Page 3 - Table of Contents
Table of Contents INTRODUCTION ............................................... 2 Contact Info.................................................... 2Manual Accuracy ........................................... 2Identification ................................................... 3Machine Data Sheet ........
Page 4 - Contact Info; Manual Accuracy; INTRODUCTION
-2- Model G0920 (Mfd. Since 10/20) We stand behind our machines! If you have ques-tions or need help, contact us with the information below. Before contacting, make sure you get the serial number and manufacture date from the machine ID label. This will help us help you faster. Grizzly Technical Sup...
Page 5 - Identification
Model G0920 (Mfd. Since 10/20) -3- Identification Become familiar with the names and locations of the controls and features shown below to better understand the instructions in this manual. To reduce your risk of serious injury, read this entire manual BEFORE using machine. A. Conveyor Table w/Belt:...
Page 6 - Machine Data Sheet
-4- Model G0920 (Mfd. Since 10/20) The information contained herein is deemed accurate as of 7/6/2022 and represents our most recent product specifications. Due to our ongoing improvement efforts, this information may not accurately describe items previously purchased. PAGE 1 OF 2 Model G0920 MACHIN...
Page 8 - NOTICE; Safety Instructions for Machinery
-6- Model G0920 (Mfd. Since 10/20) ELECTRICAL EQUIPMENT INJURY RISKS. You can be shocked, burned, or killed by touching live electrical components or improperly grounded machinery. To reduce this risk, only allow qualified service personnel to do electrical installation or repair work, and always di...
Page 10 - Additional Safety for Drum Sanders
-8- Model G0920 (Mfd. Since 10/20) Additional Safety for Drum Sanders Serious injury or death can occur from getting hands trapped between workpiece and conveyor table and being pulled into machine, or becoming entangled in rotating parts inside machine. Workpieces thrown by sander can strike nearby...
Page 11 - SECTION 2: POWER SUPPLY; Availability
Model G0920 (Mfd. Since 10/20) -9- SECTION 2: POWER SUPPLY Availability Before installing the machine, consider the avail-ability and proximity of the required power supply circuit. If an existing circuit does not meet the requirements for this machine, a new circuit must be installed. To minimize t...
Page 12 - Extension Cords; Grounding Requirements
-10- Model G0920 (Mfd. Since 10/20) Improper connection of the equipment-grounding wire can result in a risk of electric shock. The wire with green insulation (with or without yellow stripes) is the equipment-grounding wire. If repair or replacement of the power cord or plug is nec-essary, do not co...
Page 13 - Needed for Setup; Unpacking
Model G0920 (Mfd. Since 10/20) -11- SECTION 3: SETUP Description Qty• Lifting Equipment (Rated for at least 500 lbs.) ........................ 1 • Additional People ....................................... 2 • Safety Glasses (for each person) ........ 1 Pair • Wrench or Socket 1 ⁄ 2 " ..............
Page 14 - Inventory
-12- Model G0920 (Mfd. Since 10/20) NOTICE 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. Inventory The following is a list o...
Page 16 - Hardware Recognition Chart
-14- Model G0920 (Mfd. Since 10/20) Hardware Recognition Chart USE THIS CHART TO MATCH UPHARDWARE DURING THE INVENTORYAND ASSEMBLY PROCESS. 5mm 5 mm Flat Head Cap Screw
Page 17 - Site Considerations; Weight Load; Space Allocation
Model G0920 (Mfd. Since 10/20) -15- Site Considerations Figure 6. Minimum working clearances. 42½" 43½" Infeed Clearance Outfeed Clearance Power Connection Dust Port Weight Load Refer to the Machine Data Sheet for the weight of your machine. Make sure that the surface upon which the machine ...
Page 18 - Assembly
-16- Model G0920 (Mfd. Since 10/20) Assembly The machine must be fully assembled before it can be operated. Before beginning the assembly process, refer to Needed for Setup and gather all listed items. To ensure the assembly process goes smoothly, first clean any parts that are cov-ered or coated in...
Page 24 - Anchoring to Floor; Anchoring to Concrete Floors; Dust Collection
-22- Model G0920 (Mfd. Since 10/20) Anchoring to Floor Anchoring machinery to the floor prevents tipping or shifting and reduces vibration that may occur during operation, resulting in a machine that runs slightly quieter and feels more solid. If the machine will be installed in a commercial or work...
Page 26 - SECTION 4: OPERATIONS
-24- Model G0920 (Mfd. Since 10/20) SECTION 4: OPERATIONS To reduce your risk of serious injury, read this entire manual BEFORE using machine. If you are not experienced with this type of machine, WE STRONGLY RECOMMEND that you seek additional training outside of this manual. Read books /magazines o...
