6.1. Replacement of spark plugs


We remove a spare wheel.
We remove a wire tip from a candle.

High head "on 21" (or a candle key) we turn out a spark plug.

We roll a candle in a carving opening of a head of the block of cylinders, …

… at first наживив it by hand, …

… and then a candle key having tightened the ordered moment (see the Moments of an inhaling of threaded connections).