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Hokuetsu AIRMAN PDSF750DP-6E1 Instruction Manual

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Summary of Contents for Hokuetsu AIRMAN PDSF750DP-6E1

  • 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 your nearest dealer. Make sure that the manual is included with the machine when it is handed over to another user.

  • Page 3: Proposition 65 Warning

    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”...
  • 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. When they are found damaged or peeled off, order them from your nearest dealer and attach them again.
  • 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 pneumatic caisson method.
  • 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 Internal Components and Part Names 18 17 16 13 12 11 A240002 Description Function For keeping the pressure in receiver tank constantly higher than a Pressure control valve certain level in the system. Solenoid valve for starting unload For regulating operation when starting the machine.
  • Page 10 1.Part Names 23 24 25 26 27 28 38 37 31 30 29 A240003 Description Function Apparatus for removing harmful components contained in the (Diesel Particulate Filter) exhaust gas. Radiator Device that cools the engine coolant. For cooling the air compressed by engine supercharger in the Inter cooler system.

  • Page 11: Installation

    2.Installation 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 <Procedure> 1. Before lifting the machine up, make sure to check the lifting bail [A] for any crack or loosened bolts.

  • Page 12: Installation Conditions

    2.Installation 2.2 Installation conditions  Make sure to use the machine in the operating environment described below, if you use it in any environment other than the following, it may lead to a serious failure. Ambient temperature ---------------- 5°F～+104°F (-15℃～+40℃) ...

  • Page 13: Installation Notes

    2.Installation Installation notes  Place the wheel chocks [A] against the wheels to prevent the machine from moving abruptly. A240008 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 14: Service Valve

    2.Installation 2.2.1 Service valve Bore of service valve: 20A (R3/4B)×2 Bore of service valve: 50A (Rc2B) [Taper female screw] [Taper male screw] A240010 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 15 2.Installation Operation with service valve opened is prohibited  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.

  • Page 16: Parallel Operation

    2.Installation 2.2.2 Parallel operation  In case of parallel operation with the plural compressor units or operation to connect other compressor, be sure to install a check valve after the service valve and connect the piping. (Use the spec. of check valve which meet the rated pressure of safety valve well.) Further, two machines should be adjusted to be operated at the same discharge pressure and then piping work must be done.

  • Page 17: Operation

    3.Operation 3.1 Instrument Panel Each display of the operation panel is illustrated as follows. Read and fully understand the explanations and be sure to operate safely: A240011 Touch Screen [CONTROL POWER] switch [START] button Switch to start and stop the Start operation by holding Display operation conditions and set each parameter.

  • Page 18: Lubricating Oil / Coolant / Fuel / Def

    3.Operation 3.2 Lubricating oil / Coolant / Fuel / DEF 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-30 (as ex-factory) ...
  • 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 3.Operation 3.2.5 DEF DEF (AdBlue or equivalent) is transparent, colorless, and non-hazardous. In some circumstances, DEF will put off odor, but this is normal and not indicative of any problems.  Avoid contact with eyes. In case of contact, immediately flush eyes with large amounts of water for a minimum of 15 minutes.

  • Page 21: Check Before Starting Machine

    3.Operation 3.3 Check before starting machine Be sure to check the machine before operation. When any abnormality is found, be sure to repair it before restarting the machine. Be sure to make daily checks before operation. If the machine is operated without prior check and without noticing its abnormality, such operation could cause seizure of components or may even cause fire.

  • Page 22: Check Coolant Level

    3.Operation 3.3.2 Check coolant level  Verify the coolant level in the reserve tank is above “LOW”.  If the coolant level is lower than “LOW”, remove the cap and supply coolant up to the center between “LOW” and “FULL”. If too much coolant is poured into the reserve tank, it may overflow during FULL operation.

  • Page 23: Check Compressor Oil Level

    3.Operation 3.3.3 Check compressor oil level  The machine should be on level before checking Separator receiver tank compressor oil level.  The oil level of this machine will vary depending on Upper limit whether it is in operation or not. When it is not in lines operation, make sure that the compressor oil level is Lower limit...

  • Page 24: Check Fuel

    3.Operation 3.3.5 Check fuel Before starting operation, turn the CONTROL POWER switch on the operation panel from “OFF” to “ON”. 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. ...
  • Page 25 3.Operation 3.3.7 Check DEF Level  When there is less than 15% of DEF in the tank, the DEF tank level DEF Warning Lamp 1 will light up on the Home screen.  When there is less than 5% of DEF in the tank, the DEF Warning Lamp 1 will start to blink;...
  • Page 26 3.Operation 3.3.8 Check fuel pre-filter drain Drain water whenever it accumulates in the fuel pre-filter. An alarm will be displayed on the touch screen of the operation panel when excess water builds up inside the pre-filter. <Procedure> 1. Remove the wiring connector connected to [A]. 2.

