EE WAS STANDING ON TRACKS OF D-7 CAT DOZER PERFORMING LUBRICATION DUTIES. EE S RIGHT FOOT SLIPPED OFF THE ADJUSTMENT BAR OF THE DOZER CAUSING HIS LEFT LEG TO SLIP DOWN BETWEEN THE ADJUSTMENT B AR AND TRACK PAD OF THE DOZER. THE EE S SHIN AREA OF THE LEFT LEG MADE CONTACT WITH THE TRACK PAD, CAUSING A CONTUSION TOT HE SHIN AREA OF THE LEFT LEG.