INTRODUCTION ... 3 Foreword ... 3 Contact Info ... 3 Machine Data Sheet ... 4 Identification ... 6 SECTION 1: SAFETY... 7 Safety Instructions for Machinery ... 7 Additional Safety Instructions for Lathe/Mills ... 9 Glossary of Terms ... 10 SECTION 2: CIRCUIT REQUIREMENTS ...
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7500 Series Parts List ... 65 Mill Column Diagram ... 66 8000 Series Parts List ... 67 Accessories and Labels Diagram ... 68 9000 Series Parts List ... 69 WARRANTY AND RETURNS ... 70 G0492 12" X 36" Combo Lathe/Mill...
INTRODUCTION Foreword We are proud to offer the Model G0492 12" X 36" Combo Lathe/Mill. This machine is part of a grow- ing Grizzly family of fine metalworking machinery. When used according to the guidelines set forth in this manual, you can expect years of trouble-free, enjoyable operation and proof of Grizzly’s com-...
Customer Service #: (570) 546-9663 • To Order Call: (800) 523-4777 • Fax #: (800) 438-5901 MODEL G0492 12" X 36" COMBO LATHE/MILL Product Dimensions: Approximate Net Weight ...1200 lbs. Overall Dimensions ... 67-3/4" Wide x 26-3/4" Deep x 72" Tall Footprint ...
K. Milling Rack Handles Steady Rest M. Tailstock N. Lead Screw Identification G0492 12" X 36" Combo Lathe/Mill. P. Chip Tray and Drip Pan Q. Longitudinal and Cross slide Lever R. Spindle ON/OFF Rotation Lever S. Thread Dial Half Nut Lever U.
If normal safety precautions are overlooked or ignored, seri- ous personal injury may occur. G0492 12" X 36" Combo Lathe/Mill PREVENTING APRON-CHUCK CRASH: Always release automatic feeds after completing a job.
The following is a list of common definitions, terms and phrases used throughout this manual as they relate to this lathe/mill and metalworking in general. Become familiar with these terms for assembling, adjusting or operating this machine. Your safety is VERY important to us at Grizzly! Arbor: A machine shaft that supports a cutting tool.
DO NOT connect the machine to the power source until instructed to do so. Amperage Draw Combined, both of the G0492 Lathe/Mill motors draw the following amps under maximum load: Both Motors Operating ... 17 Amps Circuit Requirements...
Ignoring this warning may lead to serious personal injury or death. Unpacking and Lifting The Model G0492 was carefully packed when it left our warehouse. If you discover the machine is damaged after you have signed for delivery, please immediately call Customer Service at (570) 546-9663 for advice.
Lack of ventilation while using these sol- vents could cause seri- ous personal health risks or fire. Take precautions from this hazard by only using cleaning solvents in a well ventilated area. ��� ��������� ����� ��� G0492 12" X 36" Combo Lathe/Mill...
OMMEND that you read books, trade maga- zines, or get formal training before begin- ning any projects. Regardless of the con- tent in this section, Grizzly Industrial will not be held liable for accidents caused by lack of training. NOTICE Complete the Test Run &...
11. Change the lubricant in the headstock with Mobil DTE Feed Lever Half-Nut Lever Spindle Rotation ON/OFF lever. Figure 8. Apron control levers. problem is not readily apparent, Oil or with an equivalent. ® G0492 12" X 36" Combo Lathe/Mill...
(see Figure 9). Figure 9. Simple chuck cradle made of scrap lumber. G0492 12" X 36" Combo Lathe/Mill Use a 14mm wrench and loosen the three hex bolts that secure the chuck to the spindle Figure 10.
Repeat the steps on the remaining jaws. — If installed correctly, the three jaws will converge together at the center of the chuck. — If the jaws do not come together, repeat this procedure until they do. G0492 12" X 36" Combo Lathe/Mill...
(see Figure 14). Figure 14. Clamping workpiece. G0492 12" X 36" Combo Lathe/Mill Turn each jaw until it just makes contact with the workpiece. In an opposing pattern, tighten each jaw in small increments.
-20- Figure 16. Faceplate installed. Use a minimum of three independent clamping devices when turning eccentric workpieces. Failure to provide adequate clamping will cause workpiece to eject. G0492 12" X 36" Combo Lathe/Mill...
Offset Adjustment Offset Scale Figure 17. Tailstock and quill lock handles in locked position. G0492 12" X 36" Combo Lathe/Mill Drilling with the Tailstock To install the MT#3 drill chuck: With the tailstock locked, unlock the quill lock lever. Turn the quill feed handle clockwise to extend the quill about one inch.
