INST.No.INE-475-P1CE Software Version 1.00
-36-
9.4 Maintenance parts
9.4.1 List of maintenance parts
The replacing intervals are reference values. They are subjected to the working conditions.
Article name
Quantity Replacing interval
Remarks
Lamp (with rubber sheet)
1
5 years
Motor (with connector)
1
3 years
Power board
1
5 years
3 years when the ambient temperature
is 40
°
C or higher
Fuse
2
Supplied as an attachment
10A
Ø
5X20mm (Littelfuse 217010)
9.4.2 Replacing a lamp
(1) Turn off the power source to this detector
unit.
(2) Loosen four M4 hexagon socket cap screws
fixing the data display cover and remove the
data display cover slightly.
(3) Disconnect the cable connector (26 pins) at the
display board and the connector (7 pins) at the
power board, and then remove the data
display cover from this detector unit
completely.
(4) Loosen M3 pan screws fixing the lamp cover,
and remove the lamp cover upward.
(5) Turn the lamp bulb counterclockwise viewed
from the filament side about 30 degree, and
pull the lamp from the socket.
(If the lamp is not turned easily, turn the lamp
bulb by wrapping the rubber sheet around it,
which is attached to a new replacement lamp.)
(6)
Position the new lamp with the crena portion
of the flange, insert it into the back of the
socket, and then turn it clockwise viewed
from the filament side about 30 degree.
(7) Mount the lamp cover, and then mount the
data display cover (including the connections
of 2 connectors). The replacement of the lamp
is completed.
9. Inspection and maintenance
For replacing maintenance parts, make sure to turn off the power source to this detector unit.
For replacing the lamp, make sure
to turn off the power source to this
detector unit.
Warning
As th
e data display cover is
connected with internal components
by cables, carefully remove the cover
not to scratch the cables.
As the lamp bulb becomes hot after
energization, replace it after cooling
it down enough.
W a r n i n g
Caution
Caution
Lamp cover
Lamp
Display board connector (26 pins)
Data display cover
Power board
connector (7 pins)