Nilfisk-Advance Advenger 2800ST Quick Start Service Manual
  1. Manuals
  2. Brands
  3. Nilfisk-Advance Manuals
  4. Floor Machine
  5. Advenger BR 855
  6. Quick start service manual

Nilfisk-Advance Advenger 2800ST Quick Start Service Manual

Hide thumbs Also See for Advenger 2800ST:
Table of Contents

Advertisement

Quick Links

See also: Instructions for Use Manual
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
9/09 Revised 11/13 FORM NO. 56043121
English

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Advenger 2800ST and is the answer not in the manual?

Questions and answers

Related Manuals for Nilfisk-Advance Advenger 2800ST

Summary of Contents for Nilfisk-Advance Advenger 2800ST

  • Page 1 Advenger™ 2800ST, 3400ST BR 755, BR 855 Quick Start Service Manual Advance MODELS: Nilfisk MODELS: 56601014, 56601015, 56601000, 56601001, 56601002, 56601016 56601003,56601004, 56601005, 56601006, 56601007, 56601008, 56601009, 56601010, 56601011, 56601012, 56601013, 56601019, 56601020, 56601891, 56601892 English 9/09 Revised 11/13 FORM NO. 56043121...

  • Page 2: Table Of Contents

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Contents Contents Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 Quick Start Service Manual Purpose General Machine Description Parts and Service...
  • Page 3 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Contents RECOVERY SYSTEM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Troubleshooting Recovery System Issues Replacing a Vacuum Motor SOLUTION SYSTEM .

  • Page 4: Introduction

    Quick Start Service Manual Purpose This manual is a technical resource that Nilfisk-Advance expects to be utilized while an Advenger / BR 755, 855 or ST is being serviced. It contains information deemed necessary to provide basic troubleshooting, maintenance, and repairs within a timeframe of 2-3 hours maximum.

  • Page 5: Cautions And Warnings Symbols

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Introduction Cautions and Warnings Symbols Advance uses the symbols below to signal potentially dangerous conditions. Always read this information carefully and take the necessary steps to protect personnel and property. DANGER! Is used to warn of immediate hazards that will cause severe personal injury or death.

  • Page 6: Related Reference Sources

    Related Reference Sources Nilfisk-Advance provides Operator Manuals, Sales literature, Parts Lists, Technical Service Bulletins, and Instruction Sheets on our website www. advance-us.com for 24/7 availability of information to order parts, operate, troubleshoot, or repair all current production and most pruned machine models.

  • Page 7: Technical Specifications

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Introduction Technical Specifications GENERAL Machine Voltage 24 VDC Length (W/squeegee): 60 in (152.4 cm) Dimensions (without Squeegee and Width (body): 27.5 in (70 cm) Scrub Deck) Height (Recovery tank): 51.7 in (131.3cm) Scrub Deck Width: Squeegee Width: 30.3 in (77 cm) 28 disc, REV...

  • Page 8: Technical Specifications

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Introduction Technical Specifications Electrical Specifications Number of Batteries 4 / Battery Voltage 6V 310 Ah wet Number of Batteries 4 / Battery Voltage 6V 420 Ah wet Batteries Number of Batteries 4 / Battery Voltage 6V 312 Ah AGM Standard Battery Capacity: 305 amp-hours @ 20-hour rate 24-volt Manufacturer: Delta Q...

  • Page 9: Recovery System

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Introduction RECOVERY SYSTEM Vacuum Motor(s) .75 HP (560-watt) 3-stage Sealed: 63.0 in of Water (15.7 kPa) One Motor Vacuum Water 1” Open-hole Aperture: 10.3 in of Water (2.6 kPa) Lift (measured at Sealed: 65.0 in of Water (16.2 kPa) recovery hose) Two Motors...

  • Page 10: Transporting The Machine

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Introduction MINIMUM AISLE TURN AROUND RADIUS (TURNING LEFT) 28” deck Advenger / BR 755, 855 63 inches (1.63 m) and ST 34” deck Advenger / BR 755, 855 67.5 inches (1.71 m) and ST Cylindrical Advenger / BR 755, 855 63 inches (1.63 m)

  • Page 11: Towing The Machine

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Introduction Towing the Machine CAUTION! The Drive Wheel (4) has a built in electromagnetic brake that is engaged whenever the Key Switch is Off or the Drive Pedal (3) is in the Neutral position, i.e.

  • Page 12: Jacking Points

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Introduction Jacking Points FIGURE 4 Front - When facing the front of the machine and underneath looking up, place the jack to the left of the chain on the frame member (A) as shown in FIGURE 4.

