EXTRUDING A SPECIMEN
Allow the specimen to cool before extrusion.
To extrude a specimen,
✓
Slide the bottom of the mold into the top of the extruder (see
Figure 4-2).
✓
Turn the black knob on the extruder clockwise until it stops.
✓
Slide the extruder handle onto the shaft on the front of the
extruder.
✓
Use the handle to pump the extruder until the top of the puck is
flush with the top of the mold.
✓
Slide the asphalt specimen off the puck.
✓
Lower the extruder by turning the black knob on the extruder
about 1/2-turn counterclockwise.
✓
Slide the mold out of the extruder.
✓
Remove the specimen papers from the specimen.
✓
Clean the mold, puck, and loading head with a degreasing
cleaner.
✓
Remove the handle.
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