Many customers request a capital and operating spare parts list when a new rack and pinion elevator is purchased.  Creating a spare parts list for older equipment can also be a productive exercise. The decision becomes the cost of inventorying a part for extended periods of time versus having spare parts readily available at the time of need.  A useful calculator to determine if you should keep parts in inventory or wait until failure is located at http://world-class-manufacturing.com/spare/spare.html.  Our team can help you determine the critical and high use parts which are essential for your elevator.