MODEL G0838 16" X 24" VARIABLE-SPEED WOOD LATHE OWNER'S MANUAL (For models manufactured since 10/17) COPYRIGHT © MAY, 2018 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. #BL19452 PRINTED IN CHINA V1.05.
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. The owner of this machine/tool is solely responsible for its safe use.
Table of Contents INTRODUCTION................................................ 2 Contact Info.................................................... 2 Manual Accuracy............................................ 2 Identification.................................................... 3 Controls & Components.................................. 4 Machine Data Sheet....................................... 5 SECTION 1: SAFETY........................................ 7 Safety Instructions for Machinery...................
INTRODUCTION Contact Info Manual Accuracy We stand behind our machines! If you have questions 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. We are proud to provide a high-quality owner’s manual with your new machine! Grizzly Technical Support 1815 W. Battlefield Springfield, MO 65807 Phone: (570) 546-9663 Email: techsupport@grizzly.
Identification Become familiar with the names and locations of the controls and features shown below to better understand the instructions in this manual.
Controls & Components E. Belt-Tension Lever: Increases/decreases amount of tension on belt. F. Belt-Tension Lock Handle: Locks belt tension lever in place. H I To reduce your risk of serious injury, read this entire manual BEFORE using machine. J G Refer to Figures 1–3 and the following descriptions to become familiar with the basic controls of this machine. A Figure 2. Tailstock controls. G. Tailstock Lock Lever: Secures tailstock in position along bed. B C F E H.
MACHINE DATA SHEET Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901 MODEL G0838 16" X 24" VARIABLE‐SPEED WOOD LATHE Product Dimensions: Weight.............................................................................................................................................................. 322 lbs. Width (side-to-side) x Depth (front-to-back) x Height............................................................... 60-1/2 x 23-1/2 x 48 in.
Spindle Information Spindle Taper............................................................................................................................................ MT#2 Spindle Thread Size............................................................................................................................ 1" x 8 TPI Spindle Thread Direction............................................................................................................................ Right Spindle Bore...........
SECTION 1: SAFETY For Your Own Safety, Read Instruction Manual Before Operating This Machine The purpose of safety symbols is to attract your attention to possible hazardous conditions. This manual uses a series of symbols and signal words intended to convey the level of importance of the safety messages. The progression of symbols is described below. Remember that safety messages by themselves do not eliminate danger and are not a substitute for proper accident prevention measures.
WEARING PROPER APPAREL. Do not wear clothing, apparel or jewelry that can become entangled in moving parts. Always tie back or cover long hair. Wear non-slip footwear to reduce risk of slipping and losing control or accidentally contacting cutting tool or moving parts. HAZARDOUS DUST. Dust created by machinery operations may cause cancer, birth defects, or long-term respiratory damage. Be aware of dust hazards associated with each workpiece material.
Additional Safety for Wood Lathes Serious injury or death can occur from getting entangled in, crushed between, or struck by rotating parts on a lathe! Rotating workpieces can come loose and strike operator or bystanders with deadly force if they are improperly secured, rotated too fast, or are not strong enough for the rotational forces required for turning. Improper tool setup or usage can cause tool kickback or grabbing, resulting in impact injury or entanglement.
SECTION 2: POWER SUPPLY Availability Circuit Information Before installing the machine, consider the availability 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 the risk of electrocution, fire, or equipment damage, installation work and electrical wiring must be done by an electrician or qualified service personnel in accordance with all applicable codes and standards.
Grounding Requirements This machine MUST be grounded. In the event of certain malfunctions or breakdowns, grounding reduces the risk of electric shock by providing a path of least resistance for electric current. This machine is equipped with a power cord that has an equipment-grounding wire and a grounding plug. Only insert plug into a matching receptacle (outlet) that is properly installed and grounded in accordance with all local codes and ordinances.
SECTION 3: SETUP Needed for Setup This machine presents serious injury hazards to untrained users. Read through this entire manual to become familiar with the controls and operations before starting the machine! Wear safety glasses during the entire setup process! HEAVY LIFT! Straining or crushing injury may occur from improperly lifting machine or some of its parts. To reduce this risk, get help from other people and use a forklift (or other lifting equipment) rated for weight of this machine.
