Multi Pro 5700 - Toro

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Troubleshooting For effective troubleshooting and repairs, there must be a good understanding of the electrical circuits and components used on the Sonic Boom System (see Sonic Boom System Operation in this chapter). NOTE: When troubleshooting an electrical problem on your Sonic Boom System, refer to information regarding the sonic boom light in this section. Also, use the Diagnostic Display (see Special Tools in this chapter) to test electronic control unit (ECU) inputs and outputs. Sonic Boom Light The Sonic Boom System is designed to automatically adjust the sprayer boom height if changes in the turf surface are detected. The sonic boom light should be illuminated whenever the vehicle ignition switch is ON and the sonic boom switch is in either the automatic or manual position. 1 2 The sonic boom light flashing quickly indicates that the Sonic Boom System is in the calibration mode. This mode allows the spray booms to be adjusted for the desired boom height. The calibration mode lasts for twenty (20) seconds after which the boom light should quit flashing. Figure 6 1. MP 5700 dash 2. Boom light location NOTE: A sequence of switch movements is necessary to engage the calibration mode. Refer to the Sonic Boom Kit Installation Instructions for this sequence. The sonic boom light flashing slowly indicates that a system error has been encountered. If the boom light is flashing slowly, lower the affected boom(s) with the boom actuator switch(es) to clear the error. If the error continues, there may be an issue with the Sonic Boom System electronic control unit (ECU). If this occurs, see Diagnostic Display and Troubleshooting Chart in this section. Sonic Boom Calibration The Sonic Boom sensor calibration process is critical to the correct operation of the Sonic Boom System. The calibration process establishes the sensor target distance between the boom and the turf surface. Typically, this distance is approximately twenty (20) inches. Steps needed for proper calibration are identified in the Sonic Boom Kit Installation Instructions. While calibrating the Sonic Boom sensors, it is best to perform the calibration process on turf. A shiny surface (e.g. cement shop floor) can skew sensor signals. Also, ensure the calibration area is free of buildings, trees, underground plumbing and other machines that could interfere with sensor signals. Sonic Boom System (Optional Kit) Page 7.1 - 16 Multi Pro 5700--D
Diagnostic Display The Sonic Boom System is equipped with an electronic control unit (ECU) which controls machine sonic boom electrical functions. The ECU monitors various input switches (e.g. boom actuator switches, sonic boom sensors) and energizes outputs to actuate relays for appropriate machine functions. For the ECU to control the machine as desired, each of the inputs (switches and sensors) and outputs (relays) must be connected and functioning properly. The Diagnostic Display (see Special Tools in this chapter) is a tool to help the technician verify correct electrical functions of the machine. IMPORTANT: The Diagnostic Display must not be left connected to the machine. It is not designed to withstand the environment of the machine’s every day use. When use of the Diagnostic Display is completed, disconnect it from the machine and reconnect loopback connector to harness connector. The machine will not operate without the loopback connector installed on the harness. Store the Diagnostic Display in a dry, secure, indoor location and not on machine. Verify Diagnostic Display Input Functions 1. Park vehicle on a level surface, stop the engine and apply the parking brake. 2. Locate Sonic Boom wire harness communication port and loopback connector under the vehicle dash panel. Carefully unplug loopback connector from harness connector. 3. Connect the Diagnostic Display connector to the wire harness connector. Make sure correct overlay decal is positioned on the Diagnostic Display (Fig. 7). 4. Turn the vehicle ignition switch to the ON position, but do not start vehicle. NOTE: The red text on the Diagnostic Display overlay decal refers to input switches and the green text refers to ECU outputs. 5. Make sure that the “INPUTS DISPLAYED” LED, on lower right column of the Diagnostic Display, is illuminated. If “OUTPUTS DISPLAYED” LED is illuminated, press the toggle button on the Diagnostic Display to change to “INPUTS DISPLAYED” LED. CAUTION When testing ECU inputs with the Diagnostic Display, boom actuators may be energized causing the spray booms to move. Be cautious of potential sprayer component movement while verifying inputs with the Diagnostic Display. 6. The Diagnostic Display will illuminate the LED associated with each of the inputs when that input switch is closed. Individually, change each of the switches from open to closed (e.g. toggle sonic mode switch), and note that the appropriate LED on the Diagnostic Display will illuminate when the corresponding switch is closed. Repeat on each switch that is possible to be changed by hand (see Inputs and LED Operation chart on following page). 7. If appropriate LED does not toggle on and off when switch state is changed, check all wiring and connections to that switch and/or test switch. Replace any defective switches and repair any damaged wiring. 8. After input functions testing is complete, disconnect the Diagnostic Display connector from the harness connector and plug loopback connector into wire harness. Sonic Boom System Figure 7 Multi Pro 5700--D Page 7.1 - 17 Sonic Boom System (Optional Kit)
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PART NO. 04130SL (Rev. D) Service M
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Table Of Contents Chapter 1 - Safet
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Table Of Contents (Continued) Chapt
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Chapter 1 Safety Safety Table of Co
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Maintenance and Service 1. Before s
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Chapter 2 Product Records and Maint
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Torque Specifications Recommended f
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Standard Torque for Dry, Zinc Plate
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Maintenance Maintenance procedures
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Chapter 3 Kubota Diesel Engine Tabl
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Kubota Diesel Engine This page is i
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DANGER Because diesel fuel is highl
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Removal (Fig. 4) NOTE: For air clea
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Installation (Fig. 6 or 7) 1. Insta
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6. Disconnect throttle cable from e
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CAUTION Exhaust system components m
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15.Check engine oil level and adjus
