Nilfisk-Advance BR 850S Service Manual
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Nilfisk-Advance BR 850S Service Manual

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Adgressor
BR 850S, 850CS, 950S, 950CS
BR 1050S, 1050CS

SERVICE MANUAL

Advance MODELS 56314661(2820D), 56314662(3220D), 56314663(2820C), 56314664(3220C)
56314826(3520D), 56314827(3820D), 56314828(3520C), 56314829(3820C)
Nilfi sk MODELS 56314674(850S), 56314675(850CS), 56314830(950S), 56314831(1050S),
56314832(950CS), 56314833(1050CS)
™
10/04 revised 10/06 FORM NO. 56043097

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  • Page 1: Service Manual

    Adgressor ™ BR 850S, 850CS, 950S, 950CS BR 1050S, 1050CS SERVICE MANUAL Advance MODELS 56314661(2820D), 56314662(3220D), 56314663(2820C), 56314664(3220C) 56314826(3520D), 56314827(3820D), 56314828(3520C), 56314829(3820C) Nilfi sk MODELS 56314674(850S), 56314675(850CS), 56314830(950S), 56314831(1050S), 56314832(950CS), 56314833(1050CS) 10/04 revised 10/06 FORM NO. 56043097...

  • Page 2: Table Of Contents

    TROUBLESHOOTING ..............................46 SQUEEGEE LIFT ACTUATOR MOTOR REMOVAL ......................47 SQUEEGEE LIFT CABLE REPLACEMENT ........................47 SQUEEGEE MAINTENANCE ............................48 SQUEEGEE ADJUSTMENT ............................. 48 2 - FORM NO. 56043097 / Adgressor revised 10/06 / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...
  • Page 3 ELECTRICAL COMPONENT LOCATION (after Serial Number chart) ................78 Note: All references to right, left, front, or rear in this manual are as seen from the operator’s stand-point. FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 1 ™ revised 10/06...

  • Page 4: General Information

    Repairs, when required, should be performed by your Authorized Nilfi sk-Advance Service Center, who employs factory trained service personnel, and maintains an inventory of Nilfi sk-Advance original replacement parts and accessories. Call the NILFISK-ADVANCE DEALER named below for repair parts or service. Please specify the Model and Serial Number when discussing your machine.

  • Page 5: Safety Instructions

    The batteries must be removed from the machine before the machine is scrapped. The disposal of the batteries should be safely done in accordance with your local environmental regulations. SAVE THESE INSTRUCTIONS FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 3 ™...

  • Page 6: Specifications & Maintenance

    Height (Max.) 16.5 in. (42cm) Width (Max.) 22.25 in. (56.5cm) Length (Max.) 25.25 in. (64.1cm) Battery Chargers – see Electrical System Battery Section 4 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS revised 6/05 ™...
  • Page 7 SPECIFICATIONS Specifi cations common to deck size Model designation: (28”)=Adgressor 2820 D/C (32”)=Adgressor 3220 D/C, BR 850S/CS (35”)=Adgressor 3520 D/C, BR 950S/CS (38”)=Adgressor 3820 D/C, BR 1050S/CS 28” 32” 35” 38” Machine Width with Squeegee (English) 32.6 in. “B” 36.6 in. “C”...

  • Page 8: Maintenance Schedule

    Available NLGI consistency 3. Average Drop Penetration ASTM Worked Grade Point °C (mm / 10) at 25 °C Base MR 158 Grease 220 / 250 Lithium* 6 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 9: Pm Checklist

    C D L Recovery Tank Drain Hose & Cap Flush Squeegee Pick-Up Tool & Hose Back flush Page 1 of 2 Copyright 2004 Nilfisk-Advance. 10/21/2004 FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 7 ™...
  • Page 10 W worn out leaks WORK COMPLETED BY: ACKNOWLEDGED BY: Service Technician Signature Date Customer Signature Date Page 2 of 2 Copyright 2004 Nilfisk-Advance. 10/21/2004 8 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 11: Know Your Machine

    25 Operator Seat Adjustment Lever Hopper (cylindrical models only) 17 Recovery Tank Shutoff Float 26 Smart Solutions ™ / ECO Solution ™ 27 Tie Down Locations (3) FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 9 ™...

