MD2010-C; MD2010-D; MD2020-C; MD2020-D; MD2030-C; MD2030-D; MD2040-C; MD2040-D; 120S-D; 120S-E Electrical System Main Battery Switch MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D 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 : Clock Kit MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D Rudder Indicator Kit for Reverse Gear MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D Instrument Panel 12V MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D Extra Instrument Panel, Hour Meter and Volt Meter MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D Extra Instrument Panel MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D Instrument Panel Standard, with Key Switch MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D Exhaust Thermo Switch Control MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D Tank Meter Kit for Fuel MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D Tank Meter Kit for Fuel MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D Alarm Panel MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D Tank Meter Kit for Fresh Water MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D Electrical Materials MD2010-C, MD2010-D, MD2020-C, MD2020-D, MD2030-C, MD2030-D, MD2040-C, MD2040-D