Leroy-Somer — Greasing the bearings
Maintenance · Bearings / grease nipples
From a Leroy-Somer service manual — check it applies to your exact model before use.
Before you start
- Too much grease causes bearing overheating.
- Interval between greasings must never exceed 2 years.
Procedure
- Begin by cleaning the waste grease channel.
- Remove covers and clean the grease nipple heads.
- Grease with the motor running so new grease is well distributed.
- If greasing cannot be done running, stop motor and inject only half the nameplate quantity.
- Turn motor a few minutes, then add more grease until quantity is reached.
Tools required
- grease gun Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Grease: EXXON UNIREX N3 (grade 3)
- Quantity per motor nameplate
Source: Leroy-Somer service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.