Textron JACOBSEN T4F AR-722 Manuals

Manuals and User Guides for Textron JACOBSEN T4F AR-722. We have 1 Textron JACOBSEN T4F AR-722 manual available for free PDF download: Technical/Repair Manual

Textron JACOBSEN T4F AR-722 Technical/Repair Manual (289 pages)

Rotary Mower

Brand: Textron | Category: Lawn Mower | Size: 52 MB

California Proposition 65 Warning
3
Trademark Acknowledgment
3
How to Use this Manual
4
Table of Contents
7
Introduction
8
Prepare for the Job
8
Safety Notices
8
Inspect Safety Labels
9
Keep Work Area Clean
9
Keep Work Area Well Ventilated
9
Use Proper Eye and Face Protection
9
Use Lifting Equipment Safely
9
Support Machine Securely
9
Use Compressed Air and Air Tools Safely
10
Service Tires Safely
10
Handle Fuel Safely
11
Store Volatile and Hazardous Materials Safely
11
Handle Chemical Products Safely
11
Service Hydraulic System Safety
12
Service Cooling System Safely
12
Service Electrical Components Safely
12
Dispose of Waste Materials Safely
12
Specifications
18
Test and Adjustment Specifications
18
Theory and Diagnostic Information
19
Electrical Component Symbols
19
Switching Devices
19
Circuit Protection Devices
19
Motors and Generating Devices
20
Actuating Devices
20
Engine-Related Devices
20
Miscellaneous Symbols
21
Electrical Schematic Component Identification
22
Theory of Operation and Sub Circuit Schematics
28
Power Circuit-Theory of Operation
28
Power Circuit Schematic
29
Charging Circuit-Theory of Operation
34
Power Circuit
34
Charging Circuit Schematic
34
Start and Glow Plug Circuit-Theory of Operation
35
Start and Glow Plug Circuit Schematic
36
Run Circuit-Theory of Operation
37
Run Circuit Schematic-On Seat
40
Run Circuit Schematic-Off Seat
41
Lift/Lower Circuit-Theory of Operation
43
Lift Circuit Schematic
47
Lower Circuit Schematic
48
Mow Circuit-Theory of Operation
50
Mow Circuit Schematic
50
Float and Traction Control Circuit-Theory of Operation
51
Float and Traction Control Circuit Schematic
53
Instrumentation Circuit-Theory of Operation
54
Engine Temperature Light
55
Instrumentation Circuit Schematic
55
Horn and Light Circuit-Theory of Operation
56
Horn and Light Circuit Schematic
56
DPF Circuit Schematic
61
Troubleshooting
65
Mcu
65
Park Brake Circuit
65
Neutral Circuit
65
Charging Circuit
66
Glow Plug Circuit
66
Start Circuit
67
Run Circuit
67
Lift/Lower Circuit
68
Mow Circuit
69
Traction Control Circuit
69
Instrumentation Circuit
70
Horn and Audible Alert Circuit
72
Light Circuit
73
Component Testing
74
Electrical System and Component Testing
74
General Information
74
Continuity Test
74
Resistance Test
74
Fuse Test
75
Relay Tests
75
Ignition Switch Test
76
Joystick Test
76
Traction Control Switch Test
77
Light Switch Test
78
Horn Switch
78
Parking Brake Switch
79
Seat Switch Test
79
Hydraulic Level Switch Test
80
Mow Switch
80
Solenoid Test
81
Hydraulic Filter Pressure Switch Test
82
Engine Oil Pressure Switch Test
82
Fuel Sender Test
82
Circuit Breaker Test
83
Fuel Pump Test
84
Repair
85
Battery and Battery Tray
85
Removal and Installation
85
Alternator
86
Starter Motor
86
Plug-In Fuses
87
Circuit Breaker
88
Starter Relay
88
Glow Plug Relay
89
Instrument Panel
89
Ignition Switch
90
Rocker Switches
91
Indicator Lamps
91
Joystick
92
Seat Switch
93
Neutral Switch
93
Solenoid Coils
94
Fuel Shutoff Solenoid
95
Hydraulic Oil Filter Switch
95
Engine Oil Pressure Switch
96
Engine Temperature Switch
96
Mcu
97
Combination Gauge
98
Fuel Level Sender
98
Horn
99
Specifications
103
Test and Adjustment Specification
103
Repair Specifications
103