  • Page 27: Check Belt

    3.Operation 3.3.12 Check belt  Visually check if there are any cracks or tears in the belt.  Be careful not to leave any grease or LLC on a belt while changing it. If any such material is left, wipe it off completely. ...

  • Page 28: Operating Procedure

    3.Operation 3.4 Operating Procedure Make sure the door is closed securely. 3.4.1 Procedure of starting and stopping the machine 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.
  • Page 29 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 30 3.Operation 3.4.2 How to select operating pressure This machine allows you to change its operating pressure. The operating pressure can only be switched when the engine is stopped. (Operating pressure cannot be changed during operation.) <HOME> <Procedure> 1. Press SETTING on HOME screen. 2.

  • Page 31: Operation Mode

    3.Operation 3.4.3 Operation mode Purge mode This device has both manual purge and auto-purge operation modes to reduce fuel consumption during continuous, no-load operations. Select the most suitable mode for your operating conditions. <HOME> <Procedure> 1. Press and hold START PURGE (HOLD DOWN) on the HOME screen.
  • Page 32 3.Operation Selecting an Operation Mode <HOME> <Procedure> 1. Press the SETTING on the HOME screen. 2. Press the OPERATION MODE on the SETTING screen. 3. OPERATION MODE screen-1 is displayed. 4. Press the to switch to OPERATION MODE screen-2. 5. You can ON / OFF fuel shortage stop mode, and auto purge operation mode.
  • Page 33 3.Operation Purge operation behavior Mode selection Status of purge operation and auto purge lamp  Purge operation After the engine rotation speed has reached the unload rotation speed, the pressure in the separator receiver tank will drop to reduce the power of the compressor itself.

  • Page 34: Inspection During Operation

    3.Operation 3.4.6 Inspection during operation Be sure to check at times to see if touch screen or each component of the machine are properly working, or if there is any air-leak, oil-leak, water-leak or fuel-leak etc. During normal operation, touch screen is shown in the table below. Refer to the table for daily checks. ...

  • Page 35: Checking The Operation Of The Safety Valve

    3.Operation 3.4.7 Checking the operation of the safety valve Before using the machine, be sure to check the operation of the safety valve [A].  Pull the test ring [B] to perform checks during the unload operation of the machine. It is performing normally when the compressed air jets out with slight force.
  • Page 36 3.Operation 3.4.9 Air bleeding in fuel line Should the machine stop due to fuel shortage, perform air bleeding according to the following steps. <Procedure> 1. Fuel filter [A] and fuel pre-filter [B] should be filled up with fuel and set up. 2.

  • Page 37: Setting Screen

    3.Operation 3.5 SETTING screen <HOME>  Operating condition, running parameters, and various other settings and be can be read and changed here.  Press the SETTING on HOME screen to display the SETTING screen. A240017 <SETTING> A240021 3-21...
  • Page 38 3.Operation 3.5.1 OPERATION DATA <Procedure> 1. Press the OPERATION DATA on HOME screen. 2. Press the OPERATION DATA LIST on OPERATION DATA screen. 3. OPERATION DATA LIST COMPRESSOR screen will appear, and you can easily see how the machine is running. 4.
  • Page 39 3.Operation 3.5.2 SYSTEM DIAGRAM <HOME> <Procedure> 1. Press the OPERATION DATA on HOME screen. 2. Press the SYSTEM DAIGRAM on OPERATION DATA screen. 3. The screen displays how the compressor is operating. 4. Press to see how the engine is running. 5.

  • Page 40: Maintenance

    3.Operation 3.5.3 MAINTENANCE The maintenance intervals for major maintenance items can be set at the user's discretion. <HOME＞ <Procedure> 1. Press the MAINTENANCE on HOME screen. 2. MAINTENANCE screen-1 is displayed. 3. Press the to switch to MAINTENANCE screen-2.  Press the REMAINING TIME to display the numeric keypad.
  • Page 41 3.Operation 3.5.4 Record The records of various operations can be displayed. [TREND GRAPH] <Procedure> 1. Press the RECORD on HOME screen. 2. Press the TREND GRAPH on RECORD screen to display the TREND GRAPH screen-1. (Sampling interval: Two seconds, recording time: 60 minutes.) 3.
  • Page 42 3.Operation [Failure history] <HOME> <Procedure> 1. Press the RECORD on HOME screen. 2. Press the FAILURE HISTORY on RECORD screen to display the failure history screen. 3. From this screen, you can see the details of abnormal conditions that occurred and any alarms that were previously issued and solved.
  • Page 43 3.Operation [CSV data saving] <RECORD>  The operation record (sampling interval: 2 seconds) and the failure history can be saved onto an SD card as CSV data to transfer to a USB memory.  Follow the procedure on page 3-25 to switch to the RECORD screen.

