On panswork, a user shared their struggles with a Bobcat S130 skid steer that was facing a range of operational issues. The skid steer was exhibiting signs of trouble, which could affect both its performance and the overall efficiency of work on the job site. Here, we will explore the potential causes of the issues and how to troubleshoot them effectively.
Problem Description
The user’s Bobcat S130 was experiencing various issues that could be attributed to mechanical, electrical, or hydraulic failures. These problems can prevent the machine from running at its full potential, leading to downtime and costly repairs. Understanding the potential causes and how to address them is key to restoring the machine to normal operation.
Common Issues and Troubleshooting Steps

1. Hydraulic Problems
   One of the most common causes of issues in skid steers like the Bobcat S130 is a hydraulic malfunction. The hydraulic system is crucial for lifting, moving, and controlling attachments. If the hydraulics are malfunctioning, the machine may have reduced lifting capacity or be unable to perform certain tasks.
   • Low Hydraulic Fluid: Check the hydraulic fluid level. If it’s low, the pump may not be able to generate enough pressure to operate the system properly. Fill up the hydraulic fluid and check for any leaks in the system.
     
   • Hydraulic Pump Failure: A failing hydraulic pump can lead to loss of power and erratic movement. Inspect the pump for any signs of wear or damage, and replace it if needed.
     
   • Clogged or Damaged Hydraulic Hoses: A clogged or damaged hydraulic hose can prevent the system from working efficiently. Inspect the hoses for cracks or blockages and replace them as necessary.
     
2. Electrical Issues
   Electrical problems are another common cause of issues in Bobcat skid steers. These can affect the machine’s start-up, operational functions, and even the display system.
   • Faulty Battery: If the machine is struggling to start or shows weak performance, check the battery. A weak or dead battery can prevent the machine from operating properly. Test the battery voltage and replace it if necessary.
     
   • Corroded Battery Terminals: Corrosion on the battery terminals can prevent the electrical system from getting the power it needs. Clean the battery terminals and check for any signs of wear or damage to the cables.
     
   • Fuses and Wiring: A blown fuse or faulty wiring can disrupt the electrical circuit, causing various operational issues. Check the fuses and inspect the wiring for any signs of damage, and replace the blown fuses or wires as needed.
     
3. Engine Performance Problems
   Issues with the engine itself can cause the Bobcat S130 to run rough, lose power, or fail to start altogether.
   • Fuel System Issues: A clogged fuel filter or malfunctioning fuel pump can prevent the engine from receiving the necessary amount of fuel, leading to performance problems. Replace the fuel filter and check the fuel pump for any issues.
     
   • Air Filter Clogs: A clogged air filter can reduce airflow to the engine, causing poor performance. Inspect the air filter and clean or replace it as necessary to ensure optimal airflow.
     
   • Spark Plug Problems: If the spark plugs are worn out or damaged, the engine may struggle to ignite the fuel properly. Check the spark plugs and replace them if necessary to ensure smooth engine operation.
     
4. Tire or Track Issues
   Skid steers like the Bobcat S130 rely on their tires or tracks for traction and maneuverability. Issues with the tires or tracks can affect the machine's ability to move effectively, especially on uneven terrain.
   • Flat or Worn Tires: Inspect the tires for any damage, such as punctures, excessive wear, or low air pressure. Replace any worn-out or damaged tires to ensure optimal performance.
     
   • Damaged Tracks: If the Bobcat S130 is equipped with tracks, check them for wear, damage, or misalignment. Misaligned or damaged tracks can cause the machine to move unevenly or become stuck. Adjust or replace the tracks as needed.
     
5. Overheating Issues
   Overheating is another problem that can hinder the performance of the Bobcat S130. Overheating can be caused by issues with the cooling system or the engine itself.
   • Low Coolant Levels: If the coolant level is low, the engine may overheat. Check the coolant levels and top them up if necessary.
     
   • Blocked Radiator: A clogged radiator can prevent the engine from properly cooling down. Inspect the radiator for debris or dirt and clean it if necessary.
     
   • Faulty Thermostat: A faulty thermostat can prevent the engine from regulating its temperature properly, leading to overheating. Replace the thermostat if it’s malfunctioning.
     

1. Check the Hydraulic Fluid: Ensure the fluid is at the correct level and check for any leaks. If needed, replace the hydraulic pump or hoses.
   
