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AirMan SDG60S-3A6 Instruction Manual

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Summary of Contents for AirMan SDG60S-3A6

  • Page 2 ◆  This manual explains and illustrates proper handling of the unit, method of daily inspection and maintenance to enhance the performance of AIRMAN’s generators. ◆  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 Unit Appearance and Part Names ....................  2-1 Internal Components........................ ...

  • 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 Opening coolant water drain valve Be sure to stop the engine, and let the coolant water sufficiently cool down before draining it. If the drain valve is opened before the coolant water is cooled enough, hot water could jet out, and it could cause scalding. H990432 Refilling or draining of engine oil After stopping the engine, wait 10 to 20 minutes until the engine...

  • Page 12: Part Names

    2. Part Names   2.1 Unit Appearance and Part Names A050514E 4. Fuel filler port 1.Rope hook 5. Door 2.Lifting bail 6. Instrument panel 3.Exhaust outlet    ...

  • Page 13: Internal Components

    2. Part Names   2.2 Internal Components   9 10   A050555 1. Control panel 9. Engine oil filler port 2. Air filter 10. Radiator 3. Engine oil level gauge 11. Fuel tank 4. Engine oil filter 12. Fuel air-bleeding electromagnetic pump 5.

  • Page 18: Installation

    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 19 3. Installation Independent grounding method Leakage relay ground terminal (E) Machine grounding Load equipment terminal Grounding rod Grounding rod A050314 Common grounding method Leakage relay ground terminal (E) Machine grounding Load equipment terminal Grounding rod Grounding rod   A050315...

  • Page 20: 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 machine to the load.   If the current flowing to the load exceeds the permissible current of the cable, resultant overheating may burn the cable.

  • Page 21: Selector Valve Of Fuel Pipe

    3. Installation Selector Valve of Fuel Pipe In order to use a separator fuel storage tank, be sure to change the handles of the selector valves to a predetermined position. If you make a mistake in turning the handles, it can burst the fuel pipe and cause overflowing.

  • Page 22: Operation

    4. Operation   4.1 Instrument panel A050531-1E 1. Output in dicator lamp 10. Monitor lamp (for details, see 4.2.1) 2. Voltmeter 11. Starter switch 3. Ammeter 12. Current selection switch 4. Panel light switch 13. Voltage regulator 5. Frequency meter 14.
  • Page 28 4. Operation   Install a switch between the output terminal and the load to switch on/off the load. Do not switch Switch panel for the load on/off directly by the circuit-breaker of the switching on/off load 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 29 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  ...
  • Page 30 4. Operation   4.5.3 Single Phase Output (100/110V 50/60Hz) In the output terminal portion the single phase output terminal (U ) (W ) two set and the auxiliary receptacle are provided. When the AC ammeter indicates 200/220V and 400/440V, the single phase output voltage is 100/110V.

  • Page 31: Engine Oil・Coolant・Fuel

    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. Relation between viscosity (SAE) and temperature SAE Viscosity number Temperature...

  • Page 32: Check Before Starting The Machine

    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 Level Check fuel level gauge before operation. Replenish enough fuel to prevent fuel shortage during operation. Fire prevention Do not, under any circumstance, bring lit cigarettes and/or matches to the fuel. The fuel is extremely flammable and dangerous. Be careful of fire because it is very likely to catch fire.
  • Page 34 4. Operation   4.7.5 Check V-belt Tension If V-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. Adjust the fan belt and alternator V-belt by the following procedure: Depress the middle of...

  • Page 35: Operation And Stopping

    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. When opening the door unavoidably, be careful not to touch the rotating parts and hot parts.
  • Page 37 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. Monitor lamp Voltmeter Frequency Ammeter meter Engine oil Engine Water Leak Charge (Hz) pressure temp.
  • Page 38 4. Operation   4.8.6 Fuel Line Air Bleeding Device If the unit runs out of fuel, bleed the air, according to the following procedures. ＜Procedure＞ ①  Replenish fuel. ②  Turn the starter switch to “RUN” position. Then the electric pump stars to automatically bleed air caught in fuel pipes. ③ ...

  • Page 39: 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 operating 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 40: 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 41: 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 require expert technical knowledge on them. ◎Refer to engine operation manual for inspection and maintenance of an engine.

  • Page 45: Check And Clean Clogging Of Air Filter Element

    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 46: Check Battery Electrolyte

    5. Periodic Inspection/Maintenance   5.5.8 Check Battery electrolyte and specific gravity of battery electrolyte [Battery electrolyte : every 250 hours] [Specific gravity of battery electrolyte : every 500 hours] If there to be a problem in starting an engine due to a flat battery, carry out the checks by following the procedures below: (1) Ordinary type battery: Measure specific gravity of battery electrolyte, and if it shows below 1.24, recharge the battery...

  • Page 47: Change Filter Inside The Fuel Air-Bleeding Electromagnetic Pump

    5. Periodic Inspection/Maintenance   5.5.12 Change Filter inside the fuel air-bleeding electromagnetic pump [Every 1,000 hours] Turn the cap “1” counterclockwise to remove it, change the filter “2” inside. (See 5.3.) As the fuel inside spills out when it is removed, prepare a fuel receiver.

  • Page 48: Change Coolant.(Llc)

    5. Periodic Inspection/Maintenance   5.5.15 Change Coolant [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 49: 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 51: 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 52 6. Maintenance/Adjustment     Symptom Cause Counter measures Even when (1) Faulty voltmeter Check/change operated at a rated (2) Poor tightening of terminals Check/repair speed, no voltage (3) Broken or short-circuited winding of Check/repair or too low voltage generator main unit generated.

  • Page 53: Storage Of The Unit

    7. Storage of the Unit   7.1 Preparation for Long-term Storage When the unit is to be kept unused in storage for a long time, be sure to follow the preparations below and put the unit in a dry and less dusty place. Put the unit in a temporary cabin if it is stored outside.

  • Page 54: Specifications

    8. Specifications Specifications Model SDG60S-3A6 Specifications Double Voltage Type Brushless system Exciting system Three-phase, four-wire system Phase number Power factor Frequency Rated output Rated output Voltage 400(380) Current 72.0(76.0) 78.5 Voltage 7.5×2 8.25×2 Exclusive terminal 1.5×2 1.65×2 Outlet Model ISUZU BB-4BG1T...

  • Page 56: Wiring Diagram

    9. Wiring Diagram 9.1 Generator Wiring Diagram A050545E...

  • Page 57: Engine Wiring Diagram

    9. Wiring Diagram 9.2 Engine Wiring Diagram A050539E...
  • Page 58 ＨＯＫＵＥＴＳＵ ＩＮＤＵＳＴＲＩＥＳ ＣＯ., ＬＴＤ.      12TH FLOOR SHINJUKU SAN‑EI BLDG,      22‑2 NISHI‑SHINJUKU 1‑CHOME,SHINJUKU‑KU      TOKYO 160‑0023 JAPAN      TEL:TOKYO 813(3348)7281      FAX:TOKYO 813(3348)7289      URL:http//www.airman.co.jp 39600 66220 PRINTED IN JAPAN 2005.12...

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