Figure 14-4.-Auger truck.NCF. Notice in figure 14-4 that the drill boom laysdown and that extra auger heads are stored in the unit.This truck can also set or pull poles.OPERATIONSOperating procedures may vary among makes andmodels of earth augers; therefore, be sure to consult themanufacturer’s manual for the specific earth auger youare using.Auger operational techniques under ordinarycircumstances are described below. Figure 14-5 showsthe auger controls and how the auger is positioned usingthese controls.LevelingThe leveling valve lever allows for tilting of theauger shaft to the right or left (fig. 14-5, view A). Usethe leveling spirit level to plumb the auger shaft. Usesupport jacks when operating the auger in hardpan orrocky soil to keep the auger from bouncing.NOTE: Do not depend on the accuracy of theleveling bubble. Use a small builders level to level theauger shaft and machine.Raising and LoweringThe elevating valve lever is used to raise or lowerthe auger shaft for transposing (fig. 14-5, view B).Drilling and RetractingTo drill with the auger, engage the auger clutchlever, increase the engine speed by pulling back on thethrottle lever, and push forward on the feed valve leverto lower the auger into the ground (fig. 14-5, view C).NOTE: Do NOT overspeed the auger. Run theengine at a lower speed until you know the texture of thematerial with which you are working.When the auger is deep enough into the ground andis covered with the cuttings, disengage the auger clutchlever and pull back on the feed valve lever to raise theauger from the hole. After the auger has cleared thehole, engage the auger clutch lever to rotate the auger14-5
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