In order to disassemble and repair the
unit in question, be sure to disconnect the
power cord plug from the power outlet
before starting the work.
If it is necessary to replace any parts, they should be replaced with respective genuine parts for the unit
and the replacement must be ef
fected in correct manner according to the instructions in the Service
After completion of repairs, the initial state should be
Lead wires should be connected and laid as in the
Modification of the unit by the user himself should
absolutely be prohibited.
ools and measuring instruments for use in repairs or inspection should be accurately calibrated in
Tools and measuring instruments for use in repairs or inspection should be accurately calibrated inT
In installing the unit having been repaired, be careful to prevent the occurrence of any accident such as
electrical shock, leak of current, or bodily injury due to the drop of any part.
o check the insulation of the unit, measure the insulation resistance between the power cord plug and
To check the insulation of the unit, measure the insulation resistance between the power cord plug andT
grounding terminal of the unit.
The insulation resistance should be 1M
or more as measured by a 500V DC megger
The initial location of installation such as window
, floor or the other should be checked for being safe
enough to support the repaired unit again.
If it is found not so strong and safe, the unit should be installed at the initial location after reinforced
Any inflammable object must not be placed
about the location of installation.
Check the grounding to see whether it is
proper or not, and if it is found improper
connect the grounding terminal to the earth.
Spray
gasoline
gasbombe
thinner
parts are defective, replace
the electrical parts without
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