User manual ZENOAH KOMATSU D85EX_15R D85PX-15R
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Manual abstract: user guide ZENOAH KOMATSU D85EX_15RD85PX-15R
Detailed instructions for use are in the User's Guide.
[. . . ] Spacious interior Comfortable ride with new cab damper Excellent visibility High capacity air conditioning system (optional) Palm Command Control System (PCCS) lever Pressurized cab (optional) Adjustable armrests
OPERATING WEIGHT D85EX-15R 28000 kg 61, 730 lb D85PX-15R 27550 kg 60, 740 lb BLADE CAPACITY Semi-U Tilt Dozer: D85EX-15R: 7. 0 m3 9. 2 yd3 Straight Tilt Dozer: D85EX-15R: 5. 2 m3 6. 8 yd3 D85PX-15R: 5. 9 m3 7. 7 yd3
Hydraulic drive radiator cooling fan
controlled automatically, reduces fuel consumption and operating noise levels. See page 6.
Extra-low machine profile provides excellent machine balance and low center of gravity.
Genuine Answers for Land and Environment Optimization
SAA6D125E-5 turbocharged after-cooled diesel engine provides an output of 197 kW 264 HP
with excellent productivity. See page 6.
Hydrostatic Steering System (HSS) Preventative maintenance
Centralized service station Enclosed hydraulic piping Modular power train design Electric priming pump See page 8. provides smooth, quick and powerful control in various ground conditions. [. . . ] The joystick provides the same steering response on downhill slopes as on flat ground. Grading-- can be done efficiently without damaging the ground, because the inside track is not locked during turning.
Facing front
Outline of electronic control system
Fuel control dial Travel control lever
Preset travel speed function
Preset travel speed selection function is provided as standard equipment. The preset switch enables the operator to select a combination of forward/reverse gear shifts, from 4 patterns; F1-R1, F1-R2, F2-R1 and F2-R2, by using UP/DOWN shift switch, and once the shift pattern is selected, operator can control the machine concentrating his attention on directional control only. Once F2-R2 pattern is selected, for example, 2nd gear is automatically selected when travel control joystick is moved into forward/reverse. This function reduces gear shifting frequency during machine operation and is especially helpful when used in combination with Auto-Downshift Function.
Auto shift down switch
Service switch
Monitor panel
When turned 15° (opt)
Deceleration pedal
F1-R1 MODE
UP
Heavy load
Light load
Press DOWN switch
Press UP switch
Acceleration sensor Engine controller Steering and transmission controller Brake pedal potentiometer
DOWN
F1-R2 MODE
Press DOWN switch Press UP switch
F2-R1 MODE
Press DOWN switch Press UP switch
Transmission control valve
Engine speed Water Engine temp. oil pressure Fuel control valve unit Fuel temp.
F2-R2 MODE
ECMV ECMV ECMV ECMV
Auto downshift function
Transmission output shaft speed sensor
Controller monitors engine speed, travel gear and travel speed. When load is applied and machine travel speed is reduced, the controller automatically downshifts to optimize gear speed to provide high fuel efficiency. This function provides comfortable operation and high productivity without manual downshifting. (This function can be deactivated with cancel switch. )
Actuated on heavy load or steep slope
Engine
Electronic controlled transmission
4
5
D85EX/PX-15R
C R AW L E R D O Z E R
CRAWLER DOZER
D85-15
PRODUCTIVITY FEATURES
Work equipment
Large blade
Capacities of 5. 2 m3 6. 8 yd3 (Straight tilt dozer for D85EX), 5. 9 m3 7. 7 yd3 (D85PX), 7. 0m3 9. 2 yd3 (Semi-U tilt dozer for D85EX) yield outstanding production. High-tensile-strength steel has been incorporated into the front and sides of the blade for increased durability.
WORKING ENVIRONMENT
Operator comfort
Operator comfort is essential for productive work. The D85EX/PX provides a quiet, comfortable environment where the operator can concentrate on the work at hand.
Comfortable ride with new cab damper mounting
D85EX/PX's cab mount uses a new cab damper which provides excellent shock and vibration absorbtion capacity with its long stroke. Cab damper mounts soften shocks and vibration while traveling over adverse conditions, which conventional mounting system are unable to absorb. The cab damper spring isolates the cab from machine chassis, suppressing vibration and providing a quiet, comfortable operating environment.
Rippers (EX)
The multi-shank ripper features a long sprocket center-toripper point distance, making ripping operation easy and effective while maintaining high penetration force. The multi-shank ripper is a parallelogram type ideal for ripping in tough material. The ripping depth is adjustable in two stages.
Engine
The Komatsu SAA6D125E-5 engine delivers 197 kW 264 HP at 1900 rpm. The fuel-efficient Komatsu engine, together with the heavy machine weight, make the D85EX/PX superior crawler dozers in both ripping and dozing operations. The engine features direct fuel injection, turbocharger, and air-to-air aftercooler to maximize fuel efficiency. If the monitor finds abnormalities, corresponding warning lamp blinks and warning buzzer sounds. The monitor displays engine rpm and forward/reverse gear speed on the upper part of the monitor during operation. If abnormalities occur during operation, user code appears on display. When a critical user code is displayed, the caution lamp blinks and a warning buzzer sounds to prevent the development of serious problems.
Engine
Hull frame Track frame
Reliable simple structure
Simple hull structure main frame design increases durability and reduces stress concentration at critical areas. The track frame has a large cross section and utilizes pivot shaft mounting for greater reliability.
Easy cleaning with hydraulic drive radiator fan
The radiator core and the core on the front side of the oil cooler can be easily cleaned by running the hydraulic engine fan in reverse. [. . . ] 22. 6 MPa 230 kg/cm2 3, 270 psi Control valves: Spool control valves for tilt dozer Positions: Blade lift . Right, hold, and left Additional control valve required for multi-shank ripper (EX) Positions: Ripper lift . Double-acting, piston Number of cylinders 2 1 2 Bore 100 mm 3. 9" 150 mm 5. 9" 130 mm 5. 1"
Blade lift Blade tilt Ripper lift
US ton
kN
ton 60
D85EX-15R Power Shift
DRAWBAR PULL vs. SPEED MAXIMUM USABLE PULL DEPENDS ON TRACTION AND WEIGHT OF TRACTOR INCLUDING MOUNTED EQUIPMENT
60 500 50 50
Hydraulic oil capacity (refill): Straight tilt dozer . [. . . ]
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