Yanmar EF-494T Medium-size Tractor Manuals

Manuals and User Guides for Yanmar EF-494T Medium-size Tractor. We have 2 Yanmar EF-494T Medium-size Tractor manuals available for free PDF download: Technical Manual, Operator's Manual

Yanmar EF-494T Technical Manual

Yanmar EF-494T Technical Manual (239 pages)

Diesel Tractor

Brand: Yanmar | Category: Tractor | Size: 26 MB

Table of Contents

Table of Contents
3
Introduction

9
- To the Owner
  9
- Maintenance
  9
- Supply Period for Maintenance Parts
  9
- Improvements
  9
- Symbol Indication
  10
- Precautions for the Safe Services
  12
- After Sales Service
  19
- General Precautions for Services
  20
  - General
    20
  - Usage of the Liquid Gasket
    22
  - Screw Tightening Torque Table
    24
  - Fuse Box
    25
  - Part Names
    26
  - Safety Label Location
    28
  - Specifications
    29
  - Tractor Mass and Tire Specification
    29
1 Periodical Inspection

30
- Check Intervals
  31
- Oil and Grease
  32
- Oil and Water Volume
  32
- Equivalent to
  32
- Replacing Oil
  33
- Replacing Filter Elements
  35
- Replacing Cooling Water
  36
- Removing Water from Water Separator
  37
- Cleaning and Replacing Air Cleaner
  38
- Checking Battery
  39
- Checking Hose and Pipe
  40
- Checking Electrical Wiring
  40
- Greasing
  41
- Adjusting Brake
  44
- Adjusting Clutch
  45
- Adjusting Steering Wheel
  45
- Adjusting Fan Belt
  46
- Adjusting Tow-In
  46
- Replacing Fuse
  47
- Checking Tires
  48
- Color of Exhaust Gas
  48
2 Disassembly of Components

49
- Removing the Engine Bonnet Cover
  50
  - Removing/Mounting the Side Covers
    50
- Removing the Fender
  51
  - Removing the Fuel Tank Cover
    51
  - Removing the Nuts and Bolts that Fixing the Fender
    51
- Removing the Step
  51
- Removing the Seat Stay
  53
- Clutch Housing
  55
  - Separation
    55
  - Docking
    61
- Transmission
  61
- Front Axle Unit
  69
3 Engine

72
- Fuel System
  72
  - Flow of Fuel and Layout of Components
    72
  - Water Separator
    89
  - Fuel Feed Pump
    89
  - Fuel Filter
    90
  - Fuel Injection Pump
    92
  - Fuel Injection Nozzles
    93
- Combustion System
  94
  - Low Emission Technology Applied to TNV Engine
    94
  - Cold Starter
    96
  - Revolution Timer
    97
  - Load Timer
    97
- Lubricating Oil System
  98
  - Flow of Lubricating Oil
    98
  - Lubrication Oil Pump (lo Pump)
    99
  - Lubricating Oil Filter (lo Filter)
    100
  - Oil Pressure Switch
    100
- Cooling Water System
  101
  - Flow of Cooling Water
    101
  - Main Components
    101
  - Fuel Injection Pump
    103
  - Piston
    114
  - Checking Pressures
    116
  - Maintenance Criteria
    118
- Adjustment Specifications
  120
  - Engine Adjustments
    120
  - Cylinder Head
    120
  - Intake/Exhaust Valve and Guide
    120
  - Valve Spring
    121
  - Locker Arm and Shaft
    121
  - Push Rod
    121
  - Camshaft
    121
  - Idle Gear Shaft and Bushing
    121
  - Timing Gear Backlash
    122
  - Cylinder Block
    122
  - Crankshaft
    122
  - Thrust Bearing
    122
  - Piston
    122
  - Piston Rings
    123
  - Connecting Rod
    123
  - Tappet
    123
  - Lubricating Oil Pump (Trochoid Pump)
    124
  - Tightening Torque Tables
    125
4 Clutch

126
- Structure and Functions
  127
  - Outline
    127
- Disassembly and Assembly
  128
  - Disassembly
    128
  - Assembly
    131
5 Tranmission

133
- Power Transmitting Diagram
  134
- Transmission System Cross-Section
  136
- Transmission System
  138
  - Main Shift Module
    138
  - Reverse Shift Module
    139
  - Range Shift Module
    140
  - Front Drive
    140
  - PTO Shift Module
    141
- Transmission (Clutch Housing Case Side)
  142
  - Disassembly
    143
  - Main Shift Section
    148
- Transmission (Transmission Housing Case Side)
  149
  - Disassembly
    151
  - PTO Module
    156
6 Rear Axle and Brake

