ETQ DG4LN Owner's Manual
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ETQ DG4LN Owner's Manual

Air-cooled diesel engine generator set
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OWNER'S MANUAL
Air-cooled diesel engine generator set
DG4LN / DG6LN
1

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Summary of Contents for ETQ DG4LN

  • Page 1 OWNER’S MANUAL Air-cooled diesel engine generator set DG4LN / DG6LN...
  • Page 2 • AC and DC outputs • Low oil pressure sensor The ETQ air-cooled diesel generators are widely used when electrical power is scarce. Our generators provide a portable mobile solution in supplying power for field operations during project construction. Some other known applications include pipeline construction and metal welding when electrical power is not available.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Page number Overall view of the generator set Chapter 1 Technical Specifications and Data 1-1 Technical specifications and data 1-2 Basic operating parameters 1-3 General dimensions and overview of the generators 1-4 Electric wiring diagrams for various models of generators Chapter 2 Operating the Diesel Generator 2-1 Main points of safety during operation of the generator 2-2 Preparation before operation...

  • Page 4: Overall View Of The Generator Set

    1. Overall view of the 6LN series 2. Overall view of the DG4LN series...

  • Page 5: Chapter 1 Technical Specifications And Data

    CHAPTER 1. TECHNICAL SPECIFICATIONS AND DATA 1-1 Technical specifications and data (in SI units) Item Model DG4LN DG6LN Generator Type 2 electrode single-phase synchronous brushless alternator Excitation Self-excitation voltage Voltage system Condenser compensation system Frequency (Hz) Rated power (kW) Max rated power (kW)
  • Page 6 Technical specifications in English units Item Model DG4LN DG6LN Generator Type 2 electrode single-phase synchronous brushless alternator Excitation Self-excitation voltage Voltage system Condenser compensation system Frequency (Hz) Rated power (kw) Max. rated power (kW) AC rated voltage (V) 120 / 240 DC rated output (V-A) 12-8.3...

  • Page 7: Basic Operating Parameters

    1-2 Basic operating parameters 1-1.1 Under the given conditions, the generator will output the specified power in the table listed below. Table 1. Height above sea level (ft) Ambient temperature ( +60 (+20 <3280.8 (<1000 m) 41~104 (5-40 1-3 General dimensions and overview of the generators 1-3.1 General dimensions of the LN series generators 1-3.2 Generator model numbering code D G 4 L N = Diesel Generator 4KW Low Noise...

  • Page 8: Electric Wiring Diagrams For Various Models Of Generators

    1-4 Electric wiring diagrams for various models of generators...

  • Page 11: Chapter 2 Operating The Diesel Generator

    CHAPTER 2 OPERATING THE DIESEL GENERATOR 2-1 General main points of safety during operation of the generator set. In order to operate the generator set safely, please follow all the instructions provided in this manual carefully. Doing so otherwise may lead to accidents and or equipment damage.
  • Page 12 Fig 2-1 Fig 2-2 Note: When connecting devices to the generator, make sure all other devices are rated lower than the generators output. Any generator socket should not be overloaded over its regulated limit 2-1.5 Other safety points Before operating this generator, all operators should have a good knowledge of how to break the circuit if any accidents occur.

  • Page 13: Preparation Before Operation

    2-2 Preparation before operation 2-2.1 Fuel choices and fuel treatment Air filter element Fuel tank Use only light diesel fuel. The fuel Do not wash the air filter. The should be filtered clean. Never let element is made of dry material, dust and water mix with fuel in the which does not permit washing.
  • Page 14 2-2.2 Filling engine oil Remove the dipstick from the engine Make sure the generator is on level ground, and fill the engine with 15W40 engine oil. Put the dipstick back into the hole to check the engine oil level. Engine oil is the most important factor in determining the life of your generator engine. If you use poor engine oil or if you don’t change the oil regularly, the piston and cylinder will wear easily or seize up.
  • Page 15 2-2.3 Checking the air filter (1) Loosen the butterfly nut, take the cover of the air filter off and take the air filter element out. (Note: Only certain welder generator sets have an electric fan incorporated on them.) Butterfly nut Before starting the generator, make sure the air switch is in the “Off”...

  • Page 16: Checking The Operation Of The Diesel Engine

    When you purchase a brand new 2-3.1 Low-pressure alarm system. engine, the engine must be ETQ diesel engines have a low- properly broken in. The break in pressure sensor system where if period is about 20 hours. the oil pressure drops too low,...
  • Page 17 position. 1. Insert key into ignition and put it in the “off” position. 2. Put the speed handle in the “Run” position. 3. Turn the start switch clockwise to the “START” position; (to set the silent type, first turn it clockwise to (3) Pull the recoil starter handle the “RUN”...
  • Page 18 2-4.3 Battery Important Notice: All of our units come with a dry battery for shipping safety purposes. In order to get your generator started for the first time; the battery must be filled with battery acid which can be purchased at a local automotive supply store and slowly charged (trickle charged) for a day.

  • Page 19: Procedures For Starting The Generator Set

    2-5 Procedures for starting the generator set This procedure applies to the L series recoil starting style models.

  • Page 21: Proper Operation Of The Generator Set

    2-6 Proper operation of the generator 2-6.2 Checks during engine operation 2-6.1 Operating the diesel engine 1. Pre-heat the diesel engine for 1. Check to see if there are 3 minutes under no load abnormal noises. conditions. 2. Check to see if the 2.
  • Page 22 switch in the GEN Please see Table 1-1 for (generator) position. The AC technical specifications of voltage from the socket of the what the generator can power supply can be output. output. In order to reset the 3. When connecting devices to generator after overdrawn the generator, make sure to power, let it sit for several...

