Hach CM130, User Manual

Page: 59 / 112

Maintenance
D A N G E R
Multiple hazards. Only qualified personnel must conduct the tasks described in this section of the
document.
C A U T I O N
Personal injury hazard. Changes or modifications to this equipment not performed by the manufacturer
or expressly specified in
Consumables and replacement parts on page 73 or the service manual are
prohibited.
C A U T I O N
Personal injury hazard. Modules removed for service or maintenance replacement are not to be
repaired or reused.
Maintenance schedule
Table 9 shows the recommended schedule of maintenance tasks.
Replacement part numbers are available in Consumables and replacement parts on page 73.
Table 9 Maintenance schedule
Task Daily Monthly 6 months Yearly As necessary
Monthly maintenance on page 58 X
Periodic maintenance on page 59 X
Replace the remote indicator battery on page 60 X
Replace the remote indicator
22
X
Replace the power cord
22
X
Replace the sample conditioning module
22
X
Replace the reagent delivery module
22
X
Replace the stir motor
22
X
The tasks that follow show on the Maintenance screen. These tasks are done only for
troubleshooting. Refer to .
• Prime reagents—The display screens are shown for reference in Appendix D: Screens—Prime
reagents on page 87.
• Flush colorimeter—The display screens are shown for reference in Appendix E: Screens—Flush
colorimeter on page 89.
• Performance check—The display screens are shown for reference in Appendix F: Screens—
Performance check on page 91.
22
Refer to the documentation supplied with the replacement part for instructions.
English 57