Grizzly T28780 Owner's Manual
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Grizzly T28780 Owner's Manual

Router table w/lift
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MODEL T28780/T28781
ROUTER TABLE w/LIFT
OWNER'S MANUAL
(For models manufactured since 6/19)
T28780
T28781
COPYRIGHT © JULY, 2019 BY GRIZZLY INDUSTRIAL, INC.
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE
OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC.
#MN20484 PRINTED IN TAIWAN
V1.07.19

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Summary of Contents for Grizzly T28780

  • Page 1 (For models manufactured since 6/19) T28780 T28781 COPYRIGHT © JULY, 2019 BY GRIZZLY INDUSTRIAL, INC. WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL, INC. #MN20484 PRINTED IN TAIWAN V1.07.19...
  • Page 2 This manual provides critical safety instructions on the proper setup, operation, maintenance, and service of this machine/tool. Save this document, refer to it often, and use it to instruct other operators. Failure to read, understand and follow the instructions in this manual may result in fire or serious personal injury—including amputation, electrocution, or death.

  • Page 3: Table Of Contents

    Schedule ............39 Identification ........... 3 Cleaning & Protecting ........39 Controls & Components ......... 4 T28780 Machine Data Sheet ......5 SECTION 7: SERVICE ........40 T28781 Machine Data Sheet ......7 Troubleshooting ........... 40 Aligning Mounting Plate ....... 41 SECTION 1: SAFETY ........

  • Page 4: Introduction

    ID label (see below). This information is required for us to provide proper tech support, and it helps us determine if updated documenta- tion is available for your machine. Manufacture Date Serial Number Model T28780 T28781 (Mfd. Since 06/19)

  • Page 5: Identification

    Always keep router bit guard in place and in proper operating condition. c) Feed workpiece AGAINST rotation of router bit. d) Keep fingers away from revolving bit–use fixtures when necessary. e) Do not use awkward hand positions. Model T28780 T28781 (Mfd. Since 06/19)

  • Page 6: Controls & Components

    K. Index Ring. Insert crank handle and rotate to D. Fence Locks. Tighten and loosen fence move carriage up and down. assembly for front-to-rear adjustment. E. ON/OFF Switch. Turns router ON and OFF. Remove key to disable switch. Model T28780 T28781 (Mfd. Since 06/19)

  • Page 7: T28780 Machine Data Sheet

    Power Cord Length ................................6 ft. Power Cord Gauge ............................... 14 AWG Plug Included ..................................Yes Included Plug Type ..............................NEMA 5-15 Switch Type ......................ON/OFF Paddle Switch w/Removable Key Model T28780 T28781 (Mfd. Since 06/19) Model T28780 Page 1 of 2...
  • Page 8 Clear Polycarbonate Router Guard & Dust Shroud Fence Assembly with Individually Adjustable Fences Enclosed Dust Box Adjustable Feet Accessories: Table Insert w/1-1/4" Diameter Bit Hole Table Insert Wrench Starting Pin Hex Wrench 3mm Model T28780 T28781 (Mfd. Since 06/19) Page 2 of 2 Model T28780...

  • Page 9: T28781 Machine Data Sheet

    Power Cord Length ................................6 ft. Power Cord Gauge ............................... 14 AWG Plug Included ..................................Yes Included Plug Type ..............................NEMA 5-15 Switch Type ......................ON/OFF Paddle Switch w/Removable Key Model T28780 T28781 (Mfd. Since 06/19) Model T28781 Page 1 of 2...
  • Page 10 Clear Polycarbonate Router Guard & Dust Shroud Fence Assembly with Individually Adjustable Fences Enclosed Dust Box Adjustable Feet Accessories: Table Insert w/1-1/4" Diameter Bit Hole Table Insert Wrench Starting Pin Hex Wrench 3mm Model T28780 T28781 (Mfd. Since 06/19) Page 2 of 2 Model T28781...

  • Page 11: Section 1: Safety

    Never operate under the influence of drugs or injury or blindness from flying particles. Everyday alcohol, when tired, or when distracted. eyeglasses are NOT approved safety glasses. Model T28780 T28781 (Mfd. Since 06/19)
  • Page 12 Make sure they are properly installed, you experience difficulties performing the intend- undamaged, and working correctly BEFORE ed operation, stop using the machine! Contact our operating machine. Technical Support at (570) 546-9663. -10- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 13: Additional Safety For Router Tables

    " of clearance between shank and bottom of collet to ensure bit mended speed of any router bit. Doing so can cause bit to fracture or explode and cause injury. is securely installed. -11- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 14: Section 2: Power Supply

    -12- Model T28780 T28781 (Mfd. Since 06/19)
  • Page 15 5-15 RECEPTACLE Connecting to ON/OFF Paddle Switch Grounding Pin The Models T28780 & T28781 include an ON/ OFF paddle switch with disabling key. Two power cords are connected to the switch. The shorter power cord has a 5-15 receptacle and connects to the router power cord.

