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MAINTENANCE INSTRUCTIONS
EN
Translation of the original instructions
ASM 390 - ASM 392
Leak detector

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Summary of Contents for Pfeiffer Vacuum ASM 390

  • Page 1 MAINTENANCE INSTRUCTIONS Translation of the original instructions ASM 390 - ASM 392 Leak detector...
  • Page 2: Table Of Contents

    Table of contents Table of contents About this manual ..........4 1.1 Validity.
  • Page 3 Table of contents 8.6 Vacuum block ..........30 8.7 Pump exhaust .
  • Page 4: About This Manual

    About this manual Validity This maintenance manual is intended for the customers of the Pfeiffer Vacuum Compa- ny. It describes the product maintenance operations which can be performed by the user on the product concerned. This documentation must be used with the operating manual of the product of the same name.
  • Page 5: Pictographs

    About this manual 1.2.2 Pictographs Prohibition of an action to avoid any risk of accidents, the disregarding of which may result in serious accidents Warning of a displayed source of danger in connection with operation of the unit or equipment Command to perform an action or task associated with a source of dan- ger, the disregarding of which may result in serious accidents Important information about the product or this document...
  • Page 6: Safety And Maintenance Information

    ● Do not switch on the product if the covers are not in place. ● To return the product to one of our Pfeiffer Vacuum service centers, read the after- sales Service procedure and complete the declaration of contamination available on...
  • Page 7: Protective Equipment

    Safety and maintenance information ● Use the original packaging to return the product to a Pfeiffer Vacuum service center: the manufacturer shall not be held liable for any damage resulting from transport in unsuitable packaging. Protective equipment In some situations, personal protective equipment must be worn when handling the de- tector and its components.
  • Page 8 Replacing defective components with parts that are not genuine jeopardizes the prod- uct's initial safety conditions. Use only spare parts available for order from Pfeiffer Vacuum Service. Parts numbers are available in the Spare Parts chapter. To identify the product and communicate with Pfeiffer Vacuum look at the product's nameplate.
  • Page 9: Maintenance Intervals And Responsibilities

    (2) Site: I = Operator OS = On site II = Technical or trained operator WS = En centre de service Pfeiffer Vacuum. III = In service centre Pump maintenance is carried out during leak detector overhaul. Maintenance time monitoring...
  • Page 10: Maintenance / Replacement

    Maintenance / replacement Maintenance / replacement Cleaning Clean the cover(s) with a soft, lint-free cloth and a product that will not damage the painting, silk-screened surfaces or the labels. Leak test of an internal component of the detector Perform a leak test on the internal component to be checked (see Operating Instruc- tions).
  • Page 11 Maintenance / replacement The work surface can be removed without disconnecting the control panel as the cable is sufficiently long. Control panel disconnection (Optional) When the work surface has been removed from the detector, the operator must never perform mechanical actions on the calibrated leak or any other of the detector’s internal sub-assemblies Reassembly Shut down the leak detector (see chapter Shutdown the detector of the operating...
  • Page 12: Front Cover

    Maintenance / replacement Refit the flange around the inlet port. 4.3.2 Front cover Dismantle the work surface beforehand (see 4.3.1). Dismantling Operate each latch (1) to unlock the cover. Pull the cover forwards (2). Reassembly Shut down the leak detector (see chapter Shutdown the detector of the operating instructions).
  • Page 13: Maintenance Of The Internal Calibrated Leak

    Maintenance / replacement Refit the work surface (see 4.3.1). Maintenance of the internal calibrated leak NOTICE Change the internal calibrated leak if it has significant impact marks. Handle the calibrated leak with care. Shut down the leak detector (see chapter Shutdown the detector of the operating instructions).
  • Page 14: Analyzer Cell Maintenance

    Maintenance / replacement Analyzer cell maintenance NOTICE Cleanliness guarantee During vacuum component maintenance operations, avoid any contamination which could subsequently result in the degassing of the parts. To avoid this: perform the maintenance in an appropriate area (clear, dust-free and ventilated) use non-woven materials dust the parts with filtered dry air wear unpowdered vinyl gloves (clean room gloves)
  • Page 15: Filament Replacement

    Maintenance / replacement Fig. 3: Replacement of the seals Remove the analyzer cell from the detector (see 4.5.1). Replace the 2 seals (3). Never lubricate the seals. 4.5.3 Filament replacement The oxidation of the iridium filament is normal: do not touch the filament with your fingers.
  • Page 16 Maintenance / replacement Fig. 5: Positioning the filament Fit the new filament in its housing against the 2 centring stops (7). Attach it with the ® screw (4) and washer supplied with the filament, using the Torx screwdriver. Take a fastening clip (5) with the flat pliers: this clip will ensure electrical contact be- tween the filament and the cell (see figure: Fitting the fastening clip, index A).
  • Page 17: Maintenance Fans

