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1 - Raise the handle all the way up.
2 - Spin the Height Adjustment Screws to open the blades far enough apart to insert the unit to be split.

Proper handle position	Improper handle position

*** VERY IMPORTANT - ADJUSTMENT SCREWS MUST BOTH BE TURNED AT THE SAME TIME & AT THE SAME SPEED. IF EITHER OF THE SCREWS ARE TURNED INDIVIDUALLY, THE SPLITTER WILL BIND.
If this happens, you must back off one or the other adjustment screw, until both screws move freely again. NEVER use a hammer or any tool to force the screws to turn. ***

3 - Once the paver or wall block is in place, lower the handle to check setting of upper blade. The handle should be approximately 15° above horizontal when resting on the unit before splitting. If the handle goes below this, the upper blade is too high. If the handle is pointing up, the blade is too low. Proper placement of the handle can affect the quality of the split. Also, make sure that the paver or wall block is centered on the table.

4 - When ready to split, work the blade into the paver or wall unit a couple times to start the fracture. Do this by pushing the handle down and up a few times, each time increasing the downward pressure to set the blade. With the blade in full contact with the paver/block, use a quick push to split. Simply raise the handle up and insert your next unit to split. Normally there should be no need to make any further height adjustments.

5 - All our splitters, except the SLABSPLITTER, have a spring-loaded table on one side. This gives the ability to create an undercut when splitting. Place the unit to be split in the splitter and push down on the unit on the spring-loaded side. Then lower the handle (this may require adjustment of the upper blade before the first split again) making sure the line on the top of the paver is lined up with the upper blade. With the handle lowered and both blades touching the unit, there is no more need to push down on the paver. The contact of both blades will keep the unit at an angle. Then following the same splitting instructions as before. (Because these are splitters, not saws, the result will be a smooth straight edge on the top and bottom of the unit being split and a "split-face" in between. When splitting pavers, undercutting will allow the top of the paver to be placed close to the adjoining paver.)

All of this is demonstrated in the PAVE TECH/PROBST Tools & Equipment Video. If you do not have a copy, it is available free of charge from your local dealer or from PAVE TECH.