Cub Cadet 8404 Service Manual Page 25
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- Table of contents
- TROUBLESHOOTING
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ENGINE SYSTEM
2-3
D615-W02 May-2003
1. GENERAL
1.1 APPEARANCE
615W201A
The DAEDONG A series engines are vertical, water-
cooled, 4-cycle, three or four cylinders diesel engines,
they concentrate DAEDONG’s foremost technologies.
With swirl combustion chamber, bosch K type fuel in-
jection pump, well-balanced designs, they feature
greater power, low fuel consumption, less vibration and
noise, and low emission.
www.mymowerparts.com
K&T Saw Shop 606-678-9623 or 606-561-4983
- CONTENTS 3
- 1. TRACTOR VIEW 11
- 2.1 TIGHTENING TORQUE 12
- GENERAL INFORMATION 13
- 3. SPECIFICATIONS 14
- 4. IDENTIFICATION 16
- 5. CAUTION BEFORE REPAIR 17
- 5.6 ELECTRICAL SYSTEM 18
- 5.5 ASBESTOS PARTS 18
- 6. REGULAR CHECK LIST 20
- ENGINE SYSTEM 23
- 1. GENERAL 25
- 1.2 SPECIFICATIONS 26
- 1.3 PERFORMANCE CURVE 27
- 1.4 DIMENSIONS 28
- 1.5. GENERAL WARNING 28
- 2. STRUCTURE AND FUNCTION 29
- CHAPTER 2 8354/8404 30
- 2.2 LUBRICATING SYSTEM 33
- 2.3 COOLING SYSTEM 35
- 2.4 FUEL SYSTEM 37
- 4) To stop engine 43
- 3.1 TROUBLESHOOTING 45
- 3.2 SERVICING SPECIFICATIONS 48
- I. Timing Gear 50
- 1) Fan belt 57
- 1) Engine body 57
- 1) Compression pressure 59
- 2) Valve clearance 60
- 1) Timing Gears and Camshafts 63
- (A) Injection pump 63
- (E) Gear case 64
- (C) Start spring 64
- (D) Fan drive pulley 64
- (G) Idle gear and crank gear 65
- 2) Connecting rod and piston 66
- 12 13111078210 65439 71
- 2) Timing gears and camshafts 73
- 4) Crankshaft 78
- 5) Cylinder bore 81
- 2) Injection nozzle 88
- 1) Injection pump 88
- CHAPTER 3 89
- 1. DISASSEMBLY AND ASSEMBLY 91
- 615W302A 615W303A 615W304A 92
- B. SECOND STAGE 92
- 615W305A 92
- C. THIRD STAGE 93
- 2. CLUTCH 96
- 615W320A 97
- 2.3 TROUBLESHOOTING 98
- 2.4 SPECIFICATION 99
- 2.5 TIGHTENING TORQUE 99
- 2.6 DISASSEMBLY, MAINTENANCE 100
- B. DISASSEMBLY, ASSEMBLY 101
- CHAPTER 3 8354/8404 102
- 615W329A 103
- TRANSMISSION 105
- 1. STRUCTURE 107
- 2. POWER TRANSMISSION 108
- Intermediate Stage 109
- B. Synchro Operation 109
- 1st Stage 109
- Final Stage 110
- Reversing 111
- Power Transmission Flow Chart 111
- Low Speed 112
- High Speed 112
- Power Transmission Flow 112
- A. Power Transmission Flow 114
- CHAPTER 4 8354/8404 116
- 4. PTO CLUTCH 118
- 5. DIFFERENTIAL GEAR 120
- B. Turning a Corner 121
- C. Differential Lock 122
- 6. TROUBLESHOOTING 123
- 7. MAINTENANCE SPECIFICATION 124
- 8. TIGHTENING TORQUE 125
- 9. CLUTCH HOUSING 126
- 11. INTERMEDIATE CASE 141
- Case and Transmission Case) 142
- 12.1 DISASSEMBLY, ASSEMBLY 150
- 12. TRANSMISSION CASE 150
- 615W483A 152
- 615W485A 152
- Pinion Shaft) 154
- D615-W02 May-2003 156
- 12.2 MAINTENANCE 160
- REAR AXLE 165
- 2. TIGHTENING TORQUE 168
- 3. SERVICE SPECIFICATION 169
- 4. DISASSEMBLY, ASSEMBLY 170
- CHAPTER 5 8354/8404 172
- 5. MAINTENANCE 173
- CHAPTER 6 175
- Operational Principle 178
- 3. TROUBLESHOOTING 179
- 4. MAINTENANCE SPECIFICATION 180
- 5. TIGHTENING TORQUE 180
- 6. BRAKE PEDAL 181
- CHAPTER 6 8354/8404 182
- 7. BRAKE CASE 183
- B. Brake Case Disassembly 185
- D. Wear Check of Brake Disc 187
- B. Wear Check of Cam Plate 187
- E. Wear Check of Brake Plate 187
- FRONT AXLE 189
- 2. WHEEL ALIGNMENT 192
- 6.1 CHECK AND ADJUSTMENT 196
- 6. DISASSEMBLY, MAINTENANCE 196
- Rocking Force) 197
- IMPORTANT: 198
- Assembly) 199
- Cylinder Hydraulic Hose) 199
- 8. DISASSEMBLY OF FRONT AXLE 200
- A. DX Bush Assembling Method 201
- CHAPTER 7 8354/8404 202
- 9. MAINTENANCE 206
- A. Types of Adjusting Shim 210
- B. Tooth Contacted Check 210
- STEERING SYSTEM 211
- 1. CHARACTERISTICS 213
- CHAPTER 8 8354/8404 214
- 3. GEAR PUMP 215
- 615W805A 216
- A. Control Valve 217
- B. Metering Device 217
- 5. STEERING CYLINDER 218
- 6. OIL FLOW 219
- 7. TROUBLESHOOTING 221
- 8. DISASSEMBLY, MAINTENANCE 222
- 615W828A 229
- 615W829A 229
- A. Check 231
- HYDRAULIC SYSTEM 235
- 1. HYDRAULIC CIRCUIT DIAGRAM 237
- 2. STRUCTURE 238
- 4. HYDRAULIC PUMP 240
- 5. OIL FILTER 241
- 6. CONTROL VALVE (MLS VALVE) 242
- A. Neutral Phase 243
- B. Delivery Phase 244
- C. Discharge Phase 245
- CHAPTER 9 8354/8404 246
- 8. HYDRAULIC CYLINDER 247
- 9. STRUCTURE AND OPERATION 248
- A. Position Control 249
- (Fig. 225W918A,225W919A) 250
- (Fig. 615W918A,615W919A) 251
- A. Operation principle 253
- B. Circuit diagram 253
- 11. TOP LINK BRACKET DEVICE 254
- 12. TROUBLESHOOTING 255
- 13. MAINTENANCE SPECIFICATION 256
- 14. TIGHTENING TORQUE 258
- 15. DISASSEMBLY, ASSEMBLY 259
- A. DISASSEMBLY, ASSEMBLY 261
- E. Lever Position Setting 270
- ELECTRIC SYSTEM 273
- 1. ELECTRONIC INSTRUMENTATION 275
- CHAPTER 10 8354/8404 276
- ELECTRICAL SYSTEM 277
- 2. TROUBLE SHOOTING 278
- 3. SERVICING SPECIFICATIONS 280
- 4. MECHANISM 281
- 4.2 CHARGING SYSTEM 284
- 4.3 PREHEATING SYSTEM 286
- 4.4 FUSE 287
- 4.5 GAUGE AND SENSORS 288
- 5. MAIN CIRCUIT DIAGRAM 289
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