CHAPTER 7 MAINTENANCE AND INSPECTION

7.6 Approximate Replacement Timing

The approximate replacement timings of parts for the following operating conditions are shown below.

However, note that the timing varies according to the operation method, environmental conditions and

so on. For the replacement method, contact us.

[Operating conditions]

Ambient temperature:

Load factor:

Operation rate:

Annual average 30°C

Within 80%

Within 20 hours/day

 Servomotor

Part name

Standard service life

Method

Bearing

20,000 to 30,000 hours Send the product back

Oil seal

5,000 hours

to us for repair.

7

 Servo amplifier

Part name

Standard service life

Method

Capacitors of main circuit

73,000 hours

Aluminum electrolytic capacitors

of printed circuit board

Cooling fan

73,000 hours

73,000 hours

Send the product back

to us for repair.

Fuse

73,000 hours

Battery for absolute system

35,000 hours *1 Replace with a new part.

*1 Cumulative operation hours without tuning the power on

Approximate Replacement Timing 7-19