Amount of evaportaision 4.8 tons per hours.

Furnace smoke tube.

Furnace smoke tube, cleaning by the special tool.

Inside of the oven.

Burner, Gas nozzle. Finish to clean.

Inside of the oven. Cleaning the oven wall.

Cleaning both of the tube.

Water level guage.

Water level gauge prepared and recoveried.

Water chamber cover is going to recoveried.

Safety relief valve. Took off from the boiler.

Safety relief valve was decomposed. Valve sheet polishing on the surface plate with the compound.

Check straightness of the valve stem and the valve spring on the surface plate.

After the full maintenance. Test-work.

Steam pressure gauge. We use “Mega pascal” in Japan.