Inventory The following is a list of items shipped with your machine. Before beginning setup, lay these items out and inventory them. If any non-proprietary parts are missing (e.g. a nut or a washer), we will gladly replace them; or for the sake of expediency, replacements can be obtained at your local hardware store. B. C. D. E. F. G. H. I. J. Stand Legs.................................................. 2 Machine Feet w/Hex Nuts........................... 4 Tool Holder....................................
Hardware Recognition Chart USE THIS CHART TO MATCH UP HARDWARE DURING THE INVENTORY AND ASSEMBLY PROCESS. Flat Head Cap Screw 5mm 5mm -14- Model G0838 (Mfd.
Cleanup The unpainted surfaces of your machine are coated with a heavy-duty rust preventative that prevents corrosion during shipment and storage. This rust preventative works extremely well, but it will take a little time to clean. Be patient and do a thorough job cleaning your machine. The time you spend doing this now will give you a better appreciation for the proper care of your machine's unpainted surfaces.
Site Considerations Weight Load Physical Environment Refer to the Machine Data Sheet for the weight of your machine. Make sure that the surface upon which the machine is placed will bear the weight of the machine, additional equipment that may be installed on the machine, and the heaviest workpiece that will be used. Additionally, consider the weight of the operator and any dynamic loading that may occur when operating the machine.
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 covered or coated in heavy-duty rust preventative (if applicable). 4. If bolting lathe to floor, skip to Step 7. Otherwise, move tailstock, tool rest assembly, and headstock to one end of lathe bed way (refer to Operations, beginning on Page 20). 5.
7. Place level on lathe bed and make necessary adjustments so bed is level from side-to-side and front-to-back. Anchoring to Floor — If you are using machine feet, adjust top and bottom hex nuts on each foot to level bed; then tighten hex nuts to secure these adjustments. Number of Mounting Holes............................. 4 Diameter of Mounting Hardware.................. 3 ⁄ 8" — If you are bolting lathe to floor, use shims under legs to level bed; then tighten mounting fasteners. 8.
Test Run Emergency Stop Button Once assembly is complete, test run the machine to ensure it is properly connected to power and safety components are functioning correctly. If you find an unusual problem during the test run, immediately stop the machine, disconnect it from power, and fix the problem BEFORE operating the machine again. The Troubleshooting table in the SERVICE section of this manual can help.
SECTION 4: OPERATIONS Operation Overview The purpose of this overview is to provide the novice machine operator with a basic understanding of how the machine is used during operation, so the machine controls/components discussed later in this manual are easier to understand. Due to the generic nature of this overview, it is not intended to be an instructional guide.
Workpiece Inspection Adjusting Headstock Some workpieces are not safe to turn or may require modification before they are safe to turn. Before turning, inspect all workpieces for the following: The Model G0838 headstock is equipped with a cam-action clamping system to secure it to the lathe bed. When the lever is tightened, a locking plate lifts up underneath the bed and secures the headstock in place. The headstock can be positioned anywhere along the lathe bed.
Tool Rest Adjusting Tailstock Adjusting Tool Rest The tailstock adjusts in the same manner as the headstock. The tool rest assembly consists of two components: the tool rest base (or banjo) and the tool rest. The tool rest base moves forward/backward and along the length of the lathe bed. The tool rest rotates and moves up and down in the tool rest base. Locks for both components allow you to secure the tool rest in position after making these adjustments. To position tailstock along length of bed: 1.
To adjust tool rest: 1. Loosen tool rest base lock lever and move tool rest assembly to desired position on lathe bed, as shown in Figure 19. Note: To maximize support, the tool rest base should always be locked on both sides of the bed. Never pull the tool rest so far back that it is only secured on one side. Tool Rest Lock Handle Tool Rest Tool Rest Base Lock Lever Installing/Removing Headstock Center The included spur center installs in the headstock Headstock spindle withCenter an MT#2 tapered fit.
Removing Headstock Center 1. DISCONNECT MACHINE FROM POWER! 2. Hold a clean rag under spindle or wear leather glove to catch center when you remove it. 3. Insert knockout tool through outbound end of spindle and firmly tap back of center, catching it as it falls, as shown in Figure 21. Knockout Tool Installing/Removing Tailstock Center The included live center installs into the tailstock quill with an MT#2 tapered fit. Item Needed Qty Leather Glove/Clean Rag...................................
