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Ulvac DAU-100 Instruction Manual

Diaphragm-type dry vacuum pump
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No．21001-2-01-8
INSTRUCTION MANUAL
Diaphragm-type Dry Vacuum Pump
DAU-100
Request to Users
Please read this manual thoroughly to ensure safe and
effective use of the equipment.
Keep this manual in a safe place.
Due to periodic improvements in performance, the
equipment described in this manual is subject to
changes in dimensions and specifications without prior
notice.
ULVAC KIKO,Inc.

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Summary of Contents for Ulvac DAU-100

  • Page 1 No．21001-2-01-8 INSTRUCTION MANUAL Diaphragm-type Dry Vacuum Pump DAU-100 Request to Users Please read this manual thoroughly to ensure safe and effective use of the equipment. Keep this manual in a safe place. Due to periodic improvements in performance, the equipment described in this manual is subject to changes in dimensions and specifications without prior notice.

  • Page 2: Table Of Contents

    Contents Pages with a shaded background are those which contain items related to safety. Before Using the Equipment ......................01 Checks When Opening Packaging ..................... 02 Using the Pump Safely........................03 ･ Safety icons ..........................03 ･ Cautions for Safety in Use ......................04 1.
  • Page 3 Figures and Tables Fig.2.1 DAU-100 Dimensions ......................2 Fig.3.1 Example of Piping Used When Evacuating a Vessel ............4 Table 1.1 Product Specifications (50/60 Hz) ..................1 Table 6.1 Consumables List ......................8 Table 6.2 Locations for Maintenance and Inspection ................. 8...

  • Page 4: Before Using The Equipment

    Before Using the Equipment Thank you for purchasing this product. Your custom is very much appreciated. This pump is designed solely for vacuum discharge, and may malfunction or cause accidents if not handled appropriately. Read the manual thoroughly, and pay due attention to inspections, maintenance, and safety.

  • Page 5: Checks When Opening Packaging

    Checks When Opening Packaging Check the following after opening the packaging. (1) Is the product as you requested? (2) Are the accessories and necessary parts included? Standard accessories ・ User’s manual -------------------- x 1 ・ Inlet and outlet caps (fitted to inlet and outlet) -------------------- x 2 ・...

  • Page 6: Using The Pump Safely

    Using the Pump Safely To ensure that the pump is handled correctly, read this section thoroughly before use. This manual and the warning labels on the pump include safety icons as an aid to understanding safety requirements. These safety icons warn the operator and others of possible dangers and damage and should always be followed.

  • Page 7: Cautions For Safety In Use

    Cautions for Safety in Use Danger Applications * This pump is not designed to be explosion-proof, and should therefore not be used to discharge explosive gases. * In addition to discharge of gas via the outlet, gas may also leak from other parts of the pump, and it should therefore not be used with toxic gases.
  • Page 8 Warning Operation * Inserting fingers or objects into the motor inlet may result in electric shock, injury, or fire. * Operating the pump with the discharge outlet blocked, or with a device which prevents passage of gas to the discharge outlet, may result in rupture of the pump. The internal pressure of the pump rises and the pump body may rupture and the motor become overloaded.

  • Page 9: Product Outline

    (4) Do not attempt to discharge gases containing particles, dust, water, or corrosive gases. (5) Do not operate the pump for long periods at near-atmospheric pressure. 1.2 Specifications Table 1.1 Product Specifications Model DAU-100 50Hz 100 L/min Discharge rate 60Hz...

  • Page 10: Thermal Protection Relay

    Note that low voltage, or the timing with which the pump was stopped, may prevent starting of the pump. 2. Dimensions Fig.2-1. DAU-100 External Dimensions...

  • Page 11: Installation And Storage

    3. Installation and Storage 3.1 Cautions for Installation and Storage Warning * Do not use the pump in an explosive atmosphere. Such use may result in injury and fire. * Ensure that the vicinity of the motor and pump is completely free of inflammable materials (e.g.

  • Page 12: Environmental Conditions For Installation, Storage, And Operation

    3.2 Environmental Conditions for Installation, Storage, and Operation The fine clearances used in this pump require that the following conditions be satisfied during storage, installation, and operation. 1. Ambient temperature of 7°C ~40°C and maximum relative humidity of 85% during operation.

  • Page 13: Cautions For Operation

    4. Cautions for Operation 4.1 Cautions for Operation Danger * This pump is not designed to be explosion-proof, and should therefore not be used to discharge explosive gases. *In addition to discharge of gas via the outlet, gas may also leak from other parts of the pump, and it should therefore not be used with toxic gases.

  • Page 14: Operation Of The Thermal Protection Relay

    4.2 Operation of the Thermal Protection Relay When the thermal protection relay operates, immediately set the power switch to 'O', remove the power cord from the outlet, and contact the manufacturer. Note that the motor will be very hot and should not be touched. 2) Once the cause of the fault has been removed, wait until the motor cools and restart operation.

