In a foundry’s refractory/slag builds up inside the furnace vessel, once it is tipped out and cooled, this build up need to be removed before the process can be used again.

“Originally, the manual break-out of solidified slag accretions inside the furnace shell using a pneumatic breaker”

“Removing Hand-Arm Vibration exposure altogether and speeding up the process considerably, the hydraulic push-out system removes slag build-up from the furnace vessel during maintenance”