Agilent Technologies 6890 Series Service Manual page 863

Index
Too hot
, 850-8
Overview, GC system components
Oxygen trap description
, 520-8
P
P aux bad fact cal
, 850-21
P aux calib deleted
, 830-6
PCB pneumatics board replacement
PCM, replacing
, 270-2
PCOC See Cool On-Column inlet
Personal computer specifications
Pipe-thread connections
, 520-7
Plastic covers
, 1330-4
Plumbing assemblies, replacing
Pneu aux
Bad cksum
, 850-20
Invalid pid
, 850-19
I/O failure
, 850-21
Pneu board FPGA
, 850-1
Pneumatics
Direct mode
, 250-5
Fan removal
, 410-18
Split mode
, 250-1
Splitless mode
, 250-2
Pneumatics board , 850-1
Replacement , 430-14
Pneumatics Control Module
Replacement procedures
Theory of Operation
Power board
Circuitry diagram , 1230-7
Connector circuitry diagram
Power cord
Requirements
, 530-2
Terminations
, 530-4
Power on in progress , 820-9
Power requirements
6890 GC
, 530-1
Cord
, 530-2
Maximum consumption
Oven type
, 530-2
Voltages
, 530-2
Power supply
AC board connectors
AC board IPB
, 1360-4
12 of 16
, 510-5
Power transformer replacement
Pre run
Pressure check, valves
, 430-14
Pressure programming and gas saver
Pressure regulators
, 510-5
Printer specifications
, 240-23
Programmable Cool On-Column inlet See Cool
Programmed Temperature Vaporization Inlet
Programmed temperature vaporization inlet
Proportional control valve, troubleshooting
PTV
PTV inlet, replacing
, 270-2
PTV LCO
, 270-1
PTV LN
PTV manifold, leak test
PTV thermocouple PCB, replacing
, 1220-6
Pulsed split mode
Pulsed splitless mode
Purged/Packed inlet
, 530-2
, 1230-5
Index
Agilent 6890 Gas Chromatograph Service Manual
Fuses
, 1230-4
IPB , 1360-2
Oven heater fuses
, 1230-2
Oven heater shroud
, 1230-3
Voltage configuration
, 1230-1
, 250-4
, 1150-5
Connecting to gas tubing
Pipe-thread connections
Recommendations
, 520-7
, 510-5
On-Column inlet
IPB
, 1310-22
Manifold IPB
, 1310-24
Theory of Operation
, 240-1
Leak points , 240-45
Leak test
, 240-39
840-4
Replacing with cooling assembly
, 240-13
CryoAssy
, 1310-26
2
CryoAssy
, 1310-27
2
, 240-42, 250-26, 270-7
, 210-2
, 210-4, 240-8
Consumables
, 1310-18
EPC manifold replacement
Heater/sensor
, 220-5
IPB
, 1310-12
Leak points
, 220-19
Leak test
, 220-10
Manifold IPB
, 1310-14, 1310-34
Replacement
, 220-4
Theory of operation
, 220-1
, 430-17
, 250-7
, 520-7
, 520-7
,
, 240-16
, 240-25
, 220-8
Jun 2001