2015年3月4日星期三

How bulldozer operation safer

(1) bulldozer in hard rock or soil zone uphill work, should be carried out with a ripper blasting or scarifying. In marshes job, replace wetlands dedicated track shoe.
(2) driving a bulldozer through on the job or in their bridge, culvert, dikes, dams, etc., should have the appropriate carrying capacity.
(3) shall not be bulldozed lime dust, soot and other materials and used as crushed stone operations.
(4) Traction other mechanical equipment, there should be someone in charge of directing. Rope should be solid and reliable connection. When the ramp or long distance towing, tow bar connection should be used.
(5) pre-operational projects should focus on checking compliance with the following requirements.
1) no loosening of the components, the connection is good.
2) fuel oil, lubricating oil, hydraulic oil compliance.
3) The system piping no cracks or leaks.
4) Each lever and brake pedal stroke, track or tire pressure tightness meet the requirements.
(6) should be checked after each instrumented value, the hydraulic system should work effectively; When functioning normally, the water temperature reached 55 ℃, the oil temperature reaches 45 ℃, the only full-load operation.
(7) Before driving bulldozers, crawler or non someone standing on the blade holder. Mechanical four weeks should be no obstacle. After confirming it is safe to start.
(8) using the main clutch engagement should be a smooth drive bulldozers, started not too fast, not in the second half of the clutch engaged state operation, the hydraulic transmission of bulldozers, should lift the lever lock state. Depress the decelerator pedal, shift lever should be in a certain position, then slowly release the accelerator pedal level.
(9) When the stone road, should track tensioning. When you need to rotate in place or sharp turns, should be carried out using low gear. When people travel agency folder stone shall be used forward and reverse travel back and forth to make stone excluded.
(10) in the shallow water zone travel or work, you should identify the depth. Do not touch the surface of the water cooling fan blades. Water before and after the water, should be greased for walking devices.
(11) on a bulldozer, downhill or over obstacles when using low gear. Not shift uphill, downhill slide not neutral. Transverse traveling slope must not exceed 100. When you need a dozer on steep slopes, cut and fill should be done first, so that the body to maintain balance, before the job.

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