2. Inspect the Electrical System: Test the battery, clean the terminals, and check the fuses and wiring for damage.
   
3. Examine the Engine: Check the fuel system, air filters, and spark plugs for any issues. Replace or clean components as needed.
   
4. Inspect Tires or Tracks: Ensure the tires or tracks are in good condition, properly inflated, and free from damage.
   
5. Monitor Overheating: Check the coolant level and inspect the radiator and thermostat for any problems.
   

On panswork, a user mentioned facing issues with their Bobcat 753 F skid steer, where the machine was running rough and emitting smoke. This is a common concern that can arise from various factors affecting the engine's performance and overall functionality. Below is a breakdown of potential causes and troubleshooting steps to resolve the issue.
Problem Description
The user noted that their Bobcat 753 F skid steer was experiencing rough running and excessive smoke emissions. This can affect both the performance and efficiency of the machine, as the engine struggles to maintain smooth operation. The smoking could indicate an underlying issue with the engine, fuel system, or other components that directly influence engine performance.
Potential Causes and Troubleshooting

1. Fuel System Issues
   The fuel system plays a significant role in the performance of any engine. If the fuel system is compromised, it can lead to rough running and excessive smoke. Here are a few things to check:
   • Contaminated or Bad Fuel: If the fuel has been contaminated with dirt, water, or other impurities, it can cause the engine to run poorly and produce smoke. Check the fuel for any discoloration or floating particles. If needed, replace the fuel and ensure that the tank and fuel lines are clean.
     
   • Clogged Fuel Filters: A clogged fuel filter can restrict the flow of fuel to the engine, causing it to run rough and produce smoke. Inspect and replace the fuel filter if necessary.
     
   • Faulty Fuel Injectors: If the fuel injectors are not working correctly, they can cause improper combustion, leading to smoking and rough engine performance. Test the injectors and replace them if they are clogged or malfunctioning.
     
2. Air Intake and Exhaust System
   The air intake and exhaust systems are vital to maintaining optimal engine performance. Blockages or issues in these systems can cause rough running and excessive smoke.
   • Dirty Air Filters: A clogged or dirty air filter can restrict airflow to the engine, causing inefficient combustion and rough running. Check the air filter and clean or replace it as needed.
     
   • Exhaust Blockages: A blocked exhaust system can lead to back pressure, affecting the engine's ability to expel gases, resulting in smoke and poor performance. Inspect the exhaust pipes and mufflers for any signs of blockages or damage.
     
3. Engine Oil Issues
   Engine oil plays an essential role in lubrication and cooling. If the oil level is low or the oil is old, it can lead to increased friction and overheating, causing the engine to run roughly and produce smoke.
   • Low Oil Level: Ensure the engine oil is at the recommended level. Low oil can cause friction, which results in overheating and smoking.
     
   • Dirty or Old Oil: Old or contaminated engine oil can cause improper lubrication and overheating. If the oil is dirty or has been used for too long, consider changing it and using the correct oil type for the machine.
     
4. Overheating Issues
   Overheating is a common cause of rough running and smoking. If the engine gets too hot, it can lead to poor combustion and excessive smoke.
   • Radiator and Cooling System: Check the radiator and cooling system for leaks or blockages. A clogged radiator can prevent the engine from cooling properly, leading to overheating.
     
   • Faulty Thermostat: A malfunctioning thermostat may cause the engine to overheat by preventing proper coolant flow. Replace the thermostat if it's faulty.
     
5. Compression and Engine Components
   If the engine's internal components, such as valves, pistons, or rings, are damaged, it can lead to rough running and excessive smoke.
   • Compression Issues: Low compression in the engine could be caused by worn-out piston rings or valves. A compression test can help determine if this is the case. If compression is low, the engine may need to be repaired or rebuilt.
     
   • Worn-out Engine Components: Other engine components, such as the timing belt, may wear out over time and cause rough running. Inspect these components for wear and tear and replace them if necessary.
     

1. Check Fuel System: Inspect the fuel for contaminants, replace the fuel filter, and check the injectors for any clogs or malfunctions.
   
2. Inspect Air Intake and Exhaust: Clean or replace the air filter and ensure there are no blockages in the exhaust system.
   
