1. Scope--Although not limited to, these installations are normally used on trucks considered as Medium Duty (Class 6 and 7), as well as Heavy Duty (Class 8).

1.1 Purpose--This SAE Recommended Practice defines vehicle assembly plant clutch installation procedures, adjustment criteria, and clutch-release linkage performance parameters required to obtain optimum clutch operation and to promote standardization for pull type single- and twin-plate truck clutches.