TDER Lesson: How to maintain a forkliftDaily maintenance1.To clean the dirt and soil on the forklift, the key parts are: fork rack and gantry slide, generator and starter, battery electrode column, water tank, air filter.2.Check the tightening of various parts, focusing on: fork support, lifting chain tightening screws, wheel screws, wheel fixing pins, brakes, steering screws.3.Check the reliability and flexibility of the steering gear.4.Check the leakage, focusing on: each pipe joint, diesel tank, oil tank, brake pump, lifting cylinder, tilt, cylinder, water tank, water pump, engine oil pan, torque converter, transmission, transaxle, main reducer, hydraulic steering gear, steering cylinder.5.Tire pressure check: insufficient should be added to the specified value to confirm that there is no air leakage. Check whether the tire ground and side are damaged, and whether the axle is deformed.6.Brake fluid, water check: check whether the brake fluid is within the scale range, and check whether the brake pipe is mixed with air.When adding brake fluid, prevent dust and water from mixing. When adding water to the tank, use clean tap water, if using antifreeze, the same antifreeze should be added. When the water temperature is higher than 70C, do not open the tank cover. When opening the cover, pad a thin cloth and twist the tank cover without gloves.7.Engine oil, hydraulic oil, electrolyte check: first pull out the oil scale, wipe the ruler head, insert it and then pull out to check whether the oil level is between the two scale lines. The oil level in the working tank should be between two calibration lines; Too little oil will mix air into the pipeline, and too much will overflow from the cover plate. Battery point solution liquid should also be between the upper and lower scale lines, insufficient to add distilled water to the top line.8.Brake pedal check: step on each pedal to check whether there is abnormal sluggishness or blockage.9.Belt, horn, light, instrument and other inspection: check whether the tightness of the belt meets the regulations. No adjustment allowance or damage cracks, need to be replaced; Horn, light, instrument should be normal and effective.10.Remove oil filter sediment. Level 1 technical maintenanceFollow the "Routine maintenance" project and add the following work.1.Check the cylinder pressure or vacuum degree.2.Check and adjust the valve clearance.3.Check whether the thermostat works normally4.Check whether the multi-way reversing valve, lifting cylinder, tilt cylinder, steering cylinder and gear pump work normally.5.Check whether the shift work of the transmission is normal6.Check and adjust the gap between the brake disc and the brake drum of the foot brake.7.Replace the oil in the oil pan, check whether the crankcase ventilation nozzle is intact, and clean the oil filter and diesel filter element.8.Check whether the engine and starter are firmly installed, and whether the connector is clean and firm, check whether the carbon brush and commutator are worn.9.Check the tightness of fan belt.10.Check whether the wheel installation is firm, whether the tire pressure meets the requirements, and remove the debris embedded in the table.11.Due to maintenance work and disassemble parts, when reassembly to carry out forklift road test.(1) Braking performance under different degrees should be free from deviation and snaking. On steep slopes, when the hand brake is tightened, it can stop reliably.(2) Listen to the engine in acceleration, deceleration, heavy load or no-load operation, there is no normal sound.(3) After a road test, check the brake, transmission, front axle housing, gear pump for overheating.(4) The fork will lift speed is normal, there is no shaking.12.Check whether the diesel tank oil inlet filter is blocked and damaged, and clean or replace the filter. Level 2 technical maintenanceIn addition to the maintenance of the items according to Level I technology, the following work has been added:1.Clean the oil tank, filter and pipeline, and check whether there is corrosion, crack, do not use fiber yarn head, cloth wipe after cleaning.2.Clean the torque converter, gearbox, check the wear of parts, and replace the new oil.3.Check the drive shaft bearing and change the direction of the universal joint cross shaft if necessary.4.Check the tightness of all parts of the drive axle and whether there is oil leakage, dredge the porosity. Remove and check the main reducer, adjust the bearing axial clearance, add or replace lubricating oil.5.Disassemble, adjust and lubricate the front and rear wheels, and carry out half-shaft transposition.6.Clean the brake and adjust the friction gap.7.Clean the steering gear and check the free turning momentum of the steering disc.8.Disassemble and clean the gear oil pump, pay attention to check the wear of the gear, housing and bearing.9.Disassemble the multi-way valve, check the gap between the valve stem and the valve body, and do not disassemble the safety valve if necessary.10.Check whether the steering joint is damaged and cracked, the coordination between the steering bridge kingpin and the steering joint, and remove the wear of the longitudinal and horizontal tie rod and the joints of the steering arm.11.Remove the tires, brush and paint the rims, check the inner and outer tires and cushion belts, change positions and inflate according to regulations.