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Chapter 4 Hydraulic System Table of
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Specifications Item Piston (Tractio
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SAE Straight Thread O -Ring Port -
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This page is intentionally blank. H
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Hydraulic Flow Circuits Traction Ci
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Spray Pump Drive Circuit A single s
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O -Ring Kit Toro Part Number: 16 -3
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Machine travels too far before stop
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Traction Circuit Charge Pressure Te
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Gear Pump Flow Test Output from the
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Steering Control Valve and Steering
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Wheel Motor Efficiency: Case Drain
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Adjustments Adjust Traction Pedal f
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Service and Repairs General Precaut
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Charge Hydraulic System NOTE: When
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Removal (Fig. 26) 1. Park machine o
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Hydraulic System This page is inten
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3. Operate all hydraulic controls t
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Manual Servo Control Assembly 44 to
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Hydraulic System This page is inten
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Relief Valve Removal 1. Park machin
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Removal (Fig. 45) 1. Park the machi
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CAUTION The centering springs are u
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Disassembly (Fig. 52) 1. Remove oil
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Chapter 5 Electrical System Table o
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Special Tools Order these special t
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Starting Problems (continued) Probl
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Component Testing For accurate resi
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Headlight Switch The headlight swit
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Brake Pedal Switch The brake pedal
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Indicator Lights High Temperature W
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Accessory Solenoid The accessory so
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Spray Pump, Agitation and Boom Cont
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Pulse Width Modulated (PWM) Valve S
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Relays The Multi Pro 5700-D uses th
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Fuel Stop Solenoid The fuel stop so
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Fuel Pump The fuel pump is attached
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Service and Repairs NOTE: See the K
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Cruise Control Coil Removal (Fig. 4
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Battery Service The battery is the
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H. Using the table below, determine
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Chapter 6 Spray System Table of Con
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General Information Precautions Con
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Spray System Operation The Multi Pr
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Erratic spray operation from booms.
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Pressure Dampener The pressure damp
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5. Remove lock nuts, flat washers,
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Disassembly (Fig. 9) IMPORTANT: Mak
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IMPORTANT: Make sure to remove and
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IMPORTANT: Make sure to remove and
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4. If boom valve motor assembly is
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IMPORTANT: Boom valve motors may ha
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IMPORTANT: The agitation valve moto
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4. Remove rear housing cover from v
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Boom and Agitation Valve Motor Serv
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Disassembly (Fig. 30) IMPORTANT: Ma
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NOTE: If suction tube in tank devel
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Page 167 and 168: Turret Body Service Disassembly (Fi
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Page 171 and 172: Assembly (Fig. 41) 1. If pivot brac
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Page 179 and 180: Actuator Oil Level Under normal con
Page 181 and 182: Chapter 7 Chassis Table of Contents
Page 183 and 184: Service and Repairs Tie Rod Ends Re
Page 185 and 186: Removal (Fig. 3) 1. Park machine on
Page 187 and 188: Disassembly (Fig. 4) 1. Park machin
Page 189 and 190: Disassembly (Fig. 5) 1. Park machin
Page 191 and 192: 3. Chock front wheels and jack up r
Page 193 and 194: Brake Cables Removal 1. Remove brak
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Page 197 and 198: NOTE: The planetary wheel drive ass
Page 199 and 200: Table of Contents GENERAL INFORMATI
Page 201 and 202: Special Tools Diagnostic Display Th
Page 203 and 204: Sonic Boom System This page is inte
Page 205 and 206: Sprayer Operation on Level Turf Dur
Page 207 and 208: Downward Slope in Turf Encountered
Page 209 and 210: Rise in Turf Encountered During spr
Page 211 and 212: Boom Level Changed by Operator Duri
Page 213: Manual Boom Operation During spraye
Page 217 and 218: Verify Diagnostic Display Output Fu
Page 219 and 220: Problem One of the boom actuators w
Page 221 and 222: Relays The Sonic Boom System uses s
Page 223 and 224: Sonic Sensor Two (2) identical soni
Page 225 and 226: Chapter 8 Electrical Diagrams Table
Page 227 and 228: R/BK IGNITION SWITCH OFF RUN START
Page 229 and 230: All relays and solenoids are shown
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Page 239 and 240: RED ORANGE GREEN/RED GREEN/RED PINK
Page 241 and 242: RED RED BROWN BROWN BROWN PINK PINK
Page 243 and 244: Rev. D Page 8 - 19 Multi Pro 5700--
Page 245 and 246: WHITE RED GREEN YELLOW GREEN YELLOW
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Multi Pro 5700 - Toro

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