I recently acquired a Clark GPS30 for repair, but encountered a locked-up motor which made it difficult to remove the torque converter from the flywheel. After some effort, I managed to remove the converter and noticed a gear at the end that appeared to be driving a chain. Upon inspection, I found a broken bearing cage and roller bearing, not a ball bearing. I also removed the seal. It was not as straightforward as I thought it would be, resembling a car where the converter would simply slide out. Do I need to remove the transmission for the repair? Any advice would be appreciated. Thank you, Daniel Cross.
Daniel Hyster encountered an issue with his Clark GPS30 forklift where the motor was locked up, making it difficult to unbolt the torque converter from the flywheel. Despite facing challenges, he was able to remove the converter and discovered a gear that seemed to be driving a chain. Upon further inspection, he found a broken bearing cage and roller bearing, as well as removed the seal. This unexpected complication led him to question if he needed to remove the transmission to fix the issue. Daniel is seeking assistance and asked for the complete model/serial number sequence from the data plate in hopes of finding a solution.
Thank you for your assistance. The serial numbers are GP138MC-0110-6420FA 9490. I may need to remove the mast and transmission in order to address the issue with the timing chain links. It appears that the main bearings were incorrectly installed, leading to restricted oil flow to the rod bearings, causing the #4 rod bearing to spin. The forklift had undergone a "reman" process, as indicated by the rebuilt tag and fresh paint job. The back of the transmission seems reluctant to return to its original position - is this a common issue? Your insights are much appreciated. Daniel.
Daniel Hyster expressed gratitude for assistance with identifying parts on a forklift, including the GP138MC-0110-6420FA and 9490 numbers. He mentioned the need to replace timing chain links, bearings, and seals due to a spun #4 rod bearing and incorrectly installed main bearings. The forklift, which had been remanufactured, showed signs of fresh paint and a new seat. Daniel sought clarification on the operation of the chain that drives the pumps off the converter. Additionally, he inquired about the difficulty in repositioning the back of the transmission. It was noted that on older trucks, the trans/diff housing may pivot on the frame mountings, causing it to hang down. Using a come-along to keep it level during engine removal is recommended. There is no immediate need to delve into the transmission. Before proceeding, it was advised to inspect the T/C to flywheel mounting plate and provide pictures for further evaluation. The older truck likely features a flanged gear for the trans charging pump, rather than a chain mechanism. It was advised to focus on repairing the engine first before addressing other issues. Research will be conducted for additional insight.
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The visible chain and misplaced green seal indicate there was no tampering with the flex plate. Thank you.
Answer: Answer: If you encounter a locked-up motor and a stuck torque converter on your Clark forklift, it is essential to carefully assess the situation. You may need to apply sufficient force, utilize appropriate tools, and possibly remove other components for better access.
Answer: Answer: When removing a torque converter from a Clark forklift with a locked-up motor, it is crucial to inspect the gear at the end of the converter, the driving chain, bearings (particularly the bearing cage and roller bearings), and the seal. Make sure to check for any damages or wear that may require repair or replacement.
Answer: Answer: Depending on the severity of the issue, you may or may not need to remove the transmission for repairing a locked-up motor and stuck torque converter on a Clark forklift. It is recommended to consult the forklift's manual or seek professional advice to determine the best course of action for your specific situation.
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