  • Page 12: Control Panel

    Scrub Pressure Increase Switch Vacuum Switch Scrub Pressure / Hourmeter Display Vacuum System Indicator Wand Switch Indicator Solution System Indicator Wand Switch Solution Switch 10 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 13: Functional Description Of Control Buttons

    The indicator will be yellow if the scrub system has been enabled but the throttle is in neutral. FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 11 ™...
  • Page 14 The indicator will be yellow if the scrub system has been enabled at the light pressure setting but the throttle is in neutral. 12 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...
  • Page 15 Pressing this switch when the scrub system is off will momentarily turn the solution fl ow on to allow pre-wetting of the scrub brushes. FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 13 ™...

  • Page 16: Description Of Indicators On The Control Panel

    This indicator will fl ash yellow if there is a solution system fault. • This indicator will be off if the solution is disabled and turned off. 14 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...
  • Page 17 * NOTE: Reference (in the Electrical System manual section) the Main Control Board Troubleshooting Guide and the Control Board Special Program Options sections. These sections will explain the machine error code descriptions and scrub system controller default parameter changes. FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 15 ™...

  • Page 18: Steering System

    Grip the shroud and pull up to completely release it from the steering column base and the foot brake assembly. FIGURE 1 Remove plug to access/grease universal joint View from back side of panel (I) FRONT 16 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 19: Steering Chain Removal And Tensioning

    Inspect the chain for looseness and binding, re-tension the chain to 3/16”-1/4” (4.7 – 6.4mm) defl ection by following the above adjustment instructions. Keep all of the steer chain links oiled to prevent excessive wear and binding. FIGURE 2 View from under the machine FRONT FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 17 ™...

  • Page 20: Wheel Drive System

    Note: The maximum machine drive wheel speed setting for the two drive modes 1 & 2 can be changed by using the Curtis handheld programmer. Reference the Curtis programmer instructions found in the electrical system manual section to change speed settings from their original factory specifi cations. 18 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...
  • Page 21 POT. LO MOTOR PIN 2 -- POT. WIPER CONTROL BOARD WHEEL DRIVE J4-3 PIN 3 -- POT. LO POT. HIGH POT. 5K OHM SPEED CONTROLLER FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 19 ™...
  • Page 22 PROGRAM 2 POWER DRIVER ENABLE MULTI MODE MAIN POT LOW POT HIGH PROGRAM 1 SPEED DRIVER LIMIT WIPER Used (10 pins) Not Used (6 pins) 20 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 23: Wheel Drive Troubleshooting Guide

    • Speed controller has sensed an operation error code fault. 03 fault code. (see the Status LED Fault Codes (Table 1) in the Electrical System) * = See Curtis Speed Control Troubleshooting Section. FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 21 ™...

  • Page 24: Steering Spindle & Wheel Drive Motor Assembly Removal

    242 to all the cap screws to prevent the fasteners from backing out. Re-assemble in reverse order following all the steps outlined in the steer spindle and drive motor removal section. 22 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...
  • Page 25 WHEEL DRIVE SYSTEM FIGURE 5 FRONT FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 23 ™...

  • Page 26: Brake Adjustment

    Note: Also check the brake bands brake lining for wear when excessive pedal travel can not be eliminated through adjustments. Service by replacing worn brake band and readjust and test for proper brake operation. FIGURE 6 No Gap Pivot FRONT 24 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 27: Drive Wheel Brake Strap Replacement

    A new carbon brush measures 20mm (.780 inches) in length. Replace the brushes when worn to a length less than 9.5mm (.375 inches). FIGURE 7 FRONT FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 25 ™...

  • Page 28: Potentiometer Removal And Testing

    0-5000 Ohms or 5000-0 Ohms increasing and decreasing through its full range. If you do not get these readings replace the potentiometer. FIGURE 8 FRONT Yellow Violet Gray Grn/Yel 26 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 29: Potentiometer Installation & Adjustment

    Check both again and readjust. FIGURE 9 Right Side View Front View FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 27 ™...

  • Page 30: Scrub Brush System

    • Disc Brush System Overview See Figure 2. The machines Adgressor 2820D-3220D and BR 850S- use the disc type scrub system. A single 1, 1-1/2HP 36V DC permanent magnet motor is connected at both ends with (2) 90-degree gearboxes that drive the two disc (rotary) brushes. The 3520D – 3820D models use the disc type scrub system also but with (3) .6HP 36V horizontally mounted DC permanent magnet motor gearbox assemblies.

  • Page 31: Scrub Brush System Troubleshooting

    (M1). Detected error codes from the main controller are displayed on the hour meter LED display (G) as they occur. Note: Reference the Main Control Board Troubleshooting Guide in the Electrical System of this manual for specifi c fault descriptions and service repair actions. FIGURE 1 FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 29 ™...

