Page 6—12, Section 6: Minor Replacements and Adjustments
5. Loosen the two thumbscrews that are inserted through the notches in the back of the
circuit board cover.
Figure 6-13. Location of Thumbscrews
6. Carefully rotate the panel up and back.
The circuit board cover is connected to the instrument by the two connectors of the
LOW STAIN and POWER lights. Rotate the panel carefully so the connectors are not
pulled loose.
7. Disconnect the
LOW STAIN and POWER lights from the circuit board, as directed in
step 5 of Check and Correct Instrument Operation Prior to Pump Volume Adjustment
on page 6-15 in this section.
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