1. Manuals
  2. Brands
  3. AirMan Manuals
  4. Portable Generator
  5. SDG25S-8A7
  6. Instruction manual

AirMan SDG25S-8A7 Instruction Manual

Engine generator, environmental containment base tank type
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the SDG25S-8A7 and is the answer not in the manual?

Questions and answers

Related Manuals for AirMan SDG25S-8A7

Summary of Contents for AirMan SDG25S-8A7

  • 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 3: Table Of Contents

    Table of Contents   Safety ...............................  1-1 Caution before Operation ........................  1-2 Caution during Operation ........................  1-4 Caution during Inspection and Maintenance ...................  1-6 Safety Warning Labels ........................  1-8 Part Names ..............................  2-1 Internal Components........................  2-1 Installation ...............................  3-1 Transporting Unit ...........................  3-1 Conditions of Unit Installation ...................... ...

  • Page 4: Safety

    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: Caution Before Operation

    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: Caution During Operation

    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: Caution During Inspection And Maintenance

    1.Safety Cautions 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 11: Safety Warning Labels

    Keep them clean at all times. If they are damaged or missing, immediately place an order with your nearest dealer for replacement. Part numbers are indicated on the lower right corner of the label. Adhere a new one to the original location. 39178 06030 39178 88820 SDG25S-8A7 SDG45S-8A6,SDG65S-8A6...
  • Page 12 1.Safety ● The pasting position of safe warning label is as follows. SDG25S-8A7 A070119 DETAIL OF INSTRUMENT PANEL...
  • Page 13 1.Safety SDG45S-8A6 A070120 DETAIL OF INSTRUMENT PANEL 1-10...
  • Page 14 1.Safety SDG65S-8A6 A070169 DETAIL OF INSTRUMENT PANEL 1-11...

  • Page 15: Part Names

    2. Part Names  2.1 Internal Components SDG25S-8A7   A070138 Description Function Control panel Panel fitted with various meters and controllers. Fuel filter Filtering device for filtering dust mixed in fuel oil. Engine oil filter For filtering engine oil. Air filter Filtering device for filtering dust floating in intake air.
  • Page 16 2. Part Names  SDG45S-8A6 5 6 7   11 10 A070139 Description Function Control panel Panel fitted with various meters and controllers. Engine For driving the generator main unit. Engine oil level gauge Scale for measuring engine oil level. Air filter Filtering device for filtering dust floating in intake air.
  • Page 17 2. Part Names  SDG65S-8A6 8 9 10   A070140 Description Function Control panel Panel fitted with various meters and controllers. Air filter Filtering device for filtering dust floating in intake air. Engine oil level gauge Scale for measuring engine oil level. Engine oil filter For filtering engine oil.

  • Page 18: Installation

    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 to secure it with rope Do not hoist up the machine while it is running.

  • Page 19: Conditions Of Unit Installation

    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 20 3. Installation How to locate the unit Never locate the unit with the exhaust muffler facing any private house: As the exhaust fume (gas) from the engine is poisonous, never direct it to any other persons passing by. ○ × Private house A050505 Installation...
  • Page 21 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 22: Grounding Method

    3.3.3 Ground System AIRMAN’s generators have a system ground that connects generator frame components to the ground terminals in the AC output receptacles. The AC neutral wire is connected to the system ground.
  • Page 23 3. Installation 3.3.4 GFCI (Ground-fault circuit interrupter) Receptacles     Using the generator in rain, snow or near water can lead to death from electric shock. Keep the generator dry. All of the 20 ampere 120 volt receptacles on the generator are protected by a GFCI (Ground-fault circuit interrupter) for protection against the hazards of ground fault currents.
  • Page 24 3. Installation Grounding method Machine grounding terminal Load equipment Grounding rod Grounding rod A070123...

  • Page 25: Selecting Cable

    3. Installation Selecting Cable Select a cable with sufficient diameter by considering the permissible current on the cable and the  distance from the generator to the load.   If the current flowing to the load exceeds the permissible current of the cable, resultant overheating may burn the cable.

