7 Maintenance
216 July 29, 2013, 715003794 Rev. B
Tip: The two needle-wash lines are color-coded. The needle-wash in
tubing is green. The needle-wash out tubing is yellow or clear.
3. Reconnect the optical switch cable to the driver circuit board.
4. Reconnect the injector motor cable to the interconnect on the
chassis-mounted bracket.
5. Reconnect the restrictor loop to the fitting attached to the shorter of the
two stainless steel tubes, exiting the injector bottom.
6. Insert a 5/16-inch open-end wrench through the slot in the injector and
reconnect the sample loop (yellow tubing) to its fitting on the needle tee.
7. Reconnect the column fluidic line between the injector assembly and the
column.
8. Use tie wraps to resecure the needle-wash lines and the restrictor loop.
To re-assemble the system when maintenance is complete:
Note: This procedure applies only to a separations module with no column
heater or column heater/cooler option. If the column heater or column
heater/cooler option is installed, see page 202 for instructions on how to
reinstall the side panel on the separations module.
1. Mount the side panel on the rear panel posts.
2. Slide the side panel forward, aligning the red outlet tube with the slot in
the side panel.
3. Install the 2 screws on the side panel.
Tip: You must adjust the seal pack after you reinstall the injector.
Adjusting the seal pack
Seal pack adjustment involves these tasks:
• Purging the sample management system (see “Purge the system” on
page 108).
• Adjusting the seal pack (see “Adjust the seal pack” on page 110).
Clean the sample compartment
Clean the sample compartment when these conditions apply:
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