English to Spanish Tech/Engineering Mechanics / Mech Engineering

Entiendo la idea pero me he bloqueado intentando buscar la mejor traducción. Toda ayuda será bienvenida :-)

*** If it was pre-assembled in modules, the chain would still have been drawn through and secured with a cable, or, instead of the conveyor chain, a cable would have been installed to make it easier to draw the chain through.***

****a cable shall be inserted when assembling the trough line for backwards and forwards movements to facilitate drawing through the conveyor.****

****The chain is now drawn through the observation window of the driving station or, depending on the local circumstances, through the observation window of the tensioning station using the cable inserted when the TCC was assembled.****