Shibaura ST318, Workshop Manual

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INDEX
Chapter 1 GENERAL ·································· 3
1-1 External Views ······················································ 4
1-2 Specifications & Performance ································ 5
1-3 Precautions Before Servicing ································· 7
1-4 Basic Understanding on Servicing ························· 7
1-5 Sequence of Dismantling the Tractor ···················· 10
1-6 Installation and Trial Run····································· 23
Chapter 2 ENGINE ···································· 27
2-1 Engine Sectional View ········································· 28
2-2 Engine Specifications ·········································· 29
2-3 Disassembly, Inspections and Reassembly ··········· 30
1. Disassembly ························································ 30
2. Disassembly, and Inspection of
Engine
Main Parts ··············································· 34
1) Rocker arm ass’y ··········································· 34
2) Cylinder head ass’y ········································ 35
3) Cylinder block ··············································· 38
4) Piston and piston ring ····································· 39
5) Connecting rod ··············································· 41
6) Connecting rod metal ····································· 42
7) Disassembly, inspection and reassembly
of bearing holder ············································ 43
8) Crankshaft bearing (bush) ······························ 44
9) Crankshaft ····················································· 45
10) Flywheel and ring gear ··································· 46
11) Cam shaft ass’y ·············································· 46
12) Timing gear···················································· 46
13) Oil flow ························································· 47
14) Oil pump ························································ 48
15) Oil filter ························································· 48
16) Water pump assembly and thermostat ············· 49
17) Radiator ························································· 50
18) Fuel filter ······················································· 51
19) Governor ······················································· 51
20) Injection pump ··············································· 52
21) Nozzle and holder ·········································· 52
22) Air Cleaner ···················································· 54
3. Engine Reassembly·············································· 55
2-4 Electrical Units ···················································· 65
1. Alternator ···························································· 65
2. Starting Motor ····················································· 74
3. Glow Plug ··························································· 80
4. Thermo Sensor ···················································· 80
5. Oil Pressure Switch ············································· 80
6. Battery ································································ 81
7. Engine Stop Solenoid ··········································· 81
8. Fusible Link ························································ 82
9. Wiring Harness ···················································· 82
2-5 Trouble Shooting ················································· 83
2-6 Engine Maintenance Standards Table
S753 ···································································· 85
S773L ································································· 93
Chapter 3. Tractor main body ······················ 97
3-1 Front Axle ··························································· 99
1. Sectional Views ··················································· 99
2. Disassembly, Inspection,
Reassembly
of Front Axle ···································· 99
3. Wheel Alignment ··············································· 107
4. Front Wheel ······················································· 107
3-2 Clutch ······························································· 108
1. Single Clutch ····················································· 108
2. Troubleshooting of Clutch··································· 113
3-3 Transmission ······················································ 114
1. 9×3 Manual Transmission ··································· 114
2. Hydrostatic Transmission ··································· 131
3-4 Change Lever Linkage ······································· 161
3-5 Real Axle and Brake ·········································· 163
1. Specifications and Sectional View ······················ 163
2. Disassembly, Inspection and Reassembly
of
Brake Ass’y ··················································· 163
3. Brake Adjustment ·············································· 167
4. Rear Wheel ························································ 167
5. Troubleshooting ················································· 168
6. Hand Brake ······················································· 169
3-6 Steering and Linkage ········································· 172
1. External View ···················································· 172
2. Specifications ···················································· 172
3. Power Steering Control Valve ···························· 173
4. Power Steering Cylinder ···································· 185
3-7 Hydraulic System ·············································· 192
1. Specifications ···················································· 192
2. Name of Components ········································ 192
3. Disassembly, Inspection and Reassembly
of Cylinder Case Ass’y ······································ 193
4. Control Valve ···················································· 197
5. Trouble Shooting ··············································· 212
6. Remote Control Valve ········································ 214
3-8 Electric Units and Accessories ··························· 219
1. Compornent Location ········································ 219
2. Wiring ······························································· 221
3. Instrument Panel Circuit ···································· 225
4. Lighteing Circuit ··············································· 226
5. Horn Circuit ······················································ 227
6. Fuel Level Circuit ·············································· 228
7. Engine Stop Solenoid Circuit ····························· 229
8. Engine Coolant Temperature Circuit,
Engine Oil Pressure Warning Circuit ·················· 230
9. HST Cruise Control Circuit ································ 231
10. Parking Brake Warning Light Circuit ················· 232
11. Brake Lamp Circuit ··········································· 233
12. Safety Start Circuit ············································ 234
13. Flasher and Hazard Lump Circuit ······················ 235
14. Glow Plug and Glow Lamp Circuit ···················· 236
15. Alternator and Engine Stop Solenoid Circuit ······ 237
16. Troubleshooting ················································ 238
3-9 Cultivating Implement Installing Device ············ 241
1. Three Point Link ················································ 241
2. PTO (Power Take-Off Shaft) ······························ 242
3-10 Maintenance Standards Table ····························· 243