Yanmar Ef227h Ef230h Ef233h Ef235h Diesel Tractor Workshop Technical Service Repair Manual
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LANGUAGE:ENGLISH
PAGES:188
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FILE TYPE:PDF
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DESCRIPTION:
Yanmar Ef227h Ef230h Ef233h Ef235h Diesel Tractor Workshop Technical Service Repair Manual
Instructions for Using This Technical Manual:
This manual describes the structure and functionality of each main part and the procedures for disassembly. reassembly, checks, and sen/ices by using Model EF235H as of Non/ember 2004 as an example. The parts used are subject to change without notice. If any part is changed for quality or performance improvement or for safety purposes. the content, photographs, and illustrations in this document may deviate from the actual product.
TABLE OF CONTENTS:
Yanmar Ef227h Ef230h Ef233h Ef235h Diesel Tractor Workshop Technical Service Repair Manual
COVER................................................................................... 0 Contents ............................................................................... 3 Ⅰ Safety Items and Services............................................................. 6 1. Safety Work ..................................................................... 7 1-1. Precautions for safe services ............................................. 7 1-2. Location of safety signs .................................................. 11 2. General Precautions for Services................................................. 13 2-1. Identification and hour meter of tractor .................................. 13 2-2. General precautions for services .......................................... 13 2-3. General tightening torques ................................................ 16 2-4. Periodical check items .................................................... 17 2-5. Oil, grease and anti-freezing fluid ....................................... 18 2-6. Capacity of oils and water ................................................ 18 Ⅱ Specifications........................................................................ 20 1. Specifications................................................................... 21 Ⅲ General............................................................................... 22 1. Periodical Check Items .......................................................... 23 1-1. Checking and changing oils ................................................ 23 1-2. Replacing each element .................................................... 25 1-3. Checking and changing cooling water ....................................... 27 1-4. Checking and filling fuel ................................................. 28 1-5. Air bleed from fuel ....................................................... 28 1-6. Cleaning and replacing the radiator screen and the air cleaner element .... 29 1-7. Checking and replacing the battery ........................................ 29 1-8. Checking pipes and hoses .................................................. 31 1-9. Checking electrical wiring ................................................ 31 1-10. Locations to apply grease ................................................ 32 1-11. Checking and adjusting the brakes ........................................ 33 1-12. Checking and adjusting the steering wheel ................................ 34 1-13. Checking and adjusting the fan belt ...................................... 34 1-14. Checking and adjusting toe-in ............................................ 35 1-15. Checking and replacing the fuses and the slow blow fuses ................. 36 1-16. Checking the tires ....................................................... 37 2. Exterior ........................................................................ 38 2-1. Opening/closing the hood .................................................. 38 2-2. Opening/closing the engine side cover ..................................... 38 3. Separating the Cabin or the Floor................................................ 39 4. Front Axle Mechanism ............................................................ 43 5. Rear Axle Mechanism.............................................................. 44 6. Hydraulic Cylinder Case.......................................................... 45 Ⅳ Engine................................................................................ 48 1. Structure and Functions ......................................................... 49 1-1. Overview .................................................................. 49 1-2. Fuel system ............................................................... 50 1-3. Combustion system ......................................................... 54 1-4. Lubricating oil system .................................................... 57 1-5. Cooling water system ...................................................... 58 1-6. Maintenance standards ..................................................... 60 2. Removing the Fuel Injection Pump................................................. 67 Ⅴ Transmission.......................................................................... 70 1. Transmission Mechanism .......................................................... 71 2. HST ............................................................................. 72 2-1. Outline ................................................................... 72 2-2. Outline of operation ...................................................... 72 2-3. Maintenance standards ..................................................... 76 2-4. Troubleshooting ........................................................... 78 3. Structure and Functions.......................................................... 80 3-1. Gearshift and power transmission route .................................... 80 3-2. Separation and assembly of the center plate ............................... 81 3-3. Disassembling the inside of the transmission .............................. 83 4. Checks and Adjustments .......................................................... 86 4-1. Adjusting the change pedal ................................................ 86 4-2. Adjusting the PTO levers .................................................. 88 4-3. Adjusting the sub-shift lever ............................................. 89 4-4. Adjusting the hand brake .................................................. 89 5. On-the-go High Grip Turn ........................................................ 90 5-1. Outline.................................................................... 90 5-2. Electrical control parts .................................................. 