Leroy-Somer — Dismantling - LSE 80 to LSE 160 MP/LR motors
Repair & overhaul
From a Leroy-Somer service manual — check it applies to your exact model before use.
Before you start
- Take care not to knock the winding
- Do not knock the running surfaces of the shaft
Procedure
- Remove the screws (27) and take off the cover (13).
- Pull out the fan (7) using a hub remover or 2 levers, using the shield (6) for support.
- Remove the tie rods (14).
- Remove the key (21).
- Using a wooden mallet, tap the shaft on the fan side to loosen the drive end shield (5).
- Remove the rotor shaft (3) and DE shield (5), taking care not to knock the winding.
- Remove the fan-side shield (6).
- Take out the preloading washer (59) and the NDE shield seal (54) for LSE 100, 112 and 132 motors.
- Remove the circlip (60) from flanged motors using angled circlip pliers.
- Separate the DE shield from the rotor shaft.
- Use a bearing remover to take out the bearings, taking care not to knock the running surfaces of the shaft.
Tools required
- Hub remover Amazon
- 2 levers/screwdrivers Amazon
- Wooden mallet Amazon
- Angled circlip pliers Amazon
- Bearing remover Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.