  • Page 32: Scrub Brush Deck Removal (Disc & Cylindrical)

    Set stop bolt so that brush hubs are approximately 1" above the floor (disc). FRONT Swing Actuator forward Slide deck assembly out from under right side of machine. 30 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 33: Scrub Brush Motor Assembly Removal (Disc)

    Note: The gearbox output shafts rotate the brush holders in the opposite direction of other Nilfi sk-Advance automatic scrubbers (see below). FRONT Right Left FRONT FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 31 ™...

  • Page 34: Scrub Brush Side Skirt Replacement (Disc)

    Note: The panel fasteners are not designed to be reused. Install the new skirts with new panel fasteners tap them into the mounting holes with a soft-faced hammer. FIGURE 4 FRONT 32 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 35: Brush Deck Actuator Removal (Disc & Cylindrical)

    Service Test Mode section for the special output control of the Scrub Pressure Increase Switch (F) (See Electrical System for steps to enter the Service Test Mode). FIGURE 5 FRONT FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 33 ™...

  • Page 36: Scrub Brush Motor Removal (Cylindrical)

    Inspect the scrub brush bristles for wear, the brushes should be replaced when the bristle length is 1 inch (26 mm) or less (monthly). 34 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 37: Scrub Brush Removal And Installation (Cylindrical)

    (AT) into a different mount hole (A, B or C). This change will increase or decrease the spring force (pressure) pulling down on the rear edge of the skirt blade. Position “C” creates maximum down pressure on the blade and position “A” is minimum pressure. FIGURE 9 1/4" (6.3mm) FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 35 ™...

  • Page 38: Correct Scrub Motor Wiring Connections

    SCRUB BRUSH SYSTEM CORRECT SCRUB MOTOR WIRING CONNECTIONS FIGURE 10 36 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS revised 10/06 ™...

  • Page 39: Correct Brush Rotation Directions

    SCRUB BRUSH SYSTEM CORRECT BRUSH ROTATION DIRECTIONS FIGURE 11 revised 10/06 FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 37 ™...

  • Page 40: Solution System

    When the solution on/off button is turned off, no fl ow can occur regardless of the manual fl ow control being on, drive pedal activated and the scrub deck down. FIGURE 1 FRONT Solution Lever Solution Tank Electrical Solenoid Valve (L1) Smart Solutions Valve Flow Control Valve (C) 38 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 41: Solution Solenoid Circuit Overview

    PIN 2 -- POT. WIPER J4-3 POT. HI PIN 3 -- POT. LO POT. 5K OHM Speed Controller Control Board WHT/BRN VIO/BLK Valve, Solenoid FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 39 ™...

  • Page 42: Troubleshooting Guide

    Remove the two Hex Screws (G) that secure the valve to the solution tank. Then pull the valve body towards the rear separating it from the solution inlet Hose (H), completing the part removal. 40 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 43: Solution System

    DISC MACHINE SOLUTION PLUMBING DETAIL • Top of Hose (L) uses a .109” diameter hole in the center. This prevents unbalanced solution fl ow. FIGURE 4 FRONT FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 41 ™...

  • Page 44: Recovery System

    The vacuum system uses a shutoff fl oat to prevent the tank from being overfi lled and stops any water from being sucked into the vacuum motor. The Adgressors / BR 850S & 850SC are equipped with a feature that will automatically shut off the vacuum and scrub systems and display “FULL”...

  • Page 45: Vacuum Motor Circuit Overview

    Sw, Seat Sw, Spst Thermistor Interface Control Board Speed Controller J2-8 WHT/BRN WHT/BRN GRA/BLK Vacuum Solenoid Coil Contact N.o. OPTIONAL Motor, Vac Motor, Vac FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 43 ™...

  • Page 46: Troubleshooting Guide

    fl ush with water. The cage is a two piece design and can be snapped apart to separate. Note: Another method of accessing the cage fl oat for servicing is to remove the (6) (B) Screws and remove the vacuum duct housing (C) from the recovery tank top opening. 44 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 47: Recovery Tank Removal

    * Service Note: The hinged Tank Cover (D) can easily be separated from the vacuum Duct Cover (C) by removing the slotted Pin (N) (by using a fl at bladed screwdriver). FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 45 ™...

  • Page 48: Squeegee System

    (05, 19, or 20) *Reference the main control board troubleshooting guide in the Electrical System of this manual for specifi c fault descriptions & service repair actions. 46 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 49: Squeegee Lift Actuator Motor Removal

    (E) and mounting pin (F) to allow complete removal of lift cable. Reassemble in reverse order and test for proper raise and lower functions. FRONT FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 47 ™...