3. Check Oil Level and Condition: Verify the oil level and condition. Change the oil if it appears dirty or old.
   
4. Examine Cooling System: Check the radiator, hoses, and thermostat to ensure the engine is not overheating.
   
5. Compression Test: Perform a compression test to check the health of the engine and internal components.
   

Users of the CAT 246D skid steer loader have reported electrical system issues that affect certain functions of the machine. Specifically, some electrical functions fail to operate, and upon inspection, users have found wiring problems. These issues have led to operational inefficiencies and difficulties in performing tasks. Several users noted the need for a thorough check and repair of the electrical system.
Issue Analysis

1. Loose or Faulty Wiring
   A common cause of electrical issues is loose or poor connections in the wiring system. In environments with frequent use, wiring can loosen due to friction, corrosion, or vibration, which can result in electrical malfunctions.
   
2. Blown Fuses
   If there is an overload or short circuit in the electrical system, fuses may blow. Some users have reported frequent fuse failures, causing parts of the electrical system to stop working, and in some cases, preventing the machine from starting.
   
3. Faulty Control Modules
   A malfunctioning control module (such as the electronic control unit or ECU) could also contribute to wiring issues. A faulty control module might result in improper signal transmission, affecting the machine’s overall operation.
   
4. Battery Voltage Issues
   Low battery voltage or an aging battery can also affect the electrical system’s performance. Unstable battery voltage can prevent the electrical system from getting enough power, leading to failures in certain electrical functions.
   

1. Inspect Wiring Connections
   Carefully inspect all electrical wiring to ensure there are no loose, corroded, or damaged connections. Pay particular attention to the terminals and connectors to ensure secure contact and prevent malfunctions caused by poor connections.
   
2. Replace Blown Fuses
   If a fuse blows, first identify the cause—whether it’s due to an overload or short circuit. Replace the fuse with one that matches the appropriate rating, and test the system to ensure proper operation. If fuses blow repeatedly, further investigation is needed to identify and fix the underlying issue.
   
3. Check Control Modules
   Use diagnostic tools to check the health of control modules. Ensure that the control module is functioning correctly and there are no signal transmission issues. If a malfunction is detected, replace or repair the faulty control module.
   
4. Check Battery Voltage
   Verify that the battery voltage is within the normal operating range. If the battery is low or aging, consider replacing it to ensure stable voltage, which is critical for proper electrical system operation.
   

The 2012 Case TV380 is a highly regarded compact tracked skid steer loader, known for its powerful performance and flexibility, making it widely used in construction, agriculture, and municipal work. Many users have praised its capabilities and durability, though some have shared challenges they encountered during operation.
Pros

1. Powerful Performance
   The Case TV380 is equipped with a robust engine, providing ample power to tackle a variety of heavy-duty tasks. Whether handling heavy lifting or working in challenging terrain, this machine delivers exceptional performance and efficiency.
   
2. Efficient Hydraulic System
   The hydraulic system on the TV380 is quick and responsive, ensuring smooth operation and precise control during work. Many operators have noted that the hydraulic system allows for easier attachment changes, improving overall productivity.
   
3. Superior Track Design
   The track design of the TV380 offers excellent stability, especially in muddy or uneven terrain. Whether working on soft soil or slippery surfaces, the machine maintains good traction, preventing issues such as getting stuck or slipping.
   
4. Comfortable Operator Environment
   The cab is designed with operator comfort in mind, offering a spacious area and adjustable seating for long hours of work. The intuitive control panel further reduces operational complexity, allowing for efficient and easy handling.
   

1. High Maintenance Costs
   Some users have pointed out that while the TV380 offers great performance, its maintenance costs can be relatively high. Regular inspections and frequent part replacements may add financial strain, especially for those with tighter budgets.
   
2. Higher Fuel Consumption
   Compared to similar models, the TV380 tends to have higher fuel consumption. This could impact users who require long hours of operation, especially when fuel prices rise, making fuel costs a more significant concern.
   
3. Hydraulic System Issues
   A few users have reported issues with the hydraulic system, including leaks or sluggish performance after prolonged use. While these problems are not widespread, when they do occur, repairs can be expensive.
   