  • Page 44: Touch Screen Adjustments

    3.Operation 3.5.5 Touch screen adjustments <HOME> <Procedure> 1. Press the SETTING on HOME screen. 2. SETTING screen is displayed. 3. Press the TOUCH SCREEN SETTING on SETTING screen to change the TOUCH SCREEN SETTING screen-1. Here, you can adjust the brightness, select the touch sound, and set whether to turn off the screen and whether to sound a failure warning.

  • Page 45: Dpf Regeneration

    3.Operation 3.5.6 INITIAL SETTING <HOME>  The INITIAL SETTING section on the SETTING screen is to restore the machine to factory settings. It is not required during normal operation. If pressed by mistake, a password input may be appear to confirm you wish to reset the machine.

  • Page 46: Manual Regeneration

    3.Operation 3.6.3 Manual regeneration <HOME>  The exhaust temperature may not reach temperatures hot enough to burn soot during operation in cold weather or under low loads. If the machine is operated under low load or in cold weather for an extended time, a DPF indicator [B] will be displayed.

  • Page 47: Emergency Stop

    3.Operation  Do not stop the engine during the manual regeneration.  Warm up in advance before pressing the START button. If the water temperature is not high enough, the engine will not start regeneration when you press the START button. ...

  • Page 48: Failure Cause And Measures

    Failure cause and measures 4.1 Warning / Emergency display 4.1.1 Warning / Emergency conditions When an alarm or abnormality occurs, the failure button [A] will appear on the main screen and flash. <HOME>  When a warning or emergency, press the blinking failure button [A] on the HOME screen.
  • Page 49 Failure cause and measures 4.1.2 Indication mark and Warning / Emergency display [Indication mark] Indication Item Contents Measures mark Press CONTROL POWER switch “ON” and the lamp goes on and after Glow ― preheating is finished, the lamp will be off.

  • Page 50: Emergency Display

    Failure cause and measures 4.1.4 Emergency display If any failure is detected during operation, an emergency alert will appear, and the machine will stop. Take the necessary countermeasures and restart the machine. Item Contents Measures Displayed when the discharge air temperature ※DISCHARGE TEMP.

  • Page 51: Engine Trouble

    Failure cause and measures 4.1.5 Engine trouble [List of diagnostic codes] The table below shows a list of failure codes. The details of the failure codes and the countermeasures require professional knowledge. For the details, contact your nearest dealer. SPN FMI Details Condition of machine Engine does not start.

  • Page 52: Troubleshooting

    Failure cause and measures 4.2 Troubleshooting If any trouble occurs 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 machine, the faster you can find a problem and solution.
  • Page 53 Failure cause and measures Symptom Cause Measures (1) Belt snapped Change (2) Belt slippage Change Charge error (3) Loose wiring, connectors and Check/Fasten disconnection around the alternator (4) Trouble of the alternator Call your nearest dealer (1) Engine oil shortage Replenish engine oil Error code of engine (2) Engine oil filter clogging...
  • Page 54 Failure cause and measures Symptom Cause Measures Warning for increasing (1) Separator clogging Change separator pressure loss is (2) Compressor oil deteriorated Change displayed. Increased internal pressure of (1) Pressure regulator insufficient Re-adjust (loosen) the separator receiver tank is adjustment Call your nearest dealer displayed and the engine (2) Unloader valve damaged/Faulty seat...

  • Page 55: 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 56: Inspection On Separator Receiver Tank

    5. Periodic Inspection/Maintenance Important points for work not mentioned or instructed in this manual  Be sure to use recommended fuel, DEF, 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 57: Periodic Inspection List

    5. Periodic Inspection/Maintenance 5.3 Periodic Inspection List (Unit: Hour) Ref. Every Every Every Every Every Every Every Every Maintenance Items Daily 1,000 2,000 3,000 6,000 12,000 Page Check compressor oil level ○ Drain separator receiver tank ○ Check for looseness in pipe connecting 3-10 ○...
  • Page 58 5. Periodic Inspection/Maintenance ◎ Refer to engine operation manual for inspection and maintenance of an engine. For the details, contact your nearest dealer. (Unit: Hour) Ref. Every Every Every Every Every Every Maintenance Items Daily (First time) 1,000 2,000 3,000 6,000 Page Check engine oil level...

  • Page 59: 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 37438 10500 Engine oil filter cartridge KUBOTA 1J600-3243X Outer element [C] 32143 16000...