  • Page 16: Section 3: Setup

    IMPORTANT: Save all packaging materials until you are completely satisfied with the machine and have resolved any issues between Grizzly or the shipping agent. You MUST have the original pack- aging to file a freight claim. It is also extremely helpful if you need to return your machine later.

  • Page 17: Inventory

    Box 1 Contents T28780 (Figure 5) A. Table ............1 Figure 7. Box 2 inventory. Figure 5. Box 1 inventory (T28780).
  • Page 18 If you cannot find an item on this list, care- fully check around/inside the machine and packaging materials. Often, these items get lost in packaging materials while unpack- ing or they are pre-installed at the factory. Figure 9. Box 4 inventory. -16- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 19: Hardware Recognition Chart

    Hardware Recognition Chart USE THIS CHART TO MATCH UP HARDWARE DURING THE INVENTORY AND ASSEMBLY PROCESS. Flat Head Screw -17- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 20: Cleanup

    Figure 10. T23692 Orange Power Degreaser. Repeat Steps 2–3 as necessary until clean, then coat all unpainted surfaces with a quality metal protectant to prevent rust. -18- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 21: Site Considerations

    Shadows, glare, or strobe effects that may distract access restricted location. or impede the operator must be eliminated. Wall Wall Min. 30" Min. 30" Dust Port Dust Port 32" 32" 56" 44" T28780 T28781 Figure 11. Minimum working clearances. -19- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 22: Assembly

    Place table on stand, as shown below, and bolts. attach with (8) ⁄ -18 x ⁄ flange bolts. Table Long Braces Stand Bolts Figure 13. Leg assemblies attached. Figure 16. Router table attached to stand. -20- Model T28780 T28781 (Mfd. Since 06/19)
  • Page 23 (2) ⁄ " flat washers, and (2) ⁄ -20 hex Screws nuts. Figure 18. Router lift assembly positioned inside table opening. Dust Shroud Fence Base Figure 20. Dust shroud attached to fence base. -21- Model T28780 T28781 (Mfd. Since 06/19)
  • Page 24 (4) ⁄ -20 steel knobs (see Ball Figure 23). Knob Shaft Knobs & Flat Washers (2 of 4) Washer Figure 25. Fence locks installed. Fence Figure 23. Infeed fence secured to base. -22- Model T28780 T28781 (Mfd. Since 06/19)
  • Page 25 (1) ⁄ -20 x ⁄ knob bolt. Knob Guard Knob Knob Bolt Y-Fitting Figure 28. Router bit guard secured to fence Figure 31. Y-fitting attached to dust port. with plastic knobs. -23- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 26: Installing Router

    ⁄ dust shroud and Y-fitting. Secure with 2 ⁄ " hose clamps. The router lift on the Model T28780/T28781 is designed with clamping plates (see Figure 34) that accept router body diameters from 3.125"– Shroud 4.25". Each one of the four clamping plates has two curved edges—one deep and one shallow.
  • Page 27 ALWAYS make sure router is firmly secured IMPORTANT: When positioning the router in clamping plates before beginning the clamping plates, take into account access to operations. router controls, such as variable-speed dial, depth adjustments, and other locks or levers. -25- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 28: Leveling Router Table

    ON/OFF switch. The feet on the Model T28780/T28781 are adjust- able and used to level the router table. This keeps ON/OFF it from rocking during routing operations.

  • Page 29: Dust Collection

    Y-Fitting Dust Hose Figure 40. Example of 4" dust hose connected Y-fitting. Tug hose to make sure it does not come off. A tight fit is necessary for proper performance. -27- Model T28780 T28781 (Mfd. Since 06/19)
  • Page 30 Congratulations! The test run is complete. table OFF. The router table is ready for operation. Remove switch-disabling key, as shown in Figure 41. Figure 41. Removing switch key from paddle switch. -28- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 31: Section 4: Operations

    Read books/magazines or get formal training before beginning any proj- ects. Regardless of the content in this sec- tion, Grizzly Industrial will not be held liable for accidents caused by lack of training. -29- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 32: Disabling Switch

    It is NOT designed to cut metal, glass, stone, tile, products with lead-based paint, or products that contain asbestos. Cutting these materi- als with a router may lead to injury. -30- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 33: Squaring Fence & Table

    " T-slot. These can be used for attaching router table accessories like a miter Figure 45. Adjusting fence parallel with table gauge, jig, or featherboard. T-slot. T-slots Figure 44. Location of router table T-slots on Model T28780. -31- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 34: Adjusting Fence

    Adjusting Fence Adjusting Router Bit Guard The fence assembly on the Model T28780/ T28781 has an infeed fence and an outfeed fence. A clear router bit guard is included with the Model These can be moved side to side to increase or T28780/T28781 (see Figure 47) to provide addi- decrease the space around the router bit.

  • Page 35: Adjusting Router Height

    (see Figure 49) against plate Router Height to secure position. Jam Nut The Model T28780/T28781 is equipped with a manually operated router lift that can be adjusted via the index ring in the mounting plate. Lock Screw...

