HP 5890 SERIES II Service Manual page 85

c. Remove the knurled connector nut from the
collector housing.
d. Remove the spring washer from the ignitor
castle
e. Lift the ignitor castle off of the collector
body.
f. Lift the upper collector insulator off of the
collector body.
g. Lift the collector body from the collector
housing.
h. Install a new collector body in the collector
housing.
i. Install the upper collector insulator on the
connector body
j. Install the ignitor castle onto the collector body.
k. Install the spring washer on the ignitor castle.
l. Install the collector nut over the ignitor castle and spring washer and onto the collector
housing hand- tight.
m. If employed, install the optional PTFE chimney.
7. TO REPLACE COLLECTOR ASSEMBLY AS A UNIT:
a. Remove the electronics carrier top cover .
b. Remove the right side panel by
removing four screws: two each
along its top and bottom edges.
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UPPER COLLECTOR
INSULATOR
COLLECTOR BODY
SVC 4- 15
OPTIONAL PTFE CHIMNEY
COLLECTOR NUT
SPRING WASHER
IGNITOR CASTLE
IGNITOR (GLO- PLUG)
ASSEMBLY
LOWER COLLECTOR
INSULATOR
COLLECTOR SPANNER NUT
SCREW
COLLECTOR MOUNT
COLLECTOR HOUSING
ELECTRONICS
CARRIER TOP
RIGHT SIDE PANEL
COVER
DIODE BRIDGE
ASSEMBLY
SCREWS
SCREWS