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Toro
Lawn Mower
04470
Toro 04470 Service Manual
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Greensmaster
3250
-
-
D
Hydraulic
System
Page
4
-
-
46
Reel
Motor
Case
Drain
Flow
T
est
(Using
T
ester
with
Flowmeter
and
Pressure
Gauge)
RIGHT
MOTOR
RETURN
LEFT
MOTOR
RETURN
LEFT
MO
TOR
CASE
DRAIN
RIGHT
MOTOR
CASE
DRAIN
CENTER
MOTOR
CASE
DRAIN
CENTER
MOTOR
RETURN
CENTER
MOT
OR
RIGHT
MOTOR
LEFT
MOT
OR
FRONT
RIGHT
REEL
(#3)
CENTER
REEL
(#1)
LEFT
FRONT
REEL
(#2)
.73
.73
.73
FROM
MAN
IFOLD
PORT
MA
TO
MA
NI
FO
LD
PORT
MB
TO
HYDRAULIC
RESERVOIR
TESTER
MEASURING
CONT
AINER
CAP
ILLUSTRA
TION
SHOWS
T
EST
FOR
RIGHT
FR
ONT
R
EEL
MOTOR
77
79
Table of Contents
This Page Is Intentionally Blank.
3
Default Chapter
1
Service Manual
1
Table of Contents
3
Safety Instructions 1
5
Chapter 1 -- Safety
6
Safety Instructions
6
Before Operating
6
While Operating
7
Safety and Instruction Decals
8
Maintenance and Service
8
Chapter 2 Product Records and Maintenance
9
Maintenance
9
Product Records
9
Equivalents and Conversions
10
Product Records
10
Torque Specifications
11
Fastener Identification
11
Using a Torque Wrench with an Offset Wrench
11
Standard Torque for Dry, Zinc Plated and Steel Fasteners (Metric Fasteners)
13
Chapter 3 Diesel Engine
15
Adjustments
15
General Information
15
Kubota Workshop Manual, Diesel Engine
15
Specifications
17
Sm--E3B Series
18
Service and Repairs
15
Specifications
15
General Information
18
Operator's Manual
18
Fuel Shut--Off Valve
18
Adjustments 3
18
Adjust Throttle Control
19
Air Cleaner
20
Service and Repairs 3
20
Exhaust System
22
Radiator
24
Fuel Tank
26
Engine
28
Engine Removal
29
Engine Installation
30
Engine Bell Housing
32
Chapter 4 Hydraulic System
33
Specifications 4
33
Specifications
35
General Information
36
Operator's Manual
36
Check Hydraulic System Fluid
36
Towing Traction Unit
37
Hydraulic Hoses
38
Hydraulic Hose and Tube Installation
39
Hydraulic Schematic
42
Hydraulic Flow Diagrams
44
Traction Circuits
45
Raise and Lower Cutting Units
47
Mow and Backlap
49
Right and Left Turn
50
Special Tools
52
Measuring Container
54
Troubleshooting
55
General Hydraulic System Problems
55
Traction Circuit Problems
56
Mow Circuit Problems
57
Lift/Lower Circuit Problems
58
Steering Circuit Problems
59
Testing
60
Precautions for Hydraulic Testing
60
Charge Relief Valve Pressure Test
62
Wheel Motor Efficiency Test
64
Adjustments 4
67
Gear Pump (Rear Section) Flow Test
69
Implement Relief Valve Pressure Test
70
Service and Repairs 4
71
Lower Cutting Units Relief Valve (R2) Pressure Test (Using Tester with Flowmeter and
72
Gear Pump (Front Section) Flow Test (Using Tester with Flowmeter and Pressure
74
Mow Circuit Relief Valve (S1R1) Pressure Test (Using Tester with Flowmeter and
76
Reel Motor Case Drain Flow Test
78
Steering Valve Test
80
Adjustments
82
Service and Repairs
84
General Precautions for Removing and Installing Hydraulic System Components
84
Flush Hydraulic System
85
Filtering Closed--Loop Traction Circuit
86
General Information 5
86
Hydraulic System Start--Up
87
Gear Pump
88
Gear Pump Service
90
Piston (Traction) Pump Neutral Assembly
92
Piston (Traction) Pump
94
Piston (Traction) Pump Service
98
Piston (Traction) Pump Crush Ring Replacement
100
Front Wheel Motors
102
Rear Wheel Motor (if Equipped with 3WD)
104
Wheel Motor Service
106
Cutting Reel Motors
108
Reel Motor Service
110
Oil Cooler (if Equipped)
114
Lift Cylinders