93 5-3. Checking electric parts ................................................... 96 5-4. Hydraulic control parts ................................................... 98 6. Disassembly and Reassembly ...................................................... 99 6-1. Maintenance standards ..................................................... 99 6-2. Development view ..........................................................100 6-3. Measuring the double-speed clutch pressure ................................102 Ⅵ Front Axle............................................................................104 1. Structure and functions..........................................................105 1-1. Front wheel alignment .....................................................105 1-2. Structure .................................................................106 2. Disassembly and Reassembly ......................................................107 2-1. Maintenance standards .....................................................107 2-2. Development view ..........................................................108 2-3. Replacing the axle ........................................................109 Ⅶ Rear Axle and Brake...................................................................110 1. Structure and Functions .........................................................111 1-1. Structure .................................................................111 1-2. Structure of differential gear unit .......................................112 1-3. Structure of braking device ...............................................113 2. Disassembly and Reassembly ......................................................115 2-1. Maintenance standards .....................................................115 2-2 Development view ...........................................................115 2-3. PTO clutch and differential mechanism .....................................116 2-4. Braking device ............................................................118 2-5. Axle oil seal .............................................................119 2-6. MID PTO case ..............................................................120 Ⅷ Power Steering........................................................................122 1. Structure and Functions .........................................................123 1-1 Structure ..................................................................123 1-2. Components ................................................................124 1-3. Operation of power steering valve and flow of oil .........................125 2. Checks and Adjustments ..........................................................127 2-1. Measuring the power steering relief pressure ..............................127 Ⅸ Hydraulic lifting unit................................................................128 1. Structure and Functions..........................................................129 1-1. Structure .................................................................129 1-2. Hydraulic circuit .........................................................130 1-3. Components ................................................................131 1-4. Operation of position control valve and flow of oil .......................135 1-5. Position control ..........................................................137 1-6. Hydraulic outlets..........................................................140 2. Checks and Adjustments ..........................................................141 2-1. Adjusting the feedback link ...............................................141 2-2. Measuring the hydraulic relief pressure ...................................142 Ⅹ Electrical Equipment..................................................................144 1. Engine starting circuit .........................................................145 1-1. Positions and functions of components .....................................145 1-2. Circuit diagram ...........................................................147 1-3 Check items for electrical components ......................................148 2. Charging Circuit.................................................................151 2-1. Positions and functions of components .....................................151 2-2. Circuit diagram ...........................................................153 2-3. Check items for electrical components .....................................154 3. Preheating Circuit ..............................................................156 3-1. Positions and functions of components .....................................156 3-2. Circuit diagram ...........................................................159 3-3. Checking electrical parts .................................................160 4. Fuel Circuit ....................................................................163 4-1. Positions and functions of components .....................................163 4-2. Circuit diagram ...........................................................165 4-3 Checking electrical components .............................................166 5. Warning Circuit .................................................................168 5-1. Positions and functions of components .....................................168 5-2. Circuit diagram ...........................................................170 5-3. Checking items for electrical components ..................................171 6. Safety Circuit ..................................................................172 6-1. Positions and functions of components .....................................172 6-2. Circuit diagram ...........................................................175 6-3. Check items for electrical components .....................................177 7. Cabin Circuit ...................................................................180 7-1. Positions and functions of components .....................................180 7-2. Circuit diagram ...........................................................183 7-3. Check items for electrical components .....................................184 ⅩⅠ Appendixes...........................................................................186 1. Hydraulic Circuit Diagram .......................................................187 Electrical Wiring Diagram ..........................................................188 BACK COVER.............................................................................. 0
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- This is the SAME exact manual used by your dealers to fix your vehicle.
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