Biesemeyer 78-920 T-Square® Instruciton Download Page 2

2.  Use the template (A) Fig. 3 that is supplied with the fence system to check and adjust the level of the front rail (B) to 

both ends of the saw table. Tighten the guide rail hardware securely.

NOTE: Do NOT level the rail with the extension wing. Use the saw table.

3.  Place the guide tube (A) Fig. 4 on the saw table. Align the nine (9) threaded holes with the holes in the front ledge.

4.  Position the guide tube on the front rail. Secure the guide tube with nine (9) 1/2" hex-head bolts and lockwashers (Fig. 5).

5.  Place the rip fence on the guide rail.

6.  Insert a bolt (A ) Fig. 6 up through the hole (B ) at the  extreme right end of the guide tube. Thread the retaining nut  (C) 

on the bolt (see the inset - Fig. 6)

NOTE: This retaining nut prevents the fence from falling off the end of the guide rail.

IMPORTANT: Before applying power to the saw, ensure that the rip fence is parallel to the miter gauge slot. Refer to the 

section 

"HOW TO OPERATE AND ADJUST THE RIP FENCE".

Fig. 3

Fig. 4

A

B

A

A

B

C

ASSEMBLY

Disconnect the machine from the power source.

1.  Use three (3) 1/2-13 X 2" flat-head bolts, flat washers, lockwashers, and hex nuts (A) Fig. 1 to attach the guide rail to 

the front of the saw table (Fig. 2). Loosely tighten with the supplied hex wrench for further adjustment.

Fig. 1

Fig. 2

A

Fig. 5

Fig. 6

Summary of Contents for 78-920 T-Square®

Page 1: ... instruction for your fence system These instructions replace the information on pages 7 and 8 in your table saw instruction manual Part 422 28 651 0001 Keep these supplemental instructions for future reference carton contents 1 Front Rail 2 Guide Tube 3 Fence Assembly 4 1 2 13 x 2 Flat Head Bolts 5 5 16 Hex Wrench 6 1 2 Flat Washer 7 1 2 13 Hex Nuts 8 Lockwasher 9 Retaining Nut 10 Retaining Nut H...

Page 2: ... rail 6 Insert a bolt A Fig 6 up through the hole B at the extreme right end of the guide tube Thread the retaining nut C on the bolt see the inset Fig 6 NOTE This retaining nut prevents the fence from falling off the end of the guide rail IMPORTANT Before applying power to the saw ensure that the rip fence is parallel to the miter gauge slot Refer to the section HOW TO OPERATE AND ADJUST THE RIP ...

Page 3: ...or until the witness line B is aligned with the previous measure ment Tighten the screws Fig 7 Fig 8 Fig 9 A B HOW TO ADJUST THE FENCE PARALLEL TO THE MITER GAUGE SLOTS IMPORTANT Be certain that the miter gauge slots are parallel with the blade before adjusting the fence Move the fence A Fig 10 until the bottom edge is aligned with the edge of one of the miter gauge slots and lock it in place with...

Page 4: ...Center at 1 800 782 1831 HOW TO ADJUST THE CLAMP HANDLE When the clamp handle is in the down position the fence will lock to the guide tube If this is not the case lift the clamp handle and raise the fence assembly off of the guide tube Slightly tighten the two adjusting screws E and F an equal amount using a 3 16 hex wrench Re place the fence assembly and check for correct clamp ing Repeat as nec...

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