This SAE Standard applies to horizontal earthboring machines (SAE J2022) of the following types: a. auger boring machines; b. rod pushers; c. rotary rod machines; d. impact machines; and e. directional boring/drilling machines. This document does not apply to specialized mining machines, conveyors, tunnel boring machines, pipe jacking systems, micro tunnelers, or well drilling machines. This document is a guide for providing a reasonable degree of personal safety for the operators and others during normal operation and maintenance of horizontal earthboring machines.