On the panswork forum, a user reported issues with their Bobcat S220 skid steer, which was running rough and emitting smoke. The machine’s performance had degraded, leading to concerns about potential engine or system failures. Below is a breakdown of the potential causes, troubleshooting steps, and solutions suggested by the community.
Problem Description
The Bobcat S220 skid steer was exhibiting two primary symptoms: rough running and excessive smoke. The user noted that the engine wasn’t operating smoothly, and the smoke was particularly noticeable during operation, leading to a potential issue that required attention.
Potential Causes and Troubleshooting

1. Fuel System Issues
   One of the first things to check when a machine is running rough and smoking is the fuel system. Common problems include:
   • Clogged Fuel Injectors: If the injectors are clogged or not functioning properly, it can cause rough running and excessive smoke. Cleaning or replacing the injectors could resolve this issue.
     
   • Fuel Quality: Poor-quality or contaminated fuel can lead to improper combustion, causing both rough running and smoking. Ensure the fuel is clean and free from contaminants.
     
   • Fuel Filter: A clogged or dirty fuel filter can restrict fuel flow, leading to rough engine performance. Replacing the fuel filter might solve the issue.
     
2. Air Intake Problems
   The user also suggested that air intake issues could be causing the rough running and smoking. Restricted airflow due to a clogged air filter or malfunctioning air intake components can cause improper combustion and lead to smoke. Check the air filter for clogs and replace it if necessary. Additionally, ensure the air intake system is clear of any debris.
   
3. Oil Contamination or Low Oil Levels
   Another potential cause for the smoke could be oil-related issues. If the oil is overfilled, contaminated, or if it’s too thick (especially in cold weather), it can cause excessive smoke and poor engine performance. Check the oil levels, quality, and condition. Changing the oil and ensuring the correct type of oil is used can resolve the issue.
   
4. Exhaust System Blockage
   A blocked exhaust system can also lead to poor engine performance and smoking. If there’s a build-up in the exhaust system, it can cause back pressure, resulting in rough running and excessive smoke. Inspect the exhaust for any obstructions or damage.
   
5. Overheating Engine
   Overheating is another cause for rough engine performance and smoking. If the engine is running too hot, it can cause the oil to break down and produce smoke. Ensure that the cooling system is functioning properly. Check the radiator, coolant levels, and ensure there are no blockages preventing proper cooling.
   

• Inspect the Fuel System: Begin by checking the fuel quality, replacing the fuel filter, and cleaning the fuel injectors.
  
• Check the Air Filter and Intake: Inspect the air filter for any obstructions and replace it if necessary. Also, ensure the intake system is clear.
  
• Examine the Oil: Check the oil for contamination or overfilling. Change the oil if it appears thick or dirty, and ensure the correct oil type is used.
  
• Inspect the Exhaust System: Check the exhaust for blockages or restrictions that could cause back pressure and affect engine performance.
  
• Cooling System Check: Ensure the cooling system is functioning properly by checking the coolant levels and inspecting the radiator for clogs.
  

On the panswork forum, a user encountered a challenge with installing a wired GPS system on the Takeuchi TL12R compact track loader. The issue primarily revolves around how to properly connect the GPS system to ensure accurate tracking and job management. Below is a summary of the installation process, including user suggestions and steps.
Problem Description
The user wanted to install a wired GPS system on the Takeuchi TL12R to enhance job site monitoring and data collection. However, since the machine did not have a pre-existing GPS connection port, the user faced the dilemma of how to properly integrate the wired GPS system into the machine.
Installation Steps

1. Choose the Right GPS Device
   The first step is selecting a GPS device that is compatible with compact construction machinery. It is important to choose a GPS system that supports the TL12R and comes with the necessary installation accessories.
   
2. Plan the Power Connection
   For a wired GPS installation, it is crucial to connect it to the machine’s electrical system. The GPS device will typically require a stable 12V power supply. Identify the appropriate power input terminals by consulting the machine’s electrical wiring diagram. During installation, ensure that the power cables are routed properly to avoid interference with other electrical components.
   
3. Select an Appropriate Mounting Location
   Choosing the right location for mounting the GPS device is key. It should be installed in a spot that is safe from damage yet provides an optimal satellite signal reception. Based on user feedback, mounting the GPS on top of the cab or near the operator’s seat tends to offer the best signal.
   
4. Connect Signal Wires and Sensors
   In addition to the power cable, GPS systems usually require signal wires and sensors. Ensure all wiring is securely connected and protected from being exposed to hydraulic lines or high-temperature areas. Proper wiring will ensure stable data transmission and avoid interference.
   
