Overhaul & Maintenance Procedures    Activity Environment Clean, Dry Moderate Dirty, Wet General Inspection Environment - Cleaniness - Lubrication - Belts - Couplings 6-12 Months 3-6 Months 1-3 Months Testing Electrical Integrity - Volts/Amps - Temperature - Vibration 12-18 Months 8-12 Months 3-8 Months Lubrication Oil Grease 6 mos. 12 mos. 3 mos. 6-12 mos. Monthly 3-6 mos. Bench Inspection Disassemble - Inspect - Repair - Reassemble - Check 6-12 Months 3-6 Months 1-3 Months Motors with brushes, slip rings or commutators: Check brushholders, commutators, rings and brushes 6-12 Months 3-6 Months 1-3 Months     Table 1: Approximate frequency of motor O&M procedures (Source: Fuchs)           Copyright © 2019 Samturaga Power Sdn Bhd. All rights reserved.