  • Page 13: Know Your Machine

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Know Your Machine Know Your Machine Machine Front RH View Operator’s Seat Solution Tank Drain Hose Drive Pedal, Directional/Speed Drive Wheel Drive Wheel Circuit Breaker (70 Amp) Control Circuit Circuit Breaker (10 Amp) Emergency Stop Scrub Deck Rear Wheel...

  • Page 14: Machine Rear Lh View

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Know Your Machine KNOW YOUR MACHINE Machine Rear LH View 33 Seat Prop-Rod 34 Machine Battery Connector 21 Solution Shutoff Valve 22 Squeegee Raise/Lower Lever (ST models only) 35 Rear Squeegee Blade Removal Latch 23 Steering Wheel Tilt Adjust Knob 36 Hopper (Cylindrical models only) 24 Control Panel...

  • Page 15: Control Panel (Advenger / Br 755, 855 Disc And Cylindrical Models)

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Know Your Machine KNOW YOUR MACHINE CONTROL PANEL (Advenger / BR 755, 855 Disc and Cylindrical models) Scrub Pressure Increase Switch Key Switch Scrub ON/OFF Switch Solution Increase Switch Scrub Pressure Indicators (Normal, Heavy and Extreme) Solution ON/OFF Switch Scrub Pressure Decrease Switch Solution Flow Indicators (Normal, Heavy &...

  • Page 16: Control Panel (Rev Models)

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Know Your Machine CONTROL PANEL (REV models) Floor Finish Removal Speed Indicator (low, high) Key Switch F10 Detergent Indicator Bar Graph (off, weak, strong) Solution ON / Increase Switch Scrub Pressure Increase Switch C1 Solution Flow Indicators (Normal, Heavy &...

  • Page 17: Control Panel (St Models)

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Know Your Machine KNOW YOUR MACHINE CONTROL PANEL (ST Models) NOTE 1: Recovery Tank FULL status is indicated by the Solution Flow Key Switch Indicator LED (C1) turning Off. This status allows machine transport but Solution Increase Switch disables all active systems and disables the control panel switches except Solution ON/OFF Switch...

  • Page 18: Basic Machine Operation

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Know Your Machine KNOW YOUR MACHINE As you read this manual, you will occasionally run across a bold number in parentheses – example: (2). A bold number refers to an item shown on the Know Your Machine pages unless otherwise noted (bold letters refer to items on the same page).

  • Page 19: Main Controller Error Codes - Advenger / Br 755, 855 And St

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Know Your Machine Main Controller Error Codes – Advenger / BR 755, 855 and ST Advenger / ST Service BR 755, 855 System LED Blink Fault Description Refer to page: Display Error Affected Code *...

  • Page 20: Speed Control Error Flash Codes

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Know Your Machine Speed Control Error Flash Codes STATUS LED FAULT CODES (TABLE 1) LED CODE STATUS LIGHT EXPLANATION POSSIBLE CAUSE DISPLAY over-/under-temperature cutback 1. Temperature >97°C (206°F) or < -25°C (-13°F). 2.

  • Page 21: Error Code System Diagnostics - Advenger / Br 755, 855 And St

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Know Your Machine Error Code System Diagnostics – Advenger / BR 755, 855 and ST The following table describes the systems that are disabled for each error code to assist you in understanding machine response to error code status. Disable System Flash Indicator Speed control fault...
  • Page 22 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Know Your Machine UNDERSTANDING CONTROL OF SQUEEGEE, SCRUB, AND RECOVERY SYSTEMS VIA MODES Due to the unique One-Touch functions of the new Advenger / BR 755, 855 and ST, multiple systems are engaged via one action defined by the Mode that is chosen - Scrub Mode, Vacuum Mode, Floor Finish Removal or Wand Mode.
  • Page 23 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Know Your Machine Squeegee raises (reverse 24V to M3 for 4 sec.) * Recovery Tank Full is disabled in Wand Mode Press Vac/Wand Off Vacuum motor circuit Off UNDERSTANDING CONTROL OF SQUEEGEE, SCRUB, AND RECOVERY SYSTEMS VIA MODES Operator Seat Switch Mode...

  • Page 24: Squeegee System

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SQUEEGEE SYSTEM SQUEEGEE SYSTEM Refer to the section “Understanding Control of Squeegee, Scrub, and Recovery Systems via Modes” for explanation of control due to functionality of multiple systems in tandem. Advenger / BR 755, 855...

  • Page 25: Troubleshooting Squeegee Issues

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SQUEEGEE SYSTEM SQUEEGEE LIFT ACTUATOR CIRCUIT ERROR CODES AND MEASUREMENTS - ADVENGER / BR 755, 855 Advenger / ST Service Fault Description Troubleshooting Action BR 755, 855 Display Blink Code Error Code 1.