5. Software Setup and Calibration
   After installation, the GPS device must be configured via its software. Calibration is essential to ensure the system accurately tracks the machine's location. Follow the manufacturer's instructions to complete this process. Double-check the settings to ensure compatibility with the loader’s other systems, such as the monitoring or data collection systems.
   

• Cable Protection: Ensure that all cables and signal wires are protected to prevent wear or exposure to extreme conditions.
  
• Waterproofing: Opt for a waterproof and durable GPS system, especially when working in harsh weather conditions.
  
• System Compatibility: Before purchasing a GPS device, verify that it is compatible with the Takeuchi TL12R’s control systems to avoid issues during installation.
  

Users of the Bobcat T750 skid steer loader have reported an ongoing issue with the fuse blowing repeatedly. Every time the machine is operated, the fuse blows, causing the equipment to stop functioning. This issue not only disrupts the workflow but also increases maintenance costs. Multiple users have expressed frustration with this problem, especially during high-load operations.
Cause Analysis

1. Electrical System Short Circuit
   Repeated fuse blowing is often caused by a short circuit in the electrical system. If a component within the system malfunctions, it can cause an overload of current, resulting in the fuse blowing.
   
2. Worn or Loose Wiring
   Worn, aged, or poorly connected wires are also common culprits for fuse failure. Over time, wires can wear out, become exposed, or suffer from environmental damage, causing unstable current flow and blowing the fuse.
   
3. Faulty Electrical Components
   If electrical components such as relays, contactors, or switches fail, they may cause an excessive current draw, leading to fuse burnout.
   
4. Incorrect Fuse Rating
   Using a fuse that doesn’t match the required specifications for the equipment can cause it to blow frequently. A fuse with too small a rating may not be able to handle the normal current load of the machine.
   

1. Inspect the Electrical System and Wiring
   Perform a thorough inspection of the electrical system, looking for any short circuits or damaged wires. Ensure that all connections are secure and free from corrosion. Replace or repair any damaged wires found during inspection.
   
2. Check Electrical Components
   Inspect relays, contactors, and other electrical components to ensure they are functioning properly. Any faulty components should be replaced promptly.
   
3. Verify the Fuse Rating
   Ensure that the fuse used matches the specifications outlined for the Bobcat T750. Refer to the equipment manual for the correct fuse rating to prevent overload issues.
   
4. Consider Installing Overload Protection
   To prevent future fuse blowing issues, consider installing an overload protection device in the electrical system. This can help prevent excessive current draw and damage to the system.
   

Operators using the John Deere 326E and 333G skid steers have reported that the quick attach pins tend to stick, causing operational difficulties. Many have mentioned that the pins get stuck during installation and removal, especially when the equipment has not been properly maintained for an extended period. This issue not only affects operational efficiency but could also prevent the quick attach from securely connecting, compromising the safety of the work.
Cause Analysis

1. Lack of Lubrication
   Due to environmental factors or long periods without proper lubrication, friction between the pins and the attachment increases, causing them to get stuck.
   
2. Dirt and Corrosion Build-Up
   Over time, dirt, mud, or moisture can enter the attachment area, leading to pin corrosion and sticking. This problem is especially common in wet or dusty working environments.
   
3. Part Wear and Tear
   Prolonged use of the pins and attachment without timely replacement or maintenance can result in excessive wear, which can also lead to jamming.
   

1. Regular Lubrication
   Regular lubrication of the quick attach pins and attachment parts can effectively reduce friction and prevent sticking. Use suitable lubricants or grease to ensure even coverage.
   
2. Cleaning and Maintenance
   After each use, clean the attachment area of dirt and debris to prevent the accumulation of foreign materials. Use compressed air or brushes to clean the pins and attachment to avoid corrosion.
   
3. Inspect and Replace Worn Parts
   Regularly inspect the pins and attachment for signs of wear. Replace any severely worn parts to ensure smooth operation.
   
4. Use of Corrosion Inhibitors
   Applying corrosion inhibitors to the pins and attachment, especially when working in wet or harsh conditions, can effectively prevent corrosion.
   