  • Page 26: Selector Valve Of Fuel Pipe

    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 27: Operation

    4. Operation  4.1 Instrument panel A070121 SDG45S-8A6 1. Panel light switch 10. Starter switch 2. Frequency meter 11. Engine oil pressure gauge 3. Voltmeter 12. Coolant temperature gauge 4. Panel light 13. Ammeter for battery charge 5. Ammeter 14. Ammeter change-over switch 6.

  • Page 28: Protection Device

    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 29 4. Operation 4.2.2 Three-phase circuit-breaker In case overload and short-circuited wire connec- tion should occur, the circuit-breaker trips. When this is tripped, stop the unit immediately and reset the circuit breaker after getting rid of the causes of trouble. ＜How to reset＞ In order to reset the lever of circuit-breaker, press A040178 hard the lever downward till the lever sounds “click”.
  • Page 30 4. Operation  4.2.4 Circuit protector (CP) for AVR protection AVR is equipped with circuit-protector (CP) for protection against overcurrent. Under the following cases, it hap- pens to function. In case the machine gets overloaded while engine speed is still lower. In case the output voltage of generator is increased higher than the specified voltage.

  • Page 31: Connecting Load

    4. Operation 4.3 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. It may cause an electric shock, machine troubles and even a fire. Make sure to ground the machine and the load.
  • Page 32 4. Operation 4.3.1 Proper Connection of Three-phase Four-wire Type Terminal Never use voltage selector switch during operation During operation, do not operate voltage selector switch. Voltage selection during operation may cause abnormal voltage on the load side to damage the load and may cause a fire. In addition it could cause damage to generator and automatic voltage regulator (AVR).
  • Page 33 4. Operation 4.3.2 Auxiliary AC Power GFCI RECEPTACLES BREAKER AUX. RECEPTACLES BREAKER Auxiliary AC Power will be available independently of Auxiliary AC Power the position of will be available only voltage selector when the voltage se- switch. lector switch turned to 240/120V. GFCI RECEPTACLES AUX.RECECTACLES A040170-1...
  • Page 34 4. Operation  4.3.3 The Maximum Combined Simultaneous Power Consumption Never exceed the maximum combined simultaneous power consumption. The following chart shows the maximum power available from the 120V-20A GFCI receptacles during simultaneous consumption (main terminals and receptacles) for both single or three phase settings. Values shown in the left column give the maximum current available at the 120V-20A GFCI recepta- cles compared to the value of the simultaneous current consumption from the main terminals.

  • Page 35: Engine Oil･Coolant･Fuel

    4. Operation  4.4  Engine Oil・Coolant・Fuel 4.4.1 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. Relation between viscosity (SAE) and temperature SAE Viscosity number Temperature...

  • Page 36: Check Before Starting The Machine

    4. Operation  4.5 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 no- ticing its abnormality, such operation could cause seizure of components or may even cause fire.
  • Page 37 4. Operation  4.5.3 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 Do not, under any circumstance, bring lit cigarettes and/or matches to the fuel.

  • Page 38: Unit Operation

    4. Operation 4.6 Unit Operation Keep the door shut and locked when machine is in operation. If opening the door is necessary, be careful not to touch rotating or hot parts. Burns or serious injury could result. After the engine starts up, warm up it under unload for approx. five minutes. Warming up after starting up is necessary for smooth operation of the engine.
  • Page 39 4. Operation <Automatic operation> Inspection and maintenance prohibited during automatic operation Never put your hands close to the interior of the machine, be- cause the generator can be started when start signal functions even while the machine is in stop position. Before starting inspection and maintenance job, make sure to place the selector switch of automatic starting panel to “MAN”...
  • Page 40 4. Operation 2. Operating procedure ① Start the generator unit under the procedure of manual operation and adjust the frequency and voltage. ② Turn the starter switch to “STOP” position and stop the engine. ③ Turn the circuit breaker of output terminal “ON” after the generator unit stopped when you use the circuit breaker and single phase receptacle on the control panel.
  • Page 41 4. Operation  This machine is so designed for safety that operator may not touch the output terminal during opera- tion. If you open the output terminal cover during operation with three-phase breaker switched “ON” , the three-phase breaker will be “OFF” to cut power supply to the output terminal. When starting operation , make sure that the output terminal cover is closed.

