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AirMan SG Instruction Manual

AirMan SG Instruction Manual

Engine generator
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Summary of Contents for AirMan SG

  • Page 2 Preface Thank you for having selected our “AIRMAN” product. ◆ This manual explains about the proper operation and daily inspection and maintenance of this machine. ◆ In order to use a machine safely, people with sufficient knowledge and sufficient technology need to deal with it.
  • Page 4 1.Safety This manual explains and illustrates general requirements for safety and cautions for safety. Please read these safety requirements carefully and fully understand the contents before starting the machine. For your better recognition, according to the degree of potential danger harmful to a human body, safety messages are classified into three hierarchical categories, namely, , and with a caution symbol...
  • Page 5 1.Safety Caution before Operation Follow the safety instructions  Read each instruction plate which is displayed in the manual or on the machine carefully, understand its content and follow the indications thereof.  Keep the Safety Warning labels clean. When they are damaged or missing, apply new ones.
  • Page 6 1.Safety Safety outfit When handling machine, do not wear; loose clothes clothes with unbuttoned sleeves hanging tie or scarf dangling jewelry Such outfit could be caught in the machine or dragged in the rotating portion of the machine, and could cause a serious injury.
  • Page 7 1.Safety 1.2 Caution during Operation Never touch the output terminals and interior of control board Never touch the output terminals during operation. Notice that the voltage of several hundreds volt is applied to the output terminal. When removing or connecting a connecting cable for changing load, be sure to switch OFF the circuit breaker, remove the starter key from the starter switch, then carry out a work.
  • Page 8 1.Safety Do not touch hot parts  Never work nearby hot portions of the machine while it is running.  Do not touch hot portions of the machine while inspecting the machine when running.  Such parts as engine, exhaust manifold, exhaust pipe, muffler, and radiator are especially hot, so never touch those parts, because it could cause scalding.
  • Page 9 1.Safety Caution during Inspection and Maintenance Hang a “Now Checking and under Maintenance” tag  Before starting inspection, switch off the circuit breaker of this machine, remove the starter key from the starter switch, and then hang a “Now Checking and under Maintenance” tag where it can be easily seen.
  • Page 10 1.Safety Lighting apparatus  It is recommended to use a lamp with safety guard fitted where the site is dark. Operating the machine gropingly or by relying on one’s intuition could cause unexpected accidents. Any lamps without safety guard are not recommended since they can be broken and they could ignite flammables such as fuel, etc.
  • Page 13 2. Part Names 2.1 Internal Components A090435 Description Function Generator main unit Device for generating AC power. Engine For driving the generator main unit. Engine oil filler port For supplying and replenishing engine oil to engine. Engine oil level gauge Scale for measuring engine oil level.
  • Page 14 2. Part Names A090436 Description Function Radiator Device for engine cooling water. Fuel filter Filtering device for filtering dust mixed in fuel oil. Air filter Filtering device for filtering dust floating in intake air. Control panel Panel fitted with various meters and controllers. Engine oil filter For filtering engine oil.
  • Page 15 3. Installation Transporting Unit Transportation Use the lifting bail “1” at the center of bonnet for hoisting up and down the machine. Since the rope hook is not strong enough to be used for hoisting, never use it to prevent falling accident. When transporting the machine, be sure to put it on the truck bed and use the rope hooks “...
  • Page 16 3. Installation Conditions of Unit Installation Ventilation Exhaust gas from the engine is poisonous, and it could cause casualties when it is inhaled. Avoid using the machine in an insufficiently ventilated building or a tunnel. When the machine is unavoidably used in such insufficiently ventilated place, ventilation devices and ventilation pipe should be provided for better ventilation.
  • Page 18 3. Installation Preparation of safety fences In order to prevent from entering the jobsite or touching the equipment any other persons than the persons engaged in the job, please prepare for safety fences Safety fences around the unit: A050507...
  • Page 19 3. Installation Leakage Protection Device and Grounding Method Caution on Grounding  Make sure to perform grounding connection of the external body of load. If such grounding connection is neglected or fails, it can cause electric shock to human body by leaked current, leading to serious accident as death.
  • Page 20 3. Installation Independent grounding method Leakage relay ground terminal(E) Load equipment Machine grounding terminal Grounding rod Grounding rod A090403E Common grounding method Leakage relay ground terminal(E) Load equipment Machine grounding terminal Grounding rod Grounding rod A090404E...
  • Page 22 3. Installation Selector Valve of Fuel Pipe  Always keep watching the fuel feeding conditions while feeding fuel from a separate fuel storage tank separately installed.  In order to use a separator fuel storage tank, be sure to change the handles of the selector valves to a predetermined position.
