Tabbatar da hanyoyin haɗin rawaya guda 3 akan sarkar lokaci. Sanya sarkar lokaci da crankshaft sprocket. Mahadar rawaya ta farko tana daidaita alamar crankshaft sprocket. Lura: Akwai hanyoyin haɗin rawaya guda uku akan sarkar lokaci. Biyu daga cikin hanyoyin haɗin rawaya (tare da bambancin hanyoyin haɗin gwiwa 6) sun daidaita tare da alamun lokacin ci da shaye-shaye na camshaft.

Lokacin da saurin injin ɗin ya faɗi, mai canza bawul mai sarrafa lokaci yana faɗuwa, sarkar na sama tana kwance, kuma ƙaramar sarkar tana aiki akan jujjuyawar cam ɗin da mai sarrafa ya yi ƙasa. Saboda camshaft na shayewa ba zai iya jujjuya hannun agogo baya a kan aikin bel ɗin lokaci na crankshaft, camshaft ɗin ci yana ƙarƙashin haɗuwa da ƙarfi guda biyu: ɗaya shine cewa jujjuyawar yau da kullun na camshaft ɗin shaye-shaye yana motsa ƙarfin ja na ƙananan sarkar; ɗayan kuma shine Mai sarrafa na'ura yana tura sarkar kuma yana watsa ƙarfin ja zuwa kyamarar shaye-shaye. camshaft ɗin abin sha yana jujjuya ƙarin kwana θ agogon agogo, wanda ke hanzarta rufe bawul ɗin ci, wato, bawul ɗin ɗaukar ƙarshen kusurwar rufewa yana raguwa da digiri θ. Lokacin da saurin ya karu, mai sarrafawa ya tashi kuma ƙananan sarkar yana annashuwa. Kamfuta na shaye-shaye yana juya agogon hannu. Da farko, dole ne a ƙara ƙaramar sarkar don zama madaidaicin gefen kafin a iya kora camshaft ɗin ci don juyawa ta hanyar camshaft ɗin shaye-shaye. A cikin aiwatar da ƙananan sarkar zama sako-sako da kuma m, shaye camshaft ya juya ta cikin kusurwar θ, cam ɗin ci ya fara motsawa, kuma rufe bawul ɗin ci ya zama jinkirin.

Mai zuwa shine koyaswar shigarwa na sarkar lokaci:
1. Da farko daidaita alamar lokaci akan camshaft sprocket tare da alamar lokaci akan murfin ɗaukar hoto;
2. Juya crankshaft domin piston daya Silinda ya kasance a saman matattu cibiyar;
3. Shigar da sarkar lokaci don alamar lokaci na sarkar ya daidaita tare da alamar lokaci akan camshaft sprocket;
4. Shigar da sprocket na famfon mai don alamar lokaci na sarkar ya daidaita tare da alamar lokaci akan sprocket famfo mai.