As a special vehicle for the industry, a refrigerated truck should pay special attention to its daily maintenance, delay its service life, and better play its cooling and preservation role. Therefore, before driving, a thorough inspection must be conducted to prevent unnecessary troubles during the journey. Each time the goods are loaded, the following items must be carefully inspected: 1. The refrigerated vehicle fuel diesel or gasoline must be sufficient to ensure that the engine runs at least to the next inspection point. 2. The refrigerated car engine oil level should be at the full mark, do not over-fuel and change once a year. 3. The refrigerated truck should check the coolant level gauge to see if the coolant volume is within the specified range, and the pointer should be within the white range. If the coolant level is in the red range, add coolant to the coolant tank. 4. The battery terminal of the refrigerated truck must be firm and non-corrosive. The electrolyte should be at the full mark. 5. Belt straps must be well adjusted and adjusted to the appropriate degree of swell. The 13mm sag across the center between the pulleys. 6. Check all electrical connections in the electrical control circuit to ensure that they are secure and do not corrode. 7. Visually inspect the unit for leaks, loose parts, or breakage or damage. 8. Gaskets The washers installed in the unit should be firmly clamped. 9. Refrigerated car coil condenser and evaporator coil should be clean and free of dirt. 10. Defrost Drain Check the defrost drain hoses and fittings to ensure they are clear. 11. The cargo cannot cover the outlet and back of the evaporator when the cargo compartment is loaded to ensure that the cold air circulation in the cargo compartment is smooth and there is no hot spot. All maintenance and dismantling of refrigerated truck equipment must be carried out at the repair station. Pay attention to safety when performing repairs or disassembly work, and prevent accidents such as bruising or bruising caused by the use of tools or improper use of tools. Make sure that the diesel engine is always in a clean and sound condition. Before disassembling the parts, clean the parts or wipe them clean before assembling the parts to ensure that the parts are tidy and ensure assembly quality. More complicated maintenance adjustments should be carried out in the service station to prevent the pollution of the diesel environment!
Jack is one of the most simple lifting equipment with lifting height of less than 1 m, using jacking rigidity as a working device, through the top bracket or hold claw in the schedule at the bottom of the light and small lifting heavy lifting equipment.Divide into two kinds, mechanical and hydraulic jack is mainly used in mines, transportation and other departments as vehicle repair and other lifting, support, etc.The structure light and strong, flexible and reliable, one man can carry and operation.
Jack is divided into mechanical jacks and hydraulic jack, principle is different. In principle, the principle of hydraulic jack is based on PASCAL's principle, namely: the liquid pressure is the same everywhere, so, in a balanced system, the smaller piston top pressure is small, and the big pressure on the piston is bigger, it can keep the liquid stationary. Through liquid, so can be different on the different pressure, so that you can achieve the goal of a transformation.We are common to the hydraulic jack is to use the principle to achieve the force transfer.Mechanical jacks, using mechanical principle, in the past after pull (handle, claw namely rotary driving ratchet clearance, pull small bevel gear drive big bevel gear, make weight lifting screw rotation, so that the lifting socket for lifting or falling, and achieve the function of the lifting force. But not as easy hydraulic jack.
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