To meet the screen out element, applicants should document experience or show the ability to do the following: troubleshoot, maintain and repair heavy mobile equipment to include performance of preventative maintenance checks and services; repair, replace, install, or make adjustments to mobile equipment components and parts; and conduct various operational tests to perform final inspection. Remove and repair major systems or components of equipment to include power packs, transmissions, transfers, gear reduction units, injector pumps, air conditioners, fuel pumps and alternators.