1. Be careful not to get too close to the edge of the cliff. When building a levee, filling or unloading materials down a cliff, one pile should be unloaded first, and the latter pile should be used to push the previous pile.2. When the machine pushes the soil down the cliff or to the top of the slo

First, excavator prohibited operation1. It is prohibited to operate excavators in crowded places to avoid personnel injury due to improper operation.2. It is prohibited to operate excavators in dangerous areas such as driving, pedestrians and high voltage wires to avoid accidents.3. It is prohibited to pile debris on the front of the excavator, so as not to affect the vision and work effect.4. Overload operation is prohibited to avoid damage to the machine and parts, resulting in unnecessary maintenance costs.5. It is prohibited to carry out digging operations in places such as unstable ground, large slope or vertical slope, so as to avoid rollover accidents.Second, the operation of excavators need to pay attention to1. Before operation, we should carefully check whether all parts of the excavator are in good condition, and carry out necessary maintenance and maintenance to ensure that the machine is in good condition.2. In the process of operation, you should always pay attention to the surrounding environment and conditions, and take timely safety protection measures to ensure the safety of operation.3. During operation, the machine should be kept stable to prevent instantaneous pressure waves caused by excessive operation or sudden turning, causing fatigue and aging of parts.4. After the end of the operation, the machine should be cleaned and organized to extend the service life of the machine.To sum up, the excavator is a very important mechanical equipment, and it must be very careful in the operation process. Compliance with the above prohibited operations and precautions can ensure the safe use of excavators and reduce unnecessary losses.

Truck Mounted Crane is a common lifting equipment, widely used in construction sites, logistics warehousing, ports and other fieldsIn the view. It realizes the object by suspending it at the end of the boom, using the power of the hydraulic or electric systemOperations such as lifting, moving and positioning. The following will be from the structural composition, hydraulic system, power system and working originalThe working principle of truck crane is introduced in detail.1. Structure compositionThe truck mounted crane is mainly composed of chassis, hydraulic system, boom and operation room.(1) Chassis: Chassis is the main load-bearing part of the truck crane, usually by the special lifting car chassis and caterpillar bottomDisc in two forms. The chassis of the special lifting vehicle is usually composed of the cab, engine, drive system and chassis structureMake up.(2) Hydraulic system: The hydraulic system is the power source of the truck mounted crane, which converts hydraulic oil into hydraulic energy through the hydraulic pump, and realizes the movement of the boom up and down, expansion and rotation through the hydraulic cylinder, hydraulic motor and other executive components. The hydraulic system also includes control valve group, hydraulic pipeline, hydraulic oil tank, etc.(3) Lifting arm: The lifting arm is the main working part of the truck mounted crane, which is used to suspend objects and achieve lifting, turning and stretchingShrink and other functions. The lifting arm is generally composed of a telescopic arm, a rotating mechanism, a lifting arm and a suspension device. The length of the boomThe degree and structure form are determined according to the actual work needs and tonnage requirements.(4) Operation room: The operation room is generally located at the top of the cab or on the side of the lifting arm, and the operator can pass the controllerOperate the lifting, expansion, rotation and other actions of the crane.2. Hydraulic systemThe hydraulic system is the core part of the crane, which sucks the hydraulic oil from the tank through the hydraulic pumpThe control valve group controls the hydraulic flow, and then the hydraulic energy is converted into the machine by the actuator such as the hydraulic cylinder and the hydraulic motorMech can thus achieve a variety of actions.Hydraulic pumps are mainly gear pumps, vane pumps and plunger pumps and other types. Gear pump simple structure, small volume, suitableSmall crane used. The flow of vane pump is stable, the pressure fluctuation is small, suitable for small and medium-sized cranes. Plunger pumpHigh pressure, large flow, suitable for large cranes.The control valve group is mainly composed of balance valve, relief valve, speed regulating valve, reversing valve and safety valve. Balance valve forBalance the pressure and flow of the hydraulic system to ensure the stable operation of the hydraulic system. The relief valve controls the hydraulic systemThe maximum working pressure of the system, when the pressure exceeds the set value, it will automatically relieve the pressure protection system. Speed regulating valve for controlMake the movement speed of the