Operating Instructions 5-1 SG8 Manual
Chapter 5 Operating Instructions:
Mounting Cylinder Heads:
Initial clamp height adjustments to the head trunions can be accomplished by measuring the head thickness
then raising the turning clamping block assembly to the appropriate height using the clamping block acme
screws. A 5/16” t-handle allen wrench works well.
Measure the length of the cylinder head. Spread the trunion assemblies apart from each other so that the
cylinder head can be clamped in between the trunions.
Each support has an adjustable stop, located to the front. The stops have indents, allowing a number of
different settings. Position of the stops must be checked for each cylinder head put on the supports. In most
cases we will install the cylinder head deck side down with the exhaust side of the head against the
adjustable stops. This is particularly true of wedge style heads. It is necessary for the clamps to thrust the
cylinder head against the stops when clamped. When heads are mounted in this fashion, the tallest portion
of the combustion chamber will be at the rear of the machine when the head is rotated into the working position.
Try to keep the valve guide center line parallel to the trunion centerline. (Figure 4)
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