3A-34 - ENGINES 90-823225--1 1096
Cylinder Head and Valve
Conditioning
Disassembly
1. Using valve spring compressor, compress valve
spring and remove valve locks. Slowly release
tool.
72333
a
a - Valve Spring Compressor (J-8062)
2. Remove all valve components.
3. Remove valves from cylinder head and place in
a rack, in order, for reassembly in their original lo-
cations.
Cleaning
1. Clean push rods and rocker arm assemblies.
2. Clean carbon from valves using a wire wheel.
3. Clean gasket material from cylinder head mating
surfaces.
4. Clean all carbon from combustion chambers and
valve ports using carbon remover brush.
72334
a - Carbon Remover Brush (J-8089)
a
5. Thoroughly clean valve guides with valve guide
cleaner.
72335
a - Valve Guide Cleaner (J-8101)
a
Inspection
1. Inspect cylinder heads for cracks in exhaust
ports, water jackets, and combustion chambers
(especially around spark plug holes and valve
seats). Replace heads if any cracks are found.
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