hydraulic cylinder, and realize the speed adjustment of lifting, expansion and rotation. Directional valves are used to control hydraulic pressureThe flow of oil in and out, to achieve the boom up and down and telescopic movement. Safety valves are used to prevent hydraulic system overload andA fault occurs.The hydraulic cylinder is the actuator of the hydraulic system, which realizes the up and down of the boom through the pressure and flow of the hydraulic oil.Movements such as expansion and rotation. A hydraulic motor, similar to a hydraulic cylinder, is an execution that converts hydraulic energy into rotary motionElement for realizing the rotating motion of the boom.3. The power systemThe electric power system of the crane is mainly composed of starter motor, generator and control device. The starter motor is used for startingDynamo, which converts mechanical energy into electrical energy to provide power for hydraulic systems and auxiliary equipment. ControlsThe device is used to control the operation of the power system, including power switches, control buttons, meters and protection devices.4. The working principleThe working principle of the crane can be simply summarized as follows: the power provided by the hydraulic system drives the lifting of the boom,Movement such as expansion and rotation to complete the suspension, lifting, moving and positioning of the object.The specific operation process is as follows:(1) The operator enters the corresponding command through the button on the operating platform.(2) The hydraulic pump draws the hydraulic oil from the oil tank and enters the hydraulic cylinder or hydraulic horse after adjustment by the control valve groupReach.(3) The hydraulic cylinder or hydraulic motor realizes the up and down, expansion and rotation of the boom according to the pressure and flow of the hydraulic oilAnd other sports.(4) Suspend the object at the end of the lifting arm by means of a sling or fixture.(5) The control valve group of the hydraulic system adjusts the movement of the hydraulic cylinder or hydraulic motor according to the instructions input by the operatorSpeed and direction, to achieve the object lifting, moving and positioning operations.(6) When all the work is completed, the operator controls the hydraulic pump through the button to stop working, and the crane stops working.To sum up, the crane realizes the movement of the crane arm through the power provided by the hydraulic system, so as to achieve the objectOperations such as lifting, moving and positioning. It has the advantages of simple structure, convenient operation and high efficiency in modern timesIt has important application value in the field of lifting and transportation.

In pursuit of environmental protection and performance, TDER has developed this 3-3.5 Ton Medium Voltage Lithium-ion Electric Forklift, which is unique in combining environmental features with the excellent off-road performance of diesel forklifts. It has achieved zero emissions, reduced the negative impact on the environment, and significantly reduced operating costs.TDER 3-3.5 Ton Medium Voltage Lithium-ion Electric Forklift is comparable to conventional diesel forklifts in off-road performance. This medium voltage lithium-ion electric forklift has excellent torque and power output, which can easily cope with a variety of complex work scenarios and harsh road conditions. Whether in indoor warehouses or outdoor construction sites, medium voltage lithium electric forklifts are able to drive steadily and maintain efficient operation.详情页1-TDER 3-3.5 Ton Medium Voltage Lithium-ion Electric Forklift Environmentally Friendly and High-Performance Combined.jpgAdvanced ergonomic technologyThe advanced ergonomics technology greatly improves the operating comfort. Newly designed parking brakes that comply with the international safety standard ISO3691. Intelligent control LCD displayOperation data integrated display, real-time understanding of the whole machine running status, fault alarm, rapid diagnosis, comfortable driving, rest assured. Lithium iron phosphate batteryMature automotive lithium iron phosphate cell module, charge and discharge efficiency of more than 90%, 1.5-2 hours of fast charging, with charge, safe and efficient. Electrical system H-type layoutTowards neat and beautiful, convenient maintenance; The car body on both sides of the electrical parts is fixed, and the balance is firm; The harness is shorter, there is no extra bending, and the conductive efficiency is higher. 详情页2-TDER 3-3.5 Ton Medium Voltage Lithium-ion Electric Forklift Environmentally Friendly and High-Performance Combined.jpg Motor direct driveThe walking motor directly converts electrical energy into mechanical energy, driving the front axle action, less energy loss, fast starting speed, energy utilization rate increased by more than 30%, flexible and efficient driving. Load sensing hydraulic systemFull hydraulic load sensing system, priority steering, steering response speed is faster, more light control;Hydraulic line adopts 24° cone + O-ring double seal to reduce leakage. Cast integrated shock-absorbing steering bridgeThe main shaft bearing adopts tapered bearing design, which has stronger impact resistance, and the body contact part is installed with buffer block to buffer the shock absorption effect, improve the comfort of forklift and slow down the fatigue driving. BMS Intelligent controllerThrough the CAN bus to power battery, motor, electrical parts and other monitoring, encountered leakage, short circuit, undervoltage and other faults, limit the vehicle related actions, to ensure personal and vehicle safety. 