  • Page 50: Squeegee System

    fl oor evenly across its entire width. Re-tighten by hand the Lock Wing Nut (J). FRONT Grease FIGURE 3 fittings 48 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 51: Electrical System

    Connect the battery pack connector to the Machine Battery Connector (22) and close the operator’s seat platform. *Note: Removal of the recovery tank can make battery installation easier. FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 49 ™...

  • Page 52: Description Of The Battery Low Voltage Cutout Feature

    fi ller tubes. WARNING! Do not fi ll the batteries before charging. Only charge batteries in a well-ventilated area. Do not smoke while servicing the batteries. 50 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 53: Battery Maintenance

    The chart below shows the approximate “percent charged” of an electric vehicle battery at various specifi c gravity values, corrected to 80°F (26.7°C). APPROXIMATE STATE OF CHARGE 1.265 Initial Charged Full Charge 100% 1.265 1.225 1.190 1.155 Discharged 1.120 FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 51 ™...

  • Page 54: Actuator Drive Nut Adjustment

    Service Tip Note: Use the above power cord adapter to help position the drive nut (in or out) for ease in actuator motor installations. FIGURE 3 3/32" 3-3/8" (2mm) (86mm) 52 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 55: Actuator Drive Nut Adjustment

    OUT (extended) position for machine installation. 3-5/8" (92mm) FIGURE 5 Pin Pocket FRONT FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 53 ™...

  • Page 56: Curtis Speed Control

    “Clear Diagnostic History” is the top line in the display, and then press MORE INFO again. The programmer will prompt you to acknowledge or cancel. See the CURTIS PROGRAMMER MANUAL 56043101 for more detail on programmer operation. 54 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...
  • Page 57 Fwd/Rev drive pedal before turning on the main key switch or activating the throttle before sitting on the seat. This can be cleared by returning the operator’s drive pedal to neutral and cycling the key switch OFF and ON. FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 55 ™...

  • Page 58: Installation Checkout For The Curtis Speed Controller

    Cycle each switch in turn, observing the programmer. Each input should show the correct state on the programmer. Take the vehicle off the blocks and drive it in an open area. It should have smooth acceleration and good top speed. 56 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 59: Programming Vehicle Speed Changes

    Optional Curtis handheld programmer allows you to program, test and diagnose Curtis controllers. Use of a handheld programmer is described more fully in the CURTIS PROGRAMMER MANUAL 56043101. FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 57 ™...

  • Page 60: Main Control Board Functional Overview

    6. Check excessive belt tension and idler bearing (cyl.). *** See the Main Control Board Special Program Options section to activate the Brush Type Selection function. 58 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 61: Main Controller Error Codes

    • With low resistance there is an excessive amount of current. • The excessive current will either melt the wires or open a fusible link. FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 59 ™...

  • Page 62: Main Controller Service Test Mode

    Scrub Pressure / Hourmeter Display Solution System Indicator Wand Switch Indicator Solution Switch Wand Switch Battery Condition Yellow Indicator Key Switch Battery Condition Green Indicator 60 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 63: Output Controls

    Brief Off Green Flash – Brush motor output is on and brush motor current is not being sensed (abnormal condition). Flashing Red – Brush motor overload has occurred. FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 61 ™...
  • Page 64 Brief Off Green Flash - Vacuum motor output is on and vacuum motor current is not being sensed (abnormal condition). Flashing Red – Vacuum motor overload has occurred. 62 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...
  • Page 65 Brief Off Green Flash – Speed control mode 2 is selected (scrub speed). Wand Switch (I): This switch does not control any output functions. Pressing this switch will illuminate the wand indicator. FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 63 ™...

