EE WAS IN PROCESS OF CHANGING A FINAL DRIVE ON ACAT. DION DOZER EE WAS ADJUSTING THE CHAIN ON THE LIFTING TOOL WHEN THE TOOL CAME LOOSE STRIKINGEE IN THE HEAD. EE WAS TAKEN TO THE HAZARD ARCH WHERE HE WAS XRAYED & A CATSCAN WAS PERFORMED NEITHER REVEALED ANYTHING WRONG. EE WAS RELEASEDAT 6AM