详情页3-TDER 3-3.5 Ton Medium Voltage Lithium-ion Electric Forklift Environmentally Friendly and High-Performance Combined.jpg Wide open hoodOptimize the layout of the cabin, the battery, oil pump motor, electrical components, hydraulic fuel tank are in the cabin, the hood opening Angle is large, daily maintenance is more convenient. Seat failure protectionAdjustable thickening seat, good shock absorption, sedentary not tired; The seat with power off protection, power off from the seat, the vehicle stops working, driving safer. High ground clearanceThe whole vehicle adopts high strength frame structure of internal combustion forklift truck. The vehicle has high ground clearance, which can be applied to indoor and outdoor multi-scene operations. Rain experimentMulti-layer protection design, protection level up to IP56, to meet the needs of rainy days. Whether it is environmental protection or performance, the performance of TDER 3-3.5 Ton Medium Voltage Lithium-ion Electric Forklift is remarkable. Through its unique design and advanced technology, it successfully combines environmental protection with high performance. Environmental protection also meets the needs of customers for efficient logistics.

Adhering to the concept of continuous improvement and the pursuit of quality, TDER has made a lot of improvement and enhancement in the reliability, handling performance and appearance of this series of products, to ensure that the comprehensive performance of the product is at the high-end level of the industry. ReliabilityThe most reasonable system match after repeated verificationChoose domestic first-line brand or imported brand accessoriesAfter 400 hours of continuous strengthening tests Handling performance20 experienced forklift operators were invited to test drive and give suggestions for improvementExtensive research and learning from Germany and Japan advanced products and absorption and utilization Exterior workThe use of high-quality automotive paint and advanced paint processing equipment to ensure the quality of paint, beautiful and durableEstablish appearance detail process control system to ensure quality. GearboxLow speed ratio transmission with high climbing ability, compared with other products:-- Work efficiency increased by 5%,-- The climb Angle is increased by 8%, the noise is reduced by 3 to 5 dB,-- Thermostationary temperature reduction of 8 to 10 degrees Celsius. Steering axleThe integrated casting bridge will be adopted soon, and the overall strength and size control will be significantly improved. At the same time, the connection between the bridge and the frame will also pass a shock-absorbing rubber transition, and the vibration of the whole machine will be significantly reduced. Hydraulic systemLoad sensing steering priority hydraulic system reduces pressure loss, saves energy and improves operating comfort. RadiatorThe radiator is purchased from Germany with the latest technology, which can meet a variety of hot climates and high intensity conditions. The hydraulic oil radiator is selected for some high temperature climates to improve the stability and service life of the hydraulic system. Body sectionThe fully enclosed instrument platform expands the working space, is more beautiful, and better protects the built-in components.The new suspension adjustable seat makes the operation more comfortable for long periods of time.The newly designed roof protection frame can prevent falling objects from injuring workers and protect operators more effectively.Equipped with fuel cover, more beautiful and safer.The pedal part of the car, the area is 1.5 times that of other brands, the height is lower than other brands, and it is easier to operate and prevent stepping empty. Gantry sectionThe door frame connection support is thicker and wider, making the door frame operation safer and more stable.In order to improve the stability and reliability of the door frame, the adjustment slide of the internal and external door frame is changed from plastic to special copper products, effectively reducing wear and reduce the gap between the internal and external door frames. Electrical partStandard electronically controlled hydraulic transmission, more comfortable and durable operation.The whole car uses LED lamps, the light is brighter and softer, which is conducive to human vision protection and physical health.The fuel sensor imported from Japan is more accurate and reliable. TDER 3T C Series Diesel Forklift Truck, innovation logistics, improve efficiency! Learn more about this hot product to take your warehousing operations to the next level.