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Yanmar AW70V - User Manual

Yanmar AW70V
106 pages
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OPERATOR’S MANUAL
COMBINE HARVESTER
AW70V, VNQ
AW82V, VNQ
Original instructions
en
https://tractormanualz.com/yanmar/

Table of Contents

Questions and Answers

  • D
    Dawn NelsonAug 15, 2025
    What to do if the starter motor doesn't work on my Yanmar Farm Equipment?
    • W
      William McdanielAug 15, 2025
      If the starter motor isn't working when you turn the key, make sure the brake pedal is fully depressed. Also, ensure the threshing clutch lever is in the 'OFF' position. Check the battery; it may be dead and need recharging, or the terminals might be loose or corroded, requiring cleaning and tightening with antirust oil applied. Finally, inspect the fuse and replace it if it's blown.
  • X
    xhallAug 18, 2025
    Why does the starter motor rotate but the Yanmar AW70V engine won't start?
    • A
      Andrew WheelerAug 18, 2025
      If the starter motor rotates but the engine doesn't start, check if the fuel pump is working (replace the fuel pump if it’s faulty). Ensure there's fuel in the tank and that the fuel pipe isn't damaged (replace if damaged). Exhaust any air mixed in the fuel. Confirm the range shift lever is in the 'N' (neutral) position. Also, check for water in the fuel tank, and drain it from the fuel filter or water separator. Finally, inspect for blockages in the pipe due to contamination; clean the fuel tank and pipe if necessary.
  • J
    joshuaprinceAug 21, 2025
    How to fix crops not being threshed completely by Yanmar AW70V?
    • J
      Jessica WalshAug 22, 2025
      If crops aren't being threshed completely, check if the revolving speed of the threshing rotor is too low. Adjust the accelerator lever to raise the engine speed to the 'Green zone'. Also, ensure the chaff discharge adjust lever is not in the 'Open' position; put it to the 'Close' side. If there is insufficient feed of crops, raise the harvesting speed slightly. In case crops are conveyed unevenly, speed up harvesting, and lower the reel backward if it is too near the front.
  • M
    Miguel GonzalezAug 25, 2025
    Why is there an abnormal sound in the threshing section of my Yanmar AW70V Farm Equipment, or why has efficiency decreased?
    • M
      Maureen DavisAug 25, 2025
      If you notice an abnormal sound or decreased efficiency in the threshing section, it could be due to several reasons. If crops are wet from dew, wait until they dry before harvesting. Check the engine tachometer and adjust the accelerator lever to raise the engine speed to the 'Green zone' if the rotor speed is too low. Reduce your operating speed if it's too high. If the moisture content of rice is high, put the chaff discharge adjust lever to 'Open'. Also, identify and remove the cause of any uneven conveying of crops.
  • S
    schultzlauraAug 27, 2025
    How to reduce heavy loss in the reaping section of Yanmar AW70V Farm Equipment?
    • K
      karen85Aug 27, 2025
      To reduce heavy loss in the reaping section, lower the reel if crops are accumulating in front of the cutter blades, ensuring smooth flow to the platform auger. Adjust the header height; it shouldn't be too high, and harvested crops should be appropriately long for even conveyance to the platform auger. If reverse harvesting, adjust the reel to a proper height to prevent it from pressing the crops.
  • B
    Bryan GutierrezAug 30, 2025
    What causes grain splashing in Yanmar AW70V Farm Equipment and how to fix it?
    • O
      Olivia WalkerAug 30, 2025
      Grain splashing can occur if the chaff discharge adjust lever is in the 'Open' position; move it to the 'Close' side. If the engine speed is too high, check the engine tachometer and adjust the accelerator lever to raise the engine speed to the 'Green zone'. Also, ensure the angle of the chaff sieve of the swing separator is appropriately adjusted according to the crop condition and that the air volume of the fan is correctly adjusted.
  • S
    Sandra JonesSep 2, 2025
    What to do if crops are not conveyed in Yanmar Farm Equipment?
    • J
      Joanna TerrellSep 3, 2025
      If crops aren't being conveyed, inspect the cutter blades and conveying chain for obstructions like grass, straw, mud, stone, or other foreign materials, and remove them. Also, check if the header drive belt is loosened and adjust it if necessary.
  • N
    Nicholas KaiserSep 5, 2025
    Why is Yanmar AW70V Farm Equipment pulling out rice roots and how to prevent it?
    • A
      Alan HobbsSep 5, 2025
      Rice roots being pulled out can occur if the crop divider cuts into the root of the crop; adjust the front end of the reel. If harvesting too rapidly, reduce the speed to suit the crop and field conditions. Also, check and adjust the gap between the cutter blades.
  • A
    Ann RichmondSep 8, 2025
    How to fix a stuck reel on Yanmar AW70V?
    • M
      michaeldrakeSep 8, 2025
      If the reel is stuck, it might be due to the angle of the reel tines being too small; adjust them properly. Alternatively, the reel might be too low; adjust it to a proper height.
  • D
    Dalton DorseySep 12, 2025
    How to prevent clay and stone from entering Yanmar AW70V Farm Equipment?
    • P
      patriciasandersSep 12, 2025
      To prevent clay and stone from entering, raise the header to a proper height.