    Maintenance / replacement Maintenance fans 4.6.1 Localization Fig. 7: Fan location Air inlet fan Air exhaust fan 4.6.2 Replacement of the air inlet fan (V1) Shut down the leak detector (see chapter Shutdown the detector of the operating instructions). Remove the work plan (see 4.3.1) and the front cover (see 4.3.2). Disconnect the harness (1) from the fan (V1) and pass it through the bulkhead adapter (2).
  • Page 18: Filter Maintenance

    Maintenance / replacement Position the new fan, ensuring it is the correct way around (2). – Place a protective grill (3) on each side of the fan. – The arrow (4) shows the air flow direction. Attach the fan. Connect the fan harness (1), respecting the (+) and (-) polarities. Filter maintenance 4.7.1 Replacement of the vacuum block air filter...
  • Page 19: Pirani Gauge Replacement

    Maintenance / replacement 4.7.2 Replacement of the inlet vent filter Loosen the inlet vent filter (1) and replace it. NOTICE Risk of pollution The inlet vent must never remain open to the air. Ensure the filter is on the connector at all times.
  • Page 20 Maintenance / replacement Set the gauge: see chapter Calibration of the internal Pirani gauge of the Operating Instructions.
  • Page 21: Decommissioning

    Operation of the Operating Instructions. If a problem occurs, contact your Pfeiffer Vacuum service center. Disposal WARNING Environmental protection...
  • Page 22 (and articles R543-172 and subsequent of the Environment Code in partic- ular), all EEEs sold by Pfeiffer Vacuum on French soil are covered by the organi- sation and financing of removal and treatment of waste from EEEs provided by...
  • Page 23: Malfunctions

    Malfunctions Malfunctions What happens in the event of a defect Fig. 8: Standard screen with warning [i Next] 6.1.1 Warning fault display Press the key to display the fault. Level 1: Warning Press the [i Next] key to display the maintenance information Level 2: Major fault: erroneous measurement Press the [i Next] or [ ! ] key to display the fault.
  • Page 24 Malfunctions Level RS-232 Code Information Rough. Pump Failure loss of cal test mode Dynamic calib. failure Sensor Type/Connector w145 maintenance requested w150 primary pump service w155 Roughing Pump Maint. w160 secondary pump service w180 2A wire change w181 1A wire change w182 No output on wire 2 w183...
  • Page 25: Troubleshooting Guide

    Malfunctions Level RS-232 Code Information temperature too high temperature too low W230 Autocal request W255 Outside start-up conditions Troubleshooting guide The troubleshooting guide helps correct the malfunctions reported on the detector's con- trol panel or affecting the detector. It can be consulted from an interactive application specifically developed for the technical documentation.
  • Page 26 Malfunctions Launch the search (3). Select a symptom (4): the origin and diagnosis of this symptom are displayed (5).
  • Page 27: Service

    Fill out the "Service Request/Product Return" form and send it to your local Pfeiffer Vacuum Service contact. Include the confirmation on the service request from Pfeiffer Vacuum with your ship- ment. Fill out the declaration of contamination and include it in the shipment (mandatory!).
  • Page 28: Spare Parts

    Spare parts Spare parts Spare parts available for sales, classified by functions, are listed in this chapter. Tool Rep. Qté Désignation Ref. Designation Beschreibung Teil Menge Accessoires de raccordement Clé emmanchée Connection accessories Box-shank nut spinner Rohrsteckschlüssel mit Heft Verbindungzubehör Tournevis pour vis TORX ®...
  • Page 29: Ventilation

    Spare parts Ref. Description Qty Notes B037 3G control panel 122446S B042 3G control panel cable - 5 m 123909 Ventilation C067 C066 C067 C163 Ref. Description Qty Notes C066 101094 C067 Fan Grill 120x120 mm (101094) 056067 Sold individually C163 126790 Power and electrical supply...
  • Page 30 Spare parts Ref. Description Qty Notes E053 NBR seal - 3G cell 114346 Sold individually E084 Internal calibrated leak 121528S Vacuum block G010 G074 G077 Ref. Description Qty Notes G010 M5 sintered bronze silencer 108449 G074 Vacuum unit sintered filter 122237 G077 1/4”...
  • Page 31 Spare parts Cover I117 I118 Ref. Description Qty Notes I117 Work surface - ASM390/392 126789 I118 Equipped front cover - ASM 390/392 126249S 8.10 Accessories J077 J175 J078 J176 J177 J178 J179 J174 J180 Ref. Description Qty Notes J077 Bronze dust filter 20 µm D 114 mm...
  • Page 32 VACUUM SOLUTIONS FROM A SINGLE SOURCE Pfeiffer Vacuum stands for innovative and custom vacuum solutions worldwide, technological perfection, competent advice and reliable service. COMPLETE RANGE OF PRODUCTS From a single component to complex systems: We are the only supplier of vacuum technology that provides a complete product portfolio.

This manual is also suitable for:

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