Page 28 - Using
-26- Model G0920 (Mfd. Since 10/20) 3. Turn machine ON and feed workpiece into sander. SLOWLY lower sanding drum until workpiece makes light contact with sanding drum. This is correct height to begin sanding workpiece. 4. After initial pass, turn handwheel 1 ⁄ 4 turn ( 1 ⁄ 64 " or 0.4mm) or less...
Page 30 - Sanding Tips
-28- Model G0920 (Mfd. Since 10/20) • Feed boards into the sander at different plac-es on the conveyor to maximize sandpaper life and prevent uneven conveyor belt wear. • Extend the life of the sandpaper by regu-larly using a PRO-STIK ® sanding pad (see Page 33). • Run wide stock through two or thre...
Page 34 - SECTION 5: ACCESSORIES; order online at
-32- Model G0920 (Mfd. Since 10/20) SECTION 5: ACCESSORIES ACCESSORIES Installing unapproved accessories may cause machine to malfunction, resulting in serious personal injury or machine damage. To reduce this risk, only install accessories recommended for this machine by Grizzly. NOTICE Refer to ou...
Page 35 - SECTION 6: MAINTENANCE; Schedule
Model G0920 (Mfd. Since 10/20) -33- SECTION 6: MAINTENANCE For optimum performance from this machine, this maintenance schedule must be strictly followed. OngoingTo minimize your risk of injury and maintain proper machine operation, shut down the machine imme-diately if you ever observe any of the i...
Page 36 - Elevation Leadscrew & Slides; Lubrication
-34- Model G0920 (Mfd. Since 10/20) Elevation Leadscrew & Slides Lubrication Type ......... Model T28500 (Dry Lube)Oil Amount ......................................... As NeededCheck/Add Frequency .......................... 6 Months Lubricate the elevation leadscrew and slides with dry lubricati...
Page 37 - Troubleshooting
Model G0920 (Mfd. Since 10/20) -35- Review the troubleshooting procedures in this section if a problem develops with your machine. If you need replacement parts or additional help with a procedure, call our Technical Support. Note: Please gather the serial number and manufacture date of your machine...
Page 38 - Operation
-36- Model G0920 (Mfd. Since 10/20) Operation Symptom Possible Cause Possible Solution Sandpaper clogs quickly. 1. Sanding depth too deep/feed rate too slow. 2. Workpiece has high moisture content or sap. 3. Incorrect sandpaper grit.4. Poor dust collection. 5. Sandpaper loaded with sawdust and gum.6...
Page 40 - Tracking Conveyor Belt; Tensioning
-38- Model G0920 (Mfd. Since 10/20) 2. Hold lock nut still on side that conveyor belt tracks towards and tension tracking adjust-ment screw until conveyor belt tracks in opposite direction (see Figure 52). Note: Small tracking changes may take up to three minutes before they are noticeable. 3. When ...
Page 41 - Tensioning Conveyor Belt; Replacing
Model G0920 (Mfd. Since 10/20) -39- 2. Check that ends of both tensioning screws extend evenly approximately 1 / 4 " beyond lock nut, as shown in Figure 53. Figure 53. Example of tensioning screw extending beyond lock nut. Screw Extends Approximately 1 ⁄ 4 " 1. Turn machine ON and confirm th...
Page 42 - Making Blocks
-40- Model G0920 (Mfd. Since 10/20) 5. Have an assistant help you remove feed table and motor assembly from machine. 6. Slide conveyor belt off of table and clean any dirt or dust off of table and rollers. 7. Slide new conveyor belt on then re-install feed table and motor assembly on machine. 8. Re-...
Page 43 - Adjusting Gibs; CORRECT; Aligning Drum
Model G0920 (Mfd. Since 10/20) -41- The gibs apply pressure to the slides of the sand-ing head (see Figure 58). This allows the sanding head assembly to accurately move up and down when using the drum height handwheel. Figure 58. Location of rear slide and lock nut. If the gibs are too loose, the sa...
Page 45 - Adding Conveyor Table Shims
Model G0920 (Mfd. Since 10/20) -43- — If B measurement was larger than A mea- surement, loosen (2) hex nuts shown in Figure 63 and tighten (2) hex bolts until measurements are equal. Figure 63. Adjustment hardware for left side. 10. When difference between A and B is 0.002" or less, tighten hex ...