Summary

Safety Instructions

Operator Safety Precautions

General safety advice on operator's physical condition and attire.

Pre-Operation Checks and Preparations

Important checks and preparations before operating the combine.

Pre-Test Run and Operation Safety

Essential safety checks and procedures before starting operation.

Operation and Moving Safety

Safety guidelines for operating and moving the combine in various conditions.

Loading and Unloading Safety

Safety measures and procedures for loading and unloading the combine.

General Operation Safety

General safety precautions during the operation of the combine.

Post-Operation and Maintenance Safety

Safety guidelines for maintenance and storage after operation.

Service and Warranty

Warranty Card Information

Importance of the warranty card for receiving after-sale services.

Handling Machine Abnormalities

Steps to take and information to provide when the machine malfunctions.

Spare Parts and Genuine Parts Guidance

Information on spare parts availability and the importance of using genuine parts.

Function of Parts

Engine and Operation Controls

Explains engine controls (key switch, accelerator) and operational levers (steering, reel, clutches).

Traveling and Electrical Systems

Covers traveling controls (shift levers, brakes) and electrical components (lamps, horn, alarms).

Operator and Safety Features

Details operator seat, engine room cover, header safety lock, and co-worker backrest.

Driving

Pre-Operation Checks

Essential pre-operation checks for safe and comfortable machine operation.

Engine Start and Stop Procedures

Step-by-step guide for starting and stopping the engine, including cold conditions.

Starting, Turning, and Parking

Procedures for starting, turning, and parking the combine safely.

Safe Traveling Operations

Guidelines for safe traveling, including warnings, speed, and emergency stopping.

Loading and Unloading on Truck

Detailed safety precautions and procedures for loading/unloading the combine onto a truck.

Operation

Crop and Field Conditions

Factors affecting harvesting, including crop length, moisture, diseases, and harvesting time.

Field Preparation and Harvesting Techniques

Preparing the field, efficient working, different harvesting methods, and turning safety.

Harvesting Operations and Adjustments

Procedures for harvesting, adjusting various components, and operating speed selection.

Specific Operations and Troubleshooting

Covers grain bag replacement, manual threshing, wet field operations, and alarms.

Maintenance after operation

Post-Operation Maintenance Tasks

General maintenance tasks after completing operations, including cleaning and lubrication.

Component Detaching and Opening Procedures

Procedures for safely detaching and opening various parts of the machine.

Engine Room Cover and Oiling;Greasing

Instructions for opening engine cover, oiling parts, and greasing specific points.

Cleaning Various Parts

Procedures for cleaning conveyors, feeder house, muffler, and air filter.

Long-time Storage Guidelines

Guidelines for storing the machine for extended periods to maintain optimal condition.

Periodic Inspection

General Maintenance Overview

Importance of maintenance, daily tasks, and general inspection guidelines.

Fluid Schedules and Replacements

Schedule for refueling, oiling, water supply, and replacing filters/oils.

Component Adjustments and Checks

Detailed procedures for checking/adjusting belts, chains, cutters, levers, and crawler.

Crawler Maintenance and Damage

Covers crawler structure, common damages, causes, and preventive measures.

Trouble shooting

Engine Section Troubleshooting

Troubleshooting common engine issues like starter motor not working or engine stopping.

Harvesting and Conveying Section Troubleshooting

Troubleshooting issues related to crop conveyance, reaping, and reel operation.

Threshing and Screening Section Troubleshooting

Troubleshooting problems in threshing and screening, such as low rotor speed or poor screening.

Technical Specification

Main Wearing Parts

Accessories

Others

Component Inspection and Replacement Schedule

Schedule for periodic inspections and replacement of major replaceable components.

Yanmar AW70V Specifications

General IconGeneral
BrandYanmar
ModelAW70V
CategoryFarm Equipment
LanguageEnglish

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