Grizzly Industrial T25920 - Manual

-6- Model T25920/T25926 (Mfd. Since 08/14) Figure 1. T25920/T25926 control and component identification. A. Headstock B. Faceplate C. Tool Rest D. Live Center E. Tailstock Lock Lever F. Quill Lock Lever G. Quill Handwheel H. Tailstock Identification A B To reduce your risk of serious injury, read th...

Model T25920/T25926 (Mfd. Since 08/14) -7- Controls & Components To reduce your risk of serious injury, read this entire manual BEFORE using machine. Figure 3. RPM display on headstock. Use descriptions and figures below to become familiar with basic controls of your lathe. ON /OFF Switch: Turns...

-8- Model T25920/T25926 (Mfd. Since 08/14) 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 a...

-10- Model T25920/T25926 (Mfd. Since 08/14) INTEGRITY OF STOCK. Verify each workpiece is free of knots, splits, nails, or foreign material to ensure it can safely rotate on spindle without breaking apart or causing turning tool kickback. WORKPIECE PREPARATION. Before mounting, cut off waste portions...

Model T25920/T25926 (Mfd. Since 08/14) -11- 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 m...

-14- Model T25920/T25926 (Mfd. Since 08/14) 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 ...

Model T25920/T25926 (Mfd. Since 08/14) -15- Site Considerations Figure 8. T25920 minimum working clearances. Figure 9. T25926 minimum working clearances. Children and visitors may be seriously injured if unsuper- vised around this machine. Lock entrances to the shop or disable start switch or power ...

-16- Model T25920/T25926 (Mfd. Since 08/14) Assembly Assembly consists of installing the electrical boxonto the base with two pre-installed Phillips head screws, then installing the handwheel handle onto the tailstock quill with the pre-installed flathead screw. To assemble machine: 1. Use (2) pre-i...

Model T25920/T25926 (Mfd. Since 08/14) -17- SECTION 4: OPERATIONS To complete a typical operation, the operator does the following: 1. Examines workpiece to make sure it is suit- able for turning. No extreme bows, knots, or cracks should exist. 2. Prepares and trims workpiece to make it roughly conc...

-18- Model T25920/T25926 (Mfd. Since 08/14) Stock Inspection & Requirements Some workpieces are not safe to turn or may require modification before they are safe to turn. Before turning a workpiece, inspect all workpieces for the following: • Workpiece Type: This machine is intended for cutting ...

-20- Model T25920/T25926 (Mfd. Since 08/14) The tailstock is equipped with a cam-action clamping system to secure it to the lathe bed. When the lock lever is engaged, a plate lifts and secures the tailstock to the bed. Tool Needed:Wrench 12mm ................................................... 1 To ...

Model T25920/T25926 (Mfd. Since 08/14) -21- The tool rest base is equipped with a cam-action clamping system to secure it to the lathe bed. When the lever is engaged, a locking plate lifts up and secures the tool rest base to the bed. Positioning Along Bed 1. Disengage base lock lever and slide tool...

-22- Model T25920/T25926 (Mfd. Since 08/14) Figure 25. Typical spur center removal from headstock spindle. Knockout Rod Installing /Removing Tailstock Center The included live center installs into the tailstock with an MT#2 tapered fit. Installing Live Center in Tailstock 1. Loosen quill lock handle...

Model T25920/T25926 (Mfd. Since 08/14) -23- Removing Live Center from Tailstock 1. Loosen quill lock handle (if locked) approxi- mately half a turn. 2. Turn quill handwheel counterclockwise until tailstock quill fully retracts, causing live center to be forced out of quill. 4. Tighten quill lock han...

-24- Model T25920/T25926 (Mfd. Since 08/14) • Scrapers—Typically used where access for other tools is limited, such as hollowing oper-ations. This is a flat, double-ground tool that comes in a variety of profiles (round nose, spear point, square nose, etc.) to match many different contours. Figure 3...

Model T25920/T25926 (Mfd. Since 08/14) -25- Spindle Turning Spindle turning is the operation performed when a workpiece is mounted between the headstock and the tailstock, as shown in Figure 32. Figure 32. Typical spindle turning operation. To set up a spindle turning operation: 1. Find center point...

-26- Model T25920/T25926 (Mfd. Since 08/14) 7. With workpiece still attached, insert spur cen- ter into headstock spindle (refer to Installing/ Removing Headstock Center on Page 22 for additional instructions). Note: Use the tool rest to support the oppo-site end of workpiece so that the workpiece a...

Model T25920/T25926 (Mfd. Since 08/14) -27- Faceplate Turning Faceplate turning is when a workpiece is mounted to the faceplate, which is then mounted to the headstock spindle, as shown in Figure 36. This type of turning is usually done with open-faced workpieces like bowls or plates. Figure 36. Typ...

-28- Model T25920/T25926 (Mfd. Since 08/14) Sanding /Finishing After the turning operations are complete, the workpiece can be sanded and finished before removing it from the lathe, as shown in Figure 39. Figure 39. Typical sanding operation. Note: Whenever sanding or finishing, move the tool rest h...

Model T25920/T25926 (Mfd. Since 08/14) -29- SECTION 5: ACCESSORIES H8049—6" 4-Jaw Wood Chuck 1Independently adjustable jaws hold odd shaped work. Jaws can be reversed for differ-ent holding applications. Includes chuck wrench. Figure 41. Model H8049 4-Jaw Wood Chuck. Figure 42. Model H6542 Rober...

Model T25920/T25926 (Mfd. Since 08/14) -31- SECTION 6: MAINTENANCE Schedule Lubricate locations shown in Figure 48 with light machine oil or G96 ® Gun Treatment. Lubrication Figure 48. Lubrication locations. Cleaning the Model T25920/T25926 is relatively easy. Vacuum excess wood chips and sawdust, a...

-32- Model T25920/T25926 (Mfd. Since 08/14) Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel-ops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support at (570) 546-9663. SECTION 7...

Model T25920/T25926 (Mfd. Since 08/14) -33- Symptom Possible Cause Corrective Action Vibration noise while machine is running; noise changes when speed is changed. 1. Belt cover loose. 1. Tighten the knobs that secure the belt cover; if nec- essary install a soft, vibration dampening material betwee...

-34- Model T25920/T25926 (Mfd. Since 08/14) Tensioning & Replacing Belt Tools Needed:Hex Wrenches 3mm, 6mm ........................... 1 EaRubber/Wood Mallet .......................................... 1 The drive belt stretches as the lathe is used. Most of the stretching will occur during the f...

Model T25920/T25926 (Mfd. Since 08/14) -35- Figure 52. Belt removal (pulley removed for clarity). 7. Place new belt over spindle pulley. 8. Slide spindle back through headstock and into original position. A mallet may be required to reseat bearing. 9. Install headstock spindle handwheel and tighten ...

-36- Model T25920/T25926 (Mfd. Since 08/14) Replacing Brushes Your machine is equipped with a universal motor that uses carbon brushes to transmit electri-cal current inside the motor. These brushes are considered to be regular "wear items" or "consumables" that will eventually need ...

Model T25920/T25926 (Mfd. Since 08/14) -37- 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...

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