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Toro
Lawn Mower
Groundsmaster 7210
Service Manual
Page 8 (Noise, Vibration, and Slope Chart)
Toro Groundsmaster 7210 - Noise, Vibration, and Slope Chart
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Additional
Reference
Materials
YANMAR
TNV
(TIER
4)
SERIES
SERVICE
MANUAL
YANMAR
TNV
(TIER
4)
SERIES
TROUBLESHOOTING
MANUAL
P
ARKER
TORQMOTOR™
SERVICE
PROCEDURE
(TC,
TB,
TE,
TJ,
TF
,
TG,
TH
AND
TL
SERIES)
Preface
Page
8
Groundsmaster
7210
16222SL
Rev
C
7
9
Table of Contents
Main Page
Table of Contents
7
Default Chapter
8
Preface
8
Chapter 1: Safety
9
Safety Instructions
10
Supervisor's Responsibilities
10
Before Operating the Machine
10
While Operating the Machine
11
Maintenance and Service
12
Jacking Instructions
14
Raising the Front of the Machine
14
Raising the Rear of the Machine
15
Safety and Instructional Decals
16
Chapter 2: Specifications and Maintenance
17
Specifications
18
Decimal and Millimeter Equivalents
18
U.S. to Metric Conversions
19
Torque Specifications
20
Identifying the Fastener
20
Calculating the Torque Values When Using a Drive-Adapter Wrench
21
Standard Torque for Dry, Zinc Plated, and Steel Fasteners (Inch Series)
22
Standard Torque for Dry, Zinc Plated, and Steel Fasteners (Metric Fasteners)
23
Other Torque Specifications
24
Conversion Factors
24
Shop Supplies
25
Special Tools
27
Chapter 3: Diesel Engine
33
Specifications
34
General Information
35
Traction Unit Operator's Manual
35
Yanmar Service and Troubleshooting Manuals
35
Engine Electronic Control Unit (ECU)
35
Yanmar Engine
36
Diesel Particulate Filter (DPF)
36
Service and Repairs
40
Air Cleaner System
40
Exhaust System
42
Radiator
45
Fuel System
49
Engine
53
Table of Contents
61
Chapter 4: Hydraulic System
63
Specifications
63
General Information
64
Hydraulic Hoses
64
Installing the Hydraulic Hose and Tube (O-Ring Face Seal Fitting)
65
Installing the Hydraulic Fittings (SAE Straight Thread O-Ring Fitting into the Component Port)
67
Traction Unit Operator's Manual
69
Pushing the Traction Unit
70
Releasing Pressure from the Hydraulic System
71
Traction Circuit (Closed Loop) Component Failure
72
Hydraulic Schematics
73
Traction Circuits
75
Lift Circuit (Raise)
78
Lift Circuit (Lower)
80
PTO Circuit
82
Special Tools
83
Hydraulic Pressure Testing Kit
83
GPM Hydraulic Tester Kit (Pressure and Flow)
83
Hydraulic Test Fitting Kit
84
O-Ring Kit
84
High Flow Hydraulic Filter Kit
85
Hydraulic Hose Kit
85
Remote Starter Switch
86
Troubleshooting
88
General Hydraulic System Problems
88
Traction Circuit Problems
88
PTO Circuit Problems
89
Lift/Lower Circuit Problems
90
Testing the Hydraulic System
91
Testing the Traction System Operation
93
Testing the Charge Relief Valve Pressure (Using Pressure Gauge)
94
Testing the Transmission Piston Pump Flow (Using Tester with Pressure Gauges and Flow Meter)
97
Testing the Traction Relief Valve Pressure (Using Tester with Pressure Gauges and Flow Meter)
100
Testing the Wheel Motor Efficiency (Using Tester with Pressure Gauges and Flow Meter)
103
Testing the PTO Pressure Valve (Using Pressure Gauge)
106
Testing the Implement Relief Pressure (Using Pressure Gauge)
108
Testing the Gear Pump Flow (Using Tester with Pressure Gauges and Flow Meter)
111
Testing the Lift Cylinder for Internal Leakage
114
Service and Repairs
117
General Precautions for Removing and Installing the Hydraulic System Components
117
Checking the Hydraulic Lines and Hoses
118
Priming the Hydraulic Pumps
118
Flushing the Hydraulic System
119
