Setting Up the Plane:
Pull the locking pin at the front up to disengage from the fence. Swivel and lock the fence to switch from cutting either a Tongue or a Groove.
Cutting Tongues and Grooves:
To ensure straight cuts it is best to start the cut at the far end of the board. Start the second cut 6"-10" back from the first and repeat until you are taking a full length cut. Hold the fence firmly against the work until the full length cut is established.
It is best to start work by cutting the tongue, and finish with the groove, in case your blade has dulled a bit. The quality of finish on the groove is less important.
The blade is bedded bevel-down at 45°.
The one-piece blade fits tightly on a milled track on the body casting. To adjust depth of cut, set by eye and take a test cut. Tap the back of the blade with a small hammer to increase depth. These tools are meant to take a thick shaving