Operating Instructions 3 SG9M Manual
Built In Venturi Vacuum Tester:
Designed to test valve seat and seat surface seal, and particularly to measure the value seat surface
quality after machining. Including a set of 7 pads and connecting extension.
Mounting Cylinder Head:
Using the Air Flow Rollover Fixture:
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. Press right foot pedal and flow cradle to keep the valve guide center line parallel to the
trunion centerline. (Figure 4)
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