THE EMPLOYEE WAS USING A HAND PUMP TO SPRAY GRAPHITE ON A KILN TIRE. WHEN HE FINISHED HE LOCKED THE HAND PUMP INTO THE CANISTER AND WAS CLIMBING DOWN, WHEN THE HAND PUMP BECAME UNLOCKED AND DR OPPED. THIS SUDDEN JOLT CAUSED A SPRAIN TO THE RIGHT SHOULDER. THIS WAS REPORTED AS A F/A. REQUESTED MEDICAL ATTENTION 10/30/03.