Leroy-Somer — Dismantling the motor (standard, HV1, HV2 and CPLS 132 HV3)
Repair & overhaul · Motor assembly
From a Leroy-Somer service manual — check it applies to your exact model before use.
Before you start
- Always use an extractor to remove devices mounted on the shaft extension.
- Take care not to damage the winding.
Procedure
- Switch off and lock power supply, open terminal box, identify wires and disconnect.
- Uncouple motor and remove encoder (disconnect and loosen driving ring).
- Remove forced ventilation unit by undoing the 4 base screws.
- Mark stator cable positions, disconnect stator cables, remove terminal plate and terminal box.
- Remove key, unscrew end shield nuts and inner bearing retainer screws.
- Remove shields with a bronze drift, supporting them with a lifting system.
- Recover preloading and spacer washers (note DE/NDE positions).
- Remove circlip/bush ring if necessary, remove rotor from stator.
- Pull out bearings with a bearing remover, protecting the shaft end.
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.