Charging the Hydraulic System
121
Hydraulic Tank
123
Wheel Motors
125
Servicing the Wheel Motor
128
Transmission
130
Servicing the Transmission
135
Gear Pump
166
Servicing the Gear Pump
169
Lift Control Manifold
173
Servicing the Lift Control Manifold
175
Polar Trac Hydraulic Control Valve
178
Servicing the Polar Trac Hydraulic Control Valve
181
Lift Cylinder
184
Servicing the Lift Cylinder
186
Polar Trac Lift Cylinder
189
Servicing the Polar Trac Lift Cylinder
191
Oil Cooler
194
Table of Contents
197
Chapter 5 :Electricalsystem
199
General Information
199
Standard Control Module
199
Standard Control Module Logic Chart
201
Yanmar Engine Electronic Control Unit (ECU)
203
Yanmar Engine Electrical Components
203
CAN-Bus Communications
203
Electrical Schematics and Diagrams
204
Special Tools
205
Multimeter
205
Battery Terminal Protector
205
Battery Hydrometer
206
Dielectric Gel
206
Infocenter Display
207
Splash Screen
207
Main Information Screen
208
Main Menu Screen
209
Service Screen
210
Settings Screen
210
About Screen
211
Troubleshooting
212
Starting Problems
212
General Run and Transport Problems
213
Cutting Deck Operating Problems
214
Cutting Deck Lift/Lower Problems
215
Electrical System Quick Checks
216
Testing the Battery (Open Circuit Test)
216
Testing the Charging System
216
Testing the Glow Plug System
217
Checking the Operation of the Interlock Switches
217
Testing the Electrical Components
219
Key Switch
219
PTO Switch
221
Neutral Switches
223
Seat Switch
225
Engine Oil Pressure Switch
227
Parking Brake Sensor
229
PTO Solenoid Valve Coil
231
Fusible Link Harness
232
Diode Assemblies
233
Resistor Assembly
234
Glow Relay
235
Start and EGR Relays
237
Fuel Pump
239
Dual Temperature Switch
241
Fuses
243
CAN-Bus Terminator Resistor
245
Deck Lift/Lower Switch
246
Lift Control Manifold Solenoid Valve Coil
248
Adjustments
250
Parking Brake Sensor
250
Service and Repairs
252
PTO Solenoid Valve Coil
252
Lift Control Manifold Solenoid Valve Coils
254
Battery Storage
255
Battery Care
256
Servicing the Battery
257
Table of Contents
263
Chapter 6 :Chassis
264
Specifications
264
General Information
265
Service and Repairs
266
Rear Wheels
266
Polar Trac Wheels
268
Parking Brakes
271
Servicing the Parking Brake
275
Parking Brake Assembly
277
Front Castor Wheels
280
Servicing the Polar Trac Wheel Hub
284
PTO Driveshaft
287
Servicing the PTO Driveshaft Cross and Bearing
289
Cutting Deck Lift Arms
291
Rollover Protection System
295
Operator Seat
297
Servicing the Operator Seat
299
Hood
302
Table of Contents
305
Chapter 7 :Cuttingdeck
306
General Information
306
Specifications
306
Cutting Deck Operator's Manual
306
Factors that Can Affect Cutting Performance
307
Service and Repairs
308
Blade Stopping Time
308
Cutting Deck
309
Idler Assembly
310
Blade Spindle
313
Servicing the Blade Spindle
316
Gearbox
320
Cutting Deck Pull Links
323
Appendix A
325
Electrical Drawing Designations
326
Hydraulic Schematic
327
Electrical Schematic - Platform
328
Electrical Schematic - Engine
329
Electrical Schematic - Cab (1
330
Electrical Schematic - Cab (2
331
Wire Harness Drawing - Platform (1
332
Wire Harness Drawing - Platform (2
333
Wire Harness Drawing - Engine (1
334
Wire Harness Drawing - Engine (2
335
Wire Harness Drawing - Cab Power
336
Wire Harness Drawing - Cab Headliner
337
Wire Harness Diagram - Cab Headliner
338
Wire Harness Drawing - Cab Power Point Kit
339
Wire Harness Drawing - Auxiliary Power Model 30382
340
Wire Harness Drawing - Light Kit Model 30374
341
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