Grind Valves, Clean Carbon, Tune Engine - Hudson Eight 1930 Service & Operating Manual

PROCEDURE OF OPERATION
Remove hood. Drain cooling system. Disconnect spark plug wires and remove plugs. Loosen radiator upper hose
clamps. Remove upper hose. Remove bolts holding water outlet manifold to cylinder heads. Remove water outlet
manifold. Remove crankcase rear breather tube. Remove ignition coil. Remove horn. Remove cylinder head stud
nuts. Remove cylinder heads. Remove cylinder head gaskets. Clean carbon from cylinder heads, pistons and valves,
using care to remove all loose particles of carbon to prevent them becoming lodged between piston and cylinder wall,
or in the ring grooves. REPLACE cylinder head gaskets. Replace cylinder heads. Replace cylinder head stud nuts.
Replace crankcase rear breather tube. Replace horn. Replace coil. Replace water outlet manifold and bolt to cylinder
heads. Replace cable tube. Replace upper hose and tighten clamps. Replace spark plugs and connect plug wires.
Remarks:
CLEAN CARBON
CLEAN CARBON
ADJUSTMENTS
Note: Tighten cylinder head nuts carefully, each
a little at a time. After engine has been warmed up,
the nuts should again be tightened.
Suggestions: Replace cylinder head gaskets if even slightly damaged in removing. Clean carbon by scraping or by
means of a wire brush operated by an electric drill. Remove all loose particles of carbon to prevent them becoming
lodged in ring grooves or between piston and cylinder wall.
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SPECIAL TOOLS
h—284 Cylinder head nut wrench
h—317 Cylinder head nut wrench
HE-169 Spark plug wrench
HE-286 Cylinder head lifting handle
(2 required)
124
HUDSON
GREAT EIGHT
HUDSON
GREAT EIGHT