Yaskawa YASNAC PC NC Maintenance Manual - Manual (Page 14)

Chapter 2: Routine Inspection PC NC Maintenance Manual
2-1
Chapter 2: Routine Inspection
This chapter includes the requirements to maintain optimum operating conditions over
time.
2.1 Routine Inspection
The table below details routine inspection of the PC NC.
* With the exception of inspections made while the NC is in the energized state (i.e., external cleanliness,
vibration, noise, etc.), turn off the source power supply to the NC before undertaking routine maintenance
service. To remove power completely from the NC, turn off the main circuit breaker on the power panel
of the machine.
2.2 Battery
To determine whether the battery must be replaced, and replacement directions,
follow the steps below.
1. Press the Power OFF button.
Table 2.1: Routine Inspection
Area Inspect Item Frequency
System
OFF/ON*
Remarks
Battery Verify battery alarm
LED is on. At power on ON If alarm LED is on, replace battery.
Servo motor Vibration and noise Daily ON Feel by hand; listen by ear.
Motor contamina-
tion and damage Daily (or as
required) ON and OFF Visual inspection
Fan Air flow Monthly ON and OFF Feel by hand; listen by ear.
Touch screen Clean Daily ON and OFF Use clean rag.
Calibrate Monthly ON Use Calibration Screen.
Control panel Verify doors are
tightly closed. Daily OFF Visual inspection
Verify tight fit, no
gaps in the side
plates, and door
gaskets are not
worn. Monthly OFF Visual inspection