1. Pamene kudula pamwamba pa nkhuni kumakhala kovuta, kumayamba chifukwa cha kuuma kwa tsamba la macheka. Iyenera kudulidwa pakapita nthawi, koma musasinthe mbali yoyambira ya tsamba la macheka kapena kuwononga mphamvu yosinthira. Osakonza dzenje loyikapo kapena kukonza mkati mwawokha. Mukapanda kuyikonza bwino, imakhudza kugwiritsa ntchito tsamba la macheka ndipo ikhoza kuyambitsa ngozi. Osakulitsa dzenjelo kuposa 2 cm kupitirira dzenje loyambirira, apo ayi zidzakhudza kuchuluka kwa tsamba la macheka.
2. Njira zodzitetezera: Ngati macheka sagwiritsidwa ntchito kwa nthawi yaitali, machekawo ayenera kupachikidwa, kapena akhoza kuikidwa pansi pogwiritsa ntchito dzenje lamkati, koma palibe zinthu zolemera zomwe zingathe kuikidwa pazitsulo. Tsamba la macheka liyenera kuyikidwa pamalo owuma ndi mpweya wabwino, ndipo chisamaliro chiyenera kuperekedwa ku chinyezi ndi kupewa dzimbiri.
Tsamba la macheka ndilo gawo lalikulu la makina opangira matabwa. Ubwino wa tsamba la macheka udzakhudza mwachindunji magwiridwe antchito a makina onse. Ngati tsamba la macheka limakhala lopanda phokoso, ntchito yokonzekera imakhala yochepa kwambiri.