User manual CATERPILLAR 7495 BROCHURE

[. . . ] 6 Structures Superior structural design delivers stateof-the-art ride, capacity, and material control while assuring the durability and reliability customers expect from Caterpillar. 7 Push-Pull Arrangement (7495) For maximum production capability, Caterpillar offers an optional push-pull arrangement for the 7495, which allows two push-pull scrapers to act as a selfloading machine. 12 Auger Arrangement Provides self-loading capability with the same wide material appetite as an open bowl machine. 13 Quick loading, high travel speeds and the ability to load and dump on the run yield ® fast cycle times, allowing Caterpillar Wheel Tractor-Scrapers to consistently deliver high productivity. 2 Operator Station Electronic Controls Scraper Bowl ® Convenient control placement and a The electronic controls respond to Caterpillar Scraper bowls are designed comfortable work environment are keys operator commands and input from for excellent material flow and retention to high productivity. [. . . ] · cushion hitch lock down control for positive cutting edge down pressure when loading or spreading controlled oil flow dampens rebound oscillation leveling valve automatically centers piston in cylinder for all loads steel castings are used extensively to eliminate many welded joints and increase strength double-kingbolt design withstands high external forces and simplifies installation and removal 1 2 3 4 5 6 7 8 Load cylinder Hitch castings Scraper gooseneck Nitrogen accumulators Orifice Oil from tractor hydraulic system Leveling valve Free floating pistons · · · 3 2 4 · 4 1 5 7 8 6 8 Nitrogen Accumulators. Vertically mounted hydraulic cylinder transfers road shocks to nitrogen accumulators. Nitrogen accumulators absorb and dampen road shocks, thus reducing the shocks being transmitted to the operator. An operator-selectable lockout switch, located on the joystick, locks the cushion hitch for improved control of the cutting edge during loading and dumping. 7 Operator Station State-of-the-art productivity and operator comfort. Seat Suspension. The new standard seat suspension features a high performance air shock absorber with a self-contained air compressor. For operators requiring additional damping, dual shock absorbers in the seat suspension are available. Increases legroom a full 89 mm (3. 5 in), and reduces knee contact. Standard air conditioning system with relocated louvers enhances airflow in the cab. Convenient storage location includes space for a lunch box and first aid kit. The cab also has a cup holder as well as an ashtray. The redesigned hood has sloped corners to maximize visibility while accommodating the low emissions engine. Electronic controls optimize the timing setting for varying conditions. The ADEM A4 controller matches timing to the load on the engine, engine rpm and temperature. The ADEM A4 controller reads electronic sensors to determine the optimum fuel/air ratio. Fuel is precisely controlled during cranking, starting and acceleration to reduce smoke. The engine electronics are faster and more efficient than mechanically controlling the governor rack position. Simplified System. The electrical system has been redesigned to utilize three electronic control modules (ECM) on the tractor instead of four. The rearpowered scraper now has two ECMs rather than three. ADEM A4 controller monitors air filter restriction. If the restriction exceeds the allowable limit, it alerts the operator by sending a message to the Electronic Monitoring System (EMS III). The ADEM A4 controller activates the ether injection system during engine cranking to enhance cold weather starting. At high altitudes the system automatically de-rates fuel delivery as a function of barometric pressure sensed by the system's atmospheric pressure sensor. 10 Scraper Bowl Designed for optimum loading, material retention and ejection. Caterpillar Ground Engaging Tools (G. E. T. ). [. . . ] Improving operating techniques can boost your profits. Your Cat dealer has videotapes, literature and other ideas to help you increase productivity, and Caterpillar offers certified operator training classes to help maximize the return on your machine investment. Maintenance Services. Talk to your dealer about the range of available maintenance services. Repair option programs guarantee the cost of repairs up front. [. . . ]