158
- Structure and Functions
  159
  - Structure Drawing
    159
  - Differential System
    160
  - Final Drive System
    161
  - Brake
    162
- Disassembly and Assembly
  164
  - Differential System
    164
  - Rear Axle Oil Seal
    165
  - Planetary Gears and Axle Shaft
    166
7 Front Axle

167
- Structure and Functions
  168
- Cross-Section View
  169
- Front Wheel Alignment
  170
- Disassembling the Front Bearing Case
  171
- Disassembling the Front Gear Box
  171
- Disassembling and Assembling the Front Differential Section
  172
  - Disassembly
    172
  - Assembly
    174
8 Power Steering

176
- Structure and Functions
  177
  - Structure Drawing
    177
  - Hydraulic Circuit
    178
  - Power Steering Valve Functions
    179
  - Hydraulic Pump
    180
  - Power Steering Valve
    182
  - Removing Power Steering Valve Assembly
    182
  - Power Steering Relief Pressure
    183
  - Disassembly
    184
9 Hydraulic Lift Unit

187
- Structure and Functions
  188
  - Hydraulic Line
    188
  - Hydraulic Cylinder Case
    189
  - Control Valve
    189
  - Relief Valve
    189
  - Safety Valve
    189
  - Stop Valve
    191
  - Hydraulic Pump, Exploded View
    192
  - Position Feedback Link
    193
  - Oil Flow at Neutral
    195
- Assembly and Check
  200
- Hydraulic Power Take off
  204
10 Electric Equipment

210
- Engine Start Circuit
  211
  - Location and Operation of Components
    211
  - Circuit Diagram
    214
  - Checkpoints of Electrical Equipment
    215
- Charging Circuit
  220
  - Location and Operation of Components
    220
  - Circuit Diagram
    221
  - Checkpoints of Electrical Equipment
    222
- Alarm Circuit
  223
  - Location and Operation of Components
    223
  - Checkpoints of Electrical Equipment
    226
- Safety Circuit
  228
  - Location and Operation of Components
    228
  - Circuit Diagram
    231
  - Checkpoints of Electrical Equipment
    232
  - Hydraulic Circuit Diagram
    235

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Yanmar EF-494T Operator's Manual

Yanmar EF-494T Operator's Manual (81 pages)

Brand: Yanmar | Category: Tractor | Size: 8 MB

Table of Contents

To the Owner
3
Table of Contents
4
Safety Instructions

6
After Sales Service and Warranty

20
- After Sales Service
  20
- Availability of Spare Parts
  20
Part Names

24
Safety Label Location

26
- Function of each Control
  27
FUNCTION of each CONTROL Engine

27
- Traveling, PTO Related Functions
  28
- Hydraulic System
  31
- Others
  34
Pre-Operation Checks

35
- Breaking in the Engine (First 50 Hours)
  39
- Starting and Stopping Engine
  39
- Raising or Lowering Implement
  41
- Adjusting Lowering Speed for Implement
  41
- Starting and Stopping
  42
- Traveling on the Load
  43
- Traveling on the Slope
  44
- Power Steering
  44
- Driving in and out of Fields
  45
- Setting an Adequate Speed
  45
- Turning in a Field
  46
- Position Control
  46
- Using Differential Lock
  46
- Loading and Unloading
  47
- Adjusting Wheel Tread
  47
- Hydraulic Output
  49
- Using 3-Point Link
  50
- Adjusting Top Link
  51
- Mounting General Farm Implements
  52
- Notes on Using Service Implement
  53
- Using PTO Shift Lever
  54
- Using Drawbar Hitch
  54
- Safety Frame (ROPS)
  55
After Operation

56
Periodic Inspection and Adjustment

59
- Check Intervals
  60
- Oil and Grease
  61
- Oil and Water Volume
  61
- Replacing Oil
  61
- Replacing Oil Filter Elements
  63
- Engine Coolant
  64
- Fuel Line
  65
- Replacing Radiator Screen and Air Cleaner Elements
  66
- Checking Battery
  67
- Checking Fluid Lines
  68
- Checking Electrical Wiring
  68
- Greasing
  69
- Adjusting Brake
  72
- Adjusting Clutch
  73
- Adjusting Steering Wheel
  73
- Adjusting Fan Belt
  74
- Adjusting Tow-In
  74
- Replacing Fuse
  75
- Checking Tires
  76
- Color of Exhaust Gas
  76
Troubleshooting

77
- Engine Parts
  77
- Clutch, Brake and Related Parts
  78
- Hydraulic System
  78
- Electric System
  78
Specifications

79
Implement Capacities

80

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