TMD121C; TAMD121C; TAMD121D; TAMD122C; TAMD122D Electrical System Main Battery Switch Parts on group Main Battery Switch: Pos. Part No Qty Parts name Comments 1. 870980 [1] Main switch Replaced by 1140319 2. 3. 243700 [1] Handle Replaced by 1140319 4. 971071 [2] Hexagon nut 5. 1140319 [1] Battery main switch 6. 7. 1140427 [1] Cock handle 8. 1140428 [2] Washer 9. 17602 [4] Hexagon nut Parts catalog : Oil Level Guard, 12V Extra Panel 24V, Turbo Press, Oil Press, Reverse Gear Extra Panel 24V, Rudder Indicator, Tank Gauge. Classifiable Instr. Panel for Twin Engine Install. Mirror-Invert Tank Meter Kit for Fuel and Fresh Water, 12V: FRESH WATER Tank Meter Kit for Fuel and Fresh Water, 12V: FUEL Electrical Materials Electrical Materials Electrical Materials