Ql Bow Thruster Manual 2021 · Genuine & Instant

| Part | Function | |------|-----------| | | 12V or 24V DC reversible electric motor | | Gearbox | Sealed, oil-filled (reduces speed, increases torque) | | Propeller | 4- or 5-blade in a tunnel | | Control panel | Joystick or momentary switches (port/starboard) | | Solenoids / Contactor | High-current switching for direction | | Battery & Cables | Heavy-duty (e.g., 70–95 mm²) |

Check if the solenoid clicks when the button is pushed. Replace if dead. Thermal overload tripped. Ql Bow Thruster Manual

: Use a drawing tool to mark the tunnel hole on the interior of the hull first to ensure there is enough vertical space for the thruster motor. | Part | Function | |------|-----------| | |

What or mechanical failures are you currently facing? Do you know the diameter of your hull tunnel ? : Use a drawing tool to mark the

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A common mistake is mounting the propeller backwards. The QL manual includes a clear diagram: The propeller’s curved side should face the direction of thrust. Many models use a left-hand or right-hand rotation specific to the tunnel orientation.