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Startup Procedure
17. TOO MUCH VALVE LASH (Cont.)
Cause: Correction:
Worn Cams on Camshaft Check valve clearance. Check for free movement of valves or bent valve stems. Install a new camshaft. Install new valve lifters. Make adjustment of valve clearance according to Subject, VALVE CLEARANCE.
18. VALVE ROTOCOIL OR SPRING LOCK IS FREE
Cause: Correction:
Broken Locks Broken locks can cause the valve to slide into the cylinder. This will cause much damage. Broken Valve Spring(s) Install new valve spring(s) Broken Valve Replace valve and other damaged parts.
19. OIL AT THE EXHAUST
Cause: Correction:
Too Much Oil in the Valve Compartment Be sure that the dowel is installed in the left bolt hole of the rocker shaft. Worn Valve Guides Reconditioning of the cylinder head is needed. Worn Piston Rings Inspect and install new parts as needed.
20. LITTLE OR NO VALVE CLEARANCE
Cause: Correction:
Worn Valve Seat or Face of Valve Reconditioning of cylinder head is needed. Make adjustment of valve clearance according to the Subject, VALVE CLEARANCE.
21. ENGINE HAS EARLY WEAR
Cause: Correction:
Dirt in Lubrication Oil Remove dirty lubrication oil. Install new oil filters. Put clean oil in the engine. Check oil filter bypass valve for a weak or broken spring.
Air Inlet Leaks Inspect all gaskets and connections. Make repairs if leaks are found.
Fuel Leakage Into Lubrication Oil This will cause high fuel consumption and low engine oil pressure. Make repairs if leaks are found. Install new parts where needed.