  • Page 23: Stopping The Generator

    6. Finally, pull slowly on the 2-8 Stopping the generator 1. Take the electrical load off recoil handle until you feel the generator. resistance (this is when the 2. Put the speed handle in the piston is on the compression “RUN”...

  • Page 24: Chapter 3 Maintenance

    CHAPTER 3 MAINTENANCE 3-1 Maintenance schedules Keeping your generator well maintained will prolong the life of your generator. Everything needs to be checked including the diesel engine, generator, control cabinet, and frame. For overhauling procedures, please refer to the instruction manual of the relative subassembly.
  • Page 25 3-1.1 Changing the engine oil (every 3-1.3 Fuel filter maintenance 100 hours) 1. The fuel filter should be cleaned Take the oil cover off. Remove the oil often to keep the engine running drain plug when the diesel engine is still at maximum performance.

  • Page 26: Storing For Long Periods Of Time

    3-2 Storing for long periods of time If your generator needs to be stored for long periods of time, the following preparations should be made. 1. Start the diesel engine for 3 minutes then stop it. 2. When the engine is still hot, change the engine oil with new engine oil of the proper grade.

  • Page 27: Chapter 4 Troubleshooting

    CHAPTER 4 TROUBLESHOOTING 4-1 Troubleshooting procedures If you are still having trouble, please contact with your nearest dealer or with our company directly if necessary. 4-2 Questions and doubts If you do not understand anything or have any questions, please feel free to contact your local dealer or with our company directly.

  • Page 28: Chapter 5 Generator Parts Diagrams And Listings

    CHAPTER 5 GENERATOR PARTS DIAGRAMS AND LISTINGS...
  • Page 29 Figure 5-2. Overall view of engine generator assembly Table 5-1. Please refer to figure 5-2 for illustration Number Part Description Quantity Part Number (4LN / 6LN) ETQ series diesel engine ETQ4LN1 / ETQ6LN1 Starter Motor ETQ4LN2 / ETQ6LN2 Flywheel generator ETQ4LN3 / ETQ6LN3...
  • Page 30 Figure 5-3. Framework exploded view Table 5-2. Please refer to figure 5-3. Number Part Description Quantity Part Number (4LN / 6LN) Muffler cover plate ETQ4LN17 / ETQ6LN17 Muffler elbow ETQ4LN18 / ETQ6LN18 Left outer cover ETQ4LN19 / ETQ6LN19 Rear door ETQ4LN20 / ETQ6LN20 Fuel gauge ETQ4LN21 / ETQ6LN21...
  • Page 31 Figure 5-4. Electric panel parts drawing Table 5-3. Please refer to Figure 5-4 Number Part Description Quantity Part Number (4LN 6LN) Positive DC port ETQ4LN37 / ETQ6LN37 Negative DC port ETQ4LN38 / ETQ6LN38 Grounded bolt ETQ4LN39 / ETQ6LN39 Bolt ETQ4LN40 / ETQ6LN40 Large Nut ETQ4LN41 / ETQ6LN41 Bolt...
  • Page 32 Figure 5-5. Generator head assembly Table 5-4. Please refer to figure 5-5 Number Part Description Quantity Part Number (4LN / 6LN) Front end cover ETQ4LN64 / ETQ6LN64 Diode ETQ4LN65 / ETQ6LN65 M4 x 8 Bolt ETQ4LN66 / ETQ6LN66 Fan Blade ETQ4LN67 / ETQ6LN67 Bearing ETQ4LN68 / ETQ6LN68...
  • Page 33 Figure 5-6. Fuel system components Table 5-5. Please refer to figure 5-6. Number Part Description Quantity Part Number (4LN / 6LN) Fuel Cap ETQ4LN79 / ETQ6LN79 Seal ETQ4LN80 / ETQ6LN80 Filtering cup ETQ4LN81 / ETQ6LN81 M5 x 10 screw ETQ4LN82 / ETQ6LN82 Fuel lever indicator ETQ4LN83 / ETQ6LN83 M6 x 25 Bolt...

  • Page 34: Limited Warranty

    LIMITED WARRANTY Eastern Tools & Equipment, Inc. will repair or replace, free of charge, any part or parts of the generator that are defective in material or workmanship or both. Transportation charges on parts submitted for repair or replacement under this Warranty must be borne by purchaser. This warranty is effective for the time period and subject to the conditions provided for in this policy.

  • Page 35: Product Registration Card

    Improper maintenance: The life of an engine or your equipment depends upon the conditions under which it operates, and the care it receives. Some applications, such as tillers, pumps, and rotary movers, are very often used in dusty or dirty conditions, which can cause what appears to be premature, wear.

  • Page 36: List For Comments From Users

    List for comments from users Date of Manufacture Name of user Model Number Address of user Occupation Place of purchase Packaging conditions Operating conditions Parts Conditions Malfunction problem Opinions or suggestions Note: Please mail the above card to: Eastern Tools & Equipment, Inc. 12220 Rivera Rd, Suite B Whittier, CA 90606...

  • Page 37: Appendix

    Appendix: 1. Attached list of tools, fittings, and subassemblies Order No. Name Remarks Air-cooled diesel welder and generator set Plastic cover Plug and power supply 2. Attached technical documents Order No. Name Remarks Air cooled diesel welder and generator manual Diesel engine instruction manual Diesel engine parts listing Certificate of Quality...
  • Page 38 EASTERN TOOLS & EQUIPMENT, INC. TEL: 1-626-960-6299 FAX: 1-626-960-6244 WEB SITE.http://easterntools.com...

This manual is also suitable for:

Dg6ln

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