[ ] Close the two valves to the drains of the steering area (in engine compartement)
[ ] Close the valve for the coolant water intake (under filter)
[ ] Open coolant water filter. Slowly pour one kettle full of boiling water onto its lid and then unscrew it
[ ] Replace coolant water in engine with glycol (10L, pour into filter while engine is running, turn engine off immediately when bucket is empty)
[ ] Pour some glycol in
[ ] Drains in steering area
[ ] Kitchen sink
[ ] Toilet (pump a bit afterwards)
[ ] Disconnect and move solar panels onto the main cabin roof
[ ] Fix booms using boomscissors on the steering cabin roof
[ ] Remove all loose ropes
[ ] Remove sails
[ ] Remove navigation computer, books and maps
[ ] Raise booms and build roofing structure with slats of wood
[ ] Cover boat in tarps
[ ] Fix the heating fan with straps somewhere on the kitchen bench and connect it to a timer. Set it to lowest temperature (but still warming), and to run for 15mins every other 15mins.
[ ] Connect bilge heating cable
[ ] Make sure the isolation transformer is directly connected to outside power, without a power board in between