SVC 6-42
reversed peaks are experienced, the most likely
cause is reversed gas tubes connected to the
TCD solenoid valve.)
Remove/Replace PCOC Inlet Cryogenic Cooling (Cryo-Blast) Weldment
HAZARDOUS VOLTAGES ARE PRESENT IN
THE INSTRUMENT WHEN THE POWER CORD
IS CONNECTED. AVOID A POTENTIALLY
DANGEROUS SHOCK HAZARD BY
DISCONNECTING THE POWER CORD
BEFORE WORKING ON THE INSTRUMENT.
1. Set the main power line switch to the off position.
2. Disconnect the power cable from its receptacle.
3. Allow time for the oven and heated zones to cool.
4. When the heated zones are cool, turn off all gas
supplies.
5. At the bottom of the inlet(s) to be removed, in-
side the column oven, remove the column and
hardware associated with the inlet(s) (liner,
column/liner nuts, ferrules, makeup gas adapt-
er, etc.).
6. Remove the injection port cover by grasping its
back edge and lifting it upward.
7. Remove the two screws securing the left side
panel along its bottom edge.
8. Slide the left side panel towards the
rear of the instrument and lift.
OFF ON
RED O VISIBLE
1/4-INCH
SCREW
AND
WASHER
INJECTION PORT COVER
TOP COVER
PRESS
HERE TO
FREE
COVER
LID SHAFT
SCREWS
LEFT SIDE
PANEL
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