-23- ■EPDT-201g■
Remove the main body cover
②
of the seismic
detector close to you and, as shown in this figure,
use a cotton swab (not possibly scratching the steel
ball
⑮
) or an equivalent to softly press the steel
ball
⑮
to release it from the receiving rod
⑮
.
(See "7.4 How to adjust the seismic detector" on
page 12).
Allow the seismic detector to activate by dropping
the steelball
⑮
from the receiving rod
⑯
.
9.4.2 Shut-off valve
Warning
(1)Make sure that the power supply is not turned on and then start this procedure.
*An electric shock can possibly be given.
Cautions
(1)Keep watching an opening indicator or an equivalent to conduct a manual operation and check
the wide open and fully closed positions to prevent them from being exceeded.
*If they are exceeded, the product will be damaged.
(2)Make sure that the power supply is not turned on and then start this procedure.
*The product can possibly be broken.
Lower the manual clutch knob below the
electric operation machine and turn it by 90
degrees clockwise or counterclockwise.
(The connection to the motor comes off to
allow a manual operation).
Engage a monkey wrench or an equivalent
with the hexagon of the connector portion
(two facets of the manual operation shaft for
200A) to conduct a switching operation.
To return to an automatic operation, return
the manual clutch knob to the original
condition. In this case, make sure that the
manual clutch knob has returned to the
original condition.
If it does not return to the original condition,
slightly move the connector or the manual
operation shaft.
Before proceeding to an automatic operation,
ensure to remove the monkey wrench and
the manual handle.
Cotton swab or an equivalent
(not possibly scratching the steel ball)
50
~
150A
200A
Opening indicator
(O: Fully open, S: Fully closed)
Manual clutch
knob
Connector
Manual operation
shaft
Manual clutch
knob
Содержание MD-71
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