Drager Pulsar 7000 Manual 'link' Jun 2026
He looked up. Ten meters down the tunnel, Unit 5 was mounted. Its light was steady green. But according to the manual, if the fans were surging, they were pulling air from the lower drill sites—places where pockets of methane often settled. If Unit 4 was blind, and the wind was pushing the gas toward him, Unit 5 might not catch it in time. The gas could pass Unit 4, hit the dead air pocket where Elias was standing, and settle before Unit 5 even woke up.
Elias froze. High-velocity airflow events. That was the fan surge. drager pulsar 7000 manual