User manual ZENOAH KOMATSU PC1250-7 BROCHURE

[. . . ] In addition, the fuel consumption is reduced by 13% when using Economy Mode. Noise levels are reduced for greater operator comfort. PC1250-7 HYDRAULIC EXCAVATOR Working Mode Selection Hydraulics Unique three-pump system assures smooth compound movement of the work equipment. OLSS (Open Center Load Sensing System) controls all three pumps for efficient engine power use. This system also reduces hydraulic loss during operation. Multi-Function Color Monitor Improved Machine Stability The center of gravity is moved rearward and the 18. 0 tonne 19. 8 U. S. [. . . ] Sturdy guards shield the travel motors against damage from rocks. In-line filtration The undercarriage is strengthened to provide excellent reliability and durability when working on rocky ground or blasted rock. Metal guard rings protect all the hydraulic cylinders and improve reliability. Heat-resistant wiring is utilized not only for the electric circuit of the engine, but also for other whole High-pressure in-line filtration. The PC1250-7 has the most extensive filtration system available, providing in-line filters as standard equipment. An in-line filter in the outlet port of each main hydraulic pump reduces failures caused by contamination. With the circuit breaker, the machine can be easily restarted after repair. Employment of DT-type connectors which seal tight and have higher reliability. 7 Track roller guard (full length) (optional) 6 WORKING WORKING ENVIRONMENT ENVIRONMENT The cab interior is spacious and provides a comfortable working environment. . . PC1250-7 HYDRAULIC EXCAVATOR Operator's Cab Superb Visibility The PC1250-7's large capacity cab and increased glass area provide superb front visibility. Noise The noise levels at the operator's ear are decreased by improving the cab mounts and cab sealing performance. 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 controllers to move together or independently, allowing the operator to position the controllers for maximum Seat belt shown in photo is optional. Cab Mounts The new cab damper mounting reduces vibration and noise at operator's seat. Rubber Spring Safety Features Engine/pump room partition Step light with timer productivity and comfort. Pressurized Cab Silicon Oil Cab pressurization is increased to prevent external dust from entering the cab with optional air conditioner. Pull up front window with assist (Optional) Automatic Air Conditioner (Optional) A 6, 900 kcal (SAE) 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. Horn interconnected with flash light (optional) give visual and audible notice of the excavator's operation when activated. Engine/pump room partition prevents oil from spraying on the engine if a hydraulic hose should burst. Step light with timer automatically provides light for two minutes to allow the operator to get off the machine safely. Thermal guards are placed around high-temperature parts of the engine and accessory drive. Photo shown includes optional Falling Object Guard (FOG). Large handrails and wide walkways are provided around revolving frame for easier and safer access to engine and hydraulic components. 8 9 PC1250-7 SPECIFICATIONS SPECIFICATIONS & EQUIPMENT & EQUIPMENT ENGINE Model . 4-cycle, water-cooled, direct injection Aspiration . Turbocharged and air-to-air aftercooled Number of cylinders . 