JVC 335 - Manual (Page 15)

Model 335 Supplement 15
5. Carefully remove the Ignitor Assembly, being cautious not to
lose the spacers that are under the board holes. When
replacing the Ignitor Assembly, it will be easier to keep the
spacers stationary by placing a small amount of super glue
under them prior to replacing the Ignitor Mounting Board.
Replace the Ignitor Assembly in reverse order. When replacing
the cables, make sure the negative cables go on first and that the
positive cable to the front of the Ignitor Assembly is placed “over”
them-otherwise the point where they cross over each other will get
in the way of the fan when the front cover is replaced.