CALIBRATION AND ADJUSTMENTS
This chapter discusses calibrating the Model 4140 Gyratory
Compactor and adjusting the angle of gyration.
CONTENTS
Calibration Schedule ...................................................................... 3-2
Calibrating the Unit ....................................................................... 3-3
Pressure ................................................................................... 3-3
Specimen Height ..................................................................... 3-6
Angle of Gyration.................................................................... 3-8
Rotation Speed ...................................................................... 3-14
Print Calibration .................................................................... 3-15
Adjusting the Angle of Gyration.................................................. 3-16
Converting the Unit for Small Angles ......................................... 3-18
Changing the Mold Size .............................................................. 3-21
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