Yamato Scientific DG400 Drying Ovens for Laboratory Tools - Manual (Page 31)

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6. Maintenance procedures
Daily inspection/maintenance
Be sure to perform daily inspection and maintenance to assure reliable operation of the unit.
Warning
● Be sure to pull out the power cord unless necessary before trying to do inspection and
maintenance works.
● Start these works after the device has returned to the normal temperature.
● Never try to disassemble the unit.
Caution
● Wipe off any dirt with a tightly wrung soft cloth. Never try to clean the unit with benzene, thinner
or scouring powder, or rub with a scrubbing brush. Deformation, degradation or discoloration
may result.
Every month
Inspect the functions of the ELB.
Test shall be performed with the power cord connected and
power is being supplied to the unit.
・
First turn the ELB to “off.”
・ Then, turn the ELB “on” and press the test button on the
device with a ball-point pen to check whether it is turned
off to indicate that it is in the normal state.
Maintenance of the internal bath
Stop operation and turn the ELB to OFF. Pull out the power cord off the distribution board and the
wall outlet. Confirm the temperature in the device and remove shelf boards and clamps.
The internal bath, shelf boards and shelf clamps are made of SUS304 stainless steel and
reinforced glass is used for the observation window. To clean these items, thoroughly wipe with a
cloth moistened with cleaning alcohol then wipe gently with a dry cloth.
Never use acid detergent, alkaline detergent, oil or organic solvent, which may cause corrosion or
damage to the products.
There are sharp protrusions inside the internal bath, shelf boards and shelf
pillars and shall be handled with special care to avoid personal injury. Be
sure to wear gloves since handling with bare hands may present danger.
Test button