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General Care, Troubleshooting and Service
6-17
13. Unplug the heater cable connector (red cable) from the contact on the
main board.
Figure 6-19
Column Assembly Base Screws
14.
Use assistance for this step. CAREFULLY
lift the outer column
straight up and out of the instrument chassis. Take care
not
to scrape
the inner and outer columns together.
C a u t i o n
Be careful to avoid scratching the rod and the inside of the tube as you
remove it. A small scratch, nick, or burr can disrupt the electric field
inside the mobility analyzer, severely affecting its performance.
C a u t i o n
As you move the assembly, check that all cables, hoses, and screws
have been disconnected. Review above if something is still attached.