A Bit too easy!
here is what you do - after getting all stuff - incl winched up rope, join hook and rope . put paper in boiler light boiler, pick up funnel, combine black tube bottle and funnel, go to car use bottle on petrol cap fill crane tank, crow bar big tank 3 times go down and right pick up black fan put on to fallen basket thing go up use crane then go right click on basket now on rope and swing across look at code click on door lock enter code text style!