User manual ZENOAH KOMATSU PC450LC-8 BROCHURE

[. . . ] This engine meets EPA Tier 3 and EU Stage 3A emission regulations, without sacrificing power or machine productivity. · Low operation noise See pages 4 and 5. Large Comfortable Cab · Low-noise cab · Low vibration with cab damper mounting · Highly pressurized cab with optional air conditioner · Operator seat and console with armrest that enables operations in the appropriate operational posture. See page 6. Excellent Machine Stability Large counterweight offers superior machine stability and balance. Heavy-duty Arm Large Digging Force Pressing the Power Max function button temporarily increases the digging force 7%. Easy Maintenance · Long replacement interval of engine oil, engine oil filter, hydraulic oil and hydraulic filter. · Equipped with fuel pre-filter as standard (with water separator) · Side-by-side radiator and oil cooler configuration enables independent removal and installation of those two components. [. . . ] In the arm out function, a portion of the oil is returned directly to the tank providing smooth operation. Return hoses Environment-friendly Clean Engine The PC450-8 gets its exceptional power and work capacity from a Komatsu SAA6D125E-5 engine. Output is 257 kW 345 HP, providing increased hydraulic power and improved fuel efficiency. Komatsu SAA6D125E-5 engine meets EPA Tier 3 and EU Stage 3A emission regulations with NOx emission reduced by 40%. The SAA6D125E-5 engine adopts the electronically controlled Heavy Duty HPCR* fuel injection system and cooled EGR system with electronically controlled bypassassist type venturi. *HPCR : High Pressure Common Rail Idling Caution To prevent unnecessary fuel consumption, an idling caution is displayed on the monitor, if the engine idles for 5 minutes or more. Two-mode Setting for Boom Smooth mode provides easy operation for gathering blasted rock or scraping down operation. When maximum digging force is needed, switch to Power mode for more effective excavating. Smooth mode Power mode Low Operation Noise Enables a low noise operation using the low-noise engine and methods to cut noise at source. Ambient noise meets the EU Stage 2 noise regulation. Excellent Machine Stability Large counterweight offers superior machine stability and balance. Boom floats upward, reducing lifting of machine front. This facilitates gathering blasted rock and scraping down operations. Boom pushing force is increased, ditch digging and box digging operation on hard ground are improved. 4 5 PC450-8 H Y D R A U L I C E X C AVAT O R HYDRAULIC EXCAVATOR PC450-8 0 WORKING ENVIRONMENT Safety Features Cab Dedicated to Hydraulic Excavator The cab is designed specifically for hydraulic excavators and gains reinforced strength from the pipe-structured cab framework. The cab framework provides the high durability and impact resistance with very high impact absorbency. The seat belt keeps the operator in the seat of the cab during a roll over. Lock Lever Locks the hydraulic pressure to prevent unintentional movement. Neutral start function allows machine to be started only in lock position. Pump/Engine Room Partition Pump/engine room partition prevents oil from spraying onto the engine if a hydraulic hose should fail. Low Cab Noise The newly-designed 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. Wide Newly-designed Cab Newly-designed wide spacious cab includes seat with reclining backrest. The seat height and longitudinal inclination are easily adjusted using a pullup lever. You can set the appropriate operational posture of armrest together with the console. Reclining the seat further enables you to place it into the fully flat state with the headrest attached. Automatic Air Conditioner (optional) Enables you to easily and precisely set cab atmosphere with the instruments on the large LCD. 