Page 46 - Adjusting
-44- Model G0920 (Mfd. Since 10/20) 6. Find largest size feeler gauge that can pass between front pressure roller and gauge block. (Feeler gauge should slide with moder-ate resistance, without forcing drum to roll.) — If gap is 0.004" (0.1mm) or less, then no adjustment of front pressure plate i...
Page 47 - Replacing Brushes
Model G0920 (Mfd. Since 10/20) -45- 8. At each end of pressure roller that requires adjustment, tighten set shown in Figure 68 an equal amount. Figure 68. Pressure roller adjustment set screw. — Rotate screws clockwise to lower pressure roller or counterclockwise to raise pres-sure roller. 9. Adjust...
Page 48 - Wiring Safety Instructions
-46- Model G0920 (Mfd. Since 10/20) SHOCK HAZARD. Working on wiring that is con-nected to a power source is extremely dangerous. Touching electrified parts will result in personal injury including but not limited to severe burns, electrocution, or death. Disconnect the power from the machine before ...
Page 49 - SWITCH BOX; DRUM MOTOR; Wiring
Model G0920 (Mfd. Since 10/20) -47- READ ELECTRICAL SAFETY ON PAGE 46! Circuit Board SWITCH BOX LINE LOAD Circuit Breaker KUOYUH 68 SERIES 9A B10K Potentiometer Hot Hot Ground 6-15 Plug 230 VAC G 13 14 23 24 ON/OFF Switch KEDU KJD17B-16 M+ M- AC AC1 Ground Hot Hot 6-15 Receptacle 230 VAC Hot Hot Gro...
Page 50 - Electrical Component Photos
-48- Model G0920 (Mfd. Since 10/20) READ ELECTRICAL SAFETY ON PAGE 46! Electrical Component Photos Figure 72. Start capacitor. Figure 70. Switch box. Figure 73. Run capacitor. Figure 71. Motor junction box.
Page 52 - Main Parts List
-50- Model G0920 (Mfd. Since 10/20) BUY PARTS ONLINE AT GRIZZLY.COM ! Scan QR code to visit our Parts Store. REF PART # DESCRIPTION REF PART # DESCRIPTION 1 P0920001 SANDING BELT PLATEN 63 P0920063 HEX BOLT M10.1.5 X 40 2 P0920002 OUTFEED ROLLER 64 P0920064 CAP SCREW M6-1 X 15 3 P0920003 INFEED ROLL...
Page 53 - Drum
Model G0920 (Mfd. Since 10/20) -51- BUY PARTS ONLINE AT GRIZZLY.COM ! Scan QR code to visit our Parts Store. Drum 251 228 229 227 236 316 247 257 234 233 225 243 245 239 240 224 244 248 346 241 238 249 237 346 238 223 237 226 246 222 247 221 230 279 230 236 253 283 255 232 231 258 205 231 232 234 23...
Page 54 - Drum Parts List
-52- Model G0920 (Mfd. Since 10/20) BUY PARTS ONLINE AT GRIZZLY.COM ! Scan QR code to visit our Parts Store. Drum Parts List REF PART # DESCRIPTION REF PART # DESCRIPTION 205 P0920205 BUSHING 248 P0920248 PHLP HD SCR M5-.8 X 20 221 P0920221 DRUM CASE 249 P0920249 HEX NUT M5-.8 222 P0920222 DRUM ROLL...
Page 55 - Cabinet
Model G0920 (Mfd. Since 10/20) -53- BUY PARTS ONLINE AT GRIZZLY.COM ! Scan QR code to visit our Parts Store. Cabinet 471 456 455 455 475 455 475 485 482 481 485 481 482 466 466 482 481 471 456 455 456 450 469 459 470 469 459 470 481 482 467 476 463 464 465 461 462 468 456 450 REF PART # DESCRIPTION ...
Page 56 - Extension Tables
-54- Model G0920 (Mfd. Since 10/20) BUY PARTS ONLINE AT GRIZZLY.COM ! Scan QR code to visit our Parts Store. Extension Tables 588 587 587 571 555 555 571 530 547 590 527 571 555 555 571 587 587 588 524 525 524 525 527 527 527 590 590 590 522 523 523 522 589 589 528 528 528 528 529 529 529 529 562 56...
Page 57 - Control Panel
Model G0920 (Mfd. Since 10/20) -55- BUY PARTS ONLINE AT GRIZZLY.COM ! Scan QR code to visit our Parts Store. Control Panel 601 600 602 604 608 603 698 699 605 606 607 685 681 682 610 632 609 649 686 683 650 650 650 651 649 649 682 684 REF PART # DESCRIPTION REF PART # DESCRIPTION 600 P0920600 STRAIN...