  • Page 23 4. Operation 4.1 Instrument panel 17 16 15 A090405E 1. Monitor lamp (for details, see 4.2.1) 10. Circuit breaker 2. Engine water temperature gauge 11. Leakage relay 3. Fuel gauge 12. Current selection 4. Tachometer with hourmeter 13. Voltage adjuster 5.
  • Page 24 4. Operation 4.2 Protection device For prevention of troubles during operation, this machine is provided with various protection devices. When the engine stops due to function of the protection devices and circuit breaker trips, get rid of the causes of trouble, referring to the trouble shooting clause and then restart operation. List of protection devices 4.2.1 This machine is equipped with the following devices in the table.
  • Page 26 4. Operation 4.2.5 Circuit protector (CP) for AVR protection AVR is equipped with circuit-protector (CP) for protection against over current. Under the following cases, it happens to function.  In case the machine gets overloaded while engine speed is still lower. ...
  • Page 27 4. Operation 4.4 How To Switch Voltages  It is possible to select 3 phase 4 wire 200 volt or 3 phase 4 wire 400 volt. But before starting operation, make sure to confirm the voltage set for the machine without fail. If any load is connected to the machine with the wrong voltage set, it can cause damage or burning accident to the load.
  • Page 28 4. Operation 4.5 Connecting Load Electric shock and electric leak  Make sure not to connect the output terminal of the machine with the commercial power source from electric power company. This is not only prohibited by the regulations, but it may cause an electric shock, machine troubles and even a fire.
  • Page 29 4. Operation Install a switch between the output terminal and the load to switch on/off the load. Do not switch the load on/off directly by the circuit-breaker of Switch panel for switching on/off load the machine. It could cause damage to the Connect the connecting cable to the load so that the output terminals should not touch each other.
  • Page 30 4. Operation 4.5.2 How to connect single phase load The method of connection of 3 phase 4 wire single phase load is as follows. The allowable current limit shall not exceed the values in the following table. Conditions of load Allowable current limit Conditions Allowable current limit up...
  • Page 31 4. Operation 4.6 Engine Oil・Coolant・Fuel 4.6.1 Engine oil  Viscosity of engine oil greatly affects startability, performance, oil consumption of the engine, as well as wear of the moving parts.  Choose appropriate oil based upon the table below according to the outside air temperature. Ambient temperature range and oil viscosity (SAE) A100293E *When the unit is delivered from factory, it is filled with...
  • Page 32 4. Operation 4.7 Check before Starting the Machine Check before starting the unit Be sure to check the machine before operation. When any abnormality is found, be sure to repair it before starting the unit. Be sure to make daily check before operation. If the unit is operated without prior check and without noticing its abnormality, such operation could cause seizure of components or may even cause fire.
  • Page 33 4. Operation 4.7.3 Check fuel  Before starting operation, make sure to check the level of residual fuel so that fuel shortage during operation can be avoided.  If necessary, drain condensate accumulated at the bottom of the fuel tank. Fire prevention ...
  • Page 34 4. Operation 4.7.6 Check belt tension  If belt tension too tight, it can cause shaft breakage or shorten the life of a bearing. If too loose, the belt may slip and will cause early breakage or damage to the belt. 1.
  • Page 35 4. Operation 4.7.7 Check leakage relay operation Never attempt to test the leakage relay by way of human body. In case the leakage relay has tripped due to leakage, always investigate the cause to remove it. Regularly check the relay operation for safety. <Procedure>...
  • Page 36 4. Operation 4.8 Operation and Stopping Never touch the interior of output terminals ,control board  Keep the output terminal cover shut and locked whenever the machine is running. Notice that the voltage of several hundreds volt is applied to the output terminal and control board. ...
  • Page 37 4. Operation 4.8.1 Procedure to start the unit Follow the starting procedure below. <When engine starts> ① Make sure that both circuit breaker (dedicated to single phase) “1” and circuit breaker “ 2” are “ OFF” . (In cold seasons, place operation mode selector switch“3”to“Warming up”). ②...
  • Page 38 4. Operation 4.8.2 Gauge indication while operating  During normal operation, each indication of instruments is shown in the table below. Refer to the table for daily checks. Indicator Monitor lamp Frequency lamp Voltmeter Ammeter meter (V) (A) Engine oil Water Engine Engine...
  • Page 40 5. Periodic Inspection/Maintenance 5.1 Important Items at Periodic Inspection and Maintenance or after Maintenance The following table shows the inspection and maintenance intervals under normal operation conditions. When used or operated under hard environmental conditions, it is impossible to warrant the unit even if the above conditions are performed according to the intervals listed in the above table.