  • Page 60: 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 500 hours thereafter <Procedures> 1. Remove the cap of engine oil filler port [A] and also remove the drain plug [B] on the outside of the machine, and then open the drain valve [C] to drain the oil into the drain container [E].
  • Page 61 5. Periodic Inspection/Maintenance Caution in filling or discharging engine oil  After stopping the engine, wait of 10 minutes or more until the engine oil cools off. Then check the level of the engine oil, or refill or drain the oil. ...
  • Page 62 5. Periodic Inspection/Maintenance 5.5.2 Change engine oil filter cartridge At 50 hours for the first change and at every 500 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 63: Maintenance Of Battery

    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 64: Check And Clean Clogging Of Air Filter Element

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

  • Page 65: 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 66: 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 500 hours thereafter We recommend to use genuine oil filter cartridges. <Procedures> 1. Remove the oil filter cartridge [A], using a filter wrench.

  • Page 67: 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 rubber hose [A]. 2. Remove the bushing [B] from the separator receiver tank. 3. Remove the strainer [C] screwed into the bushing. 4. Wash the removed strainer in diesel oil and blow out “dust”...
  • Page 68 5. Periodic Inspection/Maintenance 5.5.12 Change fuel pre-filter cartridge Every 500 hours <Procedures> 1. Remove the drain plug. 2. Prepare a container and completely drain the filter. (See 3.3.6) 3. Use the filter wrench to remove the filter cartridge [A]. 4. Screw in the new filter cartridge with the packing [B] coated slightly with oil.
  • Page 69 5. Periodic Inspection/Maintenance 5.5.14 Check and maintenance of belt Every 1,000 hours  Belt check and maintenance, contact your nearest dealer because technical knowledge is required. 5.5.15 Clean exterior of the radiator / oil cooler and inter cooler Every 1,000 hours ...
  • Page 70 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], and the radiator cap [C] on the top of the radiator [B]. Next, open the drain valve [D] to drain the coolant.
  • Page 71 5. Periodic Inspection/Maintenance Caution when changing coolant  When removing the radiator cap, lightly turn it and release the internal pressure without completely opening it once the first stage lock is released. After confirming that the internal pressure has been released, turn it while pushing in until the second stage lock is released.

  • Page 72: Change Oil Separator Element

    5. Periodic Inspection/Maintenance 5.5.20 Change oil separator element 2,000 hours or every 2 years When replacing oil separator, contact your nearest dealer because technical knowledge is required.  Be sure to replace the gaskets [B] and [C] together with the oil separator element [A]. (For part number, See 5.4) ...

  • Page 73: Change Nylon Tubes

    5. Periodic Inspection/Maintenance 5.5.21 Change nylon tubes 2,000 hours or every 2 years Replace nylon tubes used for the oil and air piping’s. When replacing it, contact your nearest dealer because technical knowledge is required. 5.5.22 Change inter cooler hose 2,000 hours or every 2 years In case intercooler hose is hardened or deteriorated, replace them even before the specified replacement time.

  • Page 74: Change O-Ring Of Unloader

    5. Periodic Inspection/Maintenance 5.5.26 Change radiator hoses 3,000 hours or every 2 years When any crack or wear is found on the hoses, change it even before the scheduled time. When replacing it, contact your nearest dealer because technical knowledge is required. 5.5.27 Change O-ring of unloader 3,000 hours or every 3 years When replacing it, contact your nearest dealer because technical knowledge is required.

  • Page 75: Performance Check Of Pressure Control Valve

    5. Periodic Inspection/Maintenance 5.5.34 Performance check of pressure control valve Every 6,000 hours <Procedures> 1. When the service valve is fully opened during operation, confirm that the pressure on the touch screen indicates 58psi. 2. When the pressure is lower than 58psi, replace spring with a new one.

  • Page 76: 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 77: Specifications

    7. Specifications 7.1 Specifications Description PDSF750DP-6E1 Type Single-stage oil cooled, screw type compressor 750/630 Free air delivery /min) (21.2/17.9) Working pressure 100/150 Safety valve setting pressure ENG.SPEED (full load) 2,200/1,900 ENG.SPEED (unload) 1,100/1,300 Lubricating system Forced Lubrication by compressed pressure Driving system Direct driving with rubber coupling Separator receiver...

  • Page 78: Exterior Drawing

    7. Specifications 7.2 Exterior drawing...
  • Page 79 7. Specifications...

  • Page 81: Wiring Diagram

    7. Specifications 7.3 Wiring Diagram A240056E...
  • Page 82 7. Specifications A240057E...

  • Page 83: Piping Diagram

    7. Specifications 7.4 Piping Diagram 7.4.1 Compression air・Compressor oil...
  • Page 84 7. Specifications 7.4.2 Fuel Piping A240222E...
  • Page 87 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)2024 HOKUETSU INDUSTRIES CO., LTD. All Rights Reserved. 39600 67950 Printed SEP.2024...

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