Agilent Technologies G3199 Series User manual

Agilent Technologies
Agilent G3199 Series
Quiet Cover
Service Manual

2Service Manual
Notices
© Agilent Technologies, Inc. 2007
No part of this manual may be reproduced in
any form or by any means (including elec-
tronic storage and retrieval or translation
into a foreign language) without prior agree-
ment and written consent from Agilent
Technologies, Inc. as governed by United
States and international copyright laws.
Manual Part Number
G3199-90020
Edition
First edition, April 2005
Second edition, May 2007
Printed in USA
Agilent Technologies, Inc.
2850 Centerville Road
Wilmington, DE 19808-1610 USA
Safety Notices
CAUTION
A CAUTION notice denotes a haz-
ard. It calls attention to an operat-
ing 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 per-
formed or adhered to, could result
in personal injury or death. Do not
proceed beyond a WARNING
notice until the indicated condi-
tions are fully understood and
met.

Service Manual 3
Contents
1 Introduction
Parts Identification 6
Safety Information 9
2 Replacement Procedures
Preparing Quiet Cover for Repair 14
Replacing a Fan 16
Replacing the Alarm 19
Replacing the Thermostat 20
Replacing the On/Off Switch 21
Replacing an LED 22
Replacing the Wiring Harness 23
3ReplaceableParts

4Service Manual

5
Agilent G3199 Series Quiet Cover
Service Manual
Agilent Technologies
1
Introduction
Parts Identification 6
Safety Information 9
This manual provides information for Agilent service representatives to
support the Agilent G3199A Quiet Cover and G3199B Quiet Cover II.
The G3199A is compatible with the BOC Edwards E1M18 pump used with the
Agilent 1100/1200 LC/MS Series instruments.
The G3199B is compatible with the BOC Edwards E1M18 and E2M28 pumps
used with the Agilent 1100/1200 LC/MS Series instruments and with the BOC
Edwards E2M18 pump used with the Agilent ICP/MS.

6Service Manual
1Introduction
Parts Identification
Figures 1-4 point out the main components of the internal Quiet Cover.
* Thermostat part number for G3199B is 5188-6570.
Figure 1 Quiet Cover (internal view of rear panel).
Fan
Thermostat 5188-1176 (G3199A)*
Power connector
Wiring harness
Alarm
Fan cable
Fan connector
G1099-60564
5188-1177
(included in wiring
harness)
5188-1163

Introduction 1
Service Manual 7
Figure 2 Quiet Cover (internal view of front panel).
Figure 3 Internal view showing rear part of wiring harness.
Wiring harness
5188-1163
On/off switch 5188-1178
Power (green) LED 5188-1180
Ferrite (part of wiring harness 5188-1163)
5188-1179Temperature alarm (red) LED

8Service Manual
1Introduction
Figure 4 Internal view showing front part of wiring harness.
Wiring harness
Wiring harness

Introduction 1
Service Manual 9
Safety Information
General Information
The Quiet Cover 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 is designed and manufactured under a quality system
registered to ISO 9001.
Information
The Agilent Technologies Quiet Cover meets the following IEC classifications:
Category II, Pollution Degree 2, Class III.
Quiet Cover 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 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.

10 Service Manual
1Introduction
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. Table 1 lists the safety
symbols that may appear on Quiet Cover.
Important Safety Warnings
Safety cautions and warnings must be observed during all phases of operation,
service, and repair of Quiet Cover. Failure to comply with these precautions
violates safety standards of design and Quiet Cover’s intended use. Agilent
Technologies assumes no liability for the customer’s failure to comply with
these requirements.
Table 1 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 Quiet Cover.

Introduction 1
Service Manual 11
Electromagnetic compatibility
This device complies with the requirements of CISPR 11. Operation is subject
to the following two conditions:
•This device may not cause harmful interference.
•This device must accept any interference received, including interference
that may cause undesired operation.
If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and on, the
user is encouraged to try one or more of the following measures:
•Relocate the radio or antenna.
•Move the device away from the radio or television.
•Plug the device into a different electrical outlet, so that the device and the
radio or television are on separate electrical circuits.
•Make sure that all peripheral devices are also certified.
•Make sure that appropriate cables are used to connect the device to
peripheral equipment.
CAUTION While running Quiet Cover:
•Do not block air flow to the fans.
•Do not set items on top of Quiet Cover.
•It is important that the Quiet Cover not recirculate hot air. Always position the front
end of the Quiet Cover where it can draw cool air.
CAUTION Be sure to position Quiet Cover so that there is plenty of room to allow access to
panels and controls.
WARNING In the event of a temperature alarm malfunction or if the alarm has been on for an
extended period of time, Quiet Cover and the pump may be dangerously hot. Check
that the Quiet Cover and pump are cool before you touch them.

12 Service Manual
1Introduction
•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 operate the equipment.
Sound emission declaration
•Sound pressure – Lp < 70 dB am according to EN 27779:1991.
•Schalldruckpegel – LP < 70 dB am nach EN 27779:1991.

