Yamato DC401, Instruction Manual

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19
6. MAINTENANCE PROCEDURES
Inspection & Maintenance
WARNING!

Always disconnect the power cable when performing inspection or maintenance, unless otherwise
necessary.

Perform daily inspection and maintenance after unit temperature has returned to normal (room
temp).

Do not disassemble unit.

Do not touch cooling fins with bare hands or fingers.
CAUTION!

Clean with a soft, damp cloth. Never use benzene,
paint thinner, scouring powder, scrubbing brushes
or other abrasives and solvents to clean unit.
Superficial damage and/or discoloration, as well as
deformity to some components may result.
Monthly maintenance
Inspect main power switch (ELB) ON and OFF function.
・
Prepare unit for inspection by connecting power cable to a
facility outlet or terminal.
・
Confirm
that main switch (ELB) is “OFF” then, turn main
switch (ELB) back “ON”.
・ With the main switch “ON”, depress the test button on the
main switch (ELB) using a ball-point pen or other fine-tipped
object. If main switch (ELB) shuts off, it is functioning
normally.
Cleaning cooling fins

If cooling fins are allowed to become clogged with dust,
degraded performance and refrigeration system malfunction
may result. Inspect and clean cooling fins periodically.

Loosen (4) vent cover mounting screws and remove. Clean dust
from cover/filter using a vacuum cleaner.

After cleaning the cooling fins in the same way, reinstall vent
cover.
Be careful not to bend or crush the fins while cleaning.
Do not contact cooling fins with bare hands or fingers.
Contact a local dealer, or Yamato sales office for further assistance.