116
Lift Cylinder Service
118
Hydraulic Manifold
120
Hydraulic Manifold Service
122
Hydraulic System
122
Steering Valve
126
Steering Valve Service
128
Steering Cylinder
130
Steering Cylinder Service
132
Hydraulic Reservoir
134
Chapter 5 Electrical System
139
Troubleshooting 5
139
General Information
141
Operator's Manual
141
Electrical Drawings
141
Special Tools
142
Troubleshooting
144
Starting Problems
144
General Run and Transport Problems
146
Cutting Unit Operating Problems
147
Electrical System Quick Checks
148
Battery Test (Open Circuit)
148
Charging System Test
148
Glow Plug System Test
148
Component Testing
149
Ignition Switch
149
Fuse Block
150
Hour Meter
150
Service and Repairs 5
151
Warning Light Cluster
151
Seat Switch
152
Lower Reels Time Delay
153
Diode Circuit Boards
154
Solenoid Valve Coils
155
Neutral and Mow Sensors
156
Parking Brake Sensor
157
Backlap Switch
158
Joystick Raise and Lower Switches
159
Safety Relays
160
Glow Relay
161
Fusible Links
162
Glow Controller
163
High Temperature Shutdown Switch
164
Oil Pressure Switch
165
Fuel Pump
166
Specifications 6
166
Fuel Solenoid
167
Service and Repairs
172
Verify Interlock System Operation
172
Battery Storage
173
Battery Care
173
Battery Service
174
Chapter 6 Chassis
177
General Information 6
177
Specifications
178
General Information
179
Special Tools
179
Service and Repairs
180
Rear Wheel (2WD)
182
Rear Wheel (if Equipped with 3WD)
184
Rear Wheel Hub and Motor Assembly (if Equipped with 3WD)
186
Rear Castor Fork
188
Front Lift Arms
190
Center Lift Arm
192
Chapter 7 Dpa Cutting Units
195
Specifications 7
195
Specifications
196
General Information
197
Cutting Unit Operator's Manual
197
Supporting Cutting Unit When Servicing
197
Special Tools
198
Factors that Can Affect Cutting Performance
200
Service and Repairs 7
200
Setup and Adjustments
204
Set up and Adjustments
204
Characteristics
204
Leveling Rear Roller
205
Service and Repairs
206
Backlapping
206
Bedbar Assembly
208
General Information 8
208
Bedbar Adjuster Service
210
Bedknife Replacement and Grinding
212
Reel Assembly Removal and Installation
214
Reel Assembly Installation
215
Reel Assembly Removal
215
Reel Assembly Service
218
Preparing Reel for Grinding
220
Front Roller
222
Rear Roller
223
Roller Service
224
Chapter 8 Groomer
229
Default Chapter
229
Troubleshooting 8
229
Chapter 4 -- Hydraulic System
230
Specifications
230
Adjustments 8
230
General Information
231
Installation Instructions
231
Troubleshooting
232
Factors Affecting Grooming
232
Grooming Reel Mechanical Problems
233
Adjustments
234
Height/Depth of Groomer Adjustment
234
Service and Repairs
235
Groomer Belt Replacement
235
Grooming Reel
236
Grooming Reel Service
239
Grooming Reel Bearing Replacement
240
Idler Assembly
242
Lift Arm Assembly
244
Groomer Brush
246
Chapter 9 -- Foldout Drawings
247
Electrical Circuit Diagrams
247
Electrical Schematic
247
Hydraulic Schematic
247
Wire Harness Drawing
247
Hydraulic Schematic
249
Electrical Schematic 9
250
Crank Circuits
251
Run Circuits
252
Raise Reels Circuits
253
Lower Reels Circuits
254
Lower Reels (Mow) Circuits
255
Lower Reels (Backlap) Circuits
256
Wire Harness Drawing 9
258
Other manuals for Toro 04470
Operator's Manual
52 pages
Quick Start Guide
2 pages
4
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Toro 04470 Specifications
General
Brand
Toro
Model
04470
Category
Lawn Mower
Language
English
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