Büchi Labortechnik AG
Cleaning and servicing | 9
Operation Manual Lyovapor™ L-300/L-300 Pro
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9
Cleaning and servicing
NOTE
Users may only carry out the servicing and cleaning operations described in this
section.
Any servicing and repair work which involves opening up the casing may only be
carried out by BUCHI service technicians.
9.1
Regular maintenance work
Component
Action
Interval
Vacuum Pump
u
Carry out maintenance according to
the manufacturer's instructions. See
relevant documentation.
See manufacturer's
instructions
u
Clean the outlet filter in an ultrasonic
bath.
Monthly
Top-mount drying
racks
u
Wipe down the top-mount drying racks
with a damp cloth.
u
If heavily soiled, use a mild detergent.
Daily
O-ring, dia. 300 mm
u
Wipe down the 300 mm O-rings with a
damp cloth.
u
Check for scratches and other damage.
u
Replace the 300 mm O-ring if it is
damaged.
Daily
u
Replace the 300 mm O-ring.
Annually
Seals
ISO-KF 16
u
Wipe down the seals with a damp
cloth.
u
Check for scratches and other damage.
u
Replace seals if they are damaged.
Annually
Seals
ISO-KF 25
Vacuum tubing
u
Wipe down the vacuum tube with a
damp cloth.
u
Check for damage.
u
Replace the vacuum tube if it is
damaged.
Annually
Space above ice
condensers
u
Wipe down the space between the ice
condensers with a damp cloth.
u
If heavily soiled, use ethanol or a mild
detergent.
Weekly - Monthly
Casing
u
Wipe down the casing with a damp
cloth.
u
If heavily soiled, use ethanol or a mild
detergent.
Weekly
Warning symbols
u
Check that the warning symbols on the
instrument are legible.
u
If they are dirty, clean them.
Weekly
