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Hokuetsu AIRMAN PDS185S-6EZ1 Instruction Manual

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Summary of Contents for Hokuetsu AIRMAN PDS185S-6EZ1

  • Page 2: Table Of Contents

    Preface / Table of Contents Thank you for having selected our “AIRMAN” product.  Keep this manual at hand to refer to it always when necessary.  When this manual is missing or damaged, order it from our office nearby or distributor. Make sure that the manual is included with the machine when it is handed over to another user.
  • Page 3 Safety This section explains safety cautions for safety work for operation, inspection, maintenance, installation, movement and transportation. Read these safety requirements carefully and fully understand the contents before starting the machine. For your better understanding of the precautions in this manual and on this machine, safety precautions are classified into “DANGER”, “WARNING”...
  • Page 4 Safety  Please tell us a MODEL /SER.No. on the plate of the machine when you make an inquiry. A plate stamped with the model and serial number is attached to side of the machine. ※ Each illustrated figure (Fig.) has a number (for instance, A130375) at the right bottom.
  • Page 5 Safety [Safety Warning Labels] Following labels are attached to the machine. 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.
  • Page 6 Safety  The pasting position of safety warning labels is as follows.
  • Page 7 Safety  Compressed air from this machine contains poisonous materials. Absorption of the compressed air can cause serious injury. Never provide this compressed air for human respiration.  This machine is not designed to be used for working chambers pressurized by compressed air such as respiratory air provided to persons working inside wells and tunnels such as pneumatic engineering method and TR0201-1...
  • Page 8 Safety  When cleaning dust accumulated in such devices as the air-filter, by blowing compressed air, wear safety glasses, etc. to protect your eyes. M003  Be sure to stop the engine, and let the coolant water sufficiently cool down before draining it.

  • Page 9: Part Names

    1. Part Names 1.1 Internal Components and Part Names 2 3 4 10 11 21 20 19 18 17 16 15 13 12 A220291 Description Function Separator receiver tank For separating air and oil from compressed air in the system. For keeping the pressure in separator receiver tank constantly Pressure control valve higher than a certain level in the system.
  • Page 10 1. Part Names A220292 Description Function DOC (Diesel Oxidation Catalyst) Catalyst for oxidizing exhaust gas. Radiator Device that cools the engine coolant. Engine For driving the compressor. Solenoid valve for starting unload For reducing load at start-up. Compressor oil filter For filtering compressor oil circulating in the system.

  • Page 11: Installation

    2. Installation 2.1 Transportation  When loading and unloading the machine, be sure to use the lifting bail [A] provided on the center of the machine top. 2.1.1 Lifting up <Procedures> 1. Before lifting the machine up, make sure to check the lifting bail [A] for any crack or loosened bolts.

  • Page 12: Towing The Machine

    2. Installation 2.2 Towing the Machine Caution for towing the machine  Before towing the machine, make sure to check and confirm that the following points have no problem. Tire air pressure is proper.  Tire fixing nuts are not loose. ...

  • Page 13: Installation Conditions

    2. Installation 2.3 Installation conditions  Be sure to use this machine in the following operating environment. If you use the machine not in the conditions stated following, it may causes serious breakdown. Ambient temperature ------ 5°F to 104°F (-15℃ to +40℃) ...
  • Page 14 2. Installation Installation notes  Be sure to put of chocks [A] to the wheels. A220062 Placing safety fence in position  Be sure to place the safety fence around the Safety fences machine in order to prevent other people than those involved in construction work from entering the construction site or from accessing the machine...
  • Page 15 2. Installation 2.3.1 Service valve Bore of service valve：20A(R3/4B)×2 [Taper male screw] A220064 Cautions of hose attachment and removal  Piping or the hose from this machine service valve should use what can be borne enough for the safety valve set pressure of this machine. ...
  • Page 16 2. Installation Cautions of service valve  Half-open of service valve could cause cracks of Fully-close Fully-open valve seat and air leaks. Be sure to use as full-close or full-open, not to use as half-open. × Half-open A150841...

  • Page 17: Operation

    3. Operation 3.1 Instrument Panel Each display of the instrument panel is illustrated as follows. Read and fully understand the explanations and be sure to operate safely: ERROR CODE switch When this switch is pushed on while lamp is blinking, it shows error code. When control power switch to the position,...

