Zoomlion GJ-1 Overwind Protection Switch ndi gawo lofunikira lachitetezo pazida zonyamulira. Chingwe chikafika pamalo ake apamwamba, chosinthiracho chimayambitsa nthawi yomweyo kudula dera lowongolera, kuteteza ngozi zazikulu monga kusweka kwa waya wachitsulo kapena kugwa kwa mbedza chifukwa cha kupindika.

GJ-1 Anti-Overwinding Switch ndi chipangizo chotetezera chitetezo chomwe chimapangidwira makamaka zida zonyamulira uinjiniya, zomwe zimagwiritsidwa ntchito kwambiri pokweza makina onyamula zida zam'manja, zokwawa, ndi makina ena ofanana. Zimayambitsa basi pamene mbedza kufika preset kumtunda malire udindo, kudula magetsi kuteteza zida kuwonongeka ndi ngozi ngozi chifukwa cha waya chingwe overwinding. Ndi gawo lofunikira pakuwonetsetsa kuti ntchito zonyamulira zikuyenda bwino.

GJ-3 Overwind Limit Switch ndi chipangizo choteteza chitetezo chomwe chimapangidwira zida zonyamulira. Ntchito yake yayikulu ndikuletsa ngozi monga kupitilira kwa waya, kusweka, kapena kuwonongeka kwa zida zonyamulira zomwe mbedza zimadutsa malire ake apamwamba. Yokhala ndi nyumba yachitsulo komanso makina oyambitsa makina, imapereka yankho lachidziwitso, kukonzanso kosavuta, komanso magwiridwe antchito odalirika, ndikupangitsa kuti ikhale gawo lofunikira lachitetezo pamachitidwe okweza mafakitale.