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7902 

Dado Jig 

Owners Manual

Please Read Carefully!

Part#  Description 

Qty.

5864  1-5/8” Ratchet Knob 2

Part# 

Description 

Qty.

HB030 

1” Bolt 

6

Part#  Description 

Qty.

MB020  1/4-20 x 1/2” Screw  36

Part#  Description 

Qty.

MF035  10-24 x 1/2” Screw  2

Part# 

Description 

Qty.

5760B 

Oval Nut 

42

7902 Dado Jig 

Hardware List:

Identify and verify that you have all of the 

hardware shown below prior to assembly. 

Please read the instructions at least once, 

familiarizing yourself with the parts 

before beginning. You’ll need to supply a 

#2 Phillips screwdriver for assembly.

7902 Parts List:

Parts listed below are shown in photos in the instructions:

Part 

Description 

Quantity

4412 

12” Ultra Track  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1

4424 

24” Ultra Track  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1

4436 

36” Ultra Track  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1

7900T 

36” Ultra Track with 2 holes  .  .  .  .  .  .  .  . 1 

7900A 

1/4” MDF Fence  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 2

7900B 

3/4” Edge Fence  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1

7900C 

2 pc . Bracket Set .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1

7900E 

Work Stop  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 2

7900G 

Plate Guide  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1 

7900P 

Router Plate  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  .  . 1

4973 

Router Plate Hardware  .  .  .  .  .  .  .  .  .  .  .  .  . 1

Part# 

Description 

Qty.

5540 

Knob 

6

Part# 

Description 

Qty.

BUSH002  1/4" Spacer 

14

Part#  Description 

Qty.

5785  5/32” Allen Wrench  1

Part# 

Description 

Qty.

MF015 

1” Screw 

4

Summary of Contents for 7902

Page 1: ...iarizing yourself with the parts before beginning You ll need to supply a 2 Phillips screwdriver for assembly 7902 Parts List Parts listed below are shown in photos in the instructions Part Description Quantity 4412 12 Ultra Track 1 4424 24 Ultra Track 1 4436 36 Ultra Track 1 7900T 36 Ultra Track with 2 holes 1 7900A 1 4 MDF Fence 2 7900B 3 4 Edge Fence 1 7900C 2 pc Bracket Set 1 7900E Work Stop 2...

Page 2: ...ge of the tracks Roughly center the Sub fences on the length of the track and snug the screws using the Allen Wrench 5785 Set the Adjustable Track aside for now 4436 Stationary Track Stationary Track Brackets x2 7900T Adjustable Track 7900A x2 MB020 x4 5760B x4 Thru Hole Thru Hole MB020 x6 5760B x6 90 90 5864 x2 BUSH002 x4 5760B x2 ATTACH ADJUSTABLE TRACK Lay the Adjustable Track on the Brackets a...

Page 3: ...ng inner edge of the Bracket and tighten the screws using the Allen Wrench 5785 ATTACH WORK STOPS EDGE FENCE The Work Stops attach to the edges of the 36 Ultra Tracks as shown Slide the head of a 1 hex bolt HB030 into the outside T slot on the edge of each 36 Ultra Track Place the Work Stop 7900E raised side first overhanging end facing down on each bolt a 1 4 bushing BUSH002 and a Knob 5540 then ...

Page 4: ...e dado in two passes the bit diameter can t be less then half the width of the dado If your dado is wider than twice the bit diameter you ll have to make extra passes A 3 4 bit will cut dadoes up to 1 1 2 wide a 1 2 bit up to 1 and so forth Smaller diameter bits may limit the depth of the dado you re able to cut Once you select a bit the jig should never be used with another bit without A Installi...

Page 5: ... on the Dado Jig against the back Router Plate Stops make sure bit is not touching the 1 4 MDF Fence 2 With the Plate Guide between the Stationary Adjustable Ultra Tracks turn the router on and while holding the edge of the Plate Guide against the inside edge of the Adjustable Track pull the router forward along the Adjustable Track 3 When you contact the front Router Plate Stops slide the router ...

Page 6: ... 4 MDF Fences Position the Adjustable Track so the workpiece is sandwiched snugly between the sized 1 4 MDF Fences tighten the two knobs on the Adjustable Fence and remove the setup workpiece Workpiece sets dado width by indexing between 1 4 Fences Butt the two Work Stops against the back edge of the workpiece to be dadoed and tighten the knobs These hold the workpiece against the Edge Fence Clamp...

Page 7: ...tween the Stationary Adjustable Ultra Tracks 2 Turn the router on and hold the edge of the Plate Guide against the edge of the Adjustable Track as you pull the router forward 3 When you contact the front Router Plate Stop slide the router to the left so the Plate Guide is now held against the Stationary Track 4 Push the router rearward to the back Router Plate Stop 1 4 2 3 ...

Page 8: ...length of track to make cutting multiple dadoes on same size workpieces easier The Extension 7924 or 7948 does not include any Flip Stops 789S which can be ordered separately An accessory to the Flip Stop is the Micro Adjuster 4523 It attaches directly to the Flip Stop and allows up to 5 8 of fine adjustment Copyright WOODHAVEN INC 5 21 15 800 344 6657 or WWW WOODHAVEN COM 7924 24 Fence Extension ...

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