Multi Pro 5700 - Toro

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Hydraulic Schematic STEERING CYLINDER FLOW DURING RIGHT TURN STEERING VALVE T = TANK R = WORKING PRESSURE L = WORKING PRESSURE P = PRESSURE (3 GPM) (0 -1000PSI) (3 GPM) (0 -75 PSI) F L R T OIL COOLER RADIATOR PRIORITY FLOW RELIEF VALVE KUBOTA DIESEL ENGINE PISTON PUMP UPPER LOWER (0 -20 PSI) (12.5 GPM) (0 -20 PSI) MAIN RETURN SPRAY PUMP HYDRAULIC MOTOR (9.5 GPM) (0 -75 PSI) (0 -9.5 GPM) EX (9.5 GPM SECONDARY FLOW) (0 -1500 PSI) IN CF IN = PRESSURE CF = CONTROLLED NOMINAL SPRAYER FLOW EX = BYPASS PULSE WIDTH MODULATED VALVE SECONDARY FLOW CHARGE WHEEL MOTOR PUMP PRESSURE (CHARGE PUMP PRESSURE) FLOW DURING FORWARD MOTION FILTER GEAR PUMP TO REMOTE CHARGE PORT (5.8 GPM) (275 PSI) FLOW DURING FORWARD MOTION CASE DRAIN (0 -17 GPM MAX) MAIN PRESSURE (0 -4000 PSI) (13 GPM VAC) (5.8 GPM VAC) WHEEL MOTOR HYDRAULIC RESERVOIR NOTE: FLOWS SHOWN ARE AT FULL ENGINE SPEED (3100 RPM), FORWARD MOTION AND TURNING TO THE RIGHT Hydraulic System Page 4 - 8 Multi Pro 5700--D
Hydraulic Flow Circuits Traction Circuit The traction circuit piston pump is a variable displacement pump that is directly coupled to the engine flywheel. Pushing the top of the traction pedal rotates the pump swash plate to create a flow of oil for forward machine movement. Pushing the bottom of the traction pedal rotates the pump swash plate to cause oil flow for reverse machine movement. This oil is directed to the rear wheel motors. Operating pressure on the high pressure side of the closed traction circuit loop is determined by the amount of load developed at the fixed displacement wheel motors. As the load increases, circuit pressure can increase to relief valve settings: 4000 PSI in either forward or reverse. If pressure exceeds the relief setting, oil flows through the relief valve to the low pressure side of the closed loop circuit. Traction circuit pressure (forward or reverse) can be measured by installing a tee fitting and gauge into the traction system hydraulic lines. The piston (traction) pump and wheel motors use a small amount of hydraulic oil for internal lubrication. Oil is designed to leak across pump and motor parts into the case drain. This leakage results in the loss of hydraulic oil from the closed loop traction circuit that must be replaced. The piston (traction) pump incorporates a charge pump that provides make–up oil for the traction circuit. This gerotor gear pump is driven by the piston pump drive shaft. It provides a constant supply of charge oil to the traction circuit to make up for oil that is lost due to internal leakage in the piston pump and wheel motors. Charge pump flow is directed through the oil filter and to the low pressure side of the closed loop traction circuit. Pressure in the charge circuit is limited by a relief valve located in the charge plate adapter on the rear of the piston pump. Charge pump pressure can be measured at the auxiliary test port on the side of the piston pump. Hydraulic System Multi Pro 5700–D Page 4 – 9 Hydraulic System
Page 1 and 2: PART NO. 04130SL (Rev. D) Service M
Page 3 and 4: Table Of Contents Chapter 1 - Safet
Page 5 and 6: Table Of Contents (Continued) Chapt
Page 7 and 8: Chapter 1 Safety Safety Table of Co
Page 9 and 10: Maintenance and Service 1. Before s
Page 11 and 12: Chapter 2 Product Records and Maint
Page 13 and 14: Torque Specifications Recommended f
Page 15 and 16: Standard Torque for Dry, Zinc Plate
Page 17 and 18: Maintenance Maintenance procedures
Page 19 and 20: Chapter 3 Kubota Diesel Engine Tabl
Page 21 and 22: Kubota Diesel Engine This page is i
Page 23 and 24: DANGER Because diesel fuel is highl
Page 25 and 26: Removal (Fig. 4) NOTE: For air clea
Page 27 and 28: Installation (Fig. 6 or 7) 1. Insta
Page 29 and 30: 6. Disconnect throttle cable from e
Page 31 and 32: CAUTION Exhaust system components m
Page 33 and 34: 15.Check engine oil level and adjus
Page 35 and 36: Chapter 4 Hydraulic System Table of
Page 37 and 38: Specifications Item Piston (Tractio
Page 39 and 40: SAE Straight Thread O -Ring Port -
Page 41: This page is intentionally blank. H
Page 45 and 46: Spray Pump Drive Circuit A single s
Page 47 and 48: O -Ring Kit Toro Part Number: 16 -3
Page 49 and 50: Machine travels too far before stop
Page 51 and 52: Traction Circuit Charge Pressure Te
Page 53 and 54: Gear Pump Flow Test Output from the
Page 55 and 56: Steering Control Valve and Steering
Page 57 and 58: Wheel Motor Efficiency: Case Drain
Page 59 and 60: Adjustments Adjust Traction Pedal f
Page 61 and 62: Service and Repairs General Precaut
Page 63 and 64: Charge Hydraulic System NOTE: When
Page 65 and 66: Removal (Fig. 26) 1. Park machine o
Page 67 and 68: Hydraulic System This page is inten
Page 69 and 70: 3. Operate all hydraulic controls t
Page 71 and 72: Manual Servo Control Assembly 44 to
