91518 Multigas Analyzer Service Manual 4-7
Maintenance
3 Tighten the screw.
4 Apply the new Ref. Gas label.
Figure 4-6: Reference gas block assembly
Gas Unit Disassembly
The disassembly of the gas unit is necessary for the replacement of the pneumatic block filter, the nafion
tubing, and the absorber.
Caution:
Observe precautions for handling electrostatic-sensitive devices!
Note:
• Never touch electrostatic-sensitive electronic components without following proper anti-static
procedures, including the use of an ESD wrist band and mat. An electrostatic discharge from your
fingers can permanently damage electronic components.
• All static-sensitive electronic components are packaged in static-shielding bags. Retain the bag for
repackaging the component, should you need to store it or return it to Spacelabs Healthcare for any
reason.
To disassemble the gas unit:
1 Remove any cables from the back of the enclosure.
2 Unfasten the captive fastener (; Figure 4-7) in the middle of the right side rear panel. Remove the screws
(; Figure 4-7) securing the rear panel to the chassis enclosure. Retain the screws.
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