9.1 Servodrive Inspection and Maintenance
9 -3
9.1.2
Servopack Inspection
For inspection and maintenance of the Servopack, follow the inspection procedures in the fol-
lowing table at least once every year. Other routine inspections are not required.
Table 9.2
Servopack Inspections
Item
Frequency
Procedure
Comments
Clean Interior
and Circuit
Boards
At least once a
year
Check for dust, dirt, and oil
on the surfaces.
Clean with compressed air.
Loose Screws
At least once a
year
Check for loose terminal
block and connector screws.
Tighten any loose screws.
Defective Parts
in Unit or on
Circuit Boards
At least once a
year
Check for discoloration,
damage or discontinuities
due to heating.
Contact your Yaskawa rep-
resentative.
J
J
Part Replacement Schedule
The following parts are subject to mechanical wear or deterioration over time. To avoid failure,
replace these parts at the frequency indicated.
The user constants of any Servopacks overhauled by Yaskawa are reset to the standard settings
before shipping. Be sure to confirm that the user constants are properly set before starting opera-
tion.
Table 9.3
Periodical Part Replacement
Part
Standard
Replacement
Period
Replacement Method
Cooling Fan
4 to 5 years
Replace with new part.
Smoothing
Capacitor
7 to 8 years
Test. Replace with new part if necessary.
Relays
--
Test. Replace if necessary.
Fuse
10 years
Replace with new part.
Aluminum
Electrolytic
Capacitor on Circuit
Board
5 years
Test. Replace with new circuit board if necessary.
Operating Conditions:
D
Ambient Temperature: Annual average of 30
°
C
D
Load Factor: 80% max.
D
Operation Rate: 20 hours/day max.
9
AUDIN - 7 bis rue de Tinqueux - 51100 Reims - France - Tel : 03.26.04.20.21 - Fax : 03.26.04.28.20 - Web : http: www.audin.fr - Email : info@audin.fr
