Instructions / Assembly

4430
INSTRUCTIONS Stone Lifting Clamp
IS11887 07/14
4430 Gibsonia Rd. • Gibsonia, PA 15044 • USA • www.bontool.com
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
u
se. 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 in
the drilled hole.
• Tighten the clamp firmly using the T-handle.
• To lift the stone, run the appropriately rated chain, wire
rope, or a hook through the screw-pin shackle, then lift.
ALWAYS WEAR EYE PROTECTION
Part # Opening Capacity
11-887 3” 3/4 Ton
11-888 5” 1 Ton
11-889 8
-
3/4” 2 Ton
#11-889
2 Ton Model