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Agilent G6011A
Quiet Cover MS
Service Manual
Agilent Technologies

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Summary of Contents for Agilent Technologies G6011A Quiet Cover MS

  • Page 1 Agilent G6011A Quiet Cover MS Service Manual Agilent Technologies...
  • Page 2 Further, to the max- agreement and written consent from calls attention to an operating imum extent permitted by applicable Agilent Technologies, Inc. as governed by procedure, practice, or the like that, if law, Agilent disclaims all warranties, United States and international copyright...
  • Page 3: Table Of Contents

    Contents Introduction Compatibility Parts Identification Safety Information Replacement Procedures Preparing the Quiet Cover MS for Repair Replacing a Fan Replacing the Alarm Replacing the Thermostat Replacing the On/Off Switch Replacing an LED Replacing the Wiring Harness Replaceable Parts Replacement Parts Quiet Cover MS Service Manual...
  • Page 4 Quiet Cover MS Service Manual...
  • Page 5 Agilent G6011A Quiet Cover MS Service Manual Introduction Compatibility Parts Identification Safety Information This manual provides information for Agilent service representatives to support the Agilent G6011A Quiet Cover MS for LC/MS rough pumps. The procedures Agilent assume a trained service technician who is familiar with the safety hazards and requirements for working on the Quiet Cover.
  • Page 6: Compatibility

    Quiet Cover model. Table 1 Quiet Cover compatibility Model Compatible rough pumps Typical application G6011A Quiet Cover MS Agilent MS40+ Rotary-Vane Pump Agilent: • Electron microscopy instruments • Mass spectrometry instruments including LC-MS/ICP-MS, GC-TOF-MS •...
  • Page 7: Parts Identification

    G6011A Quiet Cover MS. Alarm 5188-1277 Fans G6011-60564 Fan cable Fan connectors Thermostat 5188-6570 Figure 1 G6011A Quiet Cover MS (internal view of front panel/access door) Quiet Cover MS Service Manual...
  • Page 8 On/off switch 5188-1178 Power (green) LED 5188-1180 Temperature alarm (red) LED 5188-1179 Figure 2 G6011A Quiet Cover MS (internal view of front panel/access door) Power connector (included in wiring harness) Wiring harness G6011-60600 Figure 3 G6011A Quiet Cover MS (internal view showing wiring harness)
  • Page 9: Safety Information

    The Quiet Cover MS is designed and manufactured under a quality system registered to ISO 9001. Information The Agilent Technologies Quiet Cover MS meets the following IEC classifications: Category II, Pollution Degree 2, Class III. The Quiet Cover MS has been designed and tested in accordance with recognized safety standards and is designed for use indoors.
  • Page 10 MS. Failure to comply with these precautions violates safety standards of design and the Quiet Cover MS’s intended use. Agilent Technologies assumes no liability for the customer’s failure to comply with these requirements. Never run the pump without also running the Quiet Cover MS.
  • Page 11 • Make sure that all peripheral devices are also certified. • Make sure that appropriate cables are used to connect the device to peripheral equipment. • Consult your equipment dealer, Agilent Technologies, or an experienced technician for assistance. • Changes or modifications not expressly approved by Agilent Technologies could void the user’s authority to...
  • Page 12 Introduction Sound emission declaration • Sound pressure – Lp < 70 dB am according to EN 27779:1991. • Schalldruckpegel – LP < 70 dB am nach EN 27779:1991. Quiet Cover MS Service Manual...
  • Page 13: Replacement Procedures

    Agilent G6011A Quiet Cover MS Service Manual Replacement Procedures Preparing the Quiet Cover MS for Repair Replacing a Fan Replacing the Alarm Replacing the Thermostat Replacing the On/Off Switch Replacing an LED Replacing the Wiring Harness This chapter contains the service procedures for repairing the Quiet Cover units.
  • Page 14: Preparing The Quiet Cover Ms For Repair

    Replacement Procedures Preparing the Quiet Cover MS for Repair Before performing any replacement procedures on the Quiet Cover MS, prepare it for service as described below. Required tools • 5/16- inch open- end wrench Procedure Turn off and unplug the Quiet Cover MS. Remove the two pump access panels by loosening the thumbscrews on the top and sides.
  • Page 15 Replacement Procedures Slide the cord and grommet from the groove in the back upper edge of the Quiet Cover MS frame (Figure Power cord and grommet Figure 5 Power cord and grommet Remove the grommet from around the cord and slide the grommet back into the groove in the frame for safekeeping.
  • Page 16: Replacing A Fan