Adjustment true to the spindle axis. Keep in mind that the point will have to be refinished whenever it is removed and returned to the chuck. Figure 21. Tailstock centering dead center. G0492 12" X 36" Combo Lathe/Mill...
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(see Figure 22). Figure 22. Tailstock adjustment option #1. G0492 12" X 36" Combo Lathe/Mill —If the stock diameter is thinner at the tailstock end, the tailstock needs to be moved away from you half the distance of the amount of the taper (see Figure 23).
Figure 25. Faceplate and dead center setup. NOTICE Failure to keep dead center point well lubricated will gall the dead center and workpiece. G0492 12" X 36" Combo Lathe/Mill...
After prolonged use, the fingers will show wear. Either mill or file the tips for a new con- tact surface. G0492 12" X 36" Combo Lathe/Mill Using the Follow The follow rest in Figure 27 is mounted on the saddle and follows the movement of the tool. The follow rest requires only two fingers, as the cut- ting tool acts as the third.
This is accomplished by rotating the top handle counterclockwise and then rotating the tool post to the desired position. Rotate the top handle clockwise to lock the tool into position. Figure 29. Four-way tool post. G0492 12" X 36" Combo Lathe/Mill...
Angle adjustment is held by two hex nuts on the base of the compound rest. G0492 12" X 36" Combo Lathe/Mill Setting the Spindle To determine and set the needed spindle...
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— The RPM Lever selects the RPM within that range. -28- Note: You may need to rotate the chuck by hand to get the gears to engage. RPM Lever RPM/Range Chart Figure 32. Spindle speed selector levers. G0492 12" X 36" Combo Lathe/Mill Range Lever...
Note: All change gears are stamped with the number of teeth they have. G0492 12" X 36" Combo Lathe/Mill Loosen the lash adjuster (Figure 33) and swing the assembly out of the way. Remove the required E-clips, lubricate, and swap out the appropriate change gears.
Figure 39. Start switch location. -32- Turn the spindle ON and run it a minimum of 10 minutes. Repeat this step on the other three RPM ranges. Milling Speed Levers Quill Feed Lever Figure 40. Gearbox and controls. G0492 12" X 36" Combo Lathe/Mill...
Lock Nut Figure 42. Headstock lock nut. Using the Mill Table The mill table of the Model G0492 can be moved in two axes—cross slide and longitudinal feed. Each of these axes are controlled by graduated handwheels to accurately position the workpiece in relation to the tool.
Prepare to catch the arbor, and unscrew the drawbar until the arbor drops into your hand. Drawbar Figure 45. The drawbar. NOTICE G0492 12" X 36" Combo Lathe/Mill...
Use the following formula to determine the needed RPM for your operation: (Cutting Speed x 4) / Tool Diameter = RPM G0492 12" X 36" Combo Lathe/Mill Note: You will only be able to get an approxi- mate RPM value with the variable speed knob.
To control surface rust on machined surfaces, wipe the unprotected metal as required with a rust inhibiting oil. Headstock Oil Fill Plug Figure 49. Headstock fill plug. Headstock Oil Level Sight Glass G0492 12" X 36" Combo Lathe/Mill...
3. Too much play in gibs. Gear change 1. Gears not aligned in headstock. levers will not shift into position. G0492 12" X 36" Combo Lathe/Mill Troubleshooting Possible Solution 1. Use the spindle direction ON/OFF lever. 2. Turn the main power panel switch ON.
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4. Lower the tool position. 1. Realign the tailstock to the headstock spindle bore center line. 1. Remove jaws, clean and lubricate chuck threads, and replace jaws. 1. Adjust gear positions. 2. Replace. 3. Tighten. screw(s) slightly, lubricate G0492 12" X 36" Combo Lathe/Mill...
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2. Chips have loaded up on bedways. 3. Bedways are dry and in need of lubrication. 4. Longitudinal stops are interfering. 5. Gibs are too tight. G0492 12" X 36" Combo Lathe/Mill Troubleshooting Possible Solution 1. Inspect keys and setscrews. Replace or tighten if necessary.
PFH25M FLAT HD SCR M4-.7 X 12 6038 P04926038 KNOB M8-1.25 FEMALE 6039 P04926039 LEVER 6040 P04926040 LEVER HUB G0492 12" X 36" Combo Lathe/Mill PART # DESCRIPTION 6041 P04926041 COMPRESSION SPRING 6042 P04926042 STEEL BALL 6.5MM 6043 P04926043 SPECIAL SET SCREW M6-1.0 X 8...
WARRANTY AND 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.