A comprehensive analysis of the functions, efficiency improvement, maintenance and troubleshooting of pallet trucks

Basic functions and application scenarios of pallet trucks

Basic functions of pallet trucks

Pallet trucks, as a common logistics handling equipment, occupy an important position in modern warehousing, logistics and factory operations. Its design and functions are aimed at ensuring the safe transportation of goods by improving work efficiency and reducing manual labor. The basic functions of pallet trucks include item handling, load capacity adjustment, and ease of operation, which enable them to adapt to different types of work environments and needs.

Item handling

One of the main functions of pallet trucks is to move goods. Since many products and items are usually packaged and transported in pallets, the design of pallet trucks allows pallets to be easily moved between warehouses, production lines and loading and unloading areas. These vehicles can carry goods of different weights and usually have a certain load capacity, which can help reduce the problems of damage and inefficiency that may exist in traditional manual handling.

Load capacity and adjustability

The design of pallet trucks allows them to adapt to goods of different weights and sizes. Most pallet trucks are equipped with adjustable functions that can adjust the height and load distribution of the vehicle body according to the different needs of the items being handled. This design can improve the flexibility of transportation, meet various warehousing and handling needs, and avoid the inconvenience caused by single size and weight restrictions.

Ease of operation

One of the key design features of a pallet truck is ease of operation. Unlike traditional manual handling, a pallet truck is usually equipped with a simple operating lever, handle, and flexible control system, allowing users to easily move items manually or electrically. In addition, modern pallet trucks are equipped with wheels suitable for various environments to ensure smooth movement of the equipment on different surfaces.

Application scenarios of pallet trucks

The wide range of applications of pallet trucks makes it an indispensable equipment in many industries and occasions. Whether in industrial production, warehousing and logistics, or in supermarket retail, food distribution and other fields, pallet trucks play an important role.

Warehousing and logistics

Warehousing and logistics is one of the most widely used scenarios for pallet trucks. In warehouses, a large number of goods and materials are usually stored on standard-sized pallets. Pallet trucks can quickly and safely move these pallets from one storage area to another, reducing labor costs and improving the efficiency of goods storage and retrieval.

The use of pallet trucks can help maximize the use of warehouse space. Through flexible handling methods, staff can more efficiently adjust the storage location of items, increase the storage capacity of the warehouse, and thus improve the overall logistics efficiency.

Industrial production

In industrial production environments, pallet trucks are used to transport raw materials, semi-finished products and finished products. Since each link in the production line usually requires timely supply of raw materials and timely delivery of products, pallet trucks play a key role in this. It can not only transport raw materials from the warehouse to the production workshop, but also transport finished products on the production line to the packaging and transportation area.

Using pallet trucks can effectively reduce the burden of manual handling, reduce possible errors in production, and improve work efficiency in the production process. Especially in large-scale production environments, pallet trucks are almost indispensable equipment.

Supermarket retail

In the supermarket retail industry, pallet trucks are also widely used. Most supermarkets' goods are packaged and transported on pallets. Pallet trucks can not only help staff move goods from warehouses to shelves, but also play an important role in clearing warehouses, replenishing goods and inventory management.

In supermarket retail environments, the convenience and efficiency of pallet trucks can greatly increase the speed of goods on the shelves. And, because shelves are usually high, using pallet trucks can make workers safer and more efficient when moving and organizing goods.

Food distribution

In the food industry, especially food distribution companies, the use of pallet trucks can better ensure the safe transportation of products. Many foods, especially fresh foods, are usually delivered in pallets as a packaging form. Pallet trucks can help delivery personnel easily transport large quantities of food from distribution centers to various retail stores, avoiding the problem of damage that may occur when individual items are transported.

In the process of food distribution, the ease of operation of pallet trucks can help reduce time waste in the distribution process and ensure that the distribution tasks are completed on time.

