Buchi F-305, Руководство по эксплуатации

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7 | Cleaning and servicing BÜCHI Labortechnik AG
32/42 Operation Manual Recirculating Chiller F-305 / F-308 / F-314
7 Cleaning and servicing
NOTE
Users may only carry out the servicing and cleaning operations that are described in
this section. Any other servicing or repair work which involves opening up the casing
may only be carried out by BUCHI service technicians.
u Prior to all maintenance and cleaning work the device is to be disconnected from
the power supply by unplugging the power cord from the power outlet.
u Use only genuine BUCHI consumables and spare parts in order to ensure correct
operation of the device and preserve the warranty.
u
Regularly check the casing for visible defects (switches, connectors, covers).
7.1 Cleaning the casing
NOTE
The casing can be cleaned with warm water or ethanol.
u
Regularly wipe down the casing with a damp cloth.
u Immediately wipe off any chemical splashes with a damp cloth.
NOTICE
Risk of overheating and fire from drawing in dirty air
u Clean the dust off the air intake (louvers) on the front of the device with a damp
cloth at least once a year.
7.2 Checking and replacing tubing
u Check all tubing for wear at least every six months.
u Replace any damaged tubing.
7.3 Checking the coolant level
The coolant fill level should always be checked before using the device. The required
level of coolant depends on the length of the tubing and/or the number of laboratory
devices and condensers connected. For details, see Chapter 3.2.3 "Fill level indica-
tor", page 12 and Chapter 5.5 "Filling and draining the coolant tank", page 27.
7.4 Adding coolant
u See Chapter 5.5 "Filling and draining the coolant tank", page 27.