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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.  If you need these manuals, please call our company and we will 
send you one.   
 
Before starting the maintenance, make sure the diesel engine is off.   
 
Please refer to the Table 3-1 for the proper maintenance schedule. 
 

Table 3-1.  Maintenance schedule for diesel welder generator set 

 

 
 

 

Summary of Contents for DG4LE

Page 1: ...OWNER S MANUAL Air cooled diesel engine generator set DG4LE DG6LE 1...

Page 2: ...ct fuel injection system Recoil starter or an optional electric starter Large fuel tank Automatic voltage stabilizer NFB circuit protector AC and DC outputs Low oil pressure sensor The ETQ air cooled...

Page 3: ...ecking the operation of the diesel engine 16 2 4 Starting the generator set 16 2 5 Procedures for starting the generator set 19 2 6 Proper operation of the generator set 21 2 7 Loading 21 2 8 Stopping...

Page 4: ...4 2 Overall view of DG4LE series 4 Overall view of DG6LE 3P series 1 Overall view of DG3LE series 3 Overall view of DG6LE series...

Page 5: ...excitation voltage Generator Insulation B Engine model ETQ170FG ETQ178FG ETQ186FG ETQ186FG Type Single cylinder vertical 4 stroke air cooled direct injection Continuous kw 2 98 4 40 6 6 6 6 Output Ma...

Page 6: ...model ETQ170FG ETQ178FG ETQ186FG ETQ186FG Type Single cylinder vertical 4 stroke air cooled direct injection Continuous HP 4 0 5 9 8 85 8 85 Outp ut Maximum HP 4 5 6 6 9 85 9 85 Bore x Stroke in 2 76...

Page 7: ...or will output the specified power in the table listed below Table 1 Height above sea level ft Ambient temperature o F RH 0 60 20 o C 60 3280 8 1000 m 41 104 5 40 o C 90 1 3 General dimensions and ove...

Page 8: ...8 1 4 Electric wiring diagrams for various models of generators Wiring diagrams for the LE models...

Page 9: ...9...

Page 10: ...10...

Page 11: ...nd may lead to failure of the engine 2 1 2 Prevention from inhaling exhaust gases Never inhale exhaust gases emitted by the engine The exhaust gases contain toxic carbon monoxide Never operate your ge...

Page 12: ...ith all the switches and functions of the generator before using this machine While operating the generator wear safe shoes and suitable clothes during operation Always keep children and animals away...

Page 13: ...d be filtered clean Never let dust and water mix with fuel in the fuel tank Otherwise it will clog the fuel lines and oil nozzles It may also damage your pressure pump Note It is dangerous to overfill...

Page 14: ...ly the piston and cylinder will wear easily or seize up Also the life of the other parts in your engine such as bearings and other rotating parts will shorten considerably Although there is an alarm s...

Page 15: ...switch in the On switch is very dangerous Air filter cover The generator should be grounded in order to prevent electric shock Use dry compressed air with pressure about 1 96 x 105 Pa to blow the dus...

Page 16: ...engine the engine oil can slow the engine down considerably 2 3 2 How to open the case door cover 1 Open the case door turn the handle counterclockwise and open the door Do these checks daily 2 Loose...

Page 17: ...dy this pull the rubber plug out from the rocker of the diesel engine and fill 2 ml of engine oil Before starting put the rubber plug back in place If you don t put the rubber plug back in place rain...

Page 18: ...aintain your battery check the height of the battery acid once a month If the level of the liquid drops too low fill it with distilled water until it reaches the high mark If there is not enough batte...

Page 19: ...19 2 5 Procedures for starting the generator set This procedure applies to the L series recoil starting style models...

Page 20: ...20...

Page 21: ...ether it is too black or too white If any of these conditions exist stop the engine and find the cause of the problem If no problems are found please contact your local dealer or our nearest company b...

Page 22: ...rt more than two devices simultaneously Each device should be started one by one to prevent overloading the generator The generator should be running at 3600 revolutions per minute in order to achieve...

