microjig GRR-RIPPER Instructional Manual Download Page 1

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Watch the GRR-RIPPER Quickstart Video, visit microjig.com/worksafer

3D PUSHBLOCK

For use on table saws, bandsaws,

router tables, jointers, and more

GR-200

GR-100

GR-100 & GR-200

INSTRUCTIONAL MANUAL

v7.0

Read the Important Safety
Disclaimers in this manual prior

to use. Keep manual for future reference.

Summary of Contents for GRR-RIPPER

Page 1: ...rojig com worksafer 3D PUSHBLOCK For use on table saws bandsaws router tables jointers and more GR 200 GR 100 GR 100 GR 200 INSTRUCTIONAL MANUAL v7 0 Read the Important Safety Disclaimers in this manual prior to use Keep manual for future reference ...

Page 2: ...e 2 E 10 32 x 1 2 Green Thumb Screw 2 2 2 F 10 32 Green Round Knob 2 2 G 1 4 20 Oval Nut 2 2 H 10 32 x 1 Green Dovetail T Bolt 2 2 K 1 4 20 x 3 4 Pan Head Screw 2 2 L 10 32 x 1 2 Pan Head Screw 4 4 M 1 4 20 x 1 3 4 T Bolt 2 N 1 4 20 Yellow Wing Knob 2 P Nylon Shoulder Washer 2 GR 100 GR 200 NOTE Please check to ensure that you have all parts and hardware before assembling If you have purchased the...

Page 3: ... 6 8 Assembly 9 11 How to Use 12 13 Using the 1 4 and 1 2 Legs 14 Irregularly Shaped Stock 15 Balance Support Spacer 15 Resawing 16 Grooving a Round Dowel 16 Bevel Cuts 17 Pattern Routing 17 Slotting 17 Control and Feed Long Stock 17 GRR RIPPER Accessories 18 19 3 ...

Page 4: ...to end to for use with either the 1 2 or 1 4 Side Leg against the fence With the rip fence set parallel to the saw blade the GRR RIPPER glides against the rip fence to ensure a parallel feed It also keeps both sides of the workpiece in their original positions throughout the cutting process which virtually prevents the possibility of kickback and burning With bare hand feeding eliminated finger in...

Page 5: ... 5 A B C D E F The Adjustable Handle can be relocated directly above the cut line providing balanced and concentrated pressure The height adjustable Balance Support accommodates different thicknesses of stock The adjustable Center Leg precisely supports different widths of cuts providing complete control of both sides of stock Wooden riser spacers can be added for use with stock thicker than 2 Att...

Page 6: ...s with non slip pads A minimum of two legs MUST be installed during any cutting operation Use at least one leg to the right and one leg to the left of the saw blade whenever possible Before every cut you must look through from the end of the tool after it is in an operational position to make sure the cutter will go through the tunnel between the legs throughout the cutting operation without touch...

Page 7: ...orkpiece The GRR RIPPER 3D Pushblock system must be used in an absolute stable condition When a workpiece is narrow and is not covered by the leg on the left away from fence the Balance Support must be secured to the left leg so the bottom surface of the Balance Support is in full contact with the table top to secure the steadiness of the tool during the entire cutting operation The non slip pads ...

Page 8: ...ence with a flat front surface preferably at least 3 in height and square to the table saw top The rip fence must be long enough to cover the entire depth from the front to the rear of your table saw top The rip fence must also be equipped with a locking mechanism to secure it on the table saw top so that it is parallel to the saw blade at all scale settings WARNING DO NOT SKEW THE RIP FENCE The G...

Page 9: ...ough the front screw holes insert the O Rings from the back side See Figure 8 for detail INFO If you purchased the GR 200 do not confuse the smaller Black C and larger Orange O Rings D STEP 3 4 Handle 1 Main Body 2 3 2 1 G x2 Assemble Handle 1 to the top slots of Main Body 2 STEP 1 Close up view with Handle and Center Leg installed on Main Body Close up of O Ring embedded in counter bore Figure 5 ...

Page 10: ...grade Kit GRAK 404 please proceed to Step 6 on Page 11 TIP To keep the non slip pads working most effectively clean the contact surfaces with denatured alcohol or 91 rubbing alcohol and a shop rag prior to use Repeat cleaning during use as necessary when saw dust accumulates Do not use if Green GRR RIP is not effectively gripping the workpiece Please contact MICROJIG in regards to product issues E...

