User manual ZENOAH KOMATSU PC78US-8 BROCHURE

[. . . ] · Easy access to engine oil filter, engine main fuel filter and fuel drain valve · Equipped with the fuel pre-filter (with water separator) · Equipped with the Equipment Management Monitoring System (EMMS) monitoring system. See page 8. Safety Features · Cab dedicated to hydraulic excavator for protecting the operator in the event of a roll over accident. · Safety enhancement with large sideview and rear-view mirrors. See page 7. 2 3 Photo may include optional equipment. PC78US-8 C O M P A C T H Y D R A U L I C E X C A V A T O R COMPACT HYDRAULIC EXCAVATOR PC78US-8 PRODUCTIVITY & ECOLOGY FEATURES Komatsu Technology Seven-inch TFT liquid crystal display Advantage even in Confined Job Site Tight Tail Swing Hydraulic system controller Two Automatic Travel Speeds High or low­whichever speed suits the ground and job conditions­can be selected with one touch. [. . . ] The seat belt keeps the operator in the seat of the cab in the event of a roll over. Wide Visibility Large cab and extended front glass enable operator to get better visibility. Lock Lever When lock lever is placed in lock position all Photo : Rigid seat Retractable Seat Belt Easy-to-use retractable seat belt is employed. hydraulic controls (travel, swing, boom, arm, bucket and blade) are inoperable. Lever shown in lock position Multi-position Controls The multi-position, PPC (pressure proportional control) levers allow the operator to work in comfort while maintaining precise control. A double-slide mechanism allows the seat and controllers to move together or independently, allowing the operator to position the seat and controllers for maximum productivity and comfort. Large Cab Large cab provides ample operation space. The cab has wide doorway for easy access. Automatic Air Conditioner Automatic air conditioner is utilized. The bi-level control function keeps the operator's head and feet cool and warm respectively. This improved air flow function keeps the inside of the cab comfortable throughout the year. Defroster function keeps cab glass clear. Emergency Escape Hammer The cab is equipped with an emergency escape hammer for Thermal and Fan Guards Thermal and fan guards are placed around high-temperature parts of the engine and fan drive. Side-view and Rear-view Mirrors Large side mirror and rear mirror allow the PC78US-8 to meet the new ISO visibility requirements. breaking the rear window glass in case of an emergency. Skylight Skylight with window can be opened for overhead visibility. Low Cab Noise Cab is highly rigid and has excellent sound absorption ability. Thorough improvement of noise source reduction and use of low noise engine, hydraulic equipment, and air conditioner allows this machine to generate a low level of noise. Photo : Rigid seat Sliding Convex Door The sliding convex door facilitates easy entrance in confined areas. Travel Alarm Pump/engine Room Partition Pump/engine room partition prevents oil from spraying onto the engine if a hydraulic hose should burst. An alarm is installed as standard equipment to give other workers a warning when the machine travels in forward or reverse. 7 6 PC78US-8 C O M P A C T H Y D R A U L I C E X C A V A T O R COMPACT HYDRAULIC EXCAVATOR PC78US-8 MAINTENANCE FEATURES Easy Maintenance Komatsu designed the PC78US-8 to have easy service access. By doing so, routine maintenance and servicing are less likely to be skipped, which can mean a reduction in costly downtime later on. Here are some of the many service features found on the PC78US-8. 1 2 3 Large TFT LCD Monitor Large Multi-lingual LCD Monitor A large user-friendly color monitor enables safe, accurate and smooth work. Improved screen visibility is achieved by the use of TFT liquid crystal display that can easily be read at various angles and lighting conditions. Industry first function keys facilitate multi-function operations. Displays data in 12 languages to globally support operators around the world. Indicators 1 Auto-decelerator Working mode Travel speed Engine water temperature gauge Hydraulic oil temperature gauge Fuel gauge Eco-gauge Function switches menu EMMS (Equipment Management Monitoring System) Monitor function Controller monitors engine oil pressure, coolant temperature and battery charge etc. If controller finds any abnormality, it is displayed on the LCD. Optimum Maintenance Layout With the engine hood, right side hood and side service doors, it is possible to access the major maintenance points from ground level. Turbocharged, and air-to-air aftercooled Number of cylinders . 95 mm x 115 mm 3. 74" x 4. 53" Piston displacement. All-speed control, electronic Horsepower SAE J1995 . [. . . ] 2 x piston motor with parking brake Swing . 1 x piston motor with swing holding brake Relief valve setting: Implement, travel circuit . 21. 1 MPa 270 kgf/cm2 210 kgf/cm2 130 kgf/cm2 215 kgf/cm2 3, 840 psi 2, 990 psi 1, 850 psi 3, 060 psi A B C D E F G H I ISO A B 4 3 2 1 G. L 0 1 245 9. 6" 380 1'3" Fuel tank . gal OPERATING WEIGHT (APPROXIMATE) 1750 mm 5'9" 61. 3 kN 6250 kgf 13, 780 lbf 41. 5 kN 4230 kgf 9, 330 lbf 53. 3 kN 5440 kgf 11, 990 lbf 38. 1 kN 3890 kgf 8, 570 lbf 2050 mm 6'9" 61. 3 kN 6250 kgf 13, 780 lbf 34. 5 kN 3520 kgf 7, 760 lbf 53. 3 kN 5440 kgf 11, 990 lbf 33. 1 kN 3380 kgf 7, 450 lbf D CE 2 3 4 5 8 (m) 7 6 5 4 H 3 2 2440(8') 1 0 G F Operating weight including 3710 mm 12'2" one-piece boom, 1650 mm 5'5" arm, SAE heaped 0. 28 m3 0. 37 yd3 backhoe bucket, blade, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment. [. . . ]