  • Page 18: Lubricating Oil・Coolant・Fuel

    3. Operation 3.2 Lubricating oil・Coolant・Fuel 3.2.1 Engine oil Use engine oil recommended by us. (Using engine oil with poor quality may shorten the life of the engine) Classification API service classification CJ-4 class or higher Viscosity SAE10W-40 (delivery condition)  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.
  • Page 19 3. Operation 3.2.3 Coolant Use coolant that is a mixture of LLC (antifreeze) and soft water of good quality such as tap water.  If you use water mixed with soil, sand, or dust, or soft water such as well water (ground water), water will easily accumulate in the coolant channels of the engine and radiator, leading to an increase in the coolant temperature.

  • Page 20: Check Before Starting Unit

    3. Operation 3.3 Check before starting unit Be sure to check the unit before operation. When any abnormality is found, be sure to repair it before restarting the unit. Be sure to make daily checks 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 21 3. Operation 3.3.2 Check coolant level  Verify the coolant level in the reserve tank is above [MIN].  If the coolant level is lower than [MIN], remove the cap and supply coolant up to the center between [MIN] and [MAX]. If too much coolant is poured into the reserve tank, it may overflow during operation.

  • Page 22: Check Compressor Oil Level

    3. Operation 3.3.3 Check compressor oil level  The machine should be on level before checking compressor oil level.  The oil level of this machine will vary depending on whether it is in operation or not. When it is not in Upper limit operation, make sure that the compressor oil level is above the upper limit line as shown in red on the...
  • Page 23 3. Operation 3.3.5 Check fuel Before starting operation, make sure to check the level of residual fuel so that fuel shortage during operation can be avoided. Drain condensate accumulated at the bottom of fuel tank whenever necessary.  Refueling should be done outdoors or in a well-ventilated place.
  • Page 24 3. Operation 3.3.7 Check fuel filter for condensate If the red float [A] inside the fuel filter is above line, drain water from the fuel filter. <Procedures> Outlet Inlet 1. Before draining water, attach a drain hose to the drain plug [B]. Priming pump 2.
  • Page 25 3. Operation 3.3.10 Check belt tension Follow the procedure below to adjust tension of belt for alternator. Adjust the tension by gradually loosening the fastening bolt and nut of the alternator. <Procedures> 1. Visually check if there are any cracks or tears in the Depress the middle of the belt with a finger.
  • Page 26 3. Operation 3.3.11 Periodical Inspection of Machine Insides Periodically check the inside of the machine for dusts (rubbishes) and flammables.  Be sure to wear protector such as helmet, protective glasses, earplug, safety shoes, gloves and dust protective mask for safety operation conforming with details of work. ...

  • Page 27: Operating Procedure

    3. Operation 3.4 Operating Procedure Make sure the door is closed securely. 3.4.1 Procedure to start the unit Follow the steps below to start up. During the warm-up operation, examine the different parts of the equipment for any looseness, leakage of water, oil, fuel, and other irregularities. Also, make sure that the error code lamp on the instrument panel is off.
  • Page 28 3. Operation  Do not operate the machine with service valves and relief valve open unless air hoses and/or pipes are connected. High-pressurized air blows out and its air pressure could cause injury to the people nearby.  When the machine has to be unavoidably temporarily operated with its port open, be sure to mount a silencer to reduce noise and wear protective materials such as earplugs to prevent damage to hearing.
  • Page 29 3. Operation 3.4.4 Display of each panel device in operation Be sure to check at times to see if gauges or each component of the unit are properly working, or if there is any air-leak, oil-leak, water-leak or fuel-leak etc. During normal operation, each indication of instruments is shown in the table below.
  • Page 30 3. Operation  When the machine is in operation under load, check to see that the compressor's oil level falls within the range between the lower limit and upper limit of the level gauge if the level is found to be insufficient, Upper limit replenish the oil.
  • Page 31 3. Operation 3.4.6 Air bleeding in fuel line Should the machine stop due to fuel shortage, perform air bleeding according to the following steps. <Procedures> 1. Refuel. 2. Turn the CONTROL POWER switch to the position, and then activate the electromagnet pump. 3.

  • Page 32: Failure Cause And Measures

    4. Failure cause and measures 4.1 Indicator lamp and Warning / Emergency display [Indicator lamp] Item Contents Measures Monitor CONTROL POWER switch and the ― ○ GLOW lamp goes on and after preheating is finished, the lamp will be off. Lamp goes on when alternator is not Check wiring.
  • Page 33 4. Failure cause and measures 4.1.2 Emergency Display When any trouble takes place during operation, this displays and it stops as an emergency stop. When any abnormality happens, a trouble code lamp flickers. In this time when trouble code switch is pressed, a failure code will be digital monitor.

