MAINTENANCE AND INSPECTION
Guide for daily maintenance and inspection (Maintenance and inspection by user)
Management of maintenance and inspection of medical equipment should be implemented by the user (medical
institution). In case the user does not implement such management, it is permitted that such management is
outsourced to a qualified entity such as a medical equipment repair company.
For safe use of this product, it is necessary that inspection should be conducted in the specified frequency on
the items described below.
Air turbine/air motor revolution,
water flow, air flow and so forth
shall be free of abnormality.
[Reference]
0.36MPa pressure in table
Turbine more than 300,000rpm
0.34MPa pressure in table
Air motor more than 20,000rpm
Setting and Performance will be
difference according to the type of
handpiece. Refer to the instruction
manual attached to individual
handpiece.
The reading at the pressure gauge
will be higher than the actual pressure
at the handpiece, due to line loss. To
attain the desired handpiece
pressure setting, adjust the drive air
until the gauge pressure shows
0.08MPa above target pressure.
Turbine : 0.08MPa
Air Motor : 0.09MPa
No. Item Frequency Inspection method
and diagnosis
Influence if inspection
not conducted
Maintenance required in case
of nonconformity
Check
of safety
functions
Before
start
Before
start
Before
start
Unexpected personal
injury and troubles may
arise due to motion of
the chair during medical
treatment and due to
pinching between
doctor section and chair.
Contact your dealer or our
office if any abnormality arises.
Check for
leakage of
water, air
and oil
Leakage of water, air and
oil shall not be observed
around the product.
The product will not
normally work, and
troubles may arise.
Contact your dealer or our office
if any abnormality arises.
Check of
motions of
turbine/air
motor
Troubles such as injury
in patient's oral cavity
and equipment failure
may arise.
Control the water flow in accor-
dance with "Control of compo-
nents" described in the instruction
manual. If any other abnormality
arises, refer to the instruction
manual attached to individual
equipment.
Contact your dealer or our office if
recovery is not achieved.
Check of
handpiece
light
Make sure the chair
movement stops by any of
the following actions.
when foot controller pedal
is depressed.
During chair auto movement,
depress of any operation
switches for the chair.
1
2
Check of
water
pressure
and air
pressure
Check the water pressure
and air pressure by reading
pressure gauges in the
U-Box section.
Basic set pressure :
Water: 0.1 to 0.2 MPa
Air: 0.45 to 0.5 MPa
The product will not
normally work, and
troubles may arise.
Contact your dealer or our office
if the set pressure is abnormally
high or low.
Before
start
Check of
conditions
of table
section
The table shall be free of
inclination, and shall not
drift of the table.
Injury caused by falling
of goods located on the
table and other troubles
may arise.
Contact your dealer or our
office if any abnormality arises.
Before
start
1
2
3
4
Check of
dental size
viewer
Check of
panorama
size viewer
Before
start
Before
start
Contact your dealer or our office
if any abnormality arises.
Contact your dealer or our office
if any abnormality arises.
Viewer doesn’t function.
Viewer doesn’t function.
Check the light turn ON and
OFF.
The light shall not blinking
continuously.
Check the light turn ON -
OFF and dimmer is adjust-
able.
The light shall not blinking
continuously.
5
6
7
8
9
Check of
operation
switch
The product operation switch
is functions correctly.
*Refer the operating instruc-
tion for switch operating.
Product failure and
troubles may arise.
Contact your dealer or our office
if any abnormality arises.
Before
start
Before
start
Replace lamp accordance with the
instruction manual attached to
individual handpiece.
Contact your dealer or our office if
there is no improvement in symp-
toms after replaced lamp.
The handpiece light shall be
on when taken from holder
or press the drive pedal of
foot controller.
Handpiece light will not
light up.
3
9
Summary of Contents for CREDIA G1
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