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Mr. Jeffrey LambJul 27, 2025
How to troubleshoot a JLG Lifting Systems that won’t shift or is slow to start?
- JJames PhillipsJul 27, 2025
If your JLG Lifting System won’t shift or is slow to start, it could be due to obstructed or restricted flow through the servo control signal lines, which could result in slow shift or no shift motor conditions. Ensure the signal lines are not obstructed or restricted and that the signal pressure is adequate to shift the motor. Also, supply and drain orifices determine motor shift, and obstruction increases shift times. Ensure proper control orifices are installed in the motor and are not obstructed; clean or replace them if necessary.
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