Bon Stone lifting clamps are furnished with 1/2 inch stud in base of opening. A pilot hole drilled in the backside of the stone is required for proper use. Three model sizes are available- 3/4, 1 and 2 ton lifting capacity
Bon stone lifting clamps are furnished with 1/2” stud in base of
opening. A pilot hole drilled in the backside (unfinished side) of the
stone is required for proper
use. Three model sizes are available.
DRILL THE HOLE
• A 1/2” diameter hole is drilled, more than 1/2” deep, for the 3/4” ton (#11-887) and 1 ton (#11-888) models.
• A 3/4” diameter hold is drilled, more than 1” deep for the 2 ton(#11-889) stone clamp.
•
The hole should be centered horizontally according to the weight. The
center of the hole can be no more than 2” from the top of the stone for
3/4 ton, 3-1/4” for 1 ton and 4-1/4 for the 2 ton clamp.
POSITION THE CLAMP
• Place the clamp down on the stone, positioning the pin inthe drilled hole.
• Tighten the clamp firmly using the T-handle.
• To lift the stone, run the appropriately rated chain, wirerope, or a hook through the screw-pin shackle, then lift.
ALWAYS WEAR EYE PROTECTION