  • Page 66: Main Control Board Special Program Options

    FACTORY DEFAULT: S (STANDARD) The Adgressor – BR 850S and BR 850CS are equipped with a low voltage cutout feature to prevent over-discharging the batteries. This feature will automatically shut down the scrub system when the battery voltage falls to the selected threshold. The cutout level is adjustable. The standard setting is 31 volts (1.72 volts per cell) and the alternate setting is 32.5 volts (1.81 volts per cell).
  • Page 67 FACTORY DEFAULT: MODE = 3 (PRESSURE INCREASE/DECREASE MODE), LIMIT = 3 (MAXIMUM) The scrub system switches on the Adgressor/BR 850S and 850CS can be programmed to operate a number of different ways. The operation of the scrub mode switches is described in the user manual. Following is a description of how to program the control for each mode of operation: Operation mode 0: Two fi...
  • Page 68 27.5 30.0 32.5 35.0 3520C / 3820C (All Cyl.) (2) 3/4 HP 3520D / 3820D (Disc) (3) .6 HP * Values given are approximate. 66 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...
  • Page 69 FACTORY DEFAULT: ON The Adgressor/BR 850S and 850CS are equipped with a feature that will automatically shut off the vacuum and scrub systems and display “FULL” on the status display if the recovery tank becomes fi lled. If problems are encountered with the vacuum automatic shutoff feature, such as the vacuum shutting off even if the recovery tank is not full, this feature can be turned off (see also, vacuum auto-shutoff threshold adjustment).
  • Page 70 To save the new setting turn the main power key switch to the off position. The new setting will be saved and will remain in effect until it is changed again. 68 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...
  • Page 71 FACTORY DEFAULT: ON The control system on the Adgressor/BR 850S and 850CS are programmed to limit the maximum speed while scrubbing to a value less than that allowed for driving when not scrubbing. The speed select switch on the control panel will override this speed limit feature and allow scrubbing at maximum speed.
  • Page 72 FACTORY DEFAULT: 1 (10 MINUTES) If the Adgressor/BR 850S and 850CS are left in an idle state for a period determined by the sleep delay setting the control unit will automatically raise the scrub deck, raise the squeegee, and turn off any accessories. This is to conserve battery power. The sleep period is adjustable from 10 to 90 minutes in 10 minute increments.
  • Page 73 FACTORY DEFAULT: 0 (OFF) The Adgressor/BR 850S and BR850CS are equipped with an audible warning device which functions as a horn, a back-up alarm, and a forward annunciator. The volume of the back-up alarm can be adjusted to one of ten settings. 1 is the minimum setting and 9 is the maximum setting, 0 is off.
  • Page 74 ELECTRICAL SYSTEM Drive Motor Breakdown 72 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™...

  • Page 75: Electrical Component Location (Before Serial Number Chart)

    Motor, Vacuum Motor, Vacuum (Optional) Motor, Gearbox Assembly (Disc) or Motor, Brush (Cyl) Motor, Brush (Cylindrical only) Potentiometer, 5K Switch, Key Switch, Seat revised 9/05 FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS - 73 ™...

  • Page 76: Wiring Diagram (Before Serial Number Chart)

    ELECTRICAL SYSTEM WIRING DIAGRAM / SCHEMATIC FOR Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™ 1 AWG (before Serial Number Chart) FUSE, 150 A. BATTERY, 36 Vdc 8 AWG BRN/BLK Item Description CONTACT N.O. CIRCUIT BREAKER, 70 AMP...

  • Page 77: Wiring Schematic (Before Serial Number Chart)

    SCHEMATIC FOR ADGRESSOR / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS (before Serial Number Chart) ™ ELECTRICAL SYSTEM ORN/RED 20-1 ORN/RED 20-1 BRN/WHT 20-1 BRN/WHT 20-1 BRN 18-1 VIO 20-2 VIO 20-2 BRN 16-1 BLU/BLK 20-1 BLU/BLK 20-1 SW, SPST KEY...

  • Page 78: Wiring Diagram (After Serial Number Chart)

    ELECTRICAL SYSTEM WIRING DIAGRAM / SCHEMATIC FOR FUSE, 150 A. BATTERY, 36 Vdc Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS ™ BRN/BLK (after Serial Number Chart) CIRCUIT BREAKER, 70 AMP CONTACT N.O. BRN/YEL Item Description CIRCUIT BREAKER, 10 AMP...

  • Page 79: Wiring Schematic (After Serial Number Chart)

    SCHEMATIC FOR ADGRESSOR / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS (after Serial Number Chart) ™ ELECTRICAL SYSTEM ORN/RED 20-1 ORN/RED 20-1 BRN/WHT 20-1 BRN/WHT 20-1 BRN 18-1 VIO 20-2 VIO 20-2 BRN 16-1 BLU/BLK 20-1 BLU/BLK 20-1 SW, SPST KEY...

  • Page 80: Electrical Component Location (After Serial Number Chart)

    Motor, Gearbox Assy (Disc) or Motor, Brush (Cyl) Motor, Gearbox Assy (Disc only) Pump, Solution (AXP/EDS) Pump, Chemical (AXP/EDS) Potentiometer, 5K Switch, Key Switch, Seat 78 - FORM NO. 56043097 / Adgressor / BR 850S, 850CS, 950S, 950CS, 1050S, 1050CS revised 5/06 ™...
  • Page 82 www.nilfi sk-advance.com © 2006...

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