WHS regulations and requirements, equipment, material and personal safety requirements, including personal protective equipment (PPE) for handling engine cylinder heads and using specialised equipment, such as: facing machines valve refacers valve spring compressors ovens and presses procedures for removing cylinder head from engine block dismantling methods and procedures cleaning methods and procedures procedures for measuring, testing and evaluating cylinder heads, including: testing hardness of aluminium alloy cylinder heads and procedures for re-hardening aluminium alloy cylinder heads visual inspections cylinder head crack testing, including: dye-penetrant testing wet and dry magnetic particle testing vacuum testing pressure testing inspecting valve guides and valve seats procedures for measuring, testing and evaluating associated parts, including inspecting camshafts, valves, valve springs, valve spring seats, valve spring retainers, collets and lash caps, rocker arms, rocker shafts and pushrods procedures for repairing cylinder heads and associated components, including: heat treating aluminium alloy cylinder heads straightening cylinder heads repairing cracks in cylinder heads welding aluminium alloy and cast iron cylinder heads types of surface finishes for different cylinder head gaskets surfacing cylinder heads, including manifold faces repairing valve guides, valve seats, rocker arms and rocker shafts refacing valves in valve refacer fitting injector tubes and pre-combustion chambers cleaning cylinder heads of residue and swarf procedures for assembling cylinder heads, including: refitting welsh plugs and oil gallery plugs, valves, springs, spring seats, retainers, collets lash caps, camshafts, rocker gear, cam followers and associated components reasons for setting valve timing before fitting cylinder head to block evaluating and setting rocker arm geometry preparing cylinder block to accept cylinder head fitting head gaskets and cylinder heads to engine blocks tightening procedures of cylinder head bolts Australian standards relating to engine reconditioning |