Waters Alliance e2695 Operator's Manual page 143

Figure 7–14: Remove the injector assembly
Optical switch
cable
Column fluidic
line
To remove the injector:
1. Cut and remove the tie wraps securing the needle wash lines and restrictor loop.
2. Disconnect the column fluid line between the injector assembly and the column.
3. Insert a 5/16-inch open-end wrench through the slot in the injector, and remove the sample
loop (yellow tubing) fitting from the needle tee.
4. Use a 5/16-inch open-end wrench to remove the restrictor loop fitting that is attached to the
shorter of the two stainless steel tubes, exiting the bottom of the injector.
5. Disconnect the injector motor cable from the interconnect on the chassis-mounted bracket.
6. Disconnect the optical switch cable from the driver circuit board.
7. Remove the two needle wash lines from the stainless steel connecting lines at the bottom of
the injector.
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.
8. Loosen the two captive mounting screws that secure the injector to the compartment floor.
9. Lift the injector assembly a few inches, and then remove it from the instrument.
10. Carefully lay the injector on a clean surface on its side.
Captive mounting
screws (2)
February 27, 2018, 715003794 Rev. C
Page 143
Injector motor
cable and
interconnect
Sample loop
fitting
Needle wash
lines
Restrictor
loop