Calco 8219 M2 Trim Servo

The Calco 8219‑M2 is a 28 V, 1 A electromechanical trim actuator (servo) commonly used for rudder or cowl flap control in aircraft and industrial applications. Typical failure modes include motor winding insulation breakdown, bearing wear or seizure, loss of electrical contact at the input terminals, and degradation of the internal feedback sensor. First‑check diagnostics should verify that the 28 V supply is within spec and stable, inspect the actuator housing for corrosion or mechanical damage, and test the control signal and return current with a multimeter or oscilloscope to confirm proper operation before proceeding to disassembly or component replacement.[oss-gpt-20b] Post Comment

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