INCRA
INCRA’S PATENTED LEAD SCREW TECHNOLOGY FOR THE ULTIMATE IN PRECISION WOODWORKING CAPABILITY
Owner’s Manual
Please read this owner’s manual and keep it at hand for reference.
system applications such as rabbeting, edge forming, and
joinery functions, your new LS Positioner represents the
ultimate in quality precision tooling for your dream shop. Incra’s patented lead screw driven positioning element sets a new standard for positioning accuracy guaranteeing fence placement to within
two thousandths of an inch over the full range of the
with zero repeatability error. to perfect cutting results,
– first time, every time. If joinery for your next project, you
your new LS Positioner for dovetail capability. Whether
equally spaced box joint, or the exquisite INCRA Double Dovetail, you’ll find the simplicity of our template guided joinery system makes other joint making tools obsolete.
Contents
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Systems Configurations . . . . . . . . |
2 |
Shop Stop . . . . . . . . . . . . . . . . 10. |
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Safety . . . . . . . . . . . . . . . . . . . . |
4 |
Operation . . . . . . . . . . . . . . . . 12. |
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Getting Acquainted . . . . . . . . . . . |
4 |
Applications . . . . . . . . . . . . . . . . 14 |
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Setup . . . . . . . . . . . . . . . . . . . |
.5 |
Adjustments . . . . . . . . . . . . . . . . 14 |
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Pro II Fence Installation . . . . . |
.6. |
Auto Centering Scale . . . . . . . . . . 15 |
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Wonder Fence Installation . . . . . . |
. 8 |
Warranty. . . . . . . . . . . . . . . . . . . 16 |
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2
Rules Precision & Tools Woodworking INCRA
LS Positioner “Standard System”
LS Positioner Base
LS Positioner Carriage
Incra Shop Stop 
Right Angle Fixture
28” Pro II Fence
13” Telescoping Stop Extender Bar with Stop
Manual Owner’s Positioner LS INCRA
LS Positioner “Super System”
Hi-Rise Fence Cap
LS Positioner Carriage
LS Positioner Base
28” Pro II Fence
Right Angle Fixture
Wonder Fence
Heavy Duty Split Fence
Incra Shop Stop
Note: Also available for current Ultra owners, the Incra LS Upgrade Package includes only the LS Positioner Carriage and Base as shown in Fig. 1 on page 5.
13” Telescoping Stop Extender Bar with Stop
3
SAFETY
Important safety instructions for using the INCRA LS Positioner
Before using the INCRA LS Positioner, read and follow all of the instructions and safety information in this manual.
When using the INCRA LS Positioner in conjunction with any other tool, first read and follow all instructions and safety information in that tool’s owner’s manual.
When mounted to a table surface, make sure that all of the mounting screws are securely tightened and the INCRA LS Positioner is firmly held in place.
Always turn off the power and make sure that the bit or blade is fully stationary before moving the INCRA LS Positioner to any new setting.
Always keep both hands behind the fence when moving the INCRA LS Positioner to a new setting.
Before making a cut, always make sure that the carriage clamp is fully engaged and the fence is securely locked in place.
When using the INCRA LS Positioner with other tools, make sure that all safety guards and other safety equipment supplied by the manufacturer of that tool are securely in place and functional. Never let the INCRA LS Positioner interfere with another tool’s safety equipment.
Use appropriate safety devices. Keep hands clear of the bit or blade. Always use a push stick, rubber soled push block, or other safety device to keep your hands safely away from the cutting tool.
Wear safety glasses, hearing protection and follow all normal shop safety practices.
DO NOT alter or modify the INCRA LS Positioner in an attempt to use it with non-INCRA accessories.
Never let the bit or blade come into contact with any part of the INCRA LS Positioner, INCRA Shop Stop, or INCRA Right Angle Fixture.
Getting Acquainted
Before setting up and using your new INCRA LS Positioner, take a few moments to become better acquainted with the tool by reviewing the following component descriptions and the illustration in Fig. 1.
Lead Screw Positioning Element
The LS Positioner obtains its great accuracy and repeatability from the precision lead screw, which positions the fence in exact increments of 1/32” (1mm metric version.)
Auxiliary Scale Slots
Four auxiliary scale slots are provided to allow additional setups and cutting operations to take place without altering the primary scale position. Simply slide the supplied 1/32” or 1mm “floating” scale into position as needed for reference.
The friction fit holds the scales securely during cutting operations. These extra slots are great for advanced joinery using the INCRA templates. You can even leave your most frequently used joinery templates from the optional INCRA Master Reference Guide & Template Library permanently installed.
Three-Position Carriage Clamp
By pushing the carriage clamp down into the “unlocked” position, the carriage is free to glide to the next setting. Pull the clamp up to the center position for micro adjusting. Pull the clamp up to the final position and the carriage is locked solidly in place.
Hairline Cursor and View Windows
The large hairline cursor and view windows provide a clear visual reference of the fence location and span the width of the carriage top and all five scale slots. The factory placement of the cursor can be moved to the rear view window location for use on smaller router tables.
LS Base
The LS Base contains the threaded segment that engages with and functions to locate the
carriage. It also houses the three-position carriage clamp, the hairline cursor, and view windows.
Carriage
The reinforced square tube design of the carriage provides the ultimate in strength and support for your fence. It supports the lead screw positioning element and the micro adjust knob.
Stainless Steel Primary Scale
After setting up your INCRA LS Positioner and “zeroing” to the bit or blade, position this scale to read 0” under the hairline cursor. Use this scale as the primary source for readout of fence to bit or blade distance.
4 |
INCRA Woodworking Tools & Precision Rules |
Fence Mounting Bracket
This heavy steel bracket provides a quick and easy means to attach the Pro II Fence, the Wonder Fence, or the TS table saw fence.
Micro Adjust Knob
With the carriage clamp in the micro adjust position, use this knob to fine-tune the location of your fence in 1/1000” increments (1/40mm for metric version.) Ball bearing engaged detents on the knob provide an audible click for each 1/1000” (1/20mm) of adjustment. The pointer and easy to read scale give a clear readout of your fence
movement. Turning the knob clockwise moves the fence closer to the cutter. Turn it counterclockwise and the fence moves away from the cutter. Each full turn of the knob moves the fence 1/32” or 1mm for the metric version.
Micro Adjust Scale Dial
This laser engraved dial provides a clear reference for micro adjustments. Each mark on the dial represents 1/1000” (1/40mm for metric version.) After micro adjusting, the dial can be re-zeroed to the pointer for future adjustments.
Fig. 1 |
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SETUP - Mounting to your Router Table
Note: If you are setting up a table saw-based LS,
read the Getting Acquainted and Operations section of this manual, then follow the instructions in the TS LS owner’s manual.
1 Drill Mounting Holes
Unlock the carriage clamp and carefully remove the carriage from the LS base. For maximum access to fence system range, locate the leading edge of the LS base the following distance from the center of your router collet: 19¾” for the 17” (430mm) range model or 27¾” for the 25” range model, Fig. 2. Center the LS Base across the width of your table. If you have a router table top that is not long enough to handle the full range of your LS Positioner, see the Tip on page 6 for an easy way to extend your table dimensions.
Note: While it is permissible to allow some of the LS Base to overhang the table, a minimum of 4” of the LS Base must be overlapped onto the table for secure mounting.
Fig. 2 Locate leading edge of LS Base on your router table
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Leading Edge |
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27¾” |
19¾” |
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(25” |
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LS Base |
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INCRA LS Positioner Owner’s Manual |
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