovery System

Solution System

Wheel Drive System

Electrical System

Programming Functions

Maintenance Schedules

Operator Preventive Maintenance

Expanded Electrical System

Advenger™ 2800ST, 3400ST BR 755, BR 855 | | | | --- | --- | | Quick Start Service Manual | | | Advance MODELS:
56601000, 56601001, 56601002,
56601003,56601004, 56601005, 56601006,
56601007, 56601008, 56601009, 56601010, 56601011, 56601012, 56601013, 56601019, 56601020, 56601891, 56601892 | Nilfisk MODELS: 56601014, 56601015, 56601016 | English 9/09 Revised 11/17 FORM NO. 56043121 Contents Introduction ...................................................4 Quick Start Service Manual Purpose 4 General Machine Description 4 Parts and Service 4 Nameplate 4 Cautions and Warnings Symbols 5 General Safety Instructions 5 Related Reference Sources 6 Diagnostic and Service Tools 6 Technical Specifications 7 Technical Specifications 8 Electrical Specifications 8 Transporting The Machine 10 Towing the Machine 11 Jacking Points 12 Emergency Stop Knob 12 Know Your Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Machine Front RH View 13 Machine Rear LH View 14 CONTROL PANEL (Advenger / BR 755, 855 Disc and Cylindrical models) 15 CONTROL PANEL (REV models) 16 CONTROL PANEL (ST Models) 17 Basic Machine Operation 18 Main Controller Error Codes – Advenger / BR 755, 855 and ST 19 Speed Control Error Flash Codes 20 Error Code System Diagnostics – Advenger / BR 755, 855 and ST 21 SQUEEGEE SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Troubleshooting Squeegee Issues 25 Squeegee Adjustments 26 Squeegee Lift Actuator Replacement-Advenger / BR 755, 855 27 Squeegee Lift Actuator Drive Nut Adjustment-Advenger / BR 755, 855 28 Squeegee Lift Cable Replacement-Advenger / BR 755, 855 29 Squeegee Lift Cable Replacement-ST 30 Squeegee Lift Cable Adjustment-ST 31 Steering Column Assembly Shroud Removal 32 SCRUB SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 Troubleshooting Scrub System Issues 37 Scrub Deck Lift Actuator Replacement-Advenger / BR 755, 855 38 Scrub Deck Lift Actuator Drive Nut Adjustment- 39 Scrub DECK REMOVAL-Disc and REV 41 Scrub Brush Motor Removal-DISC 42 Scrub Brush Motor Removal-DISC 43 Motor Plate and isolators (REV) 47 Scrub DECK REMOVAL-Cylindrical 52 Scrub Brush Motor Removal-Cylindrical 53 RECOVERY SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Troubleshooting Recovery System Issues 57 Replacing a Vacuum Motor 58 SOLUTION SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60 Troubleshooting Solution & AXP/EDS System Issues 61 Solution System Diagram 62 Solution System Control 63 Replacing the Solution Solenoid Valve 64 WHEEL DRIVE SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65 Troubleshooting Drive Wheel Issues 66 Replacing the Drive Wheel Assembly 67 Replacing the Drive Tire 69 Inspecting/Replacing the Drive Wheel Assembly Carbon Brushes 71 Replacing the Rear Wheels 72 ELECTRICAL SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 Control board j1, j2, and j3 pin outs and test points 74 Curtis Speed Control Installation Checkout Procedure 79 Replacing the Operator Control Panel 80 Programming Functions ........................................... 82 Service Test Mode-ADVENGER / BR 755, 855 (Disc and Cyl. ) 82 Changing Control Board Program Settings 83 Changing Program Settings-Advenger / BR 755, 855 (Disc and Cyl. )

FAQs

What is the purpose of the Quick Start Service Manual?

It is intended as a technical resource for servicing Advenger / BR 755, 855 or ST machines, enabling basic troubleshooting, maintenance, and repairs within a 2–3 hour maximum timeframe.

When should Nilfisk-Advance Technical Support be contacted?

If the repair requires multiple visits for the same problem or cannot be completed within 3 hours, contact Nilfisk-Advance Technical Support to alert the factory to potential issues or to obtain an acceptable service level.

Which machine systems are covered for troubleshooting and repair?

The manual includes system sections for squeegee, scrub, recovery, solution, wheel drive, and electrical systems, each with troubleshooting and component replacement guidance.

Oct 24, 2026

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