Umthamo onzima wangaphambili ongasebenziyo uyafuneka kubakhweli be-Morooka MST1500 be crawler ngasemva kwikhareji yangaphantsi. Iingoma zerabha ezinzima kuluhlu lwe-MST1500 zifuna ukuba umntu ongasebenziyo athwale ubunzima bomzila ngasemva komatshini kwaye agcine uxinzelelo ngenxa ye-undercarriage ende kunye nobunzima bomzila obunzima. Xa i-idler isentsha kraca, ivili linobubanzi obumalunga nee-intshi ezilishumi elinesixhenxe ezinesiqingatha, ngoko unokulinganisa ukuguga kwi-idler yakho yangoku ukuze ubone ukuba bungakanani na ubukhulu bedayamitha esele inxitywe. Kwindawo apho iphumle ngaphakathi kwindlela yerabha ekhokelayo, ububanzi bevili bungaphezulu kwee-intshi ezimbini. Eli candelo le-idler liza kunye namandongomane ofakelo. Kunye naba bangasebenziyo bexinzelelo, sikwanazo ii-sprockets, iirola ezisezantsi, kunye neeroli eziphezulu evenkileni. Ukwandisa ubomi bamalungu amatsha, jonga i-undercarriage yakho epheleleyo ngaphambi kokuba ufake iodolo kwaye ubuyisele naziphi na iindawo ezigugileyo okanye ezonakeleyo.