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Home›Repair guides›Leroy-Somer›Dismantling LS 56 to LS 160 MP/LR motors

Leroy-Somer — Dismantling LS 56 to LS 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 or the running surfaces of the shaft.

Procedure

  1. Remove the screws (27) and take off the cover (13).
  2. Pull out the fan (7) using a hub remover or 2 levers.
  3. Remove the tie rods (14) and the key (21).
  4. Tap the shaft on the fan side with a wooden mallet to loosen the drive end shield (5).
  5. Remove the rotor shaft (3) and DE shield (5), taking care not to knock the winding.
  6. Remove the shield on the fan side (6).
  7. Take out the preloading washer (59) and the NDE shield seal (54).
  8. Remove the circlip (60) from flanged motors.
  9. Separate the DE shield from the rotor shaft and remove the bearings with a bearing remover.

Tools required

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.

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