Honda GD320 Owner's Manual
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Honda GD320 Owner's Manual

Diesel engine
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  • Page 3 Failure to do so could result in injury or equipment damage. NOTE: If you purchased engine separately, be sure follow HONDA’s application recommendations. details, consult your authorized Honda engine dealer. HONDA MOTOR CO., LTD. 1990, ALL RIGHTS RESERVED...

  • Page 4: Table Of Contents

    CONTENTS 1. ENGINE SAFETY..............2. COMPONENT IDENTIFICATION..........3. BATTERY CONNECTIONS (For electric starter)......4. PRE-OPERATION CHECK............5. STARTING THE ENGINE ............6. STOPPING THE ENGINE ............7. MAINTENANCE ..............‘26 ..........8. TRANSPORTING/STORAGE............9. TROUBLESHOOTING..............

  • Page 5: Engine Safety

    1. ENGINE SAFETY Honda engines are designed to give safe and dependable service operated according to instructions. Read and understand this Owner’s Manual before operating the engine. Failure to do so could result in in- jury or equipment damage. To prevent...

  • Page 6: Component Identification

    COMPONENT IDENTIFICATION ENGINE SPEED CONTROL LEVE STOP LEVER (Dual lever type) CLEANER FUEL TANK CAP STARTER SWITCH (Electric starter type only) RECOIL STARTER- LOIL FILLER CAP ENGINE SPEED CONTROL LEVER (Single lever type)
  • Page 7 DECOMPRESSION LEVER (Electric starter type only) WATER DRAIN BOLT SERIAL NUMBER AND ENGINE TYPE - IENGINE OIL DRAIN PLUG...
  • Page 8 Starter Switch (electric start type only) This switch operates the electric starter. NOTE: This switch will not stop the engine. During operation, leave the starter switch at the “RUN” position. When the engine stops, move the starter switch to the “OFF” position.
  • Page 9 Engine Speed Control Levy Dual lever type Position this lever for the desired engine speed. ENGINE SPEED CONTROL LEVER HIGH SPEED (WARM UP) H Single lever type This lever is used to “start” and “stop” the engine as well as to adjust the engine speed.
  • Page 10 Decompression lever (electric starter type only) The electric starter type engine is equipped with a manual decompression device that makes it easier to pull-start the engine. When the lever is mov- ed up, it partially opens the exhaust valve and releases some compression from the cylinder.

  • Page 11: Battery Connections (For Electric Starter)

    BATTERY CONNECTIONS (For electric starter) Use a 12 volt battery with an ampere-hour rating of at least 28 AH. Connect the battery posive (+) cable to the starter solenoid terminal, shown. Connect the battery negative (-1 cable to an engine mounting bolt, frame bolt, or other good engine ground connection.

  • Page 12: Pre-Operation Check

    PRE-OPERATION CHECK 1. Engine oil Engine oil is a major factor affecting engine performance and service life. Be sure to check the engine on a level surface with the engine stopped. Use SAE low-30 engine oil certified to meet or exceed US automobile manufacturer’s requirements for API Service...
  • Page 13 2. Fuel Check the fuel level, and refill the tank if the level is low. 1 NOTICE ] d’ resel fuel only. Using gasoline,benzine, kerosene, or any other fuel could damage the engine. Use ONLY clean high-quality fuel Recommended fuel specifications: ASTM D-975-l -D/2-D Use grade No.
  • Page 14 3. Air cleaner 1 NOTICE 1 N ever run the engine without the air cleaner. Rapid engine wear will result. 1. Check the air cleaner elements to be sure they .are clean and in good condition. Clean or replace the elements if necessary (p.

