Leroy-Somer — Mounting the bearings on the shaft
Repair & overhaul
From a Leroy-Somer service manual — check it applies to your exact model before use.
Before you start
- Do not use a hammer or the seal shield for support.
Procedure
- Lightly lubricate the running surfaces of the shaft.
- Cold state: mount without impact using a spanner, using the internal cage for support.
- Hot state: heat the bearing to between 80 and 100°C in a dryer, oven or on a heating plate.
- A blowtorch or an oil bath must never be used.
- After reassembly, fill all spaces between the seals and labyrinth seals with grease.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Hot state 80 to 100°C
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.