Clean up area motor and filter motor. Measure vibration-noise-temperature FS and LS motor continue add grease motor 25 times and 30 times for FS and LS make vibration below  4 mm/s-noise below 2 gE. Check at ER4 and ER5 for RPM-Voltage-Ampere-Temperature motor and fill in at check sheet form ( MUHAIMIN & DADANG )