Pit & Quarry, June 2014
Extended side conveyor increases stockpile capacity Powerscreens Premiertrak 300 jaw crusher was developed with the option of a vibrating grizzly feeder or an independent hydraulically driven pre screen which improves fines removal and reduces chamber wear costs for the customer Engine load controls both options to maintain throughput To coincide with the independent pre screen feature an optional hydraulically folding extended side conveyor with a stockpile height of 10 ft 2 in was added to the machine to improve stockpile capacity A bypass chute design incorporates a flap gate that allows operators to switch between using the side conveyor and sending material to the main belt without the need to fit a blanking mat on the bottom screen deck The hopper design incorporates a complete hydraulic fold and lock system that removes the need for manual wedges www powerscreen com SPECIAL SECTION CRUSHING SECONDARY BREAKING Simply Reliable Always Has Been Always Will Be A McLanahan Company 129 East Holcomb Avenue Des Moines IA 50313 USA 1 515 243 1123 eiwllc com Fine Material Screw Washers Sand Classifying Tanks Coarse Material Screw Washers Log Washers Portable Plants Road Based Mixers www pitandquarry com June 2014 PIT QUARRY 47
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