  • Page 34: Troubleshooting

    4. Failure cause and measures 4.2 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 the problem and solution.
  • Page 35 4. Failure cause and measures Symptom Cause Countermeasures (1) Air filter element clogging. Clean or change of element Insufficient free air delivery. (2) Unloader valve cannot fully open. Call your nearest dealer (3) Engine does not reach rated speed. (See 4-3) (1) Oil cooler clogging.

  • Page 36: Periodic Inspection/Maintenance

    5. Periodic Inspection/Maintenance 5.1 Important Items at Periodic Inspection and Maintenance or after Maintenance This manual shows the inspection and maintenance intervals under normal operating conditions, not the warranty period. When using under severe environmental conditions or operating conditions, shorten the maintenance interval. ...

  • Page 37: Inspection On Separator Receiver Tank

    5. Periodic Inspection/Maintenance Uninstructed/unspecified work prohibited  Be sure to use recommended fuel, oil, grease, and LLC (antifreeze).  Do not disassemble or adjust engine, compressor air-end or part(s) for which inspection or maintenance is not referred to in this manual. ...

  • Page 38: Periodic Inspection List

    5. Periodic Inspection/Maintenance 5.3 Periodic Inspection List (Unit: Hour) Ref. Maintenance Items Daily 1,000 2,000 3,000 8,000 Page Check compressor oil level ○ Drain separator receiver tank ○ Check for looseness in pipe connecting part, ○ and wear and tear of pipe. Check oil, water, fuel and air leak 3-13 ○...
  • Page 39 5. Periodic Inspection/Maintenance ◎ Refer to engine operation manual for inspection and maintenance of an engine. For the details, contact our office nearby or distributor. (Unit: Hour) Ref. Maintenance Items Daily 1,000 2,000 3,000 6,000 Page Check engine oil level ○...

  • Page 40: Replacement Parts Schedule

    5. Periodic Inspection/Maintenance 5.4 Replacement Parts Schedule Part numbers change upon modification. For replacement of parts, contact your nearest dealer to verify the part number is correct or applicable. Part Name Part Number Quantity Engine oil filter cartridge ISUZU 894456-7412 Compressor air-end 32143 11800 Air filter element...

  • Page 41: Maintenance Items

    5. Periodic Inspection/Maintenance 5.5 Maintenance Items 5.5.1 Change engine oil At 50 hours for the first change and at every 250 hours thereafter <Procedures> 1. Remove the cap of engine oil filler port [A], and remove the drain plug [B] fixed outside, and then open the drain valve [C] fixed inside to drain oil.
  • Page 42 5. Periodic Inspection/Maintenance 5.5.2 Change engine oil filter cartridge At 50 hours for the first change and at every 250 hours thereafter <Procedures> 1. Remove the oil filter cartridge [A], using a filter wrench. 2. Screw in the new oil filter cartridge [A] with the packing [B] coated slightly with oil.
  • Page 43 5. Periodic Inspection/Maintenance 5.5.4 Maintenance of Battery Battery may generate hydrogen gas and can explode. Therefore, recharging should be done in a well-ventilated place.  Do not check the battery by short-circuiting the positive and negative terminals with a piece of metal.

  • Page 44: Check And Clean Clogging Of Air Filter Element

    5. Periodic Inspection/Maintenance [How to use booster cable] <Procedure for using a booster cable> Connect to the engine block 1. Stop the engine. of the machine 2. Connect one end of the (+) booster cable to the (+) Booster cable (+) terminal of the machine battery.

  • Page 45: Change Compressor Oil ※1

    5. Periodic Inspection/Maintenance 5.5.6 Change compressor oil At 300 hours for the first change and at every 500 hours thereafter  For prevention of fire caused due to deteriorated oil separator, in principle change of compressor oil is to be performed in accordance with the schedule mentioned in the regular maintenance table. However, it is heavily influenced by operation conditions and environmental conditions.

  • Page 46: Change Compressor Oil Filter Cartridge ※1

    5. Periodic Inspection/Maintenance 5.5.7 Change compressor oil filter cartridge At 300 hours for the first change and at every 1,000 hours thereafter Be sure to use genuine oil filter cartridge. <Procedures> 1. Remove the oil filter cartridge [A], using a filter wrench.

