Magudumu amagalimoto ayenera kukhala odalirika kwambiri komanso moyo wautali chifukwa cha ntchito zake zapadera
Kulemera kwakukulu kwa katundu ndi kuuma kwakukulu kwa mphindi : Mapiritsiwo ali ndi mizere iwiri ya angular kukhudzana ndi mpira.Chifukwa chake imalimbana kwathunthu ndi mphindi zomwe zimayikidwa pa gudumu panthawi yokhota kapena kugundana.
Kuphatikizika kwakukulu komanso kusindikiza kwakukulu: Palibe chifukwa cha magawo monga ma spacers, motero kuchepetsa kufunika kwa malo axial.Choncho ma axles olimba kwambiri komanso amfupi angagwiritsidwe ntchito.Kuchuluka koyenera kwamafuta apamwamba kumakonzedweratu m'mabere.Mitundu yosindikizidwa imateteza matope, imasunga madzi komanso imatsikira popanda kugwiritsa ntchito zisindikizo za shaft.