— 9-3 —
B
B
3
3
t
t
y
y
p
p
e
e
B
B
5
5
t
t
y
y
p
p
e
e
2
2
3
3
t
t
y
y
p
p
e
e
2
2
5
5
t
t
y
y
p
p
e
e
9.3. Periodical Replacement of Parts
9.3.1. Motor
9.3. Periodical Replacement of Parts
9.3.1. Motor
l
There is no part that requires periodical replacement.
l
Refer to “9.2. Maintenance Check.”
9.3.2. Driver Unit
l
Electrolytic condenser
à
The gradual chemical change of electrolytic condensers will deteriorate the System
function and may result in the System failure.
Table 9-3
Parts
Function
Life
How to replace
Electrolytic condenser
Equalize power voltage
10 years
Replace *PCB.
Replace whole unit.
*PCB: Printed circuit board
l
Life of the electrolytic condenser relies on the operating conditions. The ten years of life is rough
estimation under continuous operation in normal room environment.
9.4. Storing
l
Store the Motors and the Driver Units in clean and dry indoor condition.
l
The Driver Units have a lot of ventilation openings. They should be covered properly to protect
from dust.
Table 9-4
Storing condition
Remarks
Temperature
- 20°C to + 70°C
–
Humidity
20 to 80%
No condensation