  • Page 26: Squeegee Adjustments

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SQUEEGEE SYSTEM Squeegee Adjustments Correct squeegee alignment is critical to water pickup performance and life of squeegee blades. If the squeegee is not angled correctly or hops, use the following settings as nominal and adjust as necessary to achieve the required performance. Tilt –...

  • Page 27: Squeegee Lift Actuator Replacement - Advenger / Br

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SQUEEGEE SYSTEM Squeegee Lift Actuator Replacement - Advenger / BR 755, 855 CAUTION! The Recovery Tank is heavy and care should be taken in removing it. Two people recommended, or battery roll-out unit. Lower the squeegee tool to the floor and then disconnect the battery pack at the red Anderson connector in the battery compartment.

  • Page 28: Squeegee Lift Actuator Drive Nut Adjustment - Advenger / Br

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SQUEEGEE SYSTEM Squeegee Lift Actuator Drive Nut Adjustment - Advenger / BR 755, 855 WARNING! FIGURE 10 Open the battery compartment and disengage the red Anderson battery connectors. Connect the Scrub Deck Lift Actuator (completely assembled) to the Actuator Power Cord Adapter 56407502 (Figure 10) (see “Diagnostic and Service Tools”).

  • Page 29: Squeegee Lift Cable Replacement - Advenger / Br

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SQUEEGEE SYSTEM Squeegee Lift Cable Replacement - Advenger / BR 755, 855 Follow steps 1-6 of “Squeegee Lift Actuator Replacement - Advenger / BR 755, 855” to disengage front end of lift cable under machine.

  • Page 30: Squeegee Lift Cable Replacement - St

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SQUEEGEE SYSTEM Squeegee Lift Cable Replacement - ST CAUTION! The Recovery Tank is heavy and care should be taken in removing it. Two people recommended, or battery roll-out unit. REAR: Lower the Squeegee Tool to the floor and then disconnect the battery pack at the red Anderson connector in the battery compartment.

  • Page 31: Squeegee Lift Cable Adjustment - St

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SQUEEGEE SYSTEM Squeegee Lift Cable Adjustment - ST REAR – Figure 14 Factory setting is 0.25” Follow steps 1 – 6 of Squeegee Lift Actuator Replacement - Advenger / BR 755, 855 If the cable is too long and the squeegee doesn’t lift off the ground, move the nut closest to the squeegee away from the machine, decreasing •...

  • Page 32: Steering Column Assembly Shroud Removal

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SQUEEGEE SYSTEM Steering Column Assembly Shroud Removal See Figure 16. Remove the 4 screws fastening the Lower Column Shroud (A) to the Lower Column Weldment. (ST) Using a 7/16” socket, remove Squeegee Lift Knob and Linkage Arm (B). Using a flat bladed screwdriver, pry off the steering wheel plastic center cap.

  • Page 33: Scrub System

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM SCRUB SYSTEM Advenger / BR 755, 855 Disc and Cylindrical - pressing the Scrub On button with the seat switch closed causes the scrub deck and squeegee to drop. The control board provides 24V to the deck lift actuator M4; this signal is DVM measureable for 3 seconds and then becomes a pulsed signal while the deck is down.
  • Page 34 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Advenger / BR 755, 855 REV - Scrub Mode - The scrub mode operates like the Disc and cylindrical models Floor Finish Removal Mode When in the scrub mode, pressing the Floor finish Removal Mode Switch reduces the machine transport speed and modifies the deck pressure and solution flow rates.
  • Page 35 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM ST - with the seat switch closed, lowering the squeegee and brush deck and pressing the drive pedal forward causes the brush and vacuum contactors to energize. The 24V brush and vacuum motors turn on; the pulsed solution solenoid turns on. Combined brush motor current is monitored via the YEL/VIO sense wire.

  • Page 36: Brush Motor Control And Load Circuit Error Codes And Measurements

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM BRUSH MOTOR CONTROL AND LOAD CIRCUIT ERROR CODES AND MEASUREMENTS Advenger / ST Service BR 755, 855 Fault Description Troubleshooting Action Display Blink Code Error Code 1. Check for binding in rotation of brushes or improper brush lift actuator operation.

  • Page 37: Troubleshooting Scrub System Issues

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Brush Scrub Nominal Current (A) Overload Current (A) Wire Colors Motor Type Pressure +/- 3A Medium & Disc High Black Medium & Cylindrical High Black Does not use Target Amps for Medium &...

  • Page 38: Scrub Deck Lift Actuator Replacement - Advenger / Br

    Remove the Cotter Hairpins from the both ends of the actuator. Remove the Deck Actuator. Using the Actuator Power Cord Adapter 56407502 from your Nilfisk-Advance service tool kit, set the Extend and Retract limit switch positions as shown in the “Scrub Deck Lift Actuator Drive Nut Adjustment” section.

