Exchanging The Optical Unit - Agilent Technologies 8453 Operator's Manual

1 Turn off the spectrophotometer and disconnect the power cord. Take the
2 Remove any accessory board or MIO board that may be plugged in from the
3 Remove the upper rear and upper front foam blocks.
4 Remove the Deuterium and Tungsten lamps, see "Exchanging the Deuterium
5 Disconnect the shutter cable from the SPM board and the flat ribbon cable
Figure 38
6 Remove the three hexagonal screws that hold the optical unit on the chassis
7 Lift the optical unit out of the instrument and place it on the bench.
Maintenance and Repair

Exchanging the Optical Unit

Exchanging the Optical Unit
The optical unit (part number G1103-69002) includes spectrograph, optics
bench, shutter and lamp housing and it is exchanged as one item.
Removing the Optical Unit
plastic and sheet metal rear and front covers off, see "Removing and Replacing
Covers" on page 109.
rear side of the instrument.
or Tungsten Lamp" on page 96.
from the spectrograph.
Removing the Optical Unit
of the instrument. Take the screws out to be able to lift up the optical unit.
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