Check at site found actual high noise note replace bearing motor. Dismantle motor bring to work shop continue replace bearing motor. Install motor at site test run local motor measure vibration and noise of FS and LS motor result vibration below 2 mm/s and noise motor below 1 gE. Bring spare motor to location but not install because mechanic will replace complete unit note put spare motor inside analyzer L63 2k2 ( AGUS & MUHAIMIN & KARDI CIVACON )