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37
Figure 19
Note: With the four bolts tightened up to the correct torque loading there should be a gap
between the port flange and the casing of typically 2-6mm, as shown in Figure 20. It must be
noted that the relationship between correct torque and finish gap can vary due to component
tolerances. The effort to reach the torque should not override this as the torque figure is a
maximum figure and not the minimum requirement. The important factor is to achieve sufficient
clamping of the hose. Do not over tighten to bring the port flange flush against the casing as this
will result in the bolts shearing
Figure 20