Construction industry

In the construction industry, pallet trucks also have their unique applications. Construction materials, tools and equipment often need to be packaged and transported on pallets. Pallet trucks can achieve rapid transportation of goods within the construction site. Due to the complex environment of the construction site, pallet trucks are usually designed to adapt to various ground conditions, so these devices are usually equipped with wheels that can adapt to uneven ground or slippery environments such as mud and sand.

In large-scale construction projects, the use of pallet trucks can help improve transportation efficiency and reduce errors and losses caused by manual handling during construction.

Types of pallet trucks

The types of pallet trucks can be divided into many different types according to their power sources, functional requirements and other characteristics, mainly including manual pallet trucks, electric pallet trucks, stacker pallet trucks, etc. Each type of pallet truck has its specific functions and applicable scenarios, and companies can choose according to actual needs.

Manual pallet trucks

Manual pallet trucks are one of the most common types and are usually used for light load handling. They are easy to operate and do not require additional power support, so they are very popular in many small warehouses or factories. Users can move pallets to designated locations by pushing and pulling the joystick.

Electric pallet trucks

Electric pallet trucks are suitable for environments that require greater handling capacity. Unlike manual pallet trucks, electric pallet trucks are driven by electric motors and can perform long-term continuous handling work. It has a strong load capacity and is suitable for use in large-scale warehouses or production lines.

Stacker pallet trucks

Stacker pallet trucks have a stacking function and can move pallets to higher shelf positions. It is suitable for warehouses with limited space and where vertical space needs to be utilized. Compared with traditional pallet trucks, stacker pallet trucks can not only carry items, but also lift items to higher storage locations to optimize space utilization.

How do pallet trucks improve warehousing and logistics efficiency?

Overview of Pallet Trucks

A pallet truck is a logistics equipment used to carry and transport pallets and goods. It improves the work efficiency in warehousing, logistics and production links through convenient design, and has become an indispensable equipment in modern warehouses and production lines. Pallet trucks significantly improve the overall efficiency of warehousing and logistics operations by reducing manual labor, improving the efficiency of cargo handling, and ensuring the safety of goods.

Improvement of warehousing efficiency by pallet trucks

Increasing the speed of cargo storage and retrieval

In warehousing management, the speed of cargo storage and retrieval is an important indicator to measure warehouse efficiency. The application of pallet trucks in warehouses can help staff quickly move items from one location to another. With pallet trucks, staff do not need to spend a lot of physical strength to carry heavy objects, reducing time waste, thereby increasing the speed of warehouse storage and retrieval.

For example, the goods in the warehouse are usually placed in a certain arrangement, and pallet trucks can effectively extract pallets from different storage locations and quickly transport them to other areas. Especially for the handling of bulk goods, the efficiency of pallet trucks can greatly improve the smoothness of logistics operations.

Optimize the use of warehouse space

The use of pallet trucks can help warehouses maximize the use of limited space. Many pallet trucks are designed with height-adjustable features to help workers move goods flexibly in a small space. By using a stacker pallet truck, workers can lift pallets to higher shelf levels, thereby optimizing the vertical space utilization of the warehouse.

In modern warehousing environments, space utilization is critical, and the flexibility and diverse functions of pallet trucks make warehouse layouts more efficient. Especially in storage-intensive environments, it can effectively reduce aisle occupancy and expand storage space, thereby increasing the storage capacity of the entire warehouse.

Reduce error rate and loss

When traditional manual handling of items, there is a certain risk of operational errors and damage to items. The use of pallet trucks can reduce errors in manual handling and ensure the accurate transportation of goods. During operation, pallet trucks are usually equipped with precise control devices, so that workers can accurately control the direction and speed of handling, thereby reducing errors during handling.

At the same time, pallet trucks can reduce damage to items caused by improper handling. Pallets fix the goods in a relatively stable frame, and the specially designed trucks keep the goods safe and stable during transportation. This reduces the loss of items in storage and ensures the integrity of the items.