  • Page 36: Edge Jointing

    Raise bit just above top of workpiece, then properly positioned and secured before rotate it by hand until cutting flute is perpen- connecting router to power (does not apply dicular to fence. to free-hand routing). -34- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 37: Profile Routing

    Lock fence in place, tighten all knobs, con- nect router table to power, then perform cut. cut out profile Mount with of cutter & spindle flat head screws Figure 54. Example of a zero-clearance fence board. -35- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 38: Free-Hand Routing

    Swing Starting Pin Collar Workpiece Feed Direction Figure 55. Illustration of free-hand routing using a starting pin. -36- Model T28780 T28781 (Mfd. Since 06/19)
  • Page 39 Rest workpiece against starting pin, turn rout- er ON, then slowly pivot and feed workpiece into router bit. After cut is started, move workpiece against guide bearing and away from starting pin. -37- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 40: Section 5: Accessories

    Figure 59. Model H5554 20-Pc. ⁄ " shank router bit set. Figure 61. Model T21778 The Router: A Beginner’s Guide DVD. www.grizzly.com 1-800-523-4777 order online at or call -38- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 41: Section 6: Maintenance

    To reduce risk of shock or accidental startup, always disconnect machine from power before adjustments, Cleaning the Model T28780/T28781 is relatively maintenance, or service. easy. Vacuum excess sawdust and wipe off the remaining dust with a dry cloth. If any resin has...

  • Page 42: Section 7: Service

    1. Inconsistent feeding speed. 1. Use consistent feed rate. Divots in edge of cut. 2. Inconsistent pressure against fence. 2. Apply constant pressure. 3. Fence not adjusted correctly. 3. Adjust fence correctly (Page 32). -40- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 43: Aligning Mounting Plate

    Figure 63. Secure mounting plate to table with cap screws removed in Step 3. Table Surface Mounting Plate Straightedge Figure 63. Pattern for aligning mounting plate to table. -41- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 44: Section 8: Wiring

    Technical Support at (570) 546-9663. The photos and diagrams included in this section are best viewed in color. You can view these pages in color at www.grizzly.com. -42- Model T28780 T28781 (Mfd. Since 06/19)

  • Page 45: Wiring Diagram

    ON/OFF PADDLE SWITCH (Viewed from Behind) 110 VAC J1708W2 125V 5-15 Receptacle Neutral Ground Ground Neutral 110 VAC 5-15 Plug Figure 65. ON/OFF switch and 110V outlet wiring. READ ELECTRICAL SAFETY -43- Model T28780 T28781 (Mfd. Since 06/19) ON PAGE 42!

  • Page 46: Section 9: Parts

    SECTION 9: PARTS We do our best to stock replacement parts when possible, but we cannot guarantee that all parts shown are available for purchase. Call (800) 523-4777 or visit www.grizzly.com/parts to check for availability. Table & Stand BUY PARTS ONLINE AT GRIZZLY.COM! -44- Model T28780 T28781 (Mfd.
  • Page 47 Safety labels help reduce the risk of serious injury caused by machine hazards. If any label comes off or becomes unreadable, the owner of this machine MUST replace it in the original location before resuming operations. For replacements, contact (800) 523-4777 or www.grizzly.com. BUY PARTS ONLINE AT GRIZZLY.COM! -45- Model T28780 T28781 (Mfd.

  • Page 48: Router Lift

    GUIDE TUBE (ALUMINUM) PT28780135 SPANNER WRENCH 70MM PIN-TYPE PT28780117 BUSHING 16 X 20 X 20 (COPPER) PT28780136 CAP SCREW M4-.7 X 16 BUY PARTS ONLINE AT GRIZZLY.COM! -46- Model T28780 T28781 (Mfd. Since 06/19) Scan QR code to visit our Parts Store.

  • Page 49: Fence

    T-BOLT 5/16-18 X 1 PT28780207 HEX NUT 1/4-20 PT28780215 FLAT WASHER 5/16 PT28780208 FLAT WASHER 1/4 PT28780217 KNOB 1/4-20, D1, ROUND, KD BUY PARTS ONLINE AT GRIZZLY.COM! -47- Model T28780 T28781 (Mfd. Since 06/19) Scan QR code to visit our Parts Store.

  • Page 50: Labels & Cosmetics

    MACHINE ID LABEL (T28780) PT28780305 EYE EAR LUNG LABEL PT28781302 MACHINE ID LABEL (T28781) PT28780306 READ MANUAL LABEL PT28780303 GRIZZLY.COM LABEL BUY PARTS ONLINE AT GRIZZLY.COM! -48- Model T28780 T28781 (Mfd. Since 06/19) Scan QR code to visit our Parts Store.

  • Page 51: Warranty & Returns

    WARRANTY & RETURNS Grizzly Industrial, Inc. warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase. This warranty does not apply to defects due directly or indirectly to misuse, abuse, negligence, accidents, repairs or alterations or lack of maintenance.

This manual is also suitable for:

T28781

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