Chapter 4: Maintenance 59
2. Remove the Bal seal by gripping it between your thumb and
index finger and pulling down.
3. Install the new Bal seal spring-side up.
Ensure that the sample tube O-ring is still in place inside the
retainer.
4. Re-install the retainer and outer
sleeve over the sample
injection tube. Push the outer sleeve all the way up into the
sample injection port and then screw the retainer into place
and tighten to finger tight. This will seat the Bal seal.
5. Install a sample tube on the SIP to
ensure that the outer sleeve
has been properly installed.
If the sleeve hits the bottom of the tube,
loosen the retainer
slightly and push the sleeve up as far as it will go. Tighten the
retainer.
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