Pallet trucks improve logistics efficiency

Improve the efficiency of loading and unloading operations

Loading and unloading operations in the logistics industry are an important link, especially in large storage centers and distribution centers, where rapid loading and unloading of goods is crucial to overall logistics efficiency. The application of pallet trucks can help workers complete loading and unloading operations quickly and orderly. During the transportation of goods, pallet trucks can carry multiple pallets of items and transport them from one location to a designated place, reducing the complexity and workload of manual handling.

Electric pallet trucks are particularly suitable for large-scale logistics operations because they can quickly and efficiently complete long-distance transportation tasks, thereby improving the overall work efficiency of logistics.

Reducing manpower requirements and labor intensity

Traditional logistics operations require a lot of manual handling, especially for the transportation of bulk goods. Manual handling is not only inefficient but also labor-intensive. Pallet trucks greatly reduce the demand for manpower by providing a simple and convenient way of handling.

Electric pallet trucks, in particular, can provide power through built-in batteries without an external power source, allowing operators to easily transport heavier goods without excessive physical exertion. This feature not only improves logistics efficiency, but also reduces labor costs and reduces labor intensity in the working environment.

Support diverse transportation needs

During the logistics process, the mode of transportation of goods will change according to different needs. The diversity of pallet truck designs enables it to adapt to the handling needs of different types of goods. For example, electric pallet trucks can handle heavier goods, and stacker pallet trucks can help to carry high-rise goods in a small space. These flexible designs meet the diverse transportation needs in the logistics process and help improve the overall logistics efficiency.

Innovation and intelligence of pallet trucks

With the continuous development of science and technology, pallet trucks are also moving towards intelligence and automation, which will have a more far-reaching impact on the improvement of warehousing and logistics efficiency.

Intelligent scheduling system

Modern pallet trucks have begun to be equipped with intelligent scheduling systems that can automatically adjust work routes and task allocation according to logistics needs. This system can automatically receive task instructions, determine the optimal handling path, and guide the pallet truck to the task target by connecting to the warehouse management system (WMS). This innovation significantly improves the response speed and operational efficiency in logistics operations, reduces manual intervention, and can automatically handle complex tasks in a busy working environment.

Automated Pallet Trucks

Automated pallet trucks (AGVs) have been widely used in recent years, especially in large-scale warehousing and logistics centers. The AGV system can independently complete the task of handling items through the built-in automatic navigation system, saving a lot of human resources, and can operate around the clock, improving the overall efficiency of the warehouse. This intelligent equipment can complete various handling tasks without human intervention, especially under high-frequency and complex handling requirements, and can provide continuous and efficient logistics support.

Real-time data monitoring and management

By equipping pallet trucks with sensors and monitoring equipment, modern warehousing and logistics systems can track the working status, location information and operation of the trucks in real time. These data can not only help operators understand the current logistics status, but also take timely measures when abnormalities occur. Through data feedback, managers can optimize the logistics process, thereby improving the overall warehousing and logistics efficiency.

Improvement of enterprise benefits by pallet trucks

Pallet trucks not only improve the efficiency of warehousing and logistics operations, but also help enterprises reduce operating costs and improve market competitiveness.

Reduce operating costs

Pallet trucks can reduce reliance on manpower, allowing companies to reduce labor costs while maintaining efficient logistics operations. Through efficient handling methods, companies can shorten operation time, reduce transportation losses, and improve overall logistics efficiency, ultimately reducing overall operating costs.

Improve customer satisfaction

In modern business competition, customers have higher and higher requirements for delivery speed and product safety. Pallet trucks can speed up cargo handling and transportation by improving warehousing and logistics efficiency, ensuring on-time delivery. Improved customer satisfaction will further enhance the company's market competitiveness and promote the company's long-term development.

