Variates using a water coming from outside the cage monitor and the output will used need to be kept open before water comes in and necessary precautions should be taken fire.

[elenkt]

Помогите, пожалуйста, перевести 3 предложения:
1."Variates using a water coming from outside the cage monitor and the output
will used need to be kept open before water comes in and necessary precautions should be taken"
2. "for foam outsourcing connects the foam out priming hose which is in cabinet to foam out priming coupling set the foam proportional"
3. "Arrange the direction of the direction arm by placing to the burrow on the cage monitor to pressurizing way".

Текст взят из брошюры по обслуживанию пожарной техники.
Заранее спасибо!