04-19-84 Zoning Board of Adjustment Meeting

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t • systems. They become expert on the standard equipment, and can quick- ly spot and fix problems. Finally, parts inventory can be kept lower and be more easily controlled. Mack tractors have full Mack drive trains, including 675 or 676 engines, ' five-speed transmissions, and Mack rear axles. The Interna- tionals are primarily powered by Detroit Diesel 6V92 engines. Several 8V-71 Detroits are still in service. The Internationals have Fuller transmissions and Rockwell rears. Specifications for the Interna- tionals added last year called for a 196-inch wheelbase model IH4270 tractor with a 6V92TTA DDA engine set for 270 hp at 1,900 rpm, Fuller RT-9508 eight-speed trans- mission and Rockwell SQHP 38,000 pound drive tandem. Final drive ratio is 4.11:1. Lightweight Components Aluminum is used throughout the tractor, including on the 54-inch front bumper, center steer front ax- le, flywheel housing, differential carrier, and rear hubs. Two 60-gallon aluminum step tanks, con- nected by a hvo-inch crossover line for simultaneous fueling, are mounted far forward under the aluminum cab. Rockwell aluminum rear hubs and Alcoa aluminum disc front and rear wheels were specified. The tractors have 11R24.5 l~iichelin tubeless Pilote tires front and rear. Assistant maintenance director Tom Johnson says the Pilotes are giving high mileage from the original tread, and also contribute to weight savings. r ~~~~ ~ ~~ A seven bay shop behind Jackson headquarters is used to per- form trailer repair and retrofitting. Trailers picked up during Miller acquisition of other companies are fitted to Miller's standards. The tractors have dual service air brakes with Kelsey-Hayes antilock on rear axles, 15-inch xfour-inch S Cam front brakes, and Eaton single anchor pin rear brakes. Anchorlok parking brakes are also specified. Other specifications include Reyco #102 suspension, Bendix fan clutch, ASF fifth~vheel mounted 15 inches ahead of the center tandem and 51 inches high, and CR Scotseal wheel oil seals on front and rear. Trailer Specifications With such a large and diversified trailer fleet, Miller Transporters operates equipment from several manufacturers. All trailers are built to Miller specifications. Most recent Assistant maintenance director Tom Johnson shows Miller•developed field ser- vicemaintenance manual like those found in each terminal garage. Regular bulletins keep all shops current on new equipment, problems, and service efficiency techni- ques. Manual pages are laminated. trailers added to the fleet are MC-307 stainless steel units with 450 degree F temperature ratings. The single compartment, double conical trailers have 6,900-gallon shell full capacity. Inner shell material is 316E stainless steel, 10 gauge, with 2B finish. Jacket material is 304 stainless steel, 22 gauge. Stainless steel outer rings, bolsters, and subframes are used. Five-inch insulation compressed to four inches, and a heat panel built into the belly of the vessel help main- tain critical product temperature. The trailers are set up for side or rear unloading. A "U" adapter with two female quick couplings is con- nected for side unloading. Loads can be pumped off, blown off, or gravity unloaded. Betts product valves and Girard pressure vacuum relief pro- tection equipment are standard. The trailers have Reyco suspen- sions with monoleaf springs with in- verted U-bolts, Eaton axles and single anchor pin brakes, and out- board mounted centrifuse Motor Wheel brake drums. Alcoa aluminum disc wheels and Michelin Pilote XA tires were specified on recently added MC-307 trailers. Tight Maintenance Nowhere is Miller Transporters' commitment to operations more evi- dent than in its maintenance and repair operation, which is directed by Bill Netherton and his assistant Tom Johnson. The maintenance pro- gram emphasizes regular servicing of equipment at the terminal locations. Preventive maintenance inspec- tions for the Internationals are Tight operations require well maintained equipment. All Miller Transporters' maintenance and repair is performed in•house. A major PM is performed at 20,000 miles on tractors and trailers.