  • Page 15: Starting The Engine

    5. STARTING THE ENGINE Starting the engine Exhaust contains poisonous carbon monoxide gas. Avoid halation of exhaust gases. Never run the engine in a closed garage or con- fined area. With recoil starter 1. (Dual lever type) a. Move the stop lever up to the “START” position.
  • Page 16 2. Pull the starter grip lightly until resistance is felt, and then return the grip to its original position. NOTE: If the engine is equipped with an electric starter, raise the decom- pression lever. DECOMPRESSION LEVER STARTER GRIP 3. Pull the starter grip briskly. (On electric start models the decompression lever will snap down automatically when the starter grip is pulled.1...
  • Page 17 When the engine is cold, set the control lever to the warm-up position (in the middle of HIGH SPEED and LOW SPEED) for about 3 minutes, order to warm it up to the operating temperature, after starting. 4. Position the engine speed control lever for the desired engine speed.
  • Page 18 With electric starter 1. (Dual lever type) a. Move the stop lever up to the “START” position. (Single lever type) b. Set the engine speed control lever to the “START” position marked ” 0, ‘I. ENGINE SPEED CONTROL LEVER...
  • Page 19 2. Turn the starter switch to the “‘START” position. Release the switch when the engine starts. It will return to the “RUN” position automatically. NOTE: Do not use the electric starter for more than 5 seconds at a time. If the engine fails to start, release the switch and wait 10 seconds before operating the starter again.

  • Page 20: Stopping The Engine

    STOPPING THE ENGINE Stopping the engine Attempting to stop the engine with the decompression lever will damage the engine (electric start models only). 1. (Dual lever type) a. Move the stop lever down to the “STOP” position. STOP LEVER ENGINE STOP ’ (Single lever type) b.
  • Page 21 2. (Electric start model) After the engine stops, move the starter switch to the “OFF” position. STARTER SWITCH...

  • Page 22: Maintenance

    NOTE Serwce more trequently wnen use,, I” (~“sry areas. (21 These items should be serviced by an authorized Honda dealer, unless the owner has the proper tools and is mechanically proficient. See the Honda Shop Manual. (3) The color of paper element is red. Also, it is marked with “Wet”.
  • Page 23 2. Install the drain plug and tighten it securely. 3. Refill with the recommended oil (see page IO) and check the oil level. 4. Install the oil filler cap. ENGINE OIL CAPACITY: GD320 1.15 e (1.22 US qt) GD410 1.25 P (I .32 US qt)
  • Page 24 2. Engine oil filter service clogged or restricted oil filter cause serious engine damage. The service intervals shown in the Maintenance Schedule on page 20 are the minimum. It may be necessary to service the oil filter more often than indicated.
  • Page 25 3. Air cleaner 1. Remove the wing nut and the air cleaner cover. Remove the elements and separate them. Carefully check both elements for holes or tears and replace if damaged. 2. Foam element: Clean at every 100 hours of operation or every months.
  • Page 26 4. Draining water from the fuel tank It is normal for water to collect in the bottom of the fuel tank. It is impor- tant to drain this water regularly. L!!%!?. Failure to drain water from the fuel tank can lead to engine damage.
  • Page 27 5. Spark arrester maintenance (Equipped type only) The muffler becomes very hot during operation and remains hot for a while after the engine stops. Be careful not to touch the muffler while it is hot. Allow it to cool before proceeding. The spark arrester must be serviced...

  • Page 28: Transporting/Storage

    TRANSPORTING/STORAGE Before storing the unit for an extended period: 1. Be sure the storage area is free of excessive humidity and dust. 2. Drain fuel into an approved gasoline container by removing the drain bolt at the bottom of fuel tank. Diesel fuel is extremely flammable and is explosive...

  • Page 29: Troubleshooting

    TROUBLESHOOTING Engine will not start: Is the starting procedure being followed carefully? Is there fuel in the tank? Is the stop switch lever in the ON position? (Dual lever type) Is the engine speed control lever in the correct position? (Single lever type)

  • Page 30: Specifications

    SPECIFICATIONS 1 Dimensions GD320 GD410 Description code lQIWIVIQl Length Width (I 5.9) (I 5.9) Height (I 8.5) (19.3) Dry weight (104:.8) (I 15940, Engine Engine type 4-stroke, overhead valve, 1 cylinder diesel 317 cm3 (19.3 cu in) 411 cm3 (25.1 cu in)

  • Page 31: Warranty Service

    Your purchase of a Honda engine is greatly appreciated by both your dealer and American Honda Motor Co., Inc. We want to assist you in every way possible to assure your complete satisfaction with your purchase.
  • Page 32 If you are dissatisfied with the decision made by the dealership's management, contact the Honda Regional Engine Distributor for your area (www.honda-engines.com/dea.htm). If you are still dissatisfied after speaking with the Regional Engine Distributor, you may contact the Honda Office as shown.
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This manual is also suitable for:

Gd410

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