Blow-down time for 5025 at Aviemore shed in 1982. After allowing pressure to drop overnight, mudhole doors would be removed to allow hot water from the boiler to escape, sludge would be discharged and the boiler would then dry out.
Location: Aviemore Shed
Original line: Inverness and Perth Junction Railway
Photographer: Bill Roberton
Contact photographer: Bill Roberton
Date: 1982
Image number: 79451