Common unsafe practices in agricultural machinery maintenance

Common unsafe practices in agricultural machinery maintenance

Unsafe practices for hanging heavy objects When repairing tractors, it is common practice to use hemp ropes, nylon ropes, and V-belts to lift the engine and gearbox. This is a very unsafe practice. Sturdy wire ropes, tripods, etc. should be used, and the foot must be stable. If suspended by a crane, no one can pass or stand under the weight. Unsafe practices to support the vehicle When the tyre is damaged, it is unsafe to use bricks, stones, wooden blocks or a jack to support it alone. Jacks and solid wooden piers should be used to lift the frame at the same time, and the front and rear wheels should be locked with triangular wood or larger stones to prevent the vehicle from moving back and forth. This kind of maintenance is best carried out on a solid ground to prevent agricultural machinery from tipping and hurting people.

Insecurity of Tire Inflation The tires are re-inflated after being disassembled and unprotected, causing the rims to pop and wound. The correct method is to lock the tire, lock ring, retaining ring and rim together with a chain before inflating, and to inflate one side of the retaining ring toward the ground or wall to prevent the rim from being wounded.

Unsafe practices for welding oil containers When welding oil containers, the containers must be cleaned in advance. In particular, there must be no residual oil, otherwise explosions may occur during welding. Cleaning method is to use alkali water or hot water plus vinegar, repeatedly cleaning 2 or 3 times, and control the net, dry and then welding. Do not blow dry with high-pressure air to prevent static sparks from detonating. When welding, all lids should be opened first. When cleaning large tanks, people who enter the tanks must wear long-sleeved clothes. They must not barefoot and should wear protective belts and signal ropes. The working time in the tank should not be too long. There must be special care outside the tank. After the person goes out of the tank, he must wash his face, wash his hands, gargle, and wash the clothes with alkali and then wash with water.

Unsafe practices for repairing brakes When repairing brakes, hand and foot brakes are repaired at the same time, which can easily lead to unstable bodies and cause people to slip and hurt themselves. The right thing to do is to separately repair the brakes on your hands and feet so that you can brake each other to ensure safety. The place where the farm machinery should be parked should be solid and flat, and the front and rear wheels should be secured with triangles to avoid sliding.

Unsafe practices for commissioning the engine When commissioning the machine, personnel are prone to injury near dangerous parts such as fans, belts or exhaust pipes, and tools, parts, etc. can easily fall on the machine or damage the machine. Requires that the debug personnel wear neat and tidy clothes; non-debugging personnel must stay away from the machine; try to stop the machine during commissioning; turn off the machine in the lower part of the commissioning system; guard personnel must be assigned to guard the operating mechanism to prevent outsiders from misbehavior; check the tools before commissioning. And parts and send a signal.

The unsafe practice of adding water opens the lid of the tank immediately when the engine is hot, especially in the case of “opening the pot,” and it is also very unsafe. The water release switch should be opened first. After the water pressure is lowered, cover the water tank with a towel, etc., and tilt the body and head to one side and unscrew it slowly.

Unsafe maintenance of electrical equipment When repairing electrical equipment in the vehicle, repair it without removing the battery wire in advance, which can easily lead to sparks and injuries caused by the hot wire. You should remove the battery wire before repairing it. When preparing the electrolyte, use metal. It is also a wrong operation to pour water into concentrated sulfuric acid in a container or when diluting concentrated sulfuric acid. The correct method should be to use ceramic or glass containers and slowly pour concentrated sulfuric acid into water, which must be strictly observed.

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