Beka indandatho yepiston isicaba kusilinda, phusha iringi ibe flat ngepiston endala (uma ushintsha iringi ukuze ilungiswe kancane, yiphushele endaweni lapho iringi elandelayo ihamba khona iye endaweni ephansi), bese ukala igebe lokuvula ngogqinsi. igeji.

Uma igebe lokuvula lincane kakhulu, sebenzisa ifayela elihle ukuze ufake kancane ekugcineni kokuvula. Ukuhlolwa okuvamile kufanele kwenziwe ngesikhathi sokulungiswa kwefayela ukuze kuvinjwe ukuvuleka kungabi kukhulu, futhi ukuvulwa kufanele kube flat. Uma ukuvuleka kweringi kuvaliwe ukuze kuhlolwe, akumele kube khona ukuchezuka; isiphetho esifakiwe kufanele singabi nama-burrs.

Hlola i-backlash, faka indandatho ye-piston ku-groove eyindandatho bese uyizungezisa, futhi ulinganise igebe ngegeji yokuqina ngaphandle kokukhipha iphinikhodi. Uma imvume incane kakhulu, faka indandatho yepiston epuleti eliyisicaba elimbozwe ngendwangu ye-emery noma ipuleti lengilazi elimbozwe nge-sand valve bese ugaya ube mncane.

Hlola i-backlash bese ufaka indandatho ye-piston emgodini wendandatho, indandatho iphansi kune-groove bank, ngaphandle kwalokho i-groove ring kufanele iguqulwe ibe yindawo efanele.