HP 5890 SERIES II Service Manual page 234

11. Cap the base of the inlet, inside the column oven.
12. Remove the auto- injection assembly (or optional manual injection assembly) by rotating it
counter- clockwise). Be careful not to loose the septum, insert, or PCOC insert spring which
are installed under the injection assembly.
HEATER/SENSOR
CABLE ASSEMBLY
13. Remove the air deflector using a Pozidriv screwdriver to remove the screw securing the air de-
flector to the inlet weldment.
14. Use a Pozidriv screwdriver to remove the two screws securing the inlet to the instrument.
15. Lift the inlet enough to expose the heated block.
16. Remove the cryo- blast tube from the inlet weldment.
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AUTO
INJECTION
ASSEMBLY
SEPTUM
INSERT
PCOC INSERT
SPRING
AIR DEFLECTOR
SCREW
SVC 6- 43
OPTIONAL
MANUAL
INJECTION
ASSEMBLY
DUCKBILL
SEPTUM
WELDMENT
INSULATION
CAVITY
SLEEVE