manifold loose Turbocharger mountings or damaged gaskets 3 Inspect oil lines and fittings for kinks damage or leakage 4 Observe engine exhaust Excessive smoke may indicate a restricted air cleaner overrich mixtures or faulty Turbocharger seal operation 5 Note unusual noises or vibration that would warrant further inspection of Turbocharger ajar Inspection Every 50 000 miles or if trouble is suspected in urbocharger it should be inspected and serviced as Alows 1 Disconnect oil drain line at Turbocharger elbow Connect a hose from the elbow to a container placed at side of engine then start engine and run at idle speed for one minute to determine oil flow should be approximately 1 quart per minute at idle 2 Remove Turbocharger and carburetor assembly from the engine 3 Remove carburetor from Turbocharger assembly 4 Inspect the turbine wheel for a Cracks erosion chipped nicked missing or bent blades b Carbon build up on blades c Carbon accumulation on back face of turbine I wheel d Free rotation by depressing the shield against the spring ring then rotating the wheel If the turbine wheel does not rotate fi ely disassemble the unit and inspect for damaged parts or foreign material causing the interference 5 Remove six retaining bolts fig 38 and remove compressor housing and gasket 6 Inspect compressor housing for scoring wiping erosion or pit marks on the inner contour 7 Inspect impeller wheel for damaged blades or evi dence of rubbing in the housing I 5 i a i v I Fig 36 Compressor Housing Retaining Bolts w v v v m w v v w v m v m w v v m w m v v v v t