Page 11: ...d with its straight edge facing the GRR RIPPER TIP Push the Orange O Ring D through the T Bolt M all the way down making contact with the Stabilizing Plate 7 before inserting the Shoulder Washer P and the Thumb Knob N 7 6 On top of slot N2 x2 P x2 Orange D x2 M x2 D Reversible The Adjustable Spacer 8 can be attached to either side of the GRR RIPPER as needed It can be used with the non slip pad do...

Page 12: ... position and grip the Handle 1 Place the other on the top of the Main Body 2 to provide added pressure against the rip fence additional forward feeding and firm downward pressure on the workpiece WARNING NEVER feed stock using bare hands when using the GRR RIPPER For best cutting results use one non stop feed from start to finish do not pause during the cutting operation Push the workpiece comple...

Page 13: ...width of the cut is between 1 4 to 5 8 on the Inside Cut use the 1 4 Side Leg 5 on the right against the rip fence If the width of the cut is less than 1 4 it should be obtained from Outside Cut as shown in Figure 15 on Page 14 One advantage of using the GRR RIPPER for cutting thin strips over the conventional push block method is that the width of your prepared stock on the Inside Cut area is sub...

Page 14: ...the saw blade since no pressure is required on the left side of the cut Fig 15 Outside Cut Inside Cut Balance Support 1 2 Leg 4 6 1 Figure 15 USING THE 1 4 LEG USING THE 1 2 LEG 5 1 Outside Cut Inside Cut Rip fence parallel to the saw blade Always keep the GRR RIPPER in full contact against the rip fence 1 4 Leg Saw Blade Figure 14 Use the 1 4 Leg 5 against the fence for cutting width Inside Cut o...

Page 15: ... Skew Handle 1 to exert auto pressure against the fence when pushed BALANCE SUPPORT SPACER Add a wooden spacer for thicker stock use 8 pan head wood screws washers not included Adjustable Spacer INFO This is a translucent bottom view with the table saw top removed for clarity The GRR RIPPER GR 200 is feeding irregularly shaped stock to obtain a straight edge Notice the 1 2 Leg 5 does not cover the...

Page 16: ...ooden spacer can be added to the Balance Support 6 for stock wider than 2 see Figure 3 on Page 5 INFO Watch the online video to see this and many other techniques microjig com worksafer Resaw to 1 4 Inside Cut or thicker in one pass as shown in Figure 18 Note Handle 1 location Figure 18 With one of the Side Legs removed the Center Leg 3 is registered against the rip fence and the Stabilizing Plate...

Page 17: ...200 as a second fence to box in the workpiece on the router table For stock longer than 16 please use two GRR RIPPERs in a leap frog operation to continuously feed the workpiece INFO Watch the online video microjig com leapfrog Securely holds and guides a small workpiece against a template without tipping over Use Balance Support 6 to stabilize the GRR RIPPER when working with narrow or small mate...

Page 18: ...ps safely accurately and consistently on a table saw with the GRR RIPPER 1 8 Leg SEE IT IN ACTION Watch the online video microjig com thinleg Fits all existing GRR RIPPER models Unique arch design gives the handle four points of contact to evenly distribute the downward pressure Allows you to angle the handle for more ergonomic comfort ith HB Close up Fig on page 18 ...

Page 19: ...el hooks onto the tail end of your workpiece and automatically retracts when midboard Reduces tearout on table saws and router tables Adjustable depth and can lock into position SEE IT IN ACTION Watch the online video microjig com gravityheel Upgrade your GRR RIPPER today Buy accessories and more at microjig com store ...

Page 20: ...OCK s cutting edge technology increases safety and stability when working with jointers band saws router tables shapers and table saws VERSATILITY Use the 90 degree flip guide for veneers or resawing on band saws Or use GRR RIP BLOCK against the router fence for beaded face frames and other profiles The Gravity Heels still engage vertically for superior control PROTECTION Wield improved control ov...

Page 21: ...ring through each cut with the GRR RIPPER SEE IT IN ACTION Watch the online video microjig com microdial VERSATILE TAPERED LEGS Create 2 4 6 or 8 sided tapered legs Use on the router table to create custom tapered profiles for exquisite detail on your project legs WORK WITH PRECISION The interlocking COLORMATCH system ensures the angle of your taper to 1 8th of a degree incrementally up to 10 degr...

Page 22: ...rs and table saw sleds to the next level of precision By using the One touch Calibration you instantly fill the full width of the miter slot for no side to side play Top Down Installation Square your sled as you tighten Precisely Square Achieve perfectly square cuts Build essential shop sleds jigs and fixtures Hassle free miter bars Fits any standard 3 4 x 3 8 T Track ShopSmith and General 350 tra...

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