Page 75 and 76: Hydraulic System This page is inten
Page 79 and 80: Relief Valve Removal 1. Park machin
Page 83 and 84: Removal (Fig. 45) 1. Park the machi
Page 85 and 86: CAUTION The centering springs are u
Page 89 and 90: Disassembly (Fig. 52) 1. Remove oil
Page 93 and 94:
Removal (Fig. 54) 1. Park the machi
Page 95 and 96:
Chapter 5 Electrical System Table o
Page 97 and 98:
Special Tools Order these special t
Page 99 and 100:
Starting Problems (continued) Probl
Page 101 and 102:
Component Testing For accurate resi
Page 103 and 104:
Headlight Switch The headlight swit
Page 105 and 106:
Brake Pedal Switch The brake pedal
Page 107 and 108:
Indicator Lights High Temperature W
Page 109 and 110:
Accessory Solenoid The accessory so
Page 111 and 112:
Spray Pump, Agitation and Boom Cont
Page 113 and 114:
Pulse Width Modulated (PWM) Valve S
Page 115 and 116:
Relays The Multi Pro 5700-D uses th
Page 117 and 118:
Fuel Stop Solenoid The fuel stop so
Page 119 and 120:
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
Page 127 and 128:
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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This page is intentionally blank. S
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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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Disassembly (Fig. 33) IMPORTANT: Ma
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Disassembly (Fig. 37.1) IMPORTANT:
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Turret Body Service Disassembly (Fi
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Disassembly (Fig. 38) 1. Park machi
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Assembly (Fig. 41) 1. If pivot brac
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Adjustment 1. Loosen end nut that s
Page 175 and 176:
Disassembly (Fig. 47) 1. Remove fou
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Removal (Fig. 48) 1. Park machine o
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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
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Removal (Fig. 3) 1. Park machine on
Page 187 and 188:
Disassembly (Fig. 4) 1. Park machin
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Disassembly (Fig. 5) 1. Park machin
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3. Chock front wheels and jack up r
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Brake Cables Removal 1. Remove brak
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Removal (Fig. 13) 1. Park machine o
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NOTE: The planetary wheel drive ass
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Table of Contents GENERAL INFORMATI
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Special Tools Diagnostic Display Th
Page 203 and 204:
Sonic Boom System This page is inte
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Sprayer Operation on Level Turf Dur
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Downward Slope in Turf Encountered
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Rise in Turf Encountered During spr
Page 211 and 212:
Boom Level Changed by Operator Duri
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Manual Boom Operation During spraye
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Diagnostic Display The Sonic Boom S
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Verify Diagnostic Display Output Fu
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Problem One of the boom actuators w
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Relays The Sonic Boom System uses s
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Sonic Sensor Two (2) identical soni
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Chapter 8 Electrical Diagrams Table
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R/BK IGNITION SWITCH OFF RUN START
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All relays and solenoids are shown
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Page 233 and 234:
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PINK PINK GRAY GRAY GRAY GRAY VIOLE
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PINK PINK ORANGE RED RED/BLACK RED
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RED ORANGE GREEN/RED GREEN/RED PINK
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RED RED BROWN BROWN BROWN PINK PINK
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Rev. D Page 8 - 19 Multi Pro 5700--
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WHITE RED GREEN YELLOW GREEN YELLOW
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Rev. D Page 8 - 23 Multi Pro 5700--
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Multi Pro 5700 - Toro

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