23. 15 ltr 1, 413 in3 Flywheel horsepower . 485 kW 651 HP @ 1800 rpm (SAE J1349) Governor . All-speed, electronic SWING SYSTEM Driven by . Planetary gear Swing circle lubrication . 8 each side COOLANT AND LUBRICANT CAPACITY (REFILLING) HYDRAULIC SYSTEM Type . [. . . ] crowd distance Bucket digging force Arm crowd force Bottom dump 6. 5 m3 12330 mm 8700 mm 3650 mm 11400 mm 10900 mm 4480 mm 6130 mm 59000 kg 62000 kg 8. 5 yd3 40'5" 28'7" 12'0" 37'5" 35'9" 14'8" 20'1" 130, 100 lb 136, 710 lb 7900 mm 25'11" 5025 mm 7745 mm 14070 mm 16'6" 25'5" 46'2" A B A 7 6 5 B 4 3 2 1 0 -1 -2 -3 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 8 7 6 5 4 3 2 1 0 -1 13 12 11 10 9 8 7 6 5 4 3 2 1 0 G Max. swing radius Bucket digging force (SAE) 13670 mm 44'10" 6415 mm 21'1" D C E -4 -5 -6 -7 -8 -9 -10 -11 -12 35000 kg 77, 160 lb 28700 kg 63, 270 lb 39700 kg 87, 520 lb 29200 kg 64, 375 lb 51200 kg 112, 900 lb 40300 kg 88, 860 lb 58100 kg 128, 110 lb 42000 kg 92, 590 lb 8 ft Arm crowd force (SAE) Bucket digging force (ISO) Arm crowd force (ISO) G F G. L. Bucket Selection Type of bucket Capacity­heaped Width Weight No. of bucket teeth Bottom dump 6. 5 m3 2680 mm 9700 kg 6 General-purpose digging and loading 8. 5 yd3 105. 5" 21, 390 lb C -2 -3 BACKHOE BUCKET, ARM, AND BOOM COMBINATION BUCKET CAPACITY (HEAPED) SAE, PCSA m3 yd3 3. 4 4. 0 5. 0 5. 2 6. 7 4. 4 5. 2 6. 5 6. 8 8. 8 CECE m3 yd3 3. 0 3. 5 4. 3 4. 5 5. 9 3. 9 4. 6 5. 6 5. 9 7. 7 Without Side cutters or shrouds mm in 1500 1710 2050 2050 2280 59" 67. 3" 80. 7" 80. 7" 69. 8" WIDTH With Side cutters or shrouds mm in 1670 1880 2220 2110 2340 65. 7" 74" 87. 4" 83. 1" 92. 1" WEIGHT (with side cutters) kg lb 3. 4 11'2" 3600 3800 4400 5100 6000 7, 940 8, 380 9, 700 11, 240 13, 230 -- 3. 4 11'2" -- -- -- -- -- -- -4 -5 F E D G Recommended uses ARM LENGTH m ft in 4. 5 14'9" 5. 7 18'8" PC1250-7 (use with 9. 1 m boom) PC1250SP-7 (use with 7. 8 m boom) These charts are based on over-side stability with fully loaded bucket at maximum reach. : General purpose use, density up to 2. 1 t/m3 3, 500 lb/yd3 : General purpose use, density up to 1. 8 t/m3 3, 000 lb/yd3 : General purpose use, density up to 1. 5 t/m3 2, 500 lb/yd3 --: Not useable 12 990 3'3'' A 4120 13'6'' 13 PC1250-7 HYDRAULIC EXCAVATOR PC1250-7 LIFTING CAPACITY A B C PC1250-7 Equipment: Boom: 9. 1 m 29'10" Arm: 3. 4 m 11'2" Bucket: 5. 0 m3 6. 5 yd3 with Heavy Lift On A Maximum Cf Cs *15200 *33, 500 12900 28, 500 11600 25, 600 12050 26, 500 14900 32, 900 *23500 *51, 800 *15200 *33, 500 12900 28, 500 11600 25, 600 12050 26, 500 14900 32, 900 *20150 *44, 500 16050 35, 400 12200 26, 900 *15500 *34, 200 *17300 *38, 100 *19800 *43, 700 19600 43, 200 *19650 *43, 300 *15500 *34, 200 16050 35, 400 12200 26, 900 *15200 *33, 500 *15950 *35, 100 15350 33, 800 15950 35, 200 19600 43, 200 *23500 *51, 800 *15200 *33, 500 *15850 *34, 900 15350 33, 800 15950 35, 200 *19600 *43, 200 *20150 *44, 500 12. 2 m 40' Cf Cs 10. 7 m 35' Cf *18000 *39, 700 *20000 *44, 200 20500 45, 200 19600 43, 200 19650 43, 300 Cs 17900 39, 400 Cf 9. 1 m 30' Cs Cf A: B: C: Cf: Cs: : Reach from swing center Bucket hook height Lifting capacity Rating over front Rating over side Rating at maximum reach Unit: kg lb 6. 1 m 20' Cf Cs Cf 4. 6 m 15' Cs B 9. 1 m 30' 34. 