5. Make sure center of quill lock handle is aligned with quill keyway to ensure tailstock center and quill will not freely rotate under load (see Figure 23). Quill Lock Handle Installing Faceplate These instructions cover removing and installing the faceplate. To mount a workpiece to your faceplate, refer to Faceplate Turning on Page 30. Tools Needed Qty Indexing Pin........................................................ 1 Hex Wrench 3mm............................................... 1 Knockout Tool.....
4. Turn faceplate counterclockwise (see Figure 25) until it is removed. If the spur center is installed, it will be removed during this process. Changing Speed Ranges Changing Speed Ranges Your lathe has two speed ranges for maximum turning options. These ranges are selected by changing belt positions on the motor and spindle pulleys (see Figure 26). Faceplate Knockout Tool Spindle A = High Range 150-2900 RPM A B B = Low Range 100-1300 RPM Figure 25. Removing faceplate. Installing Faceplate 1.
5. Always choose correct spindle speed for an operation. Using wrong speed may lead to workpiece being thrown at high speed, causing severe or fatal impact injuries. Reach into belt access cavity and roll belt onto desired set of pulleys, as shown in Figure 30. Spindle To change speed ranges: A = High Range 150-2900 RPM 1. DISCONNECT MACHINE FROM POWER! B = Low Range 100-1300 RPM 2. Open front belt access cover, as shown in Figure 28. A B Motor Figure 30. Speed range belt positions. 6.
Spindle Turning Indexing Spindle Turning Always disconnect lathe from power before using indexing feature. DO NOT start lathe with indexing pin inserted into spindle; otherwise entanglement injury and property damage could occur. Spindle turning is the operation performed when a workpiece is mounted between centers in the headstock and tailstock, as shown in Figure 34. Bowls, table legs, tool handles, and candlesticks are typical projects where this operation is used.
To set up a spindle turning operation: 1. 6. Find center point of both ends of your workpiece by drawing diagonal lines from corner to corner across end of workpiece, as shown in Figure 35. Drive spur center into end center mark of workpiece with a wood mallet to embed it at least 1⁄4" into workpiece, as shown in Figure 37. Workpiece Pencil Lines Marked Diagonally Across Corners ¼" Workpiece Center Figure 37. Spur center properly embedded. Figure 35.
12. Before beginning lathe operation, rotate workpiece by hand to ensure there is safe clearance on all sides. Keep lathe tool resting on tool rest the ENTIRE time it is in contact with workpiece or when preparing to make contact between lathe tool and workpiece. Otherwise, spinning workpiece could force lathe tool out of your hands or entangle your hands with workpiece. Failure to heed this warning could result in serious personal injury.
2. Center faceplate on workpiece and attach it (see Figure 39) with wood screws. Mounting Workpiece on Backing Block Items Needed Qty Piece of Scrap Wood......................................... 1 Precision Ruler................................................... 1 Drill Bit 1⁄4"........................................................... 1 Glue.................................................... As Needed Clamp.................................................................
Outboard Turning Outboard turning is a variation of faceplate turning and is accomplished with the headstock positioned so the faceplate is not directly over the bed, allowing a larger turning capacity than the swing specification of the lathe. The only way to rotate the headstock on this machine is to remove it from the bed first, which can be a heavy and cumbersome task. A much simpler alternative to removing the headstock is to remove the tailstock and slide the headstock to the other end of the bed.
Selecting Turning Tools • Lathe tools come in a variety of shapes and sizes, and usually fall into five major categories. • Scrapers—Typically used where access for other tools is limited, such as hollowing operations. 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. Gouges—Mainly used for rough cutting, detail cutting, and cove profiles.
ACCESSORIES SECTION 5: 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. Swan Neck D3788—Shop Fox 5-Pc. Lathe Chisel Set With massive high speed steel blades and long ash handles, this set includes a 1" roughing gouge, 3 ⁄ 8" straight chisel, swan neck hollowing tool, 3 ⁄ 8" spindle gouge, and 1⁄ 8" parting tool.
H7940—3-Pc. Lathe Scraper Set This set is ideal for bowl turning and detail work. Each chisel measures roughly 16" long with 10" ash handles and high speed steel blades. Set includes one round, one curved, and one 90° corner chisel. Figure 50. Model H7940 3-Pc. Scraper Set. G1069—Live Center Set A blend of quality and convenience, this Live Center Set offers seven interchangeable tips. High quality needle bearings prolong tool life and special tool steel body and tips are precisionground. Supplied in box.
