D 11.2 SERVOPACK
SERVOPACK does not require any daily maintenance.
However, it is advisable to perform the following
maintenance at least once a year.
Table 11.3 Inspection Schedule for SERVOPACK
Inspection Item Frequency Operation Corrective Action
Cleaning of Visually check for dust or oil on parts. Clean with dry cloth or compressed air.
SERVOPACK and board
Check for loose screws of teminals and
Loose screws connectors of 1 CN and 2CN of Retighten.
Every SERVOPACK.
Deterioration of 1 year Visually check for discoloration,
SERVOPACK and/or breakage or disconnection resulting
parts on board from heat, bumping, etc. Contact your YASKAWA representative
D Cooling fan Check if the fan rotates normally.
• Parts Replacement Schedule
The following parts should be replaced periodically
since they may become worn mechanically or
deteriorared with age.
Table 11.4 Parts Replacement Schedule
PartName Interval Remarks
Cooling fan 2 to 3 years Replace with new one.
Smoothing capacitor 7 to 8 years Replace with new one. (Decided after inspection)
Circuit protector or relays -- Upon inspection, decided whether they should be replaced.
Fuse 10years Replacewith new one.
Aluminum electrolytic capacitor on PC board 5 years Replace with new board. Decided after inspection)
Note: Optimum operating environment is as follows:
Ambient temperature : 30 °C on average
Load factor : 80 _ or less
Operating rate : 20 hours or less per day
-75-
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