Ryobi DBJ50 Operations Instructions download pdf (Page 74)

Page 65 Power Equipment Usage Manual (Rev. 5/10)

b. Next, choose your biscuit size, #20 is the larger biscuit and is normally used for boards that are

about 3/4" thick.

c. With a pencil, make a few small, evenly-spaced marks across the joint to denote the location of

each biscuit on each board. Now, set one board to the side.

d. Using the biscuit joiner, place the guide fence flat on the top of the stock and line the cutting

guide with one pencil mark.

Prevent Alignment Errors (Figure 10): It's easy to misalign a slot

with both your hands on the joiner's handles. Working that way,

you can't feel whether the fence is fully in contact with the stock.

The slightest shift up or down on the handle can cause the biscuit

slot to be cut wrong. Use one hand to hold the fence down onto

the board and you'll eliminate errors.

(from: “12 Tips for Better

Biscuit Joining” by Richard Tendick)

e. Start the saw and plunge the blade into the stock up to the stop.

Remove the blade and repeat at each mark. Be certain that the motor is at full speed before

plunging, and never apply side pressure to slow down a spinning blade. Also be sure to push

forward until the depth adjustment stops the forward motion to ensure the full depth is cut

each time.

f. Once the cuts are completed in one board, switch to the other board and cut the corresponding

slots.

g. When all cuts are finished, make sure all sawdust is removed from the grooves so biscuits

properly seat.

h. Dry Fit the Biscuit before Gluing (Figure 11): Don't use a

biscuit that fits loosely in the slot. All you'll get is a weak

joint. Dry-fit biscuits in their slots before glue-up. The

biscuit should slide into the slot with hand pressure.

Then, hold the board so the biscuits are hanging. A biscuit

that is too loose will fall out. Don't forget to test the other

side of the joint in the same way. If you have a slot that's

too big for any biscuit, glue a shim into the slot and then

recut the slot.

(from: “12 Tips for Better Biscuit Joining” by

Richard Tendick)

i. Place some glue in the slots of one board and insert a biscuit in each slot. Spread glue on the

entire edge of the board. Then, put glue in both the slots and on the edge of the other board,

then slide the second board onto the biscuits. Glue must be evenly applied throughout the

biscuit slot and to the entire edge of both the boards to get the strongest joint possible. The

Fig.

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Ryobi DBJ50 Operations Instructions Page 74