User manual ZENOAH KOMATSU PC450LC-7 BROCHURE

[. . . ] Easy removal and installation of the radiator and oil cooler Fuel tank capacity is increased. Easy access for engine inspection High-capacity air cleaner See pages 8 and 9 Strengthened Revolving Frame with Deck Guard Quarry Cab Large Digging Force Arm crowd force is increased 8% and bucket digging force is increased 10% when the Power Max function is applied. (compared with PC450-6). Two-mode Setting for Boom Switch selection allows either powerful digging or smooth boom operation. [. . . ] In the arm out function, a portion of the oil is efficiently returned to the tank . Two return hoses 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. clearance: approx. 200mm (7. 9") 30% increased 5 PC450-7 H Y D R A U L I C E X C A V A T O R HYDRAULIC EXCAVATOR PC450-7 Safety Features Cab OPG (FOG) capable with optional bolt-on top guard. WORKING ENVIRONMENT The cab interior is spacious and provides a comfortable working environment. . . Wide Visibility The right side window pillar has been removed and the rear pillar Large Comfortable Cab Comfortable Cab New PC450-7's cab volume is increased by 14%, offering an exceptionally comfortable operating environment. The large cab enables full flat reclining of the seat back with headrest. reshaped to provide better visibility. Fixed One-piece Laminated Front Window Glass Front window is fixed and uses laminated safety glass to prevent scattering of glass fragments when broken. Pump/engine room partition prevents oil from spraying on the engine if a hydraulic hose should burst. Seat with headrest reclined full flat Pressurized Cab The optional air conditioner, air filter and a higher internal air pressure (10 mm Aq 0. 39" in Aq) prevent external dust from entering the cab. Low Noise Design Noise level is remarkably reduced, not only engine noise but also swing and hydraulic relief noise. placed around high-temperature Photo may include optional equipment. Low Vibration with Cab Damper Mounting PC450-7 uses a new, improved cab damper mount system that incorporates longer stroke and the addition of a spring. The new cab damper mounting combined with a strengthened left and right side deck aids vibration reduction at the operator's seat. Vibration at floor is reduced from 120 dB (VL) to 115 dB (VL). dB (VL) is index for expressing size of vibration. Rubber Spring parts of the engine and fan drive. Automatic Air Conditioner (optional) A 6, 900 kcal 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. Multi-Position Controls The multi-position, pressure proportional control levers allow the operator to work in comfort while maintaining precise control. A double-slide mechanism allows the seat and control levers to move together or independently, allowing the operator to position the controls for maximum productivity and comfort. Steps with non-skid sheet and large handrail provide antislip footing for added safety. Silicon Oil Large Handrail Comparison of Riding Comfort Cab Damper Mounting Multi-Layer Viscous Mount Vertical direction on graph shows size of vibration. Conditions: Traveling over obstacle one side track Traveling speed forward high Seat Sliding Amount: 340 mm 13. 4", increased 120 mm 4. 7" Washable Cab Floormat The PC450-7's cab floormat is easy to keep clean. The gently inclined surface has a flanged floormat and drainage holes to facilitate runoff. Floor Vibration Non-skid Sheet 6 Fixed Skylight Skylight Sun Shade Sliding Window Defroster (optional) Cab Frame Mounted Wiper Bottle Holder and Magazine Rack Thermal Guard 7 PC450-7 H Y D R A U L I C E X C A V A T O R HYDRAULIC EXCAVATOR PC450-7 MAINTENANCE FEATURES Multi-Function Color Monitor Reducing Maintenance Costs A newly developed Multi-Function Color Monitor has multiple functions, such as Working mode selection, hydraulic pump oil flow adjustment for matching to attachment, and maintenance interval notice, etc. Hydraulic Oil and Filter/Engine Oil and Filter Replacement Interval Extended The new high performance filters are used in hydraulic circuit and engine. Hydraulic oil filter, engine oil, and engine oil filter element replacement intervals are significantly extended to reduce maintenance costs. PC450-7 500 500 5, 000 1, 000 Quarry Hydraulic Excavator The PC450-7 is a specially designed for heavy-duty applications. The PC450-7 has strengthened work equipment and reinforced body parts for use in severe job sites such as quarry and gravel gathering, etc. Fixed one-piece laminated front window glass The front window is New hydraulic oil filter fixed and uses laminated safety glass to prevent scattering of glass fragments when broken. Fixed Skylight and Sunshade EMMS (Equipment Management Monitoring System) Monitor Function Controller monitors engine oil level, coolant level, engine oil pressure, coolant temperature, battery charge and air cleaner clogging, etc. Maintenance Function Monitor informs replacement time of oil and filters on LCD when the replacement interval is reached. [. . . ] Arm crowd force at power max. 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 CE D OPERATING WEIGHT (APPROXIMATE) Fuel tank . gal PC450-7 Operating Ground Weight Pressure 81. 4 kPa 43000 kg 0. 83 kgf/cm2 94, 800 lb 11. 8 psi 69. 6 kPa 43420 kg 0. 71 kgf/cm2 95, 720 lb 10. 1 psi PC450LC-7 Operating Ground Weight Pressure 77. 5 kPa 44000 kg 0. 79 kgf/cm2 97, 000 lb 11. 2 psi 66. 7 kPa 44450 kg 0. 68 kgf/cm2 97, 990 lb 9. 67 psi 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" Operating weight including 7060 mm 23'2" one-piece boom, 3380 mm 11'1" arm, SAE heaped 1. 9 m3 2. 49 yd3 bucket, rated capacity of lubricants, coolant, full fuel tank, operator, and standard equipment. 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 Shoes 600 mm 23. 6" 700 mm 27. 6" Number of Teeth 5 5 General purpose use, material density up to 1. 8 ton/m3 1. 52 U. S. ton/yd3 * Quarry bucket STANDARD EQUIPMENT · · · · · · · · · · · Alternator, 35 Ampere, 24V Auto-Decel Automatic engine warm-up system Automatic de-airation system for fuel line Batteries, 110 Ah/2 x 12V Boom holding valve Cab capable FOG with optional bolt-on top guard Counterweight, 9220kg 20, 330lb Dry type air cleaner, double element Electric horn Engine, Komatsu SAA6D125E · · · · · · · · · · · Engine overheat prevention system Fan guard structure Hydraulic track adjusters (each side) Long lubricating interval bushings for work equipment Monitor panel, color multi-function Power maximizing system PPC hydraulic control system Radiator & oil cooler dust proof net Rear view mirror, R. H. [. . . ]