  • Page 39: Scrub Deck Lift Actuator Drive Nut Adjustment

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Scrub Deck Lift Actuator Drive Nut Adjustment - Advenger / BR 755, 855 Disc and Cylindrical FIGURE 18 WARNING! Open the battery compartment and disengage the red Anderson battery connectors. Connect the Scrub Deck Lift Actuator (completely assembled) to the Actuator Power Cord Adapter 56407502 (see “Diagnostic and Service Tools”).
  • Page 40 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Advenger / BR 755, 855 REV The total travel of the actuator is not adjustable, however, the position of the spring housing must be “timed” to the fully extended motor position as follows: WARNING! Open the battery compartment and disengage the red Anderson battery connectors.

  • Page 41: Scrub Deck Removal - Disc And Rev

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Scrub DECK REMOVAL - Disc and REV WARNING! DISCONNECT BATTERIES BEFORE SERVICING. Scrub Deck Removal / Re-installation Remove both deck side skirt assemblies. Lower the scrub deck with brushes (pads) installed. STD / AXP / EDS SERVICE NOTE: Don’t turn the key switch off until after disconnecting the battery.

  • Page 42: Scrub Brush Motor Removal - Disc

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Scrub Brush Motor Removal - DISC (also needed for Carbon Brush check) See SCRUB DECK REMOVAL-DISK to remove the scrub deck assembly. See Figure 21. After removing the deck turn it over so the Brush Plates are on top. Remove the hex socket screw (A) from the Motor Gimbal located at the Brush Plate center.

  • Page 43: Scrub Brush Motor Removal - Disc

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Scrub Brush Motor Removal - DISC FIGURE 22 See Figure 22. Mark the bolt locations (A) before removing them because one deck is used for all deck sizes and there are multiple configurations.
  • Page 44 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Scrub Brush Deck Motor Removal - REV 1. Remove the Brush Head from the machine. (See Removal and Installation, Brush Head.) 2. Flip the deck disc side up and remove the pads. 3.
  • Page 45 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM 5. Lift the driver motor with the eccentric from the brush motor shaft being careful not to lose the square- cut key. Driver Motor Eccentric 6. Note the orientation of the brush motor electrical leads relative to the deck to make sure you install the motor in the same position.
  • Page 46 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Drive Motor, Bearing and Eccentric (REV) Removal Eccentric Remove the brush head and brush motor according to the previous sections. Press the eccentric out of the bearing inner race using an arbor press.

  • Page 47: Motor Plate And Isolators (Rev)

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Motor Plate and isolators (REV) Removal Remove the brush head from the machine. Remove the brush motor. Remove the retainers. Remove Remove the motor plate by removing the 4 isolator nuts. Inspect the splash shield and replace if damaged.. Inspect Splash Shield Remove...
  • Page 48 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Installation Apply Loctite blue 243 threadlocker or equivalent to the threads of each isolator. Install the isolators in the brush head. Position each one so that the color stripe it will be visible when the motor plate is installed. Torque each nut to 8-10 ft.
  • Page 49 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Scrub Motor Carbon Brushes (REV) Remove the brush head from the machine. Remove wire retaining nut and rubber packing. Mark orientation of end plates to motor housing and remove both through bolts. Remove end plate.
  • Page 50 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Replace the carbon brushes. Observe how the springs roll when the brush is pushed back before taking it apart. Remove a brush and spring. Install a new brush and spring into the brush holder. Thread the brush wire lead through the brush holder. Position the back end of the brush in the “cup”...
  • Page 51 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Install it far enough so that the brushes will contact the commutator when the temporary retaining wires are removed. Then remove the wires. Carbon Brush Commutator Fully seat the end cover. Install the through bolts.

  • Page 52: Scrub Deck Removal - Cylindrical

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Scrub DECK REMOVAL - Cylindrical WARNING! DISCONNECT BATTERIES BEFORE SERVICING. Scrub Deck Removal / Re-installation Remove both deck side skirt assemblies and the debris tray. Lower the scrub deck with brushes installed. STD / AXP / EDS SERVICE NOTE: Don’t turn the key switch off until after disconnecting the battery pack.

  • Page 53: Scrub Brush Motor Removal - Cylindrical

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SCRUB SYSTEM Scrub Brush Motor Removal - Cylindrical See SCRUB DECK REMOVAL-CYLINDRICAL to remove the scrub deck assembly. See Figure 25. Remove the Belt Cover (A) on each side. With an operator in the driver’s seat with the key switch On and the increase scrub function selected press the drive pedal to start the scrub brushes and observe which brush motor needs to be replaced.

