AB Sciex 4000 QTRAP Manual Perangkat Keras - Halaman 9

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Figure 1-3 Ion Optics

Shutting Down and Turning on the System

Use the following procedures if you need to shut down or turn on the system.

To shut down the system

Document Number: D1000092200 B

Curtain Gas™ flow

Skimmer

Orifice

IQ1

Curtain Plate

1. In the Analyst

software, complete or stop any ongoing scans.

2. Turn off the sample flow to the instrument.

CAUTION! Potential Instrument Damage: Shut off the sample flow before you

shut down the instrument.

3. In the Analyst software, deactivate the hardware profile and then close the

application software.

4. Stop the Analyst

Analyst software.)

CAUTION! Leave the roughing pump running for a minimum of 15 minutes

after turning off the instrument's main power switch. When the main power

switch is turned off, the turbo pumps continue to rotate without power for a

few minutes and continue to provide vacuum to the vacuum chamber. If, during

this time, the roughing pump is turned off, the pressure in the vacuum line

between the roughing pump and the turbo pumps increases. The increase in

back pressure can create an incorrect load on the turbo pumps' bearings and

can cause a catastrophic failure of the turbo pumps.

CAUTION! If the instrument is to be shut down for any length of time, we

recommend that the vacuum chamber be vented to prevent exhaust from the

roughing pump being sucked back into the vacuum chamber. To vent the

vacuum chamber, follow steps 5 to 7.

LINAC®

Collision

ST2

Cell

ST3

IQ2

IQ3

Aux RF

Service. (See the Software Reference Guide for the

Hardware Guide

Exit

CEM

Lens

Deflector