EE HAD SHUTDOWN AND LOCKED OUT PALLETIZER TO CLEAN PHOTOELECTRIC EYES AND TO ADJUST A HEAT LAMP ON AN AIR CYLINDER. UPON CLIMBING ATOP THE PALLETIZER CONVEYOR BELT, HIS FOOT (LEFT) CAUGHT ONTO THE SPLICE, CAUSING HIM TO FALL. BOTH KNEES STRUCK THE CONVEYOR BELT MOTOR & HIS RT. SHOULDER STRUCK THE CONVEYOR. HE WENT OFF WORK 6/6/03 FOR SURGERY ON HIS LT. KNEE.