Comparative analysis of electric pallet trucks and manual pallet trucks

In modern warehousing and logistics management, pallet trucks are indispensable equipment. With the changes in market demand, the types of pallet trucks have gradually increased, and the two most common types are electric pallet trucks and manual pallet trucks. Although both types of equipment can be used to transport goods, there are obvious differences in their operation methods, work efficiency, and applicable scenarios. By comparing and analyzing these two types of pallet trucks, we can better understand their respective advantages and disadvantages, thereby providing warehouse managers and corporate decision makers with more targeted selection basis.

Manual Pallet Truck Overview

Basic Functions and Operation Methods

A manual pallet truck, also known as a manual forklift, is a human-powered device that uses a hydraulic system to lift and move pallets. The operator controls the hydraulic system through a handle to raise or lower the forklift arm to achieve the handling of the pallet. Manual pallet trucks are usually simple in structure, intuitive in operation, and have low maintenance costs.

Applicable Scenarios

Manual pallet trucks are suitable for small warehouses and low-frequency handling scenarios, especially in small-scale operating environments with relatively sufficient human resources. Its advantage is that it can flexibly cope with shorter handling distances and lighter load tasks, and is suitable for warehousing and logistics needs with low frequency of cargo storage and retrieval.

Advantages and Disadvantages

Advantages:

Simple structure, easy to operate and maintain;

Low cost, suitable for small and medium-sized enterprises with limited budgets;

Flexible operation in limited space, suitable for small warehouses;

No external power supply or charging required, suitable for indoor and outdoor environments.

Disadvantages:

Only suitable for lighter goods or low-frequency handling scenarios;

High labor intensity, long-term operation can easily cause fatigue;

Unable to meet high-intensity and long-term logistics needs.

Overview of Electric Pallet Trucks

Basic functions and operation methods

Electric pallet trucks are electric-powered equipment, usually equipped with electric hydraulic systems, which can lift, lower and move pallets. The core feature of electric pallet trucks is that they use batteries or power sources as power sources, and the operator controls the forward and backward movement of the vehicle body and the lifting and lowering of the fork arm through buttons or handles. Its operation is relatively simple, and it can efficiently carry heavier goods in a short time.

Applicable scenarios

Electric pallet trucks are suitable for large-scale storage centers, distribution centers and other environments that require high-frequency handling of goods. It is particularly suitable for long-term and high-intensity operation requirements, which can effectively reduce manual labor intensity and improve work efficiency. In scenarios where long-term continuous work or heavy objects need to be transported, the advantages of electric pallet trucks are particularly prominent.

Advantages and Disadvantages

Advantages:

Electric drive greatly reduces manual labor intensity;

Suitable for heavy-load, high-frequency operations, can greatly improve work efficiency;

More suitable for long-term use and large-scale logistics operations;

Can save labor costs, especially for long-term handling tasks;

With strong power, it can handle larger and heavier loads.

Disadvantages:

The initial investment is higher, and the purchase cost is more expensive than manual pallet trucks;

It needs to be charged regularly, and attention should be paid to the management of electricity when using it;

It is heavier and not as flexible as manual pallet trucks, and may not be suitable for small spaces;

The repair and maintenance costs are relatively high.

Operation and use efficiency comparison

Differences in operation methods

Manual pallet trucks require operators to manually pull or push the vehicle body to carry goods. This method relies on manual power. Although the operation is simple, long-term operation can easily lead to physical fatigue, especially when carrying heavy objects, the labor intensity is high. In addition, the handling speed of manual operation is usually slow.

Electric pallet trucks are powered by batteries and do not require manual pushing or pulling. Operators only need to use buttons or handles to control, which greatly reduces the labor intensity of operators. Electric pallet trucks can move goods at a faster speed, especially when moving heavier items. Electric pallet trucks are obviously more advantageous. Therefore, in terms of operating efficiency, electric pallet trucks are better than manual pallet trucks.

