Ql Bow Thruster Manual [2021] Jun 2026

This is the heart of the manual. QL thrusters use a reversing contactor (relay) system. The schematic shows:

| Component | Function | |-----------|----------| | | Electric motor (12/24V), mounted above tunnel | | Propeller | Fixed-pitch, inside tunnel | | Tunnel | Transverse tube through hull | | Control panel/Joystick | Helm station control | | Solenoid/Relay | Switching high current to motor | | Battery cables | Heavy-gauge (e.g., 50mm² or 2/0 AWG) | | Fuse/Circuit breaker | Overcurrent protection | | Seals | Prevent water ingress to motor | Ql Bow Thruster Manual

: All hull penetrations must be properly sealed with marine-grade sealant and rubber grommets to ensure a watertight fit. This is the heart of the manual