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A new height in boom design.

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Genie Industries has redesigned its S-80 and S-85 self-propelled telescopic booms. The upgraded booms integrate enhancements completed on Genie's S-60 and S-65 models such as fixed-width axles, increased elevation time and a virtual pivoting boom, all of which the company said is part of an initiative to put a stronger focus on ease of use.

"The new design of the S-80 and S-85 was adapted from our S-60 and S-65 telescopic booms," said Phil Harvey, booms product manager for Genie Industries. "We're convinced that operators will experience greater ease of use and owners will appreciate the enhanced serviceability features, which ultimately maximize uptime and minimize cost of ownership."

The S-80 and S-85 booms have 86 and 91 ft. working heights, 71.5 and 76.5 ft. horizontal reaches and 500 lb. lift capacities with the option of 750 lb. on the S-80 model. Genie is marketing the booms to the construction and industrial arena and has seen a growing interest in mining and oil and gas applications, such as the tar sands in Canada.

Both machines are offered with either a four-cylinder Deutz TD2011 L04i turbocharged diesel engine rated 74 hp or a four-cylinder Perkins 804D-33 diesel engine rated 63 hp. A dual-fuel offering can be equipped on the booms with the four-cylinder Continental TME26 gasoline/LPG engine rated 74 hp. When powered by the Continental engine, a catalytic converter muffler, engine block heater, 30 gal. gasoline tank and 35 lb. LPG tank are also included. The diesel engines feature an API radiator/oil cooler, Cummins Filtration air cleaner and 35 gal. fuel tank.

The drive system on the S-80 and S-85 booms is hydrostatic, incorporating Sauer-Danfoss hydraulic pumps and two-speed wheel motors. The machines can be specified as two-wheel or four-wheel drive with Fairfield planetary gears.

New fixed-width axles have been added to the S-80 and S-85 machines, giving the booms an 8.16 ft. total width. This allows the booms to be transported without a permit on a standard trailer, Genie said, and eliminates the extendable axle design previously used on the machines. The fixed-axle assembly also allows the booms to drive off the trailer ready to operate, saving on setup time. According to the company, additional benefits to the fixed-axle design include greater durability and lower maintenance, as fewer components and moving parts are now used.

Hydraulic flow for the boom and swing functions of the S-80 and S-85 is directed through Sauer-Danfoss valving. The booms' rotation is powered by a Parker swing motor. Hydraulic lines in the circuit have primarily been replaced with hard lines for longer life and lower maintenance, Genie said. The hard assembly comes pre-bent, reducing installation and installation errors.

A new virtual pivot boom has also been integrated into the S-80 and S-85 booms. The new pivot placement keeps the weight of the boom over the chassis' center of gravity during elevation. With this design, an additional counterweight is not necessary, allowing the boom to lift more and keep overall operating weight of the machines down to 35,400 to 38,000 lb., depending on model and configuration.

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The boom on the S-80 and S-85 models was upgraded to a single-cylinder and sequencing cable operation. According to Genie, this is a lighter weight and lower-maintenance system. The new boom design also has reduced elevation cycle time down to 68 seconds from fully stowed to fully elevated, said Genie.

The S-80 and S-85 booms can each be equipped with a 4, 5, 6 or 8 ft. steel self-leveling platform. Fully proportional Hall effect joystick controls operate the machines. An hour-meter, tilt alarm, descent alarm and a switch operation between dual fuels are provided.

Genie offers accessories on the S-80 and S-85 booms including a Lincoln Arc Pro 275 heavy-duty welder package, hostile environment kits, aircraft protection packages, working lights, second battery and tow package. A Fabco hydraulic generator package can be specified as well as cold weather and arctic packages, DCL diesel scrubber/spark arrestor muffler and an additional LPG tank. The booms are produced in Moses Lake, Wash.

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Title Annotation:LIFT EQUIPMENT; Genie Industries
Publication:Diesel Progress North American Edition
Date:Jan 1, 2009
Words:685
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