Difference in operating efficiency

Operation efficiency is a key indicator to measure the performance of handling equipment. Manual pallet trucks are suitable for small-scale, low-frequency operation scenarios, and their operating efficiency is usually lower than that of electric pallet trucks. Since manual equipment requires a long period of physical operation, the working speed and efficiency are limited.

Electric pallet trucks, due to their powerful power support, can carry out fast and continuous cargo handling. Especially in frequent and large-scale warehouse operations, electric pallet trucks can significantly improve operating efficiency and shorten operating time. Therefore, in situations where the demand for operating efficiency is high, electric pallet trucks are often more able to meet the needs.

Comparison of applicable load and operating time

Applicable load

Manual pallet trucks are suitable for lighter cargo handling and can usually carry loads between 1 ton and 3 tons. For most small and medium-sized enterprises, this load capacity is sufficient to meet basic needs. However, for large warehouses and logistics centers that need to carry heavier goods, the load capacity of manual pallet trucks may be insufficient.

Electric pallet trucks usually have a stronger load capacity, and some high-end models can even carry up to 5 tons of goods. This makes electric pallet trucks very suitable for heavy-duty, high-intensity operations, especially cargo handling in the industrial field.

Operating time

The operating time of manual pallet trucks is limited by the operator's physical strength. Long-term handling operations will cause fatigue, which in turn affects work efficiency. The operating time of electric pallet trucks depends on the battery life and charging cycle, and can usually be operated continuously for a long time. With sufficient battery support, electric pallet trucks can operate around the clock and adapt to the needs of large-scale logistics operations.

Maintenance and maintenance cost comparison

Maintenance and maintenance of manual pallet trucks

Manual pallet trucks have a simple structure and relatively low maintenance costs. Usually, it is only necessary to regularly check the wear of the hydraulic system, wheels and other moving parts to ensure the smooth operation of each component. Since it does not have a complex power system, repair and maintenance are relatively simple and can usually be completed by employees themselves.

Maintenance and Care of Electric Pallet Trucks

Maintenance and care of electric pallet trucks are relatively complex, mainly reflected in the management of batteries and the maintenance of power systems. Batteries need to be charged and maintained regularly to ensure that they work properly. Electric pallet trucks have expensive components such as power systems, control panels, and batteries, and the repair costs in the event of a failure are relatively high. Therefore, the long-term maintenance costs of electric pallet trucks are generally higher than those of manual pallet trucks.

Cost Comparison

Purchase Cost

Manual pallet trucks have a lower initial purchase cost and are generally suitable for small businesses with tighter budgets. Electric pallet trucks have a higher purchase cost, especially high-load, high-performance models, which are more expensive. For some low-frequency operation scenarios, manual pallet trucks may be a more economical choice.

Operation Cost

The operating costs of electric pallet trucks include battery charging costs and power system maintenance costs. In contrast, the operating costs of manual pallet trucks are almost zero, requiring only manual operation and less maintenance. Considering the long-term operating costs, manual pallet trucks appear to be more cost-effective.

Daily maintenance and care recommendations for pallet trucks

Daily inspection and cleaning

Regular inspection of the hydraulic system

The hydraulic system is one of the core components of the pallet truck, and its working efficiency directly affects the handling capacity of the equipment. The quality and level of the hydraulic oil need to be checked regularly. Contamination or low level of hydraulic oil may cause poor operation or even system failure. When checking the hydraulic system, pay special attention to whether there is leakage in the oil pipes and joints. If the hydraulic oil is deteriorated or contaminated, it should be replaced in time.

Keep the wheels clean and lubricated

The wheels of the pallet truck are the part that is in direct contact with the ground. After long-term use, they are prone to accumulate dust, oil, debris, etc. The cleaning of the wheels is very important to ensure the smooth operation of the equipment. The surface of the wheel should be cleaned regularly with a damp cloth, especially the dust and debris at the connection between the wheel and the vehicle body, so as not to affect the rotation flexibility. In addition, the lubrication of the wheel should not be ignored. Proper lubricating oil can reduce the friction between the wheel and the bearing and extend its service life.

