Agilent Technologies 85103F, Installation Manual

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12 85103F Performance Upgrade Installation Manual
The 85103F Upgrade Package (8510A/B to 8510C)
Replacing the A20 Assembly
Replacing the A20 Assembly
If the system has a firmware revision earlier than 5.0, or if the 85102 has an A20 assembly
that does not have part number 85102-60234, use the following procedure to replace the
A20 assembly in the 85102. If the system has a firmware revision 5.0, and the 85102 has
an A20 assembly with part number 85102-60234, continue with
“Attaching New Labels.”
NOTE Refer to the analyzer documentation for instructions on how to
determine the operating system revision. If the system does not require
the A20 assembly provided in the upgrade kit, please return the
assembly to an Agilent service engineer for reuse.
CAUTION Static electricity can damage this assembly. Wear an anti-static wrist
strap connected to earth ground. Place the instrument top cover
(connected to earth ground) near the work area with the bare metal side
facing up. When you must put them down, place assemblies on the
metal surface.
1. Refer to Figure 3 for part locations in the following steps.
2. Remove the machine screws that hold the metal cover of the A20 sweep ADC assembly .
NOTE
In the following step, be careful not to damage the metal gasket (located
under the metal cover) when you remove the assembly.
3. Disconnect the cables from the A20 assembly, and remove the assembly from the
instrument.
4. Install the new A20 assembly from the upgrade package.
5. Reconnect the cables to the new A20 assembly.
6. Reinstall the assembly cover.
7. Replace the instrument top cover and lock feet.
8. Continue with “Attaching New Labels.”