Mawonekedwe
Mapangidwe a 1. Full-bore bwino amathetsa kutsika kwamphamvu ndi mafunde a eddy ndikuchepetsa tinthu tolimba mumadzimadzi.
kuthamanga kwa valves;
2.Mapangidwe apadera osindikizira, kotero kuti torque yosinthira imachepetsedwa kwambiri;
3.Zisindikizo zazitsulo zimapangidwa pakati pa bonnet ndi thupi la valve, mbale ya valve ndi mphete ya mpando wa valve;
4.Metal kusindikiza pamwamba kutsitsi (zokuta) kuwotcherera simenti carbide, ndi kukana bwino kuvala, kukana dzimbiri;
5.Mphete yapampando imakhazikitsidwa ndi mbale yokhazikika kuti ikhale yokhazikika;
6. Tsinde lili ndi makina osindikizira osinthika kuti athandizire kusintha kwa mphete yosindikiza tsinde ndi kukakamiza.