Установите последовательность пропущенных слов и выражений.
Gearboxes are assembled and disassembled on special stands using 1_______. In case of trouble in change-speed gearbox it can be repaired only in the workshop. But in order not to get into trouble you should do 2_______:
– check the oil level in 3_______;
– wash the breather channel;
– 4_______ the oil in accordance with the lubrication schedule;
– wash the gearbox with a thin mineral oil;
– drain the used oil through the drain hole.