THE SCALER OPERATOR NOTICED A FIRE BURNING IN THE ENGINE COMPARTMENT, MOST LIKELY STARTED DUE TO A CRACKED/BROKEN HYDRAULIC HOSE BLOWING FLUID ON THE TURBO CHARGER. HE IMMEDIATELY HIT THE FIRE SUPPRESSION SYSTEM WHICH EXTINGUISHED THE FIRE. THE FIRE REIGNITED & WAS PUT OUT BY A FIRE EXTINGUISHER. IT REIGNITED AGAIN AT WHICH POINT THE EVACUATION ALARM WAS BLOWN & THE MINE EVACUATED.