The prevention In order to avoid breakages of cutting edges and development jamming it is necessary to limit the moment put to development. It is preliminary necessary to clear carefully apertures of plugs of a deposit and resinous adjournment. Not to press strongly on development.
Valves with the increased diameter of a core can be established in the Engine at factory. Plugs and valves with увеличенны ми have in the sizes special marks (fig. Expansion of apertures of plugs see). |