Clean the fork arm and fork claw

The fork arm and fork claw are another key component of the pallet truck. Long-term contact with goods and the ground is prone to accumulate debris, dust and oil stains, which may cause the fork arm to move poorly. It is necessary to clean the fork arms and claws regularly, especially when handling heavy goods. Use a clean cloth to clean these parts to ensure their free movement and good working condition.

Regularly check and replace parts

Check and replace hydraulic oil

The quality of hydraulic oil directly affects the operating performance of the pallet truck. The hydraulic oil needs to be kept clean and have sufficient viscosity to ensure the stable operation of the hydraulic system. If the hydraulic oil is contaminated or bubbles appear during use, it should be replaced immediately. Generally speaking, the hydraulic oil should be replaced every 6 months to 1 year, and the specific period can be determined according to the frequency of use and the quality of the hydraulic oil.

Check and replace the wheels

The wear of the wheels is closely related to the operating frequency and load of the equipment. In a high-intensity use environment, the wheels wear faster, and excessively worn wheels will affect the normal driving of the truck, and may even cause the equipment to fail to carry goods smoothly. Therefore, check the wear of the wheels regularly. If the wheels are found to have cracks, gaps or severe wear, they should be replaced in time.

Check the hydraulic cylinder and oil seal

The hydraulic cylinder is an important part of the pallet truck. The wear of the cylinder and oil seal may cause leakage or poor operation of the hydraulic system. Regularly check the hydraulic cylinder for scratches, cracks or leaks, and make sure the oil seal is not worn or aged. If any problems are found, they should be repaired or replaced in time.

Proper operation and use

Avoid overloading

Overloading is an important cause of pallet truck failure. Each pallet truck has its maximum load capacity. Overloading will not only damage the hydraulic system, but also cause damage to components such as wheels and frames, and in severe cases may cause safety accidents. Therefore, when using a pallet truck, be sure to follow its rated load capacity and avoid overloading.

Avoid fast movement

During the use of a pallet truck, too fast operation may cause a large impact force on the equipment, causing damage to components such as wheels and hydraulic systems. It is recommended that the operator maintain smooth operation during the handling process, avoid violent acceleration, braking and turning, especially when carrying heavy objects, and slow down.

Avoid unnecessary no-load operation

When a pallet truck is driving in an unloaded state, the friction between the wheels and the hydraulic system increases, which will cause unnecessary wear. Although the pallet truck does not involve the handling of goods during no-load operation, in order to save energy and reduce wear, it should be avoided to use the equipment without load for a long time. Avoid running for long periods of time when unloaded.

Correct parking and storage

Parking location selection

When parking a pallet truck, choose a flat, dry surface and avoid parking in wet or uneven places. Moisture may cause rust on equipment components, affecting the rotation of the wheels and the normal operation of the hydraulic system. If parking outdoors, it is recommended to cover the equipment with a rain cover to prevent damage to the equipment from the external environment.

Regular battery maintenance (applicable to electric pallet trucks)

Electric pallet trucks usually use batteries as a power source. To ensure long-term stable operation of the battery, the battery needs to be maintained regularly. Check the battery power regularly to avoid the battery being in a low power state for a long time. At the same time, battery cleaning is also very important. Make sure that the battery contact points are clean to avoid battery short circuit or leakage.

Regularly conduct a comprehensive inspection

Check the vehicle structure

The body structure of the pallet truck determines its load-bearing capacity and stability. During daily use, the load-bearing part of the equipment may become loose or deformed. Regularly check the fixing screws of the frame and fork arm to ensure that all parts are firm and reliable. Especially in high-frequency use environments, more attention should be paid to the strength of the vehicle body to prevent structural problems.

