Manifold Maintenance; Computer Maintenance; Lamp Replacement - Hach QC8500 Series 2 User Manual

Maintenance
1 Detector module (bottom view)
2 Set screws for fiber optic cable

5.12 Manifold maintenance

5.13 Computer maintenance

5.14

Lamp replacement

60
Figure 51 Detector module connection
Follow the recommended cleaning procedures listed in the QuikChem methods. In
addition, every 500 hours of use, clean each fitting and replace the O-rings as necessary.
If any of the tubing is stained, replace it with new tubing. Replace all manifold tubing once
a year.
Refer to the computer manufacturer manual for maintenance requirements.
DANGER
Potential Electrocution Hazard. Disconnect AC input before opening any part of the
System Unit and before removing or replacing the lamp. Make all wiring
connections and replace and secure all chassis parts before reconnecting AC
input.
CAUTION
Potential Burn Hazard. The lamp is hot when the System Unit is turned on. Turn the
System Unit off and allow 30 minutes for the lamp to fully cool before removing.
After installing a new lamp, make sure all wiring is dressed away from hot
surfaces.
Note: Handle the lamp on the outside of the reflector and base only. Do not handle lamp bulb glass.
Refer to Figure 52 on page 61
during installation.
3 Detector cable
4 Fiber optic cable
for lamp replacement. Do not touch the lamp bulb