  • Page 54: Recovery System

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 RECOVERY SYSTEM RECOVERY SYSTEM The recovery system is controlled via the control board output to contactor K1 coil, turning on one or both (if equipped) vac motors M5 (M6), with control board feedback provided via the BRN/RED vac motor current-monitoring sense wire. Refer to the section “Understanding Control of Squeegee, Scrub, and Recovery Systems via Modes”...
  • Page 55 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 RECOVERY SYSTEM...

  • Page 56: Recovery System Error Codes And Measurements

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 RECOVERY SYSTEM RECOVERY SYSTEM ERROR CODES AND MEASUREMENTS Advenger / BR 755, Service LED Fault Description Troubleshooting Action 855 Display Blink Code Error Code 1. Check for debris in vac motor 2.

  • Page 57: Troubleshooting Recovery System Issues

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 RECOVERY SYSTEM Troubleshooting Recovery System Issues Problem Possible Cause Advenger / BR 755, 855 and ST 1. Misadjusted squeegee tool - refer to “Squeegee Alignments” section 2. Worn or damaged blades - refer to Operating Manual for instructions 3.

  • Page 58: Replacing A Vacuum Motor

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 RECOVERY SYSTEM Replacing a Vacuum Motor WARNING! DISCONNECT BATTERIES BEFORE SERVICING. RECOVERY TANK REMOVAL See Figure 26. Drain the Recovery Tank (A) using the Drain Hose(B). Disconnect the Recovery Hose (C) from the squeegee. Disconnect the vacuum motor wiring from the main harness.
  • Page 59 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 RECOVERY SYSTEM REPLACING A VACUUM MOTOR VACUUM MOTOR ASSEMBLY REMOVAL See Figure 27. Lay the Recovery Tank (A) on it’s back. Remove the (6) Screws (B) and remove the Vacuum Motor Cover (C) from the tank. Remove Plate and Gaskets (D) and Vacuum Motor (E).

  • Page 60: Solution System

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SOLUTION SYSTEM SOLUTION SYSTEM The Solution System is controlled via a pulsed 24V signal from the control board at J3-11 to the Solution Solenoid valve. On Advenger / BR 755, 855 machines, the solution flow rate is also controlled via feedback provided by a pressure sensor on the control board. For more details, refer to the “Solution System Control”...

  • Page 61: Troubleshooting Solution & Axp/Eds System Issues

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SOLUTION SYSTEM SOLUTION & AXP/EDS SYSTEM ERROR CODES AND MEASUREMENTS - ADVENGER / BR 755, 855 AND ST Advenger / Fault Description Troubleshooting Action ST Service BR 755, 855 Display Blink Code Error Code 1.

  • Page 62: Solution System Diagram

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SOLUTION SYSTEM Solution System Diagram FIGURE 28...

  • Page 63: Solution System Control

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SOLUTION SYSTEM Solution System Control Advenger / BR 755, 855 The control board output of pulsed voltage signals driving the Solution System is controlled by the following three parameters: The deck size and type (factory set but selectable via Hidden Menu). The Solution Flow Rate chosen by the operator through the user interface.

  • Page 64: Replacing The Solution Solenoid Valve

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 SOLUTION SYSTEM Replacing the Solution Solenoid Valve Advenger / BR 755, 855 - follow instructions found in “Service Test Mode” to lower the scrub deck. ST - manually lower the scrub deck. WARNING! Quickly disconnect the batteries at the red Anderson connectors in the battery compartment (done for safety and to keep the deck from rising back up).

  • Page 65: Wheel Drive System

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 WHEEL DRIVE SYSTEM WHEEL DRIVE SYSTEM The drive wheel assembly is directly connected to the Curtis 1228 speed control, which not only provides an output signal of 24V to the drive wheel for forward and reverse movement, but also monitors current and temperature, and controls the electromagnetic brake.

  • Page 66: Troubleshooting Drive Wheel Issues

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 WHEEL DRIVE SYSTEM WHEEL DRIVE CIRCUIT ERROR CODES AND MEASUREMENTS Advenger / ST Service Fault Description Troubleshooting Action BR 755, 855 Display Blink Code Error Code Speed control fault 1. Verify connector at Drive Pedal is connected (will disable all systems unless fault 2.