3MPa(Heavy Lift On) A Cf *5900 *13, 000 *6050 *13, 400 *6800 *15, 000 *8400 *18, 500 *11500 *25, 400 18250 40, 200 *5900 *13000 *6050 *13, 400 *6800 *15, 000 *8400 *18, 500 *11500 *25, 400 *16550 *36, 500 Maximum Cs *5900 *13, 000 *6050 *13, 400 *6800 *15, 000 *8400 *18, 500 9900 21, 900 13800 30, 400 *5900 *13000 *6050 *13, 400 *6800 *15, 000 *8400 *18, 500 9900 21, 900 13800 30, 400 *11050 *24, 300 13300 29, 300 12600 27, 800 10700 23, 600 10000 22, 000 9350 20, 600 *11050 *24, 300 13300 29, 300 12600 27, 800 10700 23, 600 10000 22, 000 9350 20, 600 13. 7 m 45' Cf Cs PC1250-7 Equipment: Boom: 9. 1 m 29'10" Arm: 5. 7 m 18'8" Bucket: 3. 4 m3 4. 4 yd3 with Heavy Lift On 12. 2 m 40' Cf Cs 10. 7 m 35' Cf Cs Cf A: B: C: Cf: Cs: : Reach from swing center Bucket hook height Lifting capacity Rating over front Rating over side Rating at maximum reach Unit: kg lb 7. 6 m 25' Cf Cs Cf 6. 1 m 20' Cs 7. 6 m 25' Cs 9. 1 m 30' Cs B 9. 1 m 30' 34. 3MPa(Heavy Lift On) 6. 1 m 20' 3. 0 m 10' 0. 0 m 0' ­3. 0 m ­10' ­6. 1 m ­20' 9. 1 m 30' 31. 4MPa(Heavy Lift Off) 6. 1 m 20' 3. 0 m 10' 0. 0 m 0' ­3. 0 m ­10' ­6. 1 m ­20' 17100 37, 700 15750 34, 800 14900 32, 800 14950 33, 000 *22950 *50, 600 26550 58, 600 23750 52, 400 25150 55, 400 22750 50, 200 20500 45, 200 17850 39, 300 19150 42, 200 *27900 *61, 500 *34950 *77, 000 33800 74, 600 34050 75, 000 *25400 *56, 000 *27900 *61, 500 27150 59, 800 25600 56, 400 25800 56, 800 *25400 *56, 000 *43850 *96, 700 *32550 *71, 700 37750 83, 200 *32550 *71, 700 *39250 *86, 600 *39250 *86, 600 6. 1 m 20' 3. 0 m 10' 0. 0 m 0' ­3. 0 m ­10' ­6. 1 m ­20' 9. 1 m 30' *14950 *32, 900 16750 36, 900 15650 34, 500 15150 33, 500 14050 31, 000 12850 28, 300 11800 26, 000 11350 25, 000 *19800 *43, 700 19700 43, 500 18950 41, 800 19350 42, 700 16550 36, 500 15000 33, 100 14250 31, 400 14650 32, 300 *23450 *51, 700 25450 56, 100 24400 53, 800 24750 54, 600 21650 47, 800 19400 42, 800 18450 40, 600 18750 41, 400 *29300 *64, 600 34250 75, 500 33050 72, 800 *33250 *73, 300 29200 64, 400 25950 57, 200 24850 54, 700 25350 55, 900 *39750 *87, 600 *31200 *68, 800 *43900 *96, 800 *42300 *93, 300 *39750 *87, 600 *31200 *68, 800 36100 79, 600 37150 81, 900 15750 34, 800 14900 32, 800 14950 33, 000 *23900 *52, 700 *23750 *52, 400 *24750 *54, 600 20500 45, 200 17850 39, 300 19150 42, 200 *30550 *67, 400 *32650 *72, 000 *30750 *67, 800 *21900 *48, 200 27150 59, 800 25600 56, 400 25800 56, 800 *21900 *48, 200 *38350 *84, 500 *28150 *62, 100 37750 83, 200 *28150 *62, 100 *39250 *86, 600 *39250 *86, 600 31. 4MPa(Heavy Lift Off) 17100 37, 700 *19950 *44, 000 *19950 *44, 000 *24400 *53, 800 *24400 *53, 800 6. 1 m 20' 3. 0 m 10' 0. 0 m 0' ­3. 0 m ­10' ­6. 1 m ­20' *12700 *28, 000 *14850 *32, 800 15650 34, 500 15150 33, 500 *12700 *28, 000 12850 28, 300 11800 26, 000 11350 25, 000 *17050 *37, 600 *19700 *43, 400 18950 41, 800 *18050 *39, 800 16550 36, 500 15000 33, 100 14250 31, 400 14650 32, 300 *20300 *44, 800 *24000 *53, 000 24400 53, 800 *22950 *50, 600 *20300 *44, 800 19400 42, 800 18450 40, 600 18750 41, 400 *25550 *56, 300 *30600 *67, 500 *31900 *70, 300 *28850 *63, 600 *25550 *56, 300 25950 57, 200 24850 54, 700 25350 55, 900 *34850 *76, 800 *31200 *68, 800 *41650 *91, 800 *36900 *81, 300 *34850 *76, 800 *31200 *68, 800 36100 79, 600 *36900 *81, 300 *Load is limited by hydraulic capacity rather than tipping. 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