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CONTENTS Description ..............................1 Technical specifications ..........................1 III. Preparation ..............................1 IV. Operation .................................2 Manual hammer lifting device ........................3 VI. Common faults and trouble-shooting ......................4...
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It is suitable for the forming of Φ152.4mm (±0.2mm) × 115mm / Φ101.6mm (±0.2mm) × 63.5mm cylindrical specimens used in Marshall test and indirect tensile test. EDC-3A has a manual lever hammer lifting device.
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mixture along with the tray in the oven for heat insulation. Fetch out the preheat test mold and sleeve from the oven, wipe the sleeve, base and the bottom of the hammer by cotton yarn with a little grease. Install the test mold on the base, and pad a round small oil absorbent paper, shovel the mixture into the mold from four direction according to quartering, pound 15 times along the surroundings and 10 times in middle with slotting tool or large screwdriver.
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②. Pull the handle of the press molding device inward to compress the test tube. Then hold the handle of the hammer with your hand, and slowly turn the bayonet lock to make the hammer and guide rod fall. Touch the jog button by hand to observe the transmission wheel, forward and reverse.
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hammer. Replace the die ring ①. Pull the handle to raise the hammer rod to the highest position. ②. Use a wrench or socket to remove the guide rod's fixing piece. ③. Take out the guide rod horizontally from the inside to the outside. ④.
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