N_031.mp4 May 2026

The angle sensor ensures the crane's boom is at the correct pitch for safe lifting.

: If replacing the system chip, ensure the notch faces the correct direction to avoid frying the board. n_031.mp4

: Check the angle display at 20°, 45°, and 70°. The display must be within ±0.5 degrees of the inclinometer reading. The angle sensor ensures the crane's boom is

: Connect a voltmeter to the main board (Black to MP15 , Red to MP4/MP5 ). Adjust potentiometers P4 or P5 to reach exactly 0.500V (500mV) . The display must be within ±0

: Lower the boom completely to remove rest pressure. Disconnect hydraulic hoses.

: Remove old wires from the terminal block and connect the new assembly.

: Fully retract the boom. Turn the potentiometer counter-clockwise until it stops to reset the "zero" point.