Title: Instructions manual - THGT fan.pdf
Prepare to remove impeller, either support impeller weight if small, or use centering boss to extend motor shaft if large impeller, to assist removal. Version 1, Fig 5, Fig 6, or release Taper lock Version 2. Version 1: engage extractor to impeller hub and remove onto centering boss. Version 2: loosen locking screws and insert into threaded unlock / push off holes and tighten in sequence to release taper lock. Refer Annex 6 for more detail.Fig 78.3.5. Impeller is withdrawn, without damage, from motor shaft.Fig 8.Place impeller in safe location. Fig 9.8.3.6. Ensure existing position of motor feet are identified and any spacing / shim material under feet, so that new motor can be