    Replacement Procedures Replacing a Fan Required tools • Phillips screwdriver • A wrench for #8–32 nut Procedure To remove the old fan (G6011A) Perform the steps under “Preparing the Quiet Cover MS for Repair” on page 14. Disconnect the fan cable at the fan connector of the wiring harness (see Figure Disconnect here...
  • Page 17 Replacement Procedures Remove the four screws and nuts from the faulty fan (see Figure Remove Remove Figure 7 Removing the fan (G6011A) Remove the fan and finger guards. Save the finger guards. To install the new fan (G6011A) Orient the new fan so the cable is at the bottom and the airflow will be directed INTO the Quiet Cover MS.
  • Page 18 Replacement Procedures Feed one screw through the finger guard and Quiet Cover MS door from the outside. Slide the screw all the way in. Install the fan and inside finger guard over the screw. Install the remaining screws (see Figure Screw Finger guard Figure 9...
  • Page 19: Replacing The Alarm

    Replacement Procedures Replacing the Alarm Required tools • Phillips screwdriver Procedure Perform the steps under “Preparing the Quiet Cover MS for Repair” on page 14. Remove the wires (marked ALRM + and ALRM –) from the alarm (see Figure 10). Connectors Figure 10 Inside view of the alarm (G6011A shown.) From the outside of the Quiet Cover MS, unscrew the ring...
  • Page 20 Replacement Procedures Screw a new alarm into place. Reconnect the wires to the alarm, matching the ALRM + and ALRM – wires to the + and – terminals on the alarm. Quiet Cover MS Service Manual...
  • Page 21: Replacing The Thermostat

    Replacement Procedures Replacing the Thermostat Required tools • Phillips screwdriver Procedure Perform the steps under “Preparing the Quiet Cover MS for Repair” on page 14. Remove the two wires THERM-1 and THERM-2 from the thermostat (see Figure 12). Figure 12 Thermostat (G6011A shown.) Remove the two screws that hold the thermostat in place, and remove the thermostat (see Figure...
  • Page 22: Replacing The On/Off Switch

    Replacement Procedures Replacing the On/Off Switch Required tools None Procedure Perform the steps under “Preparing the Quiet Cover MS for Repair” on page 14. Inside the cabinet remove the two wires SW-1 and SW-2 from the on/off switch (see Figure 13).
  • Page 23: Replacing An Led

    Replacement Procedures Replacing an LED Required tools • A wrench for #6–32 nut Procedure Perform the steps under “Preparing the Quiet Cover MS for Repair” on page 14. Remove the + and – wires (marked GLED+/– or RLED+/–) from the faulty LED (Figure 14).
  • Page 24 Replacement Procedures Reattach wires to the replacement LED. Hold the LED firmly so that the connectors do not bend. If replacing the red LED, connect the RLED+ wire to • the red + connector tab and the RLED– wire to the red –...
  • Page 25: Replacing The Wiring Harness

    Replacement Procedures Replacing the Wiring Harness Required tools • Pliers with wire cutter • Phillips screwdriver Procedure To remove the old wiring harness Perform the steps under “Preparing the Quiet Cover MS for Repair” on page 14. Disconnect the wiring harness connections for the alarm, fans, thermostat, on/off switch, and LEDs.
  • Page 26 Replacement Procedures To connect the new wiring harness Install the new power connector into the back of the Quiet Cover MS using the same screws as before. Pinhole 1 should be on the top inside and pinhole 4 should be on the bottom. (Pinholes 2 and 3 are horizontal from each other and used for the electrical connection in step Place the new wiring harness along the side rail of the...
  • Page 27 Replacement Procedures • Ferrite. Slide the wires of the ferrite into the wire holder attached to the center of the LED holder. Then, slide the ferrite into the holder so it is held firmly in place next to the LED holder. •...
  • Page 28 Replacement Procedures Quiet Cover MS Service Manual...
  • Page 29: Replaceable Parts

    Agilent G6011A Quiet Cover MS Service Manual Replaceable Parts This chapter lists the Quiet Cover replacement part numbers. Agilent Technologies...
  • Page 30: Replacement Parts

    Agilent Technologies Replacement Parts Table 3 lists the G6011A Quiet Cover MS’s replaceable parts. Table 3 Replaceable parts Part number Part G6011A Quantity Casters Locking front caster 5040-4691 Non-locking back caster 5188-6571 Electronics On/off switch 5188-1178 G6011-60564 Red LED 5188-1179...

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