Waters 717plus - 5.3.1 Removing the Injector

Maintenance 136
5
Tools Required
These procedures require the following tools:
• One T10 Torx
®
wrench
• One T20 Torx wrench
• Two 5/16-inch wrenches
• One long flat-blade screwdriver
5.3.1 Removing the Injector
To remove the injector:
1. Turn off the unit and disconnect the power cord from the rear panel.
2. Remove the autosampler cover (see Section 2.6.1,
Removing/Replacing the
717plus Cover).
3. Using a Torx T20 wrench, remove the two screws securing the injector safety shield
(located at the top of the shield). Remove the injector safety shield.
4. Disconnect the injector motor and sensor cables from the main circuit board.
5. Disconnect the fluid lines at inlet side of the two in-line filters (Figure 5-9
).
6. Disconnect the two needle wash lines from the right side of the injector (Figure 5-6
).
Caution: To avoid the possibility of electric shock, do not remove the power supply cover.
The power supply does not contain user-serviceable components.
Caution: To avoid the possibility of electric shock, disconnect the autosampler power
cord before continuing.