13
Agilent G3199 Series Quiet Cover
Service Manual
Agilent Technologies
2
Replacement Procedures
Preparing Quiet Cover for Repair 14
Replacing a Fan 16
Replacing the Alarm 19
Replacing the Thermostat 20
Replacing the On/Off Switch 21
Replacing an LED 22
Replacing the Wiring Harness 23

14 Service Manual
2Replacement Procedures
Preparing Quiet Cover for Repair
Before performing any replacement procedures on the Quiet Cover, prepare it
for service as described below.
Required tools
•5/16-inch open-end wrench
Procedure
1Turn off and unplug Quiet Cover.
2Remove the two pump access panels by loosening the thumbscrews on the
top and sides.
3Remove the lid by loosening the three thumbscrews along the bottom of
each side and by loosening the one thumbscrew along the front edge of each
side.
4Remove the pump.
aRemove the nuts from the vibration mounts.
bSlide the cord and grommet from the groove in the back upper edge of
the Quiet Cover frame. (See Figure 5.)
WARNING The pump:
• May be hot. Use gloves when moving it or wait until it is cool.
• Is heavy. For your safety, two people should move it together.
Figure 5 Power cord grommet.
Power cord
grommet

Replacement Procedures 2
Service Manual 15
cRemove the grommet from around the cord and slide the grommet back
into the groove in the frame for safekeeping.
dPick up the pump and remove it from Quiet Cover. Use two people to lift
the pump.
eLoosely thread the nuts back onto the vibration mounts for safekeeping.
NOTE Do not forget to replace the pump, lid, and pump access panels when maintenance is
complete.

16 Service Manual
2Replacement Procedures
Replacing a Fan
Required tools
•Phillips screwdriver
•A wrench for #8–32 nut
Procedure
To rem ove the old f an
1Perform the steps under “Preparing Quiet Cover for Repair” on page 14.
2Disconnect the fan cable at the fan connector of the wiring harness. (See
Figure 6.)
Figure 6 Disconnecting the fan.
Disconnect here
Fan connector

Replacement Procedures 2
Service Manual 17
3Remove the baffle (metal plate covering the fans on the outside of the Quiet
Cover). There are six screws that hold it in place. (See Figure 7.) Hold the
standoffs behind the baffle to prevent them from turning.
4Remove the four screws and nuts from the faulty fan. (See Figure 8.)
5Remove the fan and finger guards. Save the finger guards.
To install the new fan
1Orient the new fan so the cable is at the bottom and the airflow will be
directed out of:
•The back of the Quiet Cover (G3199A)
•The front of the Quiet Cover II (G3199B)
Figure 7 Rear baffle, showing its six screws.
Figure 8 Removing the fan.
Remove

18 Service Manual
2Replacement Procedures
2Place the outside finger guard (with the countersunk screw holes facing
out) on the outside of the Quiet Cover.
3Feed one screw, with the white insert facing out, through the outer finger
guard and the Quiet Cover wall.
4Install a fan spacer into the fan, and slide the screw all the way in. Then
install the fan and inside finger guard (countersinks facing fan) over the
screw. Install the remaining screws and spacers. (See Figure 9.)
5Add and tighten the nuts.
6Connect the fan cable to the fan connector of the wiring harness.
7Reinstall the baffle.
Figure 9 Fan, showing mounting-screw after assembly
Spacer
Fan
Inner finger guard

Replacement Procedures 2
Service Manual 19
Replacing the Alarm
Required tools
None
Procedure
1Perform the steps under “Preparing Quiet Cover for Repair” on page 14.
2Remove the wires (marked ALRM + and ALRM –) from the alarm. (See
Figure 10.)
3From the outside of the Quiet Cover, unscrew the ring securing the alarm
and remove the alarm.
(See Figure 11.)
4Screw a new alarm into place.
5Reconnect the wires to the alarm, matching the ALRM + and ALRM – wires
to the + and – terminals on the alarm.
Figure 10 Inside view of the back of alarm.
Figure 11 Outside view of the alarm.
Connectors

20 Service Manual
2Replacement Procedures
Replacing the Thermostat
Required tools
•Phillips screwdriver
Procedure
1Perform the steps under “Preparing Quiet Cover for Repair” on page 14.
2Remove the two wires THERM-1 and THERM-2 from the thermostat.
3Remove the two screws that hold the thermostat in place, and remove the
thermostat. (See Figure 12.)
4Place the new thermostat (G3199A part number 5188-1176; G3199B part
number 5188-6570) on the thermostat studs. The left/right orientation is
not important. Reinstall the two screws that hold the thermostat.
5Attach the wires marked THERM-1 and THERM-2 on the wiring harness to the
connectors on the thermostat. It does not matter which wire is attached to
which side of the thermostat.
Figure 12 Thermostat.
G3199A part number 5188-1176
G3199B part number 5188-6570