• Fill milling jar with material to be milled. Ensure the two-white o-rings are in place
prior to sealing jars.
• Lift the locking pin (B) upwards from the groove and turn it 90° in any direction
to unlock.
• Turn the knob (C) counter clockwise all the way to maximize clamping range.
• Turn locking pin 90° and allow it to reengage in locked position.
• Place the milling jar into the milling jar arm and seat it into centering points (A).
• Gently turn knob (C) clockwise until the milling jar fits firmly inside the holder,
free of play.
• To remove the milling jar, lift the locking pin (B) and turn it 90° to unlock and turn
the knob (C) counter clockwise to loosen. If locking pin is difficult to release turn
knob (C) slightly clockwise to release locking pin tension.
WARNING: Always include an O-Ring when a Milling Jar is assembled to run.
WARNING: Do not force locking pin (B) open. Turn knob (C) clockwise to release.
WARNING: Milling jars must be inserted and aligned with centering points (A). If this
is not done jars may be ejected during processing.
WARNING: When removing hot or cryogenically cooled milling jars always wear
protective gloves.
WARNING: It is unlawful to mill flammable or explosive material.
• Obtain two milling jar wrenches
• Place one milling jar wrench on each end of the milling jar
• Turn one wrench counterclockwise while securing the other wrench from moving to
loosen jar seal.
• Carefully separate jar halves.
Inserting Milling Jars
Opening Milling Jars