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Toro
Paint Sprayer
Multi Pro 1750
Toro Multi Pro 1750 Service Manual
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Multi Pro 1750
Hydraulic System
Page 4 − 9
Hydraulic Schematic
Hydraulic Schematic
Multi Pro 1750
TRANSAXLE/RESERVOIR
3400 / 1400 RPM
27 HP
25 PSI
100 Mesh Screen
4.3 CID
1.625” Bore
1.00” Rod
4.69” Stroke
OR1
.036”
OR2
.036”
OR4
.036”
OR3
.036”
0.26
1.75” Bore
1.125” Rod
10.06” Stroke
1000 PSI
T
P
C2
C1
C3
C4
RETRACT T
O
RAISE
3.7 GPM
1.75” Bore
1.125” Rod
10.06” Stroke
STEERING CONTROL
VA
LV
E
BOOM LIFT MANIFOLD
ENABLE
VA
LV
E
LR
E
T
P
RH CYLINDER
LH CYLINDER
S1
PC1
PC2
S3
S2
TOP
COIL
TOP
COIL
BOTTOM
COIL
BOTTOM
COIL
HYDRAULICS
1
2
OIL
FIL
TER
G
Hydraulic
System
56
58
Table of Contents
Chapter 1 Safety
9
Table of Contents
9
Before Operating
10
Safety Instructions
10
While Operating
10
Maintenance and Service
11
Jacking Instructions
12
Safety and Instruction Decals
12
Chapter 2 Product Records and Maintenance
13
Equivalents and Conversions
14
Product Records
14
Torque Specifications
15
Fastener Identification
15
Using a Torque Wrench with an Offset Wrench
15
Standard Torque for Dry, Zinc Plated and Steel Fasteners (Inch Series Fasteners)
16
Standard Torque for Dry, Zinc Plated and Steel Fasteners (Metric Fasteners)
17
Other Torque Specifications
18
Conversion Factors
18
Chapter 3 Kohler Gasoline Engine
19
Specifications
20
General Information
21
Special Tools
22
Troubleshooting
23
Clutch
23
Adjustments
25
Adjust Engine Speed
25
Adjust Choke Cable
26
Adjust Clutch Cable
27
Service and Repairs
28
Cooling System
28
Fuel System
30
Carbon Canister
32
Exhaust System
34
11. Engine and Pump Mounting Plate
36
Engine
40
Chapter 4 Hydraulic System
49
Specifications
50
General Information
52
Operator's Manual
52
Relieving the Hydraulic System Pressure
52
Hydraulic Hoses
53
Hydraulic Fittings
55
Hydraulic Schematic
57
Hydraulic Flow Diagrams
58
Steering Circuit
59
Spray Boom Lift/Lower Circuit
61
Special Tools
62
Troubleshooting
64
Testing
67
Hydraulic Pump Flow and Relief Pressure Test
69
Steering Control Valve and Steering Cylinder Test
72
Checking the Hydraulic Lines and Hoses
74
General Precautions for Removing and Installing Hydraulic System Components
74
Service and Repairs
74
Flushing the Hydraulic System
75
Hydraulic Pump
76
Hydraulic Pump Service
78
Steering Control Valve
82
Steering Control Valve Service
84
Steering Cylinder
86
Steering Cylinder Service
88
Hydraulics Enable Valve
90
Hydraulics Enable Valve Service
90
Boom Lift Control Manifold
92
Boom Lift Control Manifold Service
94
Cartridge Valve Service
96
Boom Lift Cylinders
98
Boom Lift Cylinder Service
100
Chapter 5 Electrical System
103
General Information
104
Operator Manual
104
Electrical Drawings
104
Toro Electronic Controller (TEC)
104
Can−Bus Communications
104
Special Tools
105
Traction Speed Sensor Test Harness
107
Flow Meter Sensor Test Harness
108
Infocenter Display
109
Infocenter Display Screens
109
Splash Screen
111
Main Information Screen
112
Application Record Screens
113
Spray Tank Volume Screen
114
Main Menu Screen
115
Calibration Screen
115
Settings Screen
116
Service Screens
118
Diagnostics Screen
119
About Screen
120
Troubleshooting
122
Operator Advisory Screen
122
Operator Advisories
123
Using the Infocenter Display for Troubleshooting
124
Fault Codes
126
Starting Problems
128
General Run Problems
129
Electrical System Quick Checks
130
Battery Test (Open Circuit Test)
130
Charging System Test
130
Check Operation of Interlock System
130
Component Testing
132
Fusible Link Harness
132
Fuses
133
Toro Electronic Controller (TEC)
134
Ignition Switch
136
Operator Seat Switch
137
Parking Brake Switch
138
Clutch Switch
139
Throttle Home Switch
139
Service Brake Switch
139
Neutral Switch
140
Traction Speed Sensor
141
Traction Speed Sensor
142
Master Boom (Spray Enable) Switch
143
Boom Spray Switches
144
Boom Spray Switches
145
Agitation Switch
146
Spray Pump Switch
146
Application Rate (Spray Pressure) Switch
147
