User manual ZENOAH KOMATSU D63E-12P BROCHURE

[. . . ] Left hand joystick controls all tractor motion. Right hand joystick controls all blade movements. BLADE CAPACITY Semi-U Dozer: Hexagonal pressurized cab and ROPS canopy with viscous damping mounts provides unsurpassed operator comfort and visibility 4, 4 m3 5. 8 yd3 Straight Tilt Dozer: 3. 0 m3 3. 9 yd3 Electronic monitoring system prevents minor problems from developing into major ones. Gull-wing engine side covers for easy and safer servicing. High capacity Semi-U dozer, Straight tilt dozer combined the highest power in its class with outstanding productivity. Wet, multiple-disc brakes eliminates brake-band adjustments for maintenance-free operation. Rippers Single-shank (standard) Multi-shank (optional) Forward-mounted pivot shafts isolate final drives from blade loads. Bolt-on segmented sprocket teeth for ease of maintenance. Komatsu torqflow transmission offers single lever control of speed (3 forward and 3 reverse) and directional changes. Modular power train for increased serviceability and durability. All of the track shoes, idlers, carrier rollers and track rollers meet the extreme cold region specifications. Photo may include optional equipment. 2 3 D63E-12 C R AW L E R D O Z E R CRAWLER DOZER D63E OPERATOR'S COMPARTMENT All steering, direction, and speed changes are made by a left-hand single joystick control. If the operator wants to move the machine forward and to the left, he simply moves the joystick forward and to the left. If he desires a gear change, he merely twists his wrist. [. . . ] A gas-spring cylinder opens the gull-wing engine side covers widely, allowing the engine and auxiliary components to be easily checked. Unload valve Unload valve Tank Photo may include optional equipment. Tank 4 5 D63E-12 C R AW L E R D O Z E R CRAWLER DOZER D63E SPECIFICATIONS ENGINE Model . 4-stroke cycle, water-cooled, direct injection Aspiration . Turbocharged, aftercooled Number of cylinders . 114 mm x 135 mm 4. 49" x 5. 31" Piston displacement . All-speed, Mechanical Horsepower SAE J1995 . Gross 127kW 170HP ISO 9249 / SAE J1349 . 824 N·m 84 kg·m 608 lb ft @ 1300 rpm FINAL DRIVES Spur gear double-reduction, final drives increase tractive effort. Segmented sprocket are bolt-on for easy in-the-field replacement. HYDRAULIC SYSTEM Closed-center load sensing system (CLSS) designed for precise and responsive control, and for efficient simultaneous operation. Hydraulic control units: All spool control valves externally mounted beside the hydraulic tank. Gear pump Capacity (discharge flow at rated engine rpm): . 20. 6 MPa 210 kg/cm2 2, 990 psi Hydraulic cylinders . Double-acting, piston Number of cylinders 2 1 Bore 110 mm 4. 33" 140 mm 5. 51" Control valves: Spool control valve for mechanical angle power tilt dozer. Raise, hold, lower, and float Blade tilt . Right, hold, and left Additional control valve for multi-shank ripper Positions:Ripper lift . Raise, hold, and lower Hydraulic oil capacity (refilling): Straight tilt dozer. gal STEERING SYSTEM Joystick controls for all directional movements. Pushing the joystick forward results in forward machine travel, while pulling it rearward reverses the machine. [. . . ] Track tension is easily adjusted with a grease gun. 1925 mm 6'4" Length of track on ground. 2725 m 8'11" Ground contact area . 61 kg/cm2 8. 67 psi DOZER EQUIPMENT Use of high tensile strength steel in moldboard for strengthened blade construction. [. . . ]