  • Page 67: Replacing The Drive Wheel Assembly

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 WHEEL DRIVE SYSTEM Replacing the Drive Wheel Assembly WARNING! Park the machine on a dry flat surface, turn the main key switch (J) to the Off position and disconnect the battery pack at the red Anderson connectors inside the battery compartment.
  • Page 68 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 WHEEL DRIVE SYSTEM REPLACING THE DRIVE WHEEL ASSEMBLY (CONTINUED) 11 Reassemble the drive wheel in reverse order, attaching the motor wires as shown. CAUTION! Use a Torque Wrench set at 20 ft-lb to retighten the 1 1/2” hex nut at the top of the steering spindle. NOTE Orient the wires in such a way as to minimize bending at the crimps for optimum motor performance.

  • Page 69: Replacing The Drive Tire

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 WHEEL DRIVE SYSTEM Replacing the Drive Tire Replacing the drive tire (metal wheel with urethane tire) requires the tire pulling kit (56422174). The drive tire may be replaced without removing the drive assembly from the machine, but you may find it easier to remove the drive wheel assembly.
  • Page 70 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 WHEEL DRIVE SYSTEM Replacement Notes 1. Install the drive hub (40) to the new wheel/tire using the six socket head cap screws (39). 2. Remove the tire pulling bolts (41) from the drive housing.

  • Page 71: Inspecting/Replacing The Drive Wheel Assembly Carbon Brushes

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 WHEEL DRIVE SYSTEM Inspecting/Replacing the Drive Wheel Assembly Carbon Brushes IMPORTANT! To remove/replace/inspect the Carbon Brushes, observe the following: The motor must come off of the machine. The motor assembly must be kept vertical while being disassembled to prevent loss of gear oil. FIGURE 37 WARNING! Park the machine on a dry flat surface, turn the main key...

  • Page 72: Replacing The Rear Wheels

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 WHEEL DRIVE SYSTEM Replacing the Rear Wheels WARNING! Park the machine on a dry flat surface, turn the main key switch Off and disconnect the battery pack at the red Anderson connectors in the battery compartment.

  • Page 73: Electrical System

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 ELECTRICAL SYSTEM ELECTRICAL SYSTEM FIGURE 39 ACCESS TO PANEL: CHEMICAL PUMP, CHARGER INTERLOCK, FUSES, CONTACTORS, SPEED CONTROL WARNING! Open the battery compartment and disengage the red Anderson battery connectors. Remove the 3 (AXP/EDS - 4) screws fastening the electrical panel to the front of the machine.

  • Page 74: Control Board J1, J2, And J3 Pin Outs And Test Points

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 ELECTRICAL SYSTEM Control board j1, j2, and j3 pin outs and test points CAUTION! Always take measurements at the end connectors for troubleshooting purposes. If readings taken there do not indicate the problem, check the control board as a last resort as damage to the board may occur (see Caution statements in “Replacing Operator Control Panel”...

  • Page 75: Expanded Electrical System

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 ELECTRICAL SYSTEM Backprobe J2 - Speed Control outputs, ST deck and squeegee lever position, and sense wires, J2 connected at control board: Referenced to Measure Measure Referenced to ST squeegee lever switch S6 BLK/YEL Closed sq down 0V Open sq up 5V...
  • Page 76 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 ELECTRICAL SYSTEM Rev Measurements The information in the following tables was taken from measuring a single machine with a REV deck. These values will vary from machine to machine based on battery charge level etcc., however, they will still give you a picture of what normal should look like.
  • Page 77 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 ELECTRICAL SYSTEM Connector J2 Wire Circuit Measured Comment Ground 0.06v Vacuum On Ground 0.06v Vacuum On BLK/WHT Speed Limit 4.45v Transport Signal Out to Speed Controller 3.4v Scrub 1.1v Strip POT Low 0.38v From Speed Controller.
  • Page 78 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 ELECTRICAL SYSTEM Connector J3 Wire Circuit Measured Comment BRN/GRN 25.5v Key Off or On Ground 0.05v Vacuum On BLK/GRY Seat Switch 25.2v Weight on Seat BLU/BLK 24.5v N or FWD 1.5v REV RED/WHT FOR/REV (Motion)

  • Page 79: Curtis Speed Control Installation Checkout Procedure

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 ELECTRICAL SYSTEM Curtis Speed Control Installation Checkout Procedure After installing a controller and before operating the vehicle, carefully complete the following checkout procedure. If you find a problem during checkout, refer to the Curtis programmer manual for more information. The installation checkout can be conducted with or without the handheld programmer.

  • Page 80: Replacing The Operator Control Panel

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 ELECTRICAL SYSTEM Replacing the Operator Control Panel WARNING! DISCONNECT BATTERIES BEFORE SERVICING. CAUTION! To prevent damage to the new control panel assembly due to static electricity (ESD), wear a properly grounded static control wrist strap before removing the new assembly from its protective static shielding bag and throughout the entirety of the installation process until the four screws attaching the assembly to the machine have been re-fastened.
  • Page 81 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 ELECTRICAL SYSTEM REPLACING THE OPERATOR CONTROL PANEL CONTROL PANEL DISASSEMBLY, ASSEMBLY AND INSTALLATION See Figure 42. Remove the Key Switch (A) from the panel assembly. Remove the (5) Screws (B), the Circuit Board (C) and the Tab (D) from the panel assembly. NOTE: Save Items (A-D) and discard the panel assembly.

