HP 5890 SERIES II Service Manual page 43

11. Use the lance release tip of an AMP pin extrac-
tion/lance reset tool (8710- 1542) to remove the
appropriate pins from connector P7. (The tool
features a lance release tip and a lance reset
tip. The lance release tip is used to depress
the pin locking lance to extract the pin from a
connector. The lance reset tip positions a lock-
ing lance to its proper height to ensure reten-
tion of the pin in the connector.)
LANCE
RELEASE
TIP
LOCKING
LANCE
CAVITY
BACK OF
HOUSING
12. Prepare the pins corresponding to the replace-
ment fan by adjusting their locking lances using
the lance reset portion of the tool.
13. Insert the pins for the replacement fan into their
appropriate locations in the plug, making sure
the locking lance on each pin seats into its hole
through the side of the plug.
14. Gently pull on the wire to ensure that the pin is
locked in the connector.
15. Insert connector P7 into its corresponding
receptacle on the main PCB.
16. Install the new fan and fan cover and
secure using two screws.
17. Install the rear panel and secure it to the
instrument using four screws.
18. Install the right side panel and secure using
four screws.
19. Install the electronics carrier top cover.
20. If removed, install autosampler and associated bracketry.
21. Install the injection port cover.
22. Restore power to the instrument.
Artisan Scientific - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisan-scientific.com
TOOL STOP
INSERT TIP
HERE
(BACK OF
CAVITY)
CONTACT
(TYPICAL)
LANCE
RESET
LOCKING
LANCE
CAVITY
SVC 2- 22
EXTRACTION
LANCE RESET
TOOL
DASH NUMBER
LANCE
MARKED HERE
RESET TIP
TAPER
TIP
RECEPTACLE
BOX (TYPICAL)
CONTACT
(TYPICAL)
BACK OF
HOUSING
TOOL
STOP
LANCE
RELEASE
TIP
LOCKING
LANCE
LOCKING
LANCE