Cleaning area motor and filter motor. Measure vibration-noise-temperature of FS and LS motor. Add grease motor 25 times-30 times of FS and LS. Check at ER5 and ER4 for RPM-Voltage-Ampere-kW-Temperature motor fill in at check sheet form. Add grease motor for FS and LS for 473 FAA measure noise motor below 2 gE also add grease motor for 473 FA4-FA5-FA6 for FS and LS measure vibration-noise of FS and LS result vibration below 4 mm/s and noise below 2 gE ( AGUS & DADANG )