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4.1
ROUTINE MAINTENANCE
(Cont'd)
4.1.1
Control
Panel Maintenance
(1)
Check
to
ensure the door is
fully closed (daily)
(D
The
unit
is of
fully airtight design
to
prevent
entrance
of
air,
oil
mist,
dust, etc.
from the outside. It is
mandatory
that the control
panel
doors be closed
at
all times
not
only during operation.
When it is
necessary to open
the door
for maintenance, use
the
special key supplied (Type:
YE001)
and
lock
(2
locks
per door)
the
door
positively
when finished. The
key can
be inserted with the door
either
open or
closed.
OPEN
*
-M>.
CLOSE'*'**
CLOSED
XYLOSE
0
CLOSED
OPEN
FOR
LEFT
DOOR HINGE
FOR RIGHT
DOOR HINGE
"Closed-
Notch
in "a"
horizontal
"Open-
Notch in "a" vertical
Fig. 4.1.1 Closing
Door
In
units equipped
with
a
door interlock switch
-x
.if
the door is
opened
all
operations
become
impossible, in
addition
to
the
power
being
turned off.
I
(2)
Checks for
gaps
or damage in the airtight
structure (once a
month)
d>
Open
each door and check for
damage
of the
airtight packing on
the
edges of the door.
<2) Check for abnormal contamination inside the unit. If stains
or
other
contamination are
present,
check
the
cause
and clean immediately.
®
Check
to
ensure
that there is
no gap
with the door
completely closed
and locked.
YASNAC Controllers
can
be used for
a
longer
period of
time safely
by executing
the above
checking.
-
649
-
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