I am new to operating excavators but I am eager to learn more. My family's construction company owns a JCB JS175W excavator that experienced a malfunction with its forward and reverse functions three years ago. Despite being advised by a mechanic to repair the gearbox, multiple inspections revealed no issues. As a result, the excavator has been sitting unused. I have been diligently studying the extensive 800-page manual in hopes of troubleshooting the issue. While the excavator starts up smoothly and operates well in terms of digging, it is unable to move forward or backward. I plan to share a video of the machine in action in hopes of receiving assistance. Any insights or advice would be greatly appreciated. Thank you for your help.
If your telehandler is experiencing the same issue, it might be a faulty shifter causing the problem. I recommend checking the shifter first before inspecting the gearbox as a last resort after thoroughly troubleshooting other potential issues.
It could be a straightforward issue - have you checked if the parking brake is engaged? My suspicion is that it may be an electrical issue.
I recently encountered a similar issue with my telehandler, which was ultimately caused by a faulty shifter. If you're experiencing problems with your telehandler, I recommend starting by inspecting the shifter. It's important to troubleshoot all other possible issues before moving on to the gearbox. It's worth noting that some models, like my JCB, may not have a specific shifter - only gas and reverse pedals.
Doomavk mentioned that their JCB does not have a shifter, only gas and reverse pedals. How can the transmission be engaged on this type of equipment?
skata asked for guidance on engaging the transmission. To do so, simply pull the lever down and press the pedal forward for forward movement. To reverse, press the pedal with your heel. Additionally, skata mentioned that the parking brake light is continuously blinking. What steps should be taken to address this issue?
Answer: The issue could potentially be related to the gearbox, hydraulic system, control mechanism, or electrical components. Further diagnostics and inspections may be needed to pinpoint the exact cause.
Answer: You may need to check the hydraulic lines for leaks, inspect the control levers and switches for proper functionality, and ensure that the electrical connections related to the transmission system are secure and intact.
Answer: The 800-page manual likely contains detailed information on troubleshooting various issues. Look for sections related to the transmission system, controls, and troubleshooting common problems for guidance on resolving the forward and reverse malfunction.
Answer: Given the complexity of excavator systems, it may be beneficial to consult with a specialized mechanic or technician who has experience with JCB excavators. They can offer expert insight and guidance in resolving the malfunction effectively.
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