Check the pressure of the hydraulic system

The pressure of the hydraulic system needs to be checked regularly to ensure that it is within the normal range. If the pressure of the hydraulic system is unstable, it may cause the equipment to be lifted and lowered unsteadily, or even unable to operate. The pressure of the hydraulic system can be measured by a professional pressure gauge. If the pressure is abnormal, it should be adjusted or repaired in time.

Check the electrical system (applicable to electric pallet trucks)

For electric pallet trucks, the stability of the electrical system is crucial. Check whether the electrical circuit is aging or damaged to avoid short circuits or electrical failures. At the same time, ensure that the control panel, display and other equipment are operating normally. Regularly checking the operating status of the electrical system can effectively avoid power failures of the equipment.

Regularly train operators

The operators of pallet trucks should be trained regularly to master the correct operating methods and maintenance skills. The operator's understanding of the equipment directly affects the service life and safety of the equipment. The training content should include basic equipment operation, daily inspections, troubleshooting, etc., to ensure that each operator can skillfully deal with various work scenarios and reduce equipment damage caused by improper operation.

Fault diagnosis and repair methods for pallet trucks

Hydraulic system fault diagnosis and repair

Fault symptoms

The hydraulic system is one of the core components of the pallet truck. Any hydraulic system failure will directly affect the operation of the equipment. Common hydraulic system failures include: the pallet truck cannot lift heavy objects, the lifting speed is slow, and it is unstable when descending. Leakage of hydraulic oil, wear of the cylinder, aging of the oil seal, etc. can cause these problems.

Fault diagnosis

Check the level and quality of the hydraulic oil: First, check whether the hydraulic oil level is too low. Insufficient level may cause the hydraulic pump to fail to absorb oil normally, resulting in failure to lift. Secondly, check whether the hydraulic oil is deteriorated or contaminated. Deteriorated oil will cause the hydraulic system to fail to work properly and may need to be replaced.

Check the hydraulic pipeline: Aging, damage or loose connections of the hydraulic pipeline will cause oil leakage. By carefully checking whether there is leakage in the pipeline joints, cylinder interfaces, etc., it can be determined whether there is an oil leakage problem in the hydraulic system.

Check the oil pump and cylinder: The oil pump is the heart of the hydraulic system. Wear or failure of the oil pump will cause the hydraulic system to fail to provide sufficient pressure. Checking the operation of the oil pump and whether the oil cylinder is damaged or leaking is the key to diagnosing hydraulic system failures.

Repair method

Replace the hydraulic oil: If the hydraulic oil is deteriorated or contaminated, the hydraulic oil should be replaced in time. When replacing the hydraulic oil, you should choose the appropriate oil and ensure that the oil is clean to avoid contamination.

Repair or replace the hydraulic pipeline: If the hydraulic pipeline is found to be leaking or damaged, the damaged part should be repaired or replaced in time. When replacing the hydraulic pipeline, make sure that the pipeline material meets the equipment requirements and the joints are firmly connected.

Check and repair the oil pump: If the oil pump fails, it may be necessary to disassemble and inspect the internal components of the oil pump. Damaged parts need to be replaced, and if the oil pump is severely damaged, the entire oil pump may need to be replaced.

Replace the cylinder seal: Aging or damage to the cylinder seal will cause hydraulic oil leakage, reduce system pressure, and affect the working performance of the transporter. At this time, the cylinder seal should be replaced in time and the quality of the new seal should be ensured.

Wheel fault diagnosis and repair

Fault symptoms

The wheel is the part of the pallet truck that is most directly in contact with the ground. The wheel failure is usually manifested as inflexible wheel rotation, abnormal noise, jamming, etc. If the wheel is severely worn, it will also affect the stability of the pallet truck and cause the vehicle to run unsteadily.

Fault diagnosis

Check the wear of the wheel: Long-term use of the wheel will cause surface wear, and severely worn wheels will affect the handling capacity of the equipment. Check whether the wheel has cracks, dents, etc. If the wheel is severely damaged, it should be replaced in time.