  • Page 15: Maintenance, Inspection, And Repair

    6. Maintenance, Inspection, and Repair 6.1 Cautions for Maintenance, Inspection, and Repair Danger When requesting the manufacturer’s service division for disassembly and repair, always enter the details of the type of gas used in the pump on the Pump Usage Checksheet.

  • Page 16: Regular Inspections

    6.3 Regular Inspections Inspect consumables after the first 4000 hours of operation, and replace in accordance with the Replacement Guide on the following page. Refer to 6.4 Replacing Consumables for procedures. Request replacement by the manufacturer’s service division if a repair technician is not available.

  • Page 17: Replacing Consumables

    6.4 Replacing and Cleaning Consumables Use the following tools, and refer to the photographs, when replacing cleaning components. Contact the manufacturer’s service division for this work if the necessary tools are not available. 1. Cross head screwdriver : No.2 2. Slotted screwdriver : Minimum blade width 5.5mm, 50mm or longer 3.
  • Page 18 (5) Turn the unit upright, remove the two truss head screws (M4 x 6L) ④ in the top of the front panel, and remove the front panel. (6) Remove the cross pan head screws (M4 x 16L) ⑤ holding the terminal block and power cord earth wire (green), and remove the earth wire.
  • Page 19 (11) Clean the top of the connecting rod, top of the casing, diaphragm retainer, and inside of the pump head by wiping with ethyl alcohol. Note: Take care not to leave any scraps of paper towel when wiping these components. (12) Set the eccentric shaft as shown in the photo, and fix so that the connecting rod is at the highest position.

  • Page 20: Replacing Valves

    2) Replacing Valves It is recommended that these valves be replaced at the same time as the diaphragms. Use tools 1, 3, 4, 8, and 10 listed above. (1) Remove up to the baseplate in accordance with steps (1)~(3) for replacement of the diaphragm.
  • Page 21 (6) Replacing valves Note: The normal valve and the cut valve as shown in the photo are used together in steps 1-1 and 1-2. A single normal valve is used in step 2 and step 3. Step 3 Step 1-1 Step 2 Step 1-2 <Second valve>...

  • Page 22: Replacing Non-Return Valves

    3) Replacing non-return valves (simultaneous replacement of diaphragms and non-return valves is recommended) Use tools No.1, 2, 3, 5, 7, 8, 9, and 10. (1) Remove up to the pump head C in accordance with steps (1)~(8) for replacement of the diaphragm.

  • Page 23: Replacing O Rings

    4) Replacing O-rings (simultaneous replacement of diaphragms and O-rings is recommended) Two types of O-ring are used - P-18 (x 1) is used with the type-B inlet pipe, and P-10 (x 7) is used with the hose nipples, and long nipples fitted to the pump head. <Hose nipples, long nipples>...

  • Page 24: Replacing Head Gaskets

    (4) Apply a uniformly thin covering of vacuum grease to the new O-ring (P-18), and replace the old O-ring used with the type-B inlet pipe. (5) Screw the type-B inlet pipe into the non-return valve casing. Note: Take care not to cut the O-ring when screwing in the inlet pipe. (6) Coil the seal tape four to five times around R1/4 screw of non-return valve.

  • Page 25: Troubleshooting List

    6.5 Troubleshooting List Table 6.3 Troubleshooting List Problem Causes Solutions Reference (1) Not connected to power supply. (1) Connect power supply. (2) Switch is OFF. (2) Set switch to I. (3) Problem with power supply voltage. (3) Ensure that voltage variation is within +/-10%.

  • Page 26: In Conclusion

    7. In Conclusion Please contact the manufacturer’s sales division if you have any questions. Warranty (1) The warranty for this pump extends for a period of one year from the date of shipment. (2) Any malfunctions or defects which occur under normal usage conditions during the warranty period will be repaired free of charge.

  • Page 27: Usage Status Check Sheet

    Usage Status Check Sheet (for use in Instruction Manual) * For the purpose of safety control of repair personnel, fill in within the heavy line frame and attach the sheet to the item of which repair is requested. * In case this sheet were not attached or filled in, your request of repair and service may not be accepted.
  • Page 28 株式会社アルバック 規格品事業部 東日本営業部 〒253-8543 神奈川県茅ヶ崎市萩園２５００ TEL:0467-89-2416 株式会社アルバック 規格品事業部 西日本営業部 〒532-0003 大阪府大阪市淀川区宮原３-３-３１ 上村ニッセイビル5F TEL:06-6397-2286 ULVAC KIKO,Inc. https://ulvac-kiko.com/en Please contact us for products, Service Base or other Inquiries from here. https://showcase.ulvac.co.jp/en/ ULVAC,Inc. Components Division 2500 Hagisono, Chigasaki, Kanagawa, 253-8543, Japan TEL:+81-467-89-2261...

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