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 front glass clear. Thermal and Fan Guards Thermal and fan guards are placed around hightemperature parts of the engine and fan drive. Low Vibration with Cab Damper Mounting PC450-8 uses viscous damper mounting for cab that incorporates longer stroke and the addition of a spring. The new cab damper mounting combined with high rigidity deck aids vibration reduction at operator seat. Anti-slip Plates Highly durable anti-slip plates maintain superior traction performance for the long term. Large Serrated Steps Large Handrail Rubber Spring Silicon Oil Pressurized Cab Optional air conditioner, air filter and a higher internal air pressure (+9. 0 mm Aq +0. 35"Aq) prevent external dust from entering the cab. 6 7 PC450-8 H Y D R A U L I C E X C AVAT O R HYDRAULIC EXCAVATOR PC450-8 0 MAINTENANCE FEATURES Large LCD Color 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. Displays data in 12 languages to globally support operators around the world. 8 4 5 6 7 Easy Maintenance Easy Access to Engine Oil Filter and Fuel Drain Valve 1 2 3 Engine oil dipstick and fill, and fuel filter are mounted on same side to improve accessibility. [. . . ] Mechanical disc brake Quarry Bucket PC450-8 bucket is designed exclusively for quarry use and is higher strength for impact and wear. Various parts of work equipment are also strengthened. 600 mm 23. 6" 700 mm 27. 6" Side Reinforcement Plate 16 mm 0. 63" thickness hightensile strength steel used. O-ring Added O-ring is added between bucket and linkage to prevent entrance of dirt. Double-flange Track Roller Side Shrouds 10 Bottom Wear Plate 19 mm 0. 75" thickness hightensile strength steel used. Lip Shrouds Double-flange rollers guide track link correctly and extends life of undercarriage. . 4 each side Corner Tooth Adapter 11 HYDRAULIC EXCAVATOR PC450-8 0 DIMENSIONS Arm Length Model A B C D E F G H I J K L M N O P Q Overall length Length on ground Overall height (to top of boom)* Overall width Overall height (to top of cab)* Ground clearance, counterweight Ground clearance (minimum) Tail swing radius Track length on ground Track length Track gauge Width of crawler Shoe width Grouser height Machine cab height Machine cab width Distance, swing center to rear end 3380 mm 11'1" PC450-8 12040 mm 39'6" 6560 mm 21'6" 3660 mm 12'0" 3430 mm 11'3" 3285 mm 10'9" 1320 mm 4'4" 555 mm 1'10" 3645 mm 12'0" 4020 mm 13'2" 5055 mm 16'7" 2740 mm 9'0" 3340 mm 11'0" 600 mm 23. 6" 37 mm 1. 5" 2920 mm 9'7" 3165 mm 10'5" 3605 mm11'10" PC450LC-8 12040 mm 6725 mm 3660 mm 3430 mm 3285 mm 1320 mm 550 mm 3645 mm 4350 mm 5385 mm 2740 mm 3340 mm 600 mm 37 mm 2920 mm 3165 mm 39'6" 22'1" 12'0" 11'3" 10'9" 4'4" 1'10" 12'0" 14'3" 17'8" 9'0" 11'0" 23. 6'' 1. 5" 9'7" 10'5" A H, Q C* F B I J O N P E* G K D, L M 3605 mm 11'10" *: Including grouser height WORKING RANGE Arm Length A B C D E F G H SAE rating ISO rating Max. 3380 mm 10925 mm 7625 mm 7790 mm 6600 mm 7650 mm 12005 mm 11800 mm 4805 mm 11'1" 35'10" 25' 0" 25' 7" 21'8" 25'1" 39'5" 38'9" 15'9" (m) H 12 11 10 9 8 7 6 A B 5 4 3 2 1 0 -1 -2 -3 -4 -5 -6 -7 -8 -9 (m)13 12 11 10 9 8 7 6 5 4 3 2 10 G. L 243 kN/24800 kgf/54, 670 lb 225 kN/22900 kgf/50, 490 lb 278 kN/28300 kgf/62, 390 lb 233 kN/23800 kgf/52, 470 lb D CE 2440 8' G F BACKHOE BUCKET, ARM, AND BOOM COMBINATION Bucket Capacity (heaped) SAE, PCSA CECE *1. 90 m3 2. 49 yd3 1. 70 m3 2. 22 yd3 *2. 10 m3 2. 75 yd3 1. 90 m3 2. 49 yd3 Arm Length 3. 38 m 11'1" Width With Side Shrouds 1625 mm 64. 0" 1745 mm 68. 7" Without Side Shrouds -- -- Weight With Side Shrouds 1966 kg 4, 330 lb 2035 kg 4, 490 lb Number of Teeth 5 5 General purpose use, material density up to 1. 8 ton/m3 1. 52 U. S. [. . . ]