Check the wheel bearing: Damage to the wheel bearing will also cause the wheel to be unable to rotate smoothly. Check the connection between the wheel and the bearing. If the bearing is damaged or aged, it should be replaced in time.

Check the connection between the wheel and the body: Looseness at the connection between the wheel and the body will also affect the operation of the wheel, which may cause abnormal noise or jamming. Check whether the connecting screws are loose and reinforce them if necessary.

Repair method

Replace the wheel: If the wheel is cracked, severely worn or deformed, it should be replaced immediately. When replacing the wheel, choose a wheel of the same model and specification as the original wheel to ensure the adaptability of the new wheel.

Replace the bearing: If the bearing is found to be damaged, the wheel should be disassembled, the bearing model and specification should be checked, and the appropriate bearing should be purchased for replacement. When installing a new bearing, it should be installed correctly to avoid looseness.

Tighten the connection screws: If the connection between the wheel and the vehicle body is loose, the connection screws should be tightened with tools. Check the fixing of the wheel regularly to ensure that the screws are firmly connected.

Electrical system fault diagnosis and repair (applicable to electric pallet trucks)

Fault symptoms

The electrical system of the electric pallet truck includes components such as batteries, chargers, electric motors and controllers. When the electrical system fails, common symptoms include the failure of the device to start, rapid battery power drop, and no response from the electric motor.

Fault diagnosis

Check the battery power and battery connector: First, check whether the battery power is sufficient. Insufficient battery power may cause the device to fail to start. Secondly, check whether the battery connector is loose, corroded or in poor contact. Loose or corroded battery connectors may prevent the current from flowing normally.

Check the charger: A charger failure may cause the battery to fail to charge or charge incompletely. Check whether the charger's power cord is intact, whether the plug is damaged, and whether the charging indicator light is normal.

Check the electric motor and controller: The electric motor failure will cause the equipment to not operate normally. Check whether the connection between the motor and the controller is normal, and whether the electric motor is short-circuited or burned out. If the controller fails, the electric motor may also fail to work.

Repair method

Replace the battery: If the battery is damaged or the battery life expires, it should be replaced in time. When purchasing a new battery, choose a model that is consistent with the original battery specifications to ensure that the battery can provide power normally.

Repair or replace the charger: If the charger fails, check the charger's circuit board, power cord, connector and other components, and repair or replace them if necessary.

Check and repair the electric motor: If the electric motor is damaged, check the electric motor's circuit and internal components. If serious damage is found, the motor may need to be replaced. For controller failure, ask professionals to inspect or replace it.

Fork arm fault diagnosis and repair

Fault symptoms

As an important part of the pallet truck, the fork arm's fault is manifested as the fork arm cannot be raised and lowered normally, the fork arm is skewed, the fork arm is loose, etc. The failure of the fork arm may affect the handling efficiency and safety of the equipment, so it needs to be handled in time.

Fault diagnosis

Check the hydraulic cylinder: The lifting of the fork arm mainly depends on the hydraulic system. If the fork arm is lifted slowly or unstable, first check whether the hydraulic cylinder is leaking or worn.

Check the fork arm fixing screws: Loose fork arm fixing screws may cause the fork arm to be unstable. Check whether the fork arm fixing screws are loose to ensure that the fork arm is stable.

Check whether the fork arm is deformed: After long-term use, the fork arm may be deformed due to overload or impact. The deformed fork arm cannot work properly and may need to be replaced.

Repair method

Replace the hydraulic cylinder seal: If there is a leakage problem in the hydraulic cylinder, the seal should be replaced. Check the sealing of the hydraulic cylinder regularly to prevent the leakage of hydraulic oil from affecting the lifting of the fork arm.

Tighten the fork arm fixing screws: If the fork arm fixing screws are loose, use tools to tighten the screws to ensure the stability of the fork arm.

Replace the deformed fork arm: If the fork arm is deformed, it should be replaced according to the specifications of the original fork arm to ensure the adaptability of the new fork arm.