Hydraulic Hose, Tube, and Fitting General Instructions
104
O-Ring Installation
104
Hydraulic Hose Installation
105
Hydraulic Service Tools
105
Portable In-Line Filter
105
Digital Hydraulic Tester
106
Hydraulic Flow Meter
106
Digital Pressure Gauge Kit
106
Component Location
108
Theory of Operation and Sub-Circuit Schematics
109
Traction Circuit Forward Schematic and Theory of Operation
109
Traction Circuit-Forward Schematic
109
Traction Circuit Reverse Schematic and Theory of Operation
112
Traction Circuit-Reverse Schematic
112
Troubleshooting
115
Tests and Adjustments
117
Transmission Neutral Adjustment
117
Field Test Procedures
120
Preliminary Checks
120
Charge Pump Test
120
Traction System Test
120
Wheel Motor Test
121
Instrument Test Procedures
122
Instrument Test Overview
122
Charge Pressure Test
123
Traction System Test
124
Traction Pump Tests
126
Wheel Motors Test
129
Neutral Adjust-Servo
136
Repair
138
Drive Shaft
138
Traction Pump
139
Brake Release Valve
143
4WD Valve
145
Front Wheel Motor
147
Rear Wheel Motor
160
Specifications
167
Test and Adjustment Specifications
167
Repair Specifications
167
Hydraulic Hose, Tube, and Fitting General Instructions
168
O-Ring Installation
168
Hydraulic Hose Installation
168
Hydraulic Service Tools
170
Portable In-Line Filter
170
Digital Hydraulic Tester
170
Hydraulic Flow Meter
170
Component Location
172
Theory of Operation and Diagnostic Information
178
Steering Circuit Schematic and Theory of Operation
178
Steering Circuit Schematic
179
Lift Circuit Schematic and Theory of Operation
180
Lift Circuit Schematics
181
Lower Circuit Schematic and Theory of Operation
184
Lower Circuit Schematics
185
Float and Traction Control Circuit Schematic and Theory of Operation
188
Float and Traction Control Circuit Schematics
188
Mow Circuit Schematic and Theory of Operation
190
Mow Circuit (On) (Right Wing Off) Schematic
190
Field Test Procedures
200
Preliminary Checks
200
Lift Cylinder Leakage Test
200
Power Steering Circuit Test
201
Cutting Unit System Test
201
Instrument Test Procedure
202
Instrument Test Overview
202
Front Cutting Units Circuit
203
Front Cutting Units Pump Test
205
Front Cutting Units Circuit Valve Tests
207
Adjust Cutting Unit System Relief Valve Pressure
209
Front Cutting Units Motors Test
210
Rear Cutting Units Circuit Test
212
Rear Cutting Units Pump Test
214
Rear Cutting Units Circuit Valve Tests
216
Rear Cutting Units Motors Test
218
Lift/Steer System Relief Valve Pressure Test
222
Lift System Test
223
Lift/Steer Pump Test
225
Lift Valve Test
227
Repair
229
Gear Pump
229
Removal and Installation
229
Disassembly, Inspection, and Assembly
230
Cutting Unit Motors
231
Lift Valve
232
Deck Valve
234
Hydraulic Filter
236
Lift Cylinders
237
Hydraulic Oil Cooler
239
Hydraulic Oil Tank
240
Specifications
243
Component Location
244
Tests and Adjustments
245
Tie Rod Adjustment
245
Steering Relief Valve Pressure Test
245
Steering Leakage Test
246
Repair
248
Steering Wheel
248
Steering Valve
248
Steering Valve Service Fixture
250
Steering Tower
256
Steering Cylinder
257
Tie Rod Assembly
260
Rear Axle
262
Component Location
267
Troubleshooting
268
Mechanical Troubleshooting
268
Quality of Cut Troubleshooting
269
Repair
277
Deck Motor
277
Rotary Deck
279
Blade
280
Front Deck Yoke
281
Rear Deck Yoke
281
Deck Roller
284
Mower Deck Housing
287

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Textron JACOBSEN T4F AR-722 Manuals

Textron JACOBSEN T4F AR-722 Technical/Repair Manual (289 pages)

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