TM5-3810-305-10Never use a work platform ifinspection indicates a structuralor mechanical fault of any kind.Failure to follow this procedurecould cause DEATH or seriousinjury.a. Inspection: A complete inspection of theLRT 110 Crane and the work platformmust be performed prior to any operation.Inspection is to be performed daily or eachtime the operator is replaced or the LRT110 Crane is converted from material topersonnel handling.Inspection must include the boom and allmechanical and rigging equipment vital tothe safety of work platform operation.Before a work platform suspended from aload line may be used, the followingadditional inspections must be performed:Inspection of hook and wire rope.Daily inspection of load line.The anti-two block device must becalibrated to sound a warning anddeactivate the control function bringingabout the two-blocking conditionwhenever the hook block assembly,platform or fall ball assembly is lessthan 3 ft (914 mm) from the boom tip.Inspect hook latches on fall ballassemblies and sheave block assembliesmaking certain they close and lock,eliminating hook throat openings andare full-load bearing hook latches withlllmanual trigger releases. As analternative, shackles with bolts, nutsand retaining pins may be used.Inspect wire rope ends making certainthey are properly anchored to boom,fall ball, hook blocks and drums (referto page 2-3).With the boom at maximum elevationand the work platform on the ground orat its lowest operational level, inspectthe hoist drum making certain at leastthree wraps of wire rope remain.Make certain the minimum safetyfactors for wire rope are adhered to atall times.Use 7:1 as the minimum safety factor formanufacturer’s specified wire rope and10:1 as the minimum safety factor forrotation resistant rope for the combinedweight of lifting attachments, platform,personnel and tools.b.No personnel are permitted onthe work platform during theperformance of any test. Do notallow personnel on work plat-form if any test procedure indi-cates a malfunction in equip-ment. Failure to follow thisprocedure could result inDEATH or serious injury.Testing: The following daily test proce-dures are to be performed on the LRT 110Crane and the work platform whenever theoperator changes or a significant change inlifting conditions occurs.1-44
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