  • Page 42: Stopping Procedures

    4. Operation 4.7 Stopping Procedures <Procedure> ① Switch “OFF” the breaker on the operation panel of the generator. ② After performing cooling down operation about 5 minutes, place the starter switch to the “STOP” position to stop the engine. ③ While the machine is kept unused, keep the operation selector switch placed to the “OFF” position. 4.8 Adjustment of frequency When it is necessary to adjust frequency during operation, take the following steps.

  • Page 43: Emergency Stop

    4. Operation 4.9 Emergency Stop The Emergency Stop button should be used only for emergency stop. Regularly check the operating performance. If it is necessary to stop the generator for emergency, press the Emergency Stop button . A040192 To reset the button, turn the button head in the direction of the arrow.

  • Page 44: Periodic Inspection/Maintenance

    5. Periodic Inspection/Maintenance  5.1 Important Items at Periodic Inspection and Maintenance or after Maintenance The manual shows proper interval for periodic inspection and maintenance under normally oper- ating conditions. Inspection and maintenance should be performed more often under extremely harsh conditions . Hang a Now Checking and under Maintenance tag Remove the starter key from the starter switch before starting inspection, and hang up a “Now Checking and...

  • Page 45: Daily Inspection And Keeping Operation Log

    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 46: Periodic Inspection List

    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 re- quire expert technical knowledge on them. ◎Refer to engine operation manual for inspection and maintenance of an engine.

  • Page 47: Maintenance

    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. Engine oil is very hot and highly pressurized during or just after the operation.
  • Page 48 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 When installing a new oil filter 1 , spread oil over the packing , and then screw it in. When the packing touches the sealing surface, further tighten the filter by approximately two-thirds turn with a filter wrench.
  • Page 49 5. Periodic Inspection/Maintenance 5.5.4 Check GFCI Receptacles [Monthly or 250 hours operation, whichever comes first.] If the generator is stored outdoors, unprotected from the weather, test the GFCI receptacle before each use. In case the GFCI has tripped due to the hazard of ground fault currents, investigate the cause and correct it.
  • Page 50 5. Periodic Inspection/Maintenance  5.5.6 Check and Clean Clogging of Air Filter Element [Every 250 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 51 5. Periodic Inspection/Maintenance  5.5.8 Check Condensate in Water Sedimentor [Every 250 hours] Check if the red float 1 in the water sedimentor rises up to the water drain level, then drain water if it is near the drain level 2 . <Procedure>...
  • Page 52 5. Periodic Inspection/Maintenance  5.5.9 Check Wiring of Each Part [Every 500 hours] Check each wiring for any loose connection, damage, disconnection, and short circuit. 5.5.10 Change Fuel Filter [Every 500 hours] <Procedure> ① Take out the cartridge by using a filter wrench ② After coating fuel on the new cartridge 1 packing 2 , screw it in.
  • Page 53 5. Periodic Inspection/Maintenance 5.5.13 Clean the strainer provided inside the engine feed pump [Every 1,000 hours] SDG45S Periodically remove the strainer“1”inside the feed pump, and clean it. Remove the strainer“1”by loosening the joint bolt and clean it with diesel fuel oil, and also using high air pressure blow.
  • Page 54 5. Periodic Inspection/Maintenance 5.5.15 Clean the strainer provided inside the sedimenter entrance (SDG65S only) [Every 1,000 hours] Periodically remove the strainer ”1” inside the sedi- menter entrance, and clean it. Remove the strainer ”1” by loosening the joint bolt and clean it with diesel fuel oil, and also using high air pressure blow.
  • Page 55 5. Periodic Inspection/Maintenance  5.5.18  Clean inside of the oil fence and check it for any rust [Every 1 years] <Procedure>  ① Remove the oil filler cap cover, fuel pipes and electric wire connected to the fuel tank. ② Remove 6 pieces of the bolts connecting oil fence and the machine with the lifting eye hooked with the crane.
  • Page 56 5. Periodic Inspection/Maintenance  5.5.19 Change Coolant [1,000 hours or every 2 years] Upon changing coolant Be sure to stop the machine and loosen the radiator cap slowly, after the coolant water is sufficiently cooled and the inner pressure is released, then take the cap off. If the following procedures are neglected, the radiator cap could be blown by the internal pressure or hot moisture air be blown out to cause burning.

