Written by : Nick
04-06-2024
Repairing and Adjusting Aprimatic Hydraulic ZT4B Motors with T11 Controller
Today, I encountered an issue with the Aprimatic hydraulic ZT4B motor. This 230v motor was failing to close tightly. It could be easily moved by the wind, causing it to flap against the stopper.
Initial Inspection
First, I checked the T11 controller for visible insect damage. Controllers can often malfunction due to insects nesting inside. Next, I inspected the capacitors.
Checking for Oil Leaks
With hydraulic motors, it’s crucial to check for oil leaks. If you find oil under the motor, it indicates a broken seal. Some technicians top up the oil to make it work temporarily, but this is not a long-term solution. A leak means the seal is broken. The best approach is to take the motor to a supplier for complete refurbishing. The motor is fully sealed and filled with oil that pumps back and forth. Over time, rubber seals can wear out.
No Leaks Found
In my case, there were no leaks. However, the motor could still be moved by hand in its working mode. This indicates that the motor isn’t holding any oil pressure due to worn-out seals and valves.
Adjusting the Pressure
You can try to increase the motor pressure by turning the silver and gold control valves clockwise. However, this adjustment can increase the motor’s torque while moving.
Long-Term Solutions
If the motor doesn’t stay in place in the closed or open position, refurbishing the motor is the best solution, especially if it’s older than 10 years. For newer motors, you can install a magnetic or strike lock to hold the motor in place when closed or open.
Conclusion
By following these steps, you can effectively address common issues with the Aprimatic hydraulic ZT4B motors. Always prioritize checking for visible damage and oil leaks first. Adjusting the pressure valves can provide a temporary fix, but long-term reliability often requires refurbishing the motor. For professional assistance, trust Sesame Gate Automation to deliver quality repair, maintenance, and installation services.
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Repairing and Adjusting Aprimatic Hydraulic ZT4B Motors with T11 Controller