  • Page 82: Programming Functions

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Programming Functions Programming Functions Service Test Mode - ADVENGER / BR 755, 855 (Disc and Cyl.) The purpose of Service Test Mode is to by-pass the lock-out function of the normal control system of components that are in an error state and allow those components to be manually turned on and off for troubleshooting purposes.

  • Page 83: Changing Control Board Program Settings

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Programming Functions Changing Control Board Program Settings Although the Advenger / BR 755, 855 and ST are delivered with a standard factory preset configuration, there will be times, such as when a control board is replaced, when battery type is changed, or a different size scrub deck is installed, when some parameters in the control system software will need to be changed.

  • Page 84: Changing Program Settings - Advenger / Br 755, 855 (Disc And Cyl.)

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Programming Functions Changing Program Settings - Advenger / BR 755, 855 (Disc and Cyl.) To enter this Hidden Menu, turn the key switch Off, then press and hold the Scrub and Vacuum switches together. Turn key switch back On and hold the switches for 2 seconds until the Solution and Scrub indicators both turn on.

  • Page 85: Changing Program Settings - St

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Programming Functions Changing Program Settings - ST To enter this Hidden Menu, turn key switch Off, then press and hold the buttons shown in the table below simultaneously. Turn key switch back On and hold for 2 seconds until the indicated LEDs for the desired function turn On, then release the switches. Use the Solution + or - switches to change the setting.

  • Page 86: Service Test Mode - St

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Programming Functions Service Test Mode - ST The purpose of Service Test Mode is to by-pass the lock-out function of the normal control system of components that are in an error state and allow those components to be manually turned on and off for troubleshooting purposes.

  • Page 87: Hidden Menus (Rev)

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Programming Functions Hidden Menus (REV) Hidden menus are used to configure the main controller to match the machine that it is installed on (Programming Options) and to perform time-saving diagnostic tests (Service Test Mode). The service test mode is found as a menu item under programming options.

  • Page 88: Program Options (Rev)

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Programming Functions Program Options (REV) Program options must be set whenever the Main Controller has been replaced. • Scrub Deck Type - This function configures the control unit current settings and flow rate settings for each of the scrub deck types.
  • Page 89 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Programming Functions • Service Test Mode - The purpose of the service test mode program is to assist the service repairperson with numerous quick short-cut troubleshooting procedures. These test instructions allow for the separate control of each individual electrical system component independent of the normal operator inputs.

  • Page 90: Service Test Mode - Advenger / Br 755, 855 (Rev)

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Programming Functions Service Test Mode - ADVENGER / BR 755, 855 (REV) The service test mode provides time-saving diagnostic tests. You can request that the main controller turn various outputs on and off without the normally required prerequisite inputs in order to quickly prove whether the output is working or not.
  • Page 91 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 Programming Functions Input Tests Once in service test mode the LCD displays output test fedback. It also displays current speed control direction, battery voltage to the main controller and any current error codes. Current Error Codes Battery...

  • Page 92: Maintenance Schedules

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 MAINTENANCE SCHEDULES MAINTENANCE SCHEDULES OPERATOR PREVENTIVE MAINTENANCE – MACHINE IN USE MAINTENANCE ITEM Daily Weekly Monthly Charge Batteries ● Check/Clean Tanks & Hoses ● Check/Clean/Adjust Squeegee ● Check/Clean/Rotate Brushes/Pads ● Empty/Clean Strainer Basket in Recovery Tank ●...

  • Page 93: Operator Preventive Maintenance - Machine In Storage

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 MAINTENANCE SCHEDULES MAINTENANCE SCHEDULES OPERATOR PREVENTIVE MAINTENANCE – MACHINE IN STORAGE MAINTENANCE ITEM Daily Weekly Monthly Yearly Check Each Battery Cell’s Water Level (wet) ● Charge Batteries – full charge cycle 12-15 hrs ●...

  • Page 94: Pm Checklist

    Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 MAINTENANCE SCHEDULES PM Checklist Advance Advenger 2805, 2905, 3405 Advance 2800ST, 3400ST Nilfisk BR 755, 855 Disc and Cylindrical PM Checklist Defect Codes Customer needs adjustment binding Address dirty or contaminated damaged, bent or torn City leaks...
  • Page 95 Service Manual – Advenger, 2800ST, 3800ST, BR 755, BR 855 MAINTENANCE SCHEDULES VISUAL INSPECTION ITEMS Comments OK or D e f e c t D o e s Codes (circle) Work Scrub Brushes (check for wear and rotate) A B D W Scrub Brush Motor Carbon Brushes Wear Limit 3/8”...

