Aggregates Manager Digital Magazine
Issue link: https://read.dmtmag.com/i/103664
EQUIPMENT MANAGEMENT rporated rs have inco oling system. anufacture Many m ean the co ns to help cl reversible fa agers should be sure to use an engine CEGR pre-cleaner to protect the engine with a diesel oxidacooling group. Many manufacturers tion catalyst (DOC) and a diesel parhave also incorporated variableticulate filter (DPF) must use American speed reversible fans to help clean Petroleum Institute (API)-rated CJ-4 oil the cooling system. "If you don't use (sometimes referred to as low-ash oil) it (reversible fan) in dusty condito help reduce the amount of particulate tions, somebody in the maintenance matter in the DPF. Also, since sulfur is a department is going to be working significant contributor to diesel exhaust on the cooling group more than pollutants, the catalyst system used with they need to," Ellis says. iT4 engines is dependent on ultra-low sulfur diesel (ULSD). It has significantly less sulfur compared to prior diesel fuels Finally, no amount of recommen(15 ppm versus 500 ppm). dations will be successful if fleet managers, service technicians, or operators aren't educated on current Ellis points out that dust may be a maintenance methods and promaintenance factor in some smaller agcedures. Ellis says, if you're going gregate quarries. He recommends two to do a majority of wheel loader additional preventive measures in these maintenance yourself, you should environments. Fleet maintenance manat least obtain maintenance training and assistance from your equipment dealer on proper techniques. The good health of a wheel loader from the ground up depends greatly on individuals dedicated to safety and productivity. Take advantage of your manufacturer's recommendations, your dealer's training, and other industry sources to maintain your machine's optimum performance. AM Following recommended maintenance intervals for fluids and filters, and advanced iT4 engine Debbie McClung is a technical enhancements and/or after-treatment systems, writer working for Doosan Infracore are key elements to wheel loader engine compartment maintenance. Construction Equipment. Proper training Cooling system 5 Checks from the Ground Up 1. Follow all guidelines in the manufacturer's maintenance manual. 2. Ground level: • Ground-engaging tools, attachment pins • Lift arms • Cylinders, hoses • Undercarriage, axles • Tires • Fuel • Grease • Lights 3. Engine compartment: • Fluids, oils, filters, cooling system • Advanced fluids (iT4 engines) • Hoses, belts • Radiator 4. Exterior cab: • Entry/exit handholds • ROPS • Windshield, windows, wipers, washer level • Doors 5. Interior cab: • Seat adjustments, seat belts • Brakes • Steering mechanisms • Horn, rear-view camera, mirrors • Gauges, indicators, switches, controls • Cab air filter AGGREGATES MANAGER January 2013 33