  • Page 41 5. Periodic Inspection/Maintenance 5.2 Daily Inspection and Keeping Operation Log  Be sure to carry out daily inspection every morning before operation. See Chapter 4“OPERATION” of the manual for the details of inspection.  Pay attention to and carefully observe the following points during daily operation or inspection and maintenance work.
  • Page 42 5. Periodic Inspection/Maintenance 5.4 Periodic Inspection List Such items marked shall be carried out by customers. ○ For the following items or clauses marked ●, contact us directly or our distributors because they require expert technical knowledge on them. The following table shows the intervals of inspection and maintenance under normal operation conditions. Inspection and maintenance should be done at either of the hour or the period mentioned in the remarks column, whichever comes earlier.
  • Page 43 5. Periodic Inspection/Maintenance 5.5 Maintenance 5.5.1 Change engine oil [At 50 hours for the first change and every 500 hours thereafter] Caution in filling or draining engine oil  When checking, replenishing, and draining the engine oil, be sure to wait 10 to 20 minutes after engine stops until it cools down. ...
  • Page 44 5. Periodic Inspection/Maintenance 5.5.2 Change engine oil filter [At 50 hours for the first change and every 500 hours thereafter] <Procedure> ① Drain condensate from the engine oil filter by loosening the drain plug“1”. ② Remove the center bolts“2”and then take out element“3” and“4”.
  • Page 48 5. Periodic Inspection/Maintenance 5.5.10 Check for crack and leak on the exhaust flexible pipe [Every 4 months or every 500 hours] Exhaust flexible pipe Crack Check for any crack and gas leak on the flexible pipe and exhaust between flexible pipe between engine exhaust outlet and the flexible pipe.
  • Page 49 5. Periodic Inspection/Maintenance 5.5.13 Change air filter element [Every 1,000 hours] Be sure to properly clean air filter element When an element that is clogged or has holes or cracks is used, dust or foreign material will get in the engine.
  • Page 52 6. Maintenance/Adjustment 6.1 Maintenance of Battery Handling battery Keep flames away from battery. Battery may generate hydrogen gas and may explode. Therefore, recharging should be done at a well-ventilated place. Do not spark near the battery nor light a match, nor bring lit cigarette and match close to the battery.
  • Page 53 6. Maintenance/Adjustment 6.1.1 Charge Battery Disconnect the cable between battery and the unit, and Battery charge the battery with a 12 V battery charger. Do not charge two batteries at the same time. Be sure not to connect (+) and (–) terminals backwards. Be sure to read the operation manual of the battery charger to know if it is applicable, before using it.
  • Page 54 6. Maintenance/Adjustment 6.2 Troubleshooting  Should any trouble occur during operation, do not leave it. Investigate the cause and take appropriate measures.  Read the manual carefully and fully understand what to do in case of trouble.  The better you understand the construction and function of the unit, the faster you can find a problem and solution.
  • Page 55 6. Maintenance/Adjustment Symptom Cause Counter measures Circuit breaker (1) Overloaded Reduce the load trips. (2) Short-circuit occurred at the load side. Get rid of cause of short-circuiting. Even when (1) Faulty voltmeter Check/change operated at a rated (2) Poor tightening of terminals Check/repair speed, no voltage or (3) Broken or short-circuited winding of...
  • Page 56 6. Maintenance/Adjustment 6.2.1 Engine trouble  This is equipped with controller which memorizes engine troubles. When engine fails, warning lamp“1” or emergency lamp“2”goes on. For the details of the troubles, press trouble diagnosis switch “3” and then the trouble conditions are displayed. <Procedure>...
  • Page 57 6. Maintenance/Adjustment [List of diagnostic codes] Some examples of diagnostic codes are mentioned in the following table. Concerning the codes of trouble conditions, they are grouped into decades of the trouble kinds. For the details and countermeasures, contact our office nearby or distributor because technical knowledge is required.
  • Page 58 7. Storage of the Unit 7.1 Preparation for Long-term Storage When the unit is left unused or not operated longer than half a year (6 months), store it at the dry place where no dust exists after the following treatments have been done to it. Put the unit in a temporary cabin if it is stored outside.
  • Page 59 8. Specifications Specifications Model SDG220S-3A6 Specifications Dual Voltage Type Exciting system Brushless Phase number Three-phase, four-wire system Power factor Frequency Rated output Rated output Voltage 380/400 Current 304/289 Voltage 1.5×2 set 1.65×2 set Outlet (4 shares in total) (4 shares in total) MITSUBISHI FUSO TRUCK &...
  • Page 63 10. Piping Diagram 10.1 Fuel piping A090427E 10-1...

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Sdg220s-3a6