Agilent Technologies G6011A Quiet Cover MS User manual

Agilent Technologies
Agilent G6011A
Quiet Cover MS
Service Manual

Notices
© Agilent Technologies, Inc. 2011
No part of this manual may be reproduced
in any form or by any means (including
electronic storage and retrieval or transla-
tion into a foreign language) without prior
agreement and written consent from
Agilent Technologies, Inc. as governed by
United States and international copyright
laws.
Manual Part Number
G6011-90020
Edition
First edition, December 2011
Printed in China
Agilent Technologies (Shanghai) Co., Ltd.
412 Ying Lun Road
Waigaoqiao Free Trade Zone
Shanghai 200131 P.R. China
Warranty
The material contained in this docu-
ment is provided “as is,” and is sub-
ject to being changed, without notice,
in future editions. Further, to the max-
imum extent permitted by applicable
law, Agilent disclaims all warranties,
either express or implied, with regard
to this manual and any information
contained herein, including but not
limited to the implied warranties of
merchantability and fitness for a par-
ticular purpose. Agilent shall not be
liable for errors or for incidental or
consequential damages in connection
with the furnishing, use, or perfor-
mance of this document or of any
information contained herein. Should
Agilent and the user have a separate
written agreement with warranty
terms covering the material in this
document that conflict with these
terms, the warranty terms in the sep-
arate agreement shall control.
Safety Notices
CAUTION
A CAUTION notice denotes a hazard. It
calls attention to an operating
procedure, practice, or the like that, if
not correctly performed or adhered to,
could result in damage to the product
or loss of important data. Do not
proceed beyond a CAUTION notice
until the indicated conditions are fully
understood and met.
WARNING
A WARNING notice denotes a hazard.
It calls attention to an operating
procedure, practice, or the like that, if
not correctly performed or adhered to,
could result in personal injury or
death. Do not proceed beyond a
WARNING notice until the indicated
conditions are fully understood and
met.

Quiet Cover MS Service Manual 3
Contents
1 Introduction
Compatibility 6
Parts Identification 7
Safety Information 9
2 Replacement Procedures
Preparing the Quiet Cover MS for Repair 14
Replacing a Fan 16
Replacing the Alarm 19
Replacing the Thermostat 21
Replacing the On/Off Switch 22
Replacing an LED 23
Replacing the Wiring Harness 25
3 Replaceable Parts
Replacement Parts 30

4Quiet Cover MS Service Manual

5
Agilent G6011A Quiet Cover MS
Service Manual
Agilent Technologies
1
Introduction
Compatibility 6
Parts Identification 7
Safety Information 9
This manual provides information for Agilent service
representatives to support the Agilent G6011A Quiet
Cover MS for Agilent LC/MS rough pumps. The procedures
assume a trained service technician who is familiar with the
safety hazards and requirements for working on the Quiet
Cover.

6Quiet Cover MS Service Manual
1Introduction
Compatibility
Table 1 lists the rough pumps compatible with each 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
•Other scientific instrumentation

Introduction 1
Quiet Cover MS Service Manual 7
Parts Identification
G6011A Quiet Cover MS
Figures 1through 3point out the main internal components
of the G6011A Quiet Cover MS.
Figure 1 G6011A Quiet Cover MS (internal view of front panel/access door)
Fans
Thermostat
Alarm
Fan cable
Fan connectors
5188-6570
5188-1277
G6011-60564

8Quiet Cover MS Service Manual
1Introduction
Figure 2 G6011A Quiet Cover MS (internal view of front panel/access
door)
On/off switch
Power (green) LED
Temperature alarm (red) LED
5188-1178
5188-1180
5188-1179
Ferrite (part of wiring
harness G6011-60600)
Figure 3 G6011A Quiet Cover MS (internal view showing wiring harness)
Power connector (included
in wiring harness)
Wiring harness
G6011-60600

Introduction 1
Quiet Cover MS Service Manual 9
Safety Information
General Information
The Quiet Cover MS conforms to the International
Electrotechnical Commission (IEC) 61010–1 safety standard.
It also conforms to the following regulations on
Electromagnetic Compatibility (EMC) and Radio Frequency
Interference (RFI):
•CISPR 11/EN 55011: Group 1, Class A
•IEC/EN 61326
•AUS/NZ
This ISM device complies with Canadian ICES- 001. Cet
appareil ISM est conforme a la norme NMB—001 du Canada.
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. If it is used in a manner not specified by
the manufacturer, the protection provided by the instrument
may be impaired. Whenever the safety protection of the
Quiet Cover MS has been compromised, disconnect it from
all power sources and secure it against unintended
operation.
Refer servicing to qualified service personnel. Substituting
parts or performing any unauthorized modification to the
instrument may result in a safety hazard.
Symbols
Warnings in the manual or on the instrument must be
observed during all phases of operation, service, and repair
of this instrument. Failure to comply with these precautions
violates safety standards of design and the intended use of
the instrument. Agilent Technologies assumes no liability for
the customer’s failure to comply with these requirements.

10 Quiet Cover MS Service Manual
1Introduction
Table 2 lists the safety symbols that may appear on the
Quiet Cover MS.
Important Safety Warnings
Safety cautions and warnings must be observed during all
phases of operation, service, and repair of the Quiet Cover
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.
Table 2 Safety symbols
Description Symbol
See accompanying instructions for more information.
Indicates a hot surface.
Pinch hazard.
Indicates earth (ground) terminal.
Indicates that you must not discard this electrical/electronic
product in domestic household waste.
WARNING
Never run the pump without also running the Quiet Cover MS.
CAUTION
While running the Quiet Cover MS:
•Do not block air flow to the fans.
•Do not set items on top of the Quiet Cover MS.
•It is important that the Quiet Cover MS not recirculate hot air.
Always position the Quiet Cover MS so that it can cool air into
the fan intakes.