Operation BS 50-4wc_tx000308gb.fm 245. Operation5.1 ApplicationRammers are designed to compact loose soils and gravel to preventsettling and to provide a firm, solid base for the placement of footings,concrete slabs, foundations, and other structures.5.2 Recommended FuelThis engine is certified to operate on automotive unleaded gasoline.Use only fresh, clean gasoline. Gasoline containing water or dirt willdamage fuel system.5.3 Before Starting5.3.1 Read safety instructions at the beginning of this manual.5.3.2 Make sure that the gas tank is full.5.3.3 Check engine oil level.5.3.4 Place rammer on loose soil or gravel. DO NOT start rammer on hardsurfaces such as asphalt or concrete.5.4 To StartSee Graphic: wc_gr001454Note: After transporting the rammer horizontally, upright the rammerand allow the oil to drain back through the engine. It may take up to 2minutes for the oil level to recover.5.4.1 Open fuel valve (e).5.4.2 Turn engine switch to "ON" (d).5.4.3 If the engine is cold, close choke (b1) on the carburetor.Note: Occasionally, warm engines will need to be choked.5.4.4 With throttle in idle position (c2), pull the starter rope (a) until theengine starts.5.4.5 On engines equipped with the low oil shutoff switch, see section LowOil Shutoff Switch for additional information.