  • Page 47: Clean Strainer In The Scavenging Orifice

    5. Periodic Inspection/Maintenance 5.5.9 Clean strainer in the scavenging orifice Every 500 hours <Procedures> 1. Remove the nylon tube [A]. 2. Remove the bushing [B] from the oil separator. 3. Remove the strainer [C] screwed into the bushing. 4. Wash the removed strainer in diesel oil and blow out “dust”...
  • Page 48 5. Periodic Inspection/Maintenance 5.5.11 Check and clean supply pump strainer Every 500 hours  Loosen the supply pump strainer [A] (joint bolt built-in type) and remove it. After washing it with diesel oil, blow dust and dirt off with high pressure air.
  • Page 49 5. Periodic Inspection/Maintenance 5.5.14 Clean interior of radiator Every 1,000 hours  When the inside of a radiator and water conduits of an engine are dirty with scale and rust, its cooling efficiency will be deteriorated. Clean the interiors of such components periodically. ...
  • Page 50 5. Periodic Inspection/Maintenance 5.5.17 Change coolant 1,000 hours or every 2 years Be sure to stop the engine and let the coolant water sufficiently cool down before changing it. <Procedures> 1. Remove the inlet cover [A], the radiator cap [B] on the top of the radiator, and the drain plug [C] outside the machine.
  • Page 51 5. Periodic Inspection/Maintenance 5.5.18 Change oil separator 2,000 hours or every 2 years  Even before the periodic interval time of replacement, replace the oil separator element whenever the oil consumption increases and also oil is found mixed in the discharge air. (For part number, See 5.4) ...
  • Page 52 5. Periodic Inspection/Maintenance 5.5.21 Change fuel hose 2,000 hours or every 2 years In case various rubber hoses for fuel system and engine lubrication system are hardened or deteriorated, replace them even before the specified replacement time. When replacing it, contact your nearest dealer because it requires expert technical knowledge. 5.5.22 Change rubber hoses 3,000 hours or every 3 years Check hoses used for oil piping for any crack or tear, and replace when an abnormality is found.
  • Page 53 5. Periodic Inspection/Maintenance 5.5.27 Check consumable parts of vacuum-relief valve 3,000 hours or every 3 years When replacing it, contact your nearest dealer because it requires expert technical knowledge. 5.5.28 Performance check of pressure control valve 3,000 hours or every 3 years <Procedures>...
  • Page 54 5. Periodic Inspection/Maintenance 5.5.30 Check solenoid valve Every 3,000 hours When replacing it, contact your nearest dealer because it requires expert technical knowledge. 5.5.31 Check and confirm that drawbar is properly fixed with bolts properly, according to specified tightening torque Every 3 months ...
  • Page 55 5. Periodic Inspection/Maintenance 5.5.33 Check and confirm that the nuts with which tires are fixed are properly tightened Every 3 months  Check and confirm once every three months that hub nuts with which tires are fixed are not loosend. (10 points) ...

  • Page 56: Storage And Disposal

    6. Storage and Disposal 6.1 Preparation for Long-term Storage When storing for more than half a year without using the machine, perform the following measures and store it in a dry place with little dust.  Put the machine in a temporary cabin if it is stored outside. Avoid leaving the machine outside with a sheet directly on the paint for a long period of time, as this may cause rusting.

  • Page 57: Specifications

    7. Specifications 7.1 Specifications Description PDS185S-6EZ1 Type Single-stage oil cooled, screw type compressor Free air delivery cfm(m /min) 185(5.2) Working pressure psi(bar) 100(6.9) ENG.SPEED (full load) 2,400 ENG.SPEED (unload) 1,250 Lubricating system Forced Lubrication by compressed pressure Driving system Direct driving with gear coupling Separator receiver tank cu in.(L) 1,220(20)

  • Page 58: Specifications

    7. Specifications 7.2 Exterior drawing...
  • Page 59 7. Specifications...

  • Page 61: Wiring Diagram

    7. Specifications 7.3 Wiring Diagram A220259E-1...

  • Page 62: Piping Diagram

    7. Specifications 7.4 Piping Diagram 7.4.1 Compression air・Compressor oil Unit : mm A220260E...
  • Page 63 7. Specifications 7.4.2 Fuel Piping Unit : mm A220261E...
  • Page 66 发行者 总公司 工厂 新泻县燕市下粟生津 3074 TEL 0256-93-5571 FAX 0256-94-7567 （禁止擅自复印以及转载） ＨＯＫＵＥＴＳＵ ＩＮＤＵＳＴＲＩＥＳ ＣＯ., ＬＴＤ. 8TH FLOOR SHINJUKU SAN-EI BLDG, 22-2 NISHI-SHINJUKU 1-CHOME,SHINJUKU-KU TOKYO 160-0023 JAPAN TEL:81-3-3348-7281 FAX:81-3-3348-7289 URL:http//www.airman.co.jp Copyright(C)2023 HOKUETSU INDUSTRIES CO., LTD. All Rights Reserved. 39600 28050 Printed OCT.2023...

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