Chapter 4
Maintenance and Checkup
CMN005-002
35
E
nglis
h
4.2
Replacing Fuses
Replace fuse if any of them is blown by an overcurrent due to trouble with internal equipment.
The fuse is contained in the black box on the left of the power switch.
The replacing fuse should be those designated by CHIKO AIRTEC.
Designated fuses: 218 Series from Littell fuse
SK-250
:
100V
→
250V 8A
-T
,
-CE
→
250V 5A
SK-450
:
100V
→
250V 15A
-T
,
-CE
→
250V 10A
SK-750
:
250V 10A
■
SK-250AT
1.
Pull out the black box on the right
hand side of the MAIN POWER
switch.
If the black box does not come out
easily, pull forward with a slotted
screwdriver and hook round.
2.
Replace the fuse inside the black
box.
■
SK-450AT-HI
/
SK-750AT-PM
1.
Open the cover of the fuse box.
The cover cannot be removed.
2.
Take out the fuse box using a flathead
screwdriver or other thin-tipped tool.
3.
Remove the fuses out of the fuse box
and replace with new ones.
4.3
Daily Checkup
Check item
Frequency
Check that:
Main body
Before operation
Is the front cover completely closed?
Suction port
Before operation
Suction port is not blocked.
Exhaust condition
Daily
Exhaust port is not blocked.
Operation panel condition
Daily
Error or warning is not displayed.
Cover
Cover
Fuses
Summary of Contents for SK-250AT
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Page 45: ...CMN005 002 43 6 3 3 SK 750AT PM ...
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