  • Page 96: Component Location (Advenger/Br 755, 855)

    ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ ELECTRICAL SYSTEM Expanded Electrical System COMPONENT LOCATION (Advenger / BR 755, 855) ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Component Location (Advenger/BR 755, 855) Item Description Control PCB Assy Controller, Speed Fuse 150 Amp Circuit Breaker, 70 Amp Circuit Breaker, 10 Amp Beacon, Warning (optional) Horn/Backup Alarm Contactor, Vacuum Motor Contactor, Brush Motor...

  • Page 97: Wiring Diagram / Schematic (Advenger / Br 755, 855 Disc And Cylindrical Decks)

    WIRING DIAGRAM / SCHEMATIC (Advenger / BR 755, 855 Disc and Cylindrical Decks) Item Ref. No. Qty Description 56601565 Control PCB Assy 56601061 Controller, Speed Battery 56412089 Fuse, 150 Amp 56454429 Circuit Breaker, 70 Amp 56507644 Circuit Breaker, 10 Amp 56307166 Beacon, Warning (optional) 56412177...
  • Page 98 ELECTRICAL SYSTEM FORM NO. 56043121 - Advenger / 2800ST, 3400ST / BR 755, BR 855- 77...

  • Page 99: Wiring Diagram (Rev Deck) - 56601806 Revision A Sheet 1 Of 2

    Wiring Diagram (REV Deck) - 56601806 Revision A Sheet 1 of 2 THIS DRAWING AND THE DESIGN REPRESENTED HEREON IS THE PROPERTY OF NILFISK-ADVANCE, INC., PLYMOUTH, MINNESOTA AND IT HAS BEEN ISSUED WITH THE UNDERSTANDING THAT IT WILL NOT BE REPRO- DUCED NOR COPIED NOR USED FOR ANY PURPOSE OTHER THAN FOR WHICH IT WAS ISSUED AND RECIPIENT AGREES TO RETURN IT UPON REQUEST.

  • Page 100: Wiring Diagram (Rev Deck) - 56601806 Revision A Sheet 2 Of 2

    Wiring Diagram (REV Deck) - 56601806 Revision A Sheet 2 of 2 CONFIDENTIAL THIS DRAWING AND THE DESIGN REPRESENTED HEREON IS THE PROPERTY OF NILFISK-ADVANCE, INC., PLYMOUTH, MINNESOTA AND IT HAS BEEN ISSUED WITH THE UNDERSTANDING THAT IT WILL NOT BE REPRO- DUCED NOR COPIED NOR USED FOR ANY PURPOSE OTHER THAN FOR WHICH IT WAS ISSUED AND RECIPIENT AGREES TO RETURN IT UPON REQUEST.

  • Page 101: Wiring Harness Diagram (Rev Deck) - 56601807 Revision A

    Wiring Harness Diagram (REV Deck) - 56601807 Revision A 80 - FORM NO. 56043121 - Advenger / 2800ST, 3400ST / BR 755, BR 855...

  • Page 102: Component Location (2800St, 3400St)

    Component Location (2800ST, 3400ST) COMPONENT LOCATION (2800ST, 3400ST) Item Description Control PCB Assy Controller, Speed Fuse 150 Amp Circuit Breaker, 70 Amp Circuit Breaker, 10 Amp Beacon, Warning (optional) Horn/Backup Alarm Contactor, Vacuum Motor Contactor, Brush Motor Solenoid Valve Motor / Drive Wheel Motor, Vacuum Motor, Vacuum (Optional) Motor, Brush...

  • Page 103: Wiring Diagram / Schematic (2800St, 3400St)

    WIRING DIAGRAM / SCHEMATIC (2800ST, 3400ST) ELECTRICAL SYSTEM WIRING DIAGRAM / SCHEMATIC (2800ST, 3400ST) Item Ref. No. Qty Description 56601566 Control PCB Assy 56601061 Speed Control Battery 56412089 Fuse, 150 Amp 56454429 Circuit Breaker, 70 Amp 56507644 Circuit Breaker, 10 Amp 56307166 Beacon, Warning (optional) 56412177...
  • Page 104 ELECTRICAL SYSTEM FORM NO. 56043121 - Advenger / 2800ST, 3400ST / BR 755, BR 855- 83...

This manual is also suitable for:

Advenger 3400stBr 755Br 855

Table of Contents

Save PDF