On the panswork forum, a user reported an issue with their Bobcat T770, where the equipment displayed "AUX NO COM" and "MAIN NO COM" codes, indicating a loss of communication between the auxiliary and main control systems. This issue led to the machine being unable to function properly. Here is a summary of the problem, its possible causes, and potential solutions.
Problem Description
The user noticed that when operating the Bobcat T770, the display showed “AUX NO COM” and “MAIN NO COM” codes, meaning there was no communication between the auxiliary control system and the main control system. This typically points to a communication breakdown within the machine's electronic control systems, which affects its functions and operation.
Possible Causes

1. Communication Line Fault
   The most common cause of communication failure is a fault in the communication lines. There may be a broken, loose, or interfered connection between the control modules and the equipment. Poor or damaged connections can result in communication failure, triggering the error codes.
   
2. Low Battery Voltage
   Low battery voltage or insufficient power can cause the equipment's electrical control system to malfunction, which can lead to communication failure. If the voltage is unstable, it will affect the control system's operation, causing the "no communication" error.
   
3. Faulty Control Module
   If the main control module (ECM) or the auxiliary control module (AUX ECM) in the Bobcat T770 fails, it can result in a communication breakdown. A damaged or malfunctioning control module may not be able to exchange data with other systems, leading to the “no communication” error codes.
   
4. Software or Firmware Issues
   In some cases, incorrect software or firmware updates can cause issues with the control system's operation. Incompatible versions or incorrect system configurations might disrupt communication.
   
5. Sensor or Connector Issues
   Sometimes, a sensor or connector issue in the control system can cause communication failure. If a sensor stops working or a connector becomes loose, it can affect the signal transmission, leading to the communication error.
   

1. Inspect Communication Lines and Connections
   First, check all communication lines between the main control module and the auxiliary control module. Ensure that the cables are securely connected and free from corrosion or damage. If there are any issues with the lines, repair or replace them as needed.
   
2. Check Battery Voltage and Power Supply
   Measure the battery voltage to ensure it is sufficient. If the voltage is too low, charge the battery or replace it. Ensure that the power supply system is stable to prevent voltage fluctuations from affecting the equipment’s performance.
   
3. Check the Control Modules
   If the communication lines and battery are fine, inspect the main and auxiliary control modules. Use a diagnostic tool to read the fault codes from the control modules and check for any hardware issues. If a module is found to be faulty, it may need to be replaced or repaired.
   
4. Update Software and Firmware
   If the issue is related to software or firmware, try reinstalling or updating the software and firmware of the control system. Ensure that all system versions and configurations are compatible with the machine.
   
5. Check Sensors and Connectors
   Inspect all sensors and connectors in the control system to ensure they are not damaged, loose, or corroded. If any issues are found, clean or replace the faulty components.
   

In the process of repairs and troubleshooting, wiring diagrams are crucial for accurately locating issues. For the CAT 246B skid steer, many users rely on wiring diagrams when dealing with electrical system failures. This article discusses a user’s request for a wiring diagram and the solutions available to obtain it.
Problem Description
A user encountered an electrical system issue with their CAT 246B skid steer and needed the wiring diagram to diagnose the problem accurately. Due to the complexity of the electrical system, having a detailed wiring diagram is essential for troubleshooting and repair. The user could not find the appropriate wiring diagram and turned to the forum for assistance.
Solutions

1. Obtain the Official Service Manual
   CAT offers comprehensive service manuals that include wiring diagrams and troubleshooting guides. Users can obtain these manuals through the CAT website or authorized dealers, which contain detailed electrical system diagrams for the equipment.
   
2. Online Resources and Community Assistance
   In addition to official manuals, various third-party websites and forums, such as Heavy Equipment Forums, provide wiring diagrams and repair manuals for different machines. Users can seek help from other experienced repair professionals or access shared resources on these platforms.
   
3. Contact Dealers or Service Centers
   If users are unable to find suitable wiring diagrams online, contacting a local CAT dealer or service center is another effective route. These service centers usually offer technical support and can provide the required wiring diagrams to assist users with their repairs.
   
4. Use Diagnostic Tools for Troubleshooting
   In addition to wiring diagrams, modern skid steers are equipped with diagnostic tools. Users can utilize these tools to perform a full electrical system check and diagnose potential faults. These professional diagnostic tools can help quickly pinpoint electrical issues, reducing repair time.