Supervisor Key Switch
148
Boom Lift Switches
149
Speed/Throttle Lock Switch
150
Headlight Switch
151
Brake Pressure Switch
152
Relays with Four (4) Terminals
153
Relays with Five (5) Terminals
154
Speed/Throttle Lock Coil
156
Pump Drive Electric Clutch
157
Spray System Valve Actuators
158
Spray System Valve Actuators
159
Hydraulic Solenoid Valve Coils
160
Can−Bus Terminator Resistors
161
Diode Assemblies
161
Flow Meter Sensor
162
Tank Clean Rinse Kit Switch (Optional)
163
Foam Marker Kit ON/OFF Switch (Optional)
164
Foam Marker Kit Control Switch (Optional)
165
Electric Hose Reel Kit Switch (Optional)
166
Battery Care
167
Battery Storage
167
Service and Repairs
167
Battery Service
168
Flow Meter Sensor
171
Headlights
172
Pump Drive Electric Clutch
173
Chapter 6 Spray System
175
General Information
176
Operator's Manual
176
Precautions Concerning Chemicals Used in Spray System
176
Precautions for Removing or Adjusting Spray System Components
176
Specifications
176
Spray System Operation
177
Spray System Flow Diagrams
178
Troubleshooting
180
Adjustments
182
Adjust Spray Pump Drive Belt
182
Spray Pump Drive Belt
184
Spray Pump
187
Spray Pump Service
188
Spray System Components (Serial Number below 315000000)
192
Spray System Components (Serial Number above 315000000)
193
Pressure Relief Valve
193
Flowmeter
200
Flowmeter Service
202
Control Valve Service
208
Control Valve Service
209
Bypass Valve Service (Serial Number above 315000000)
211
Agitation Throttle Valve (Serial Number above 315000000)
213
Agitation Hose Assembly
214
Bypass Fittings in Tank
215
Suction Tube and Strainer
216
Tank Drain Assembly
218
Spray Tank
220
Turret Bodies
222
Turret Body Service
223
Spray Boom Hinge
224
Chapter 7 Drive Train
227
Drive Train Operation
229
General Information
229
Operator's Manual
229
Troubleshooting
230
Adjustments
232
Adjusting Shift Cables
232
Adjusting Differential Lock Cable
232
Control Cable Replacement
234
Rear Wheel Driveshafts
241
Transaxle Driveshaft
241
Driveshaft Cross and Bearing Service
241
Transaxle
242
Transaxle Removal
243
Transaxle Installation
245
Transaxle Service
247
Transaxle Disassembly
247
Transaxle Inspection
258
Transaxle Assembly
262
Chapter 8 Chassis
279
Specifications
280
General Information
281
Operator's Manuals
281
Parts Catalogs
281
Special Tools
282
Troubleshooting
283
Adjustments
286
Adjusting Service Brake Pedal
286
Adjusting Front Suspension
287
Service and Repairs
288
Wheel Assemblies
288
Front Brakes
289
Rear Brakes
290
Service Brake Caliper Service
292
Parking Brake Caliper Service
294
Brake Lines
295
Parking Brake Cables
296
Brake Master Cylinder Service
298
Bleeding Brake System
299
Front Wheel Hubs
300
Rear Wheel Hubs
302
Front Suspension
304
Front Shock Absorber Service
306
Steering Assembly
308
Tie Rod End Replacement
310
Chapter 9 Ultra Sonic Boom Kit (Optional)
311
General Information
312
Installation Instructions
312
Parts Catalog
312
System Configuration
312
Precautions Concerning Chemicals Used in Spray System
312
Precautions for Removing or Adjusting Spray System Components
313
Hydraulic Schematic
314
Electrical Schematic
315
Ultra Sonic Boom System Operation
316
Sprayer Operation on Level Turf
317
Downward Slope in Turf Encountered
319
Rise in Turf Encountered
321
Boom Level Changed by Operator During Automatic Operation
323
Manual Boom Operation
325
Troubleshooting
326
Ultra Sonic Boom Calibration
326
Ultra Sonic Boom Light
326
Diagnostic Lamp
327
Troubleshooting Chart
328
Service and Repairs
330
Ultra Sonic Boom Fuses
330
Ultra Sonic Boom Switch
331
Diagnostic Lamp
332
Sonic Sensors
333
Toro Electronic Controller (TEC)
336
Can−Bus Termination Resistors
337
Boom Lift Control Manifold
338
Other manuals for Toro Multi Pro 1750
Operator's Manual
76 pages
Installation Instructions
64 pages
4
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Toro Multi Pro 1750 Specifications
General
Brand
Toro
Model
Multi Pro 1750
Category
Paint Sprayer
Language
English
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