  • Page 57: Maintenance & Adjustment

    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 58: Charge Battery

    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 59: Troubleshooting

    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 60 6. Maintenance/Adjustment    Symptom Cause Counter measures Even when operated (1) Faulty voltmeter Check/change at a rated speed, no (2) Poor tightening of terminals Check/repair voltage or too low (3) Broken or short-circuited winding of Check/repair voltage generated. generator main unit (4) Faulty AVR Check/change (5) Faulty silicon rectifier (Module type)

  • Page 61: Storage Of The Unit

    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 62: Specifications

    8. Specifications Specifications Model SDG25S-8A7 Brushless Exciting system Star with Neutral ZigZag Armature connection Phase number Three Single Power factor Frequency Rated output 14.4 Rated output 14.4 Voltage 240/120 Current Model ISUZU AA-4LE1 4-cycle, water-cooled, swirl chamber type Type Number of cylinders Total displacement cu.

  • Page 63: Specifications

    8. Specifications Model SDG45S-8A6 Brushless Exciting system Star with Neutral ZigZag Armature connection Phase number Three Single Power factor Frequency Rated output Rated output Voltage 240/120 Current Model NISSAN DIESEL 2A-BD30T 4-cycle, water-cooled, direct injection type with turbo charged Type Number of cylinders Total displacement cu.
  • Page 64 8. Specifications Model SDG65S-8A6 Brushless Exciting system Star with Neutral ZigZag Armature connection Phase number Three Single Power factor Frequency Rated output 36.5 Rated output 36.5 Voltage 240/120 Current Model ISUZU EE-4BG1T 4-cycle, water-cooled, direct injection type with turbo charged Type Number of cylinders Total displacement...

  • Page 65: Outline Drawing

    8. Specifications Outline drawing SDG25S-8A7...
  • Page 66 8. Specifications SDG25S-8A7...
  • Page 67 8. Specifications SDG45S-8A6...
  • Page 68 8. Specifications SDG45S-8A6...
  • Page 69 8. Specifications SDG65S-8A6...
  • Page 70 8. Specifications SDG65S-8A6...

  • Page 71: Wiring Diagram

    9. Wiring Diagram Generator Wiring Diagram SDG25S-8A7 A070160...
  • Page 72 9. Wiring Diagram SDG45S-8A6 A070161...
  • Page 73 9. Wiring Diagram SDG65S-8A6 A070162...

  • Page 74: Engine Wiring Diagram

    9. Wiring Diagram 9.2 Engine Wiring Diagram SDG25S-8A7 A070166...
  • Page 75 9. Wiring Diagram SDG45S-8A6 A070167...
  • Page 76 9. Wiring Diagram SDG65S-8A6 A070168...
  • Page 77   2006年  2月 27日  初版   2003年  4月 20日  改訂 北 越 工 業 株 式 会 社    発行    本社工場    新潟県燕市下粟生津3074      TEL ０２５６−９３−５５７１      FAX ０２５６−９４−７５６７ (無断複写・転載を禁ず) ＨＯＫＵＥＴＳＵ ＩＮＤＵＳＴＲＩＥＳ ＣＯ., ＬＴＤ.      8TH FLOOR SHINJUKU SAN‑EI BLDG,      22‑2 NISHI‑SHINJUKU 1‑CHOME,SHINJUKU‑KU      TOKYO 160‑0023 JAPAN        TEL:813‑3348‑7281        FAX:813‑3348‑7289        URL:http//www.airman.co.jp 39600 83720 PRINTED IN JAPAN 2007. 7...

This manual is also suitable for:

Sdg45s-8a6Sdg65s-8a6

Table of Contents