Page 21In the event that a ONE weight engine requires a field installation or retrofit to include aRange of Motion Limiter (RL), the specific cam for the RL will need to be replaced and all theparts that make up the RL will need to be installed. For a complete part list see CSB #637-8646 on the support site.The frame bearing flange assembly that connects the cams to the frame are the same with orwithout the RL, so they may be reused if not damaged, but are included in the parts list.Instructions use a 250 lb stack for illustration, but the procedure is identical on all ONE en-gines.PROCEDURE1. Disconnect the weight engine from themachine and set asideCaution: weight engines andmachines require 2 people to move.2. Remove side and rear shrouds.Fig. 613. Loosen the two set screws on thebearing flange (yellow).4. Loosen then remove the cam belt boltsand the cam belt (blue).Caution: support cam and axlewhile removingFig. 62RANGE LIMITER INSTALLATION