SECTION 6: MAINTENANCE To reduce risk of shock or accidental startup, always disconnect machine from power before adjustments, maintenance, or service. Schedule For optimum performance from this machine, this maintenance schedule must be strictly followed. Ongoing To maintain a low risk of injury and proper machine operation, if you ever observe any of the items below, shut down the machine immediately and fix the problem before continuing operations: • • • • • Loose faceplate or mounting bolts.
SECTION 7: SERVICE 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 before calling. Troubleshooting Motor & Electrical Symptom Possible Cause Possible Solution Machine does not start, or powersupply fuse/breaker trips immediately after startup. 1. Emergency stop button depressed/at fault.
Wood Lathe Operation Symptom Possible Cause Possible Solution Bad surface finish. 1. Dull tooling or wrong tool used for task. 2. Tool height is not 1⁄8" above spindle centerline. 3. Spindle speed is wrong. 4. Excessive vibration. 1. Sharpen tooling, select correct tool for operation. 2. Adjust tool rest so tool is 1⁄8" above spindle centerline. 3. Adjust for appropriate spindle speed (Page 26). 4. Troubleshoot possible causes/solutions in this table.
Changing Belt Tensioning & Replacing Belt 4. Press belt with moderate pressure in center to check tension. Belt is correctly tensioned when there is approximately 1⁄8" deflection when pushed as shown in Figure 55. — If there is more than 1⁄8" deflection repeat the tensioning procedure until it is correct. If tension cannot be achieved replace belt. The drive belt stretches as the lathe is used. Most of the stretching will occur during the first 16 hours, but may continue with further use.
Aligning Pulleys The motor and spindle pulleys are aligned at the factory and should not require any adjustment. If they become misaligned over time, it is important that they be re-aligned in order to extend belt life and maximize the transfer of power from the motor to the spindle. 4. Slide motor pulley into alignment with spindle pulley. Note: When pulleys are properly aligned, there should be no unusual or pulsing sounds coming from the belt. 5. Tighten set screws and close belt access cover.
machine SECTION 8: WIRING These pages are current at the time of printing. However, in the spirit of improvement, we may make changes to the electrical systems of future machines. Compare the manufacture date of your machine to the one stated in this manual, and study this section carefully. If there are differences between your machine and what is shown in this section, call Technical Support at (570) 546-9663 for assistance BEFORE making any changes to the wiring on your machine.
Wiring Diagram Speed Sensor 11 7 4 12 8 3 KEDU ZH-A ZH-A Electrical Box (Rear of Machine) RPM Display L Ground Ground 13 L1 L2 14 M0 M1 M2 RA RB RC M3 M4 M5 23 ON/OFF Switch KEDU KJD 17B L3 10 6 2 9 5 1 24 R GND AFM ACI +10V AVI GND MCM M01 Speed Control Delta VFD015M21A U FWD/REV Switch ZH-A Inverter V W B1 B2 Control Panel (Front of Machine) GND GND Ground Hot W2 G U2 V2 6-15 Plug 220V 220 VAC Motor Ground U1 V1 W1 Hot -42- READ ELECTRICAL SAFE
Wiring Components Figure 57. Inverter box and motor junction box locations. Figure 58. RPM readout display board and control panel wiring. Model G0838 (Mfd.
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.
G0838 Main Breakdown Parts List REF PART # DESCRIPTION REF PART # DESCRIPTION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 41-1 41-2 41-3 41-4 41-5 42 43 44 45 46 47 48 SPUR CENTER MT 2 FACE PLATE 6" SET SCREW M6-1 X 12 INDEXING PIN SPINDLE BALL BEARING 6205-2RS INT RETAINING RING 52MM KEY 8 X 8 X 40 RUBBER GROMMET RUBBER GROMMET RUBBER GROMMET PHLP HD SCR M5-.8 X 25 WIRE PLATE FLAT WASHER 4MM PHLP HD SCR M4-.
G0838 Labels & Cosmetics 203 202 204 205 WARNING! WARNING! To reduce risk of death or serious injury, read manual BEFORE using machine. To get a new manual, call (800) 523-4777 or go to www.grizzly.com. INJURY/SHOCK HAZARD! Disconnect power before adjustments, maintenance, or service. EYE/FACE INJURY HAZARD! Always wear ANSI-approved safety glasses and face shield when using this machine.
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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.
