BÜCHI Labortechnik AG
Cleaning and servicing | 7
Operation Manual Pure Chromatography Instrument C-805
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7
Cleaning and servicing
NOTE
Users may only carry out the servicing and cleaning operations described in this sec-
tion.
Any servicing and repair work which involves opening up the casing may only be car-
ried out by BUCHI service technicians.
u
Use only genuine BUCHI consumables and spare parts in order to ensure correct
operation of the device and preserve the warranty.
7.1
Regular maintenance work
Component
Action
Frequency
Pumps and valves
u
Purge the instrument with purging solvent.
See Chapter 7.5 "Cleaning the instru-
ment", page 53
Daily
Tubing
u
Check for leaks. If a leak is observed, re-
solve the issue before continuing.
Daily
Fittings
u
Inspect fittings; if solid material is de-
posited on a fitting, clean and tighten (re-
place) the fitting before continuing.
Daily
Drain lines
u
Check all drain lines to ensure that liquid
can flow through them to the waste con-
tainer
Daily
Waste bottle
u
Empty the waste bottle
Daily
Cartridge holder
u
Check the holding capability of the car-
tridge holder.
u
If necessary, replace the hock-and-loop
strap.
Weekly
Filters
u
Check the filters in the solvent bottles and
clean if necessary.
Weekly
Fittings
u
Check and if necessary tighten the fitting
that secures the tubing from the mobile
phase reservoir manifold to the inlet check
valve housing
Weekly
Data
u
Perform a data backup
Weekly
Casing
u
Wipe down the casing with a damp cloth.
u
If heavily soiled, use ethanol or a mild de-
tergent.
Weekly
Warning symbols
u
Check that the warning symbols on the in-
strument are legible.
u
If they are dirty, clean them.
Weekly
Display
u
Wipe down the display with a damp cloth.
Monthly
