HACH LANGE QuikChem 8500 2 Series, Maintenance And Troubleshooting Manual

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Maintenance schedule
Table 1 shows the recommended schedule of maintenance tasks. Facility requirements and
operating conditions can increase the frequency of some tasks.
Table 1 Maintenance schedule
Component Procedure As necessary Daily Weekly Monthly 6 months Yearly
Sampler Clean surfaces X X
Clean rods/moving parts X
Remove loose particles off
the y-axis lead screw with a
dry, lint-free cloth. X
Replace the pump tubes on
the rinse station assembly. X
Dilutor Clean surfaces X X
Prime dilutor with DI water
before another diluent is used X
Replace all tubing X
Pump Spray silicone on cloth and
rub on rollers X
Replace pump tubes X
Clean surfaces X X
Rinse cartridges X
Clean pump tube adapters X
Injection valves Clean ports and valve
connectors
X
Manifolds Clean unions and tees X
Replace O-rings X
Replace all tubing X
Detectors Dry and clean all surfaces X X
Flow cells Replace flares and O-rings X
System unit Keep dry and clean X
Replace the heater mandrel X
Computer Clean hard drive X
How to clean spills
C A U T I O N
Chemical exposure hazard. Dispose of chemicals and wastes in accordance with local, regional and
national regulations.
1. Obey all facility safety protocols for spill control.
2. Discard the waste according to applicable regulations.
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