Figure 9-30.-Breaking off an object by side loading theclamshell.Figure 9-28.—Removing buried objects using the clamshell byrolling back the bucket.Figure 9-31.-Clamping an object on only one side of theclamshell.Figure 9-29.—Breaking off an object using the clamshell byback dragging.Balance the load when picking it up to prevent twistingthe boom assembly and linkage. When dumpingawkward loads, dump slowly to reduce the shock ofweight transfer to the rear axle when the bucket isemptied.Improper Uses of the MultipurposeBucketEquipment Operators have created techniques toperform a variety of construction operations usingloaders equipped with the multipurpose (4-in-1) bucket.However, these techniques can cause UNNECES-SARY DAMAGE to multipurpose (4-in-1) buckets bysubjecting them to conditions they were not designedfor. Some of the ways a multipurpose bucket shouldNOT be used are as follows: Do NOT use the rollback as a force to pull stumpsor buried objects from the ground, because this maybend the clamshell (fig. 9-28).Do NOT attempt to break off buried or anchoredobjects with the clamshell by back dragging, becausethis may bend the clamshell (fig. 9-29).Do NOT attempt to break off buried or anchoredobjects by side loading the clamshell, especially whenopened, because this may bend the sides of the clamshell(fig. 9-30).9-12
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