Unit to be manufactured in an ISO 9000:2000 certified facility BOOM Total boom length to be 20'. Boom may be extendable to 20 feet. Minimum lift capacity to be 3,000 lbs. @ 18', including grapple. Boom pedestal to be constructed of high strength steel providing a 3:1 safety factor. All hydraulic hoses located at the operator position (boom pedestal) must be enclosed in the pedestal base. Access provided by an easily removable steel cover. Boom pivot shall be mounted to the pedestal by means of a slewing ring/bearing that has a minimum capacity of 513,000 lbs. static load and 186,000 ft-lbs. moment. Slewing ring shall be 3 1/2" thick and have an O.D. of 25 3/4". Boom pivot shall be constructed with a 9" O.D. safety retaining tube. The boom pivot safety retaining tube shall be a minimum of 12" long and confine all hoses that pass through the pedestal/boom pivot assembly. Boom rotation of 320 degrees minimum with mechanical stops for safety. Stops between 320 degrees and 350 degrees. Boom must be able to service both sides of street in same pass. Boom rotation shall be accomplished by a direct hydraulic swing drive through a slewing (bearing) ring and planetary gear box producing 250,000 in-lbs. torque...