Page 23: ...to the Off position 5 Put the fuel handle to the S position 6 Finally pull slowly on the recoil handle until you feel resistance this is when the piston is on the compression stroke where the intake...

Page 24: ...tor control cabinet and frame For overhauling procedures please refer to the instruction manual of the relative subassembly If you need these manuals please call our company and we will send you one B...

Page 25: ...tank b Loosen the small screws on the fuel switch and remove the fuel filter form the port Use diesel fuel to clean the fuel filter Also remove the fuel injector and clean the carbon deposit around it...

Page 26: ...s press the decompression handle down and pull the recoil handle 2 or 3 times This pushes the intake out Do not start the engine 5 For electric started generator welders press the decompression handle...

Page 27: ...ny questions please feel free to contact your local dealer or with our company directly Below is a list of some information you should have ready before contacting your local dealer or us 1 Model of d...

Page 28: ...l generator 1 ETQ4LE3 ETQ6LE3 4 Bolt 2 ETQ4LE4 ETQ6LE4 5 Voltage Regulator 1 ETQ4LE5 ETQ6LE5 6 Battery Cable red 1 ETQ4LE6 ETQ6LE6 7 Battery Cable black 1 ETQ4LE7 ETQ6LE7 8 Battery 1 ETQ4LE8 ETQ6LE8 9...

Page 29: ...29 Figure 5 3 Exploded view of frame assembly...

Page 30: ...8 23 Spring washer 6 1 ETQ4LE39 ETQ6LE39 24 M6 x 35 Bolt 1 ETQ4LE40 ETQ6LE40 25 M10 Nut 2 ETQ4LE41 ETQ6LE41 26 Spring washer 10 2 ETQ4LE42 ETQ6LE42 27 Flat washer 10 2 ETQ4LE43 ETQ6LE43 28 M10 x 20 2...

Page 31: ...E77 10 3 prong Socket 2 ETQ4LE78 ETQ6LE78 11 Bolt 6 ETQ4LE79 ETQ6LE79 12 Electric panel bolt 6 ETQ4LE80 ETQ6LE80 13 Electric Panel 1 ETQ4LE81 ETQ6LE81 14 Starter switch 1 ETQ4LE82 ETQ6LE82 15 Large nu...

Page 32: ...E98 4 Fan Blade 1 ETQ4LE99 ETQ6LE99 5 Bearing 1 ETQ4LE100 ETQ6LE100 6 Rotor Unit 1 ETQ4LE101 ETQ6LE101 7 Center bolt 1 ETQ4LE102 ETQ6LE102 8 Motor cover 1 ETQ4LE103 ETQ6LE103 9 Stator 1 ETQ4LE104 ETQ6...

Page 33: ...Shock absorbing gasket 4 ETQ4LE119 ETQ6LE119 10 Fuel tank 1 ETQ4LE120 ETQ6LE120 11 M6 Nut 4 ETQ4LE121 ETQ6LE121 12 O ring seal 1 ETQ4LE122 ETQ6LE122 13 Fuel tank filter 1 ETQ4LE123 ETQ6LE123 14 O ring...

Page 34: ...S A AND CANADA ENGINES CONSUMER USE COMMERCIAL USA CONSUMER USE COMMERCIAL USE DIESEL GENERATOR 1 year or 1000 hours 1 year or 1000 hours 1 year or 1000 hours 1 year or 1000 hours About Your Product...

Page 35: ...ves 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 Such wear when caused by dirt dust spar...

Page 36: ...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 East...

Page 37: ...iesel welder and generator set 1 2 Kit 1 3 Plastic cover 1 4 Plug and power supply 1 2 Attached technical documents Order No Name Qty Remarks 1 Air cooled diesel welder and generator manual 1 2 Diesel...

Page 38: ...38 EASTERN TOOLS EQUIPMENT INC TEL 1 626 960 6299 FAX 1 626 960 6244 WEB SITE http easterntools com...

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