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Hersteller: Grizzly Dateigröße: 1.47 mb Dateiname: Unterrichtssprache:

See the latest Grizzly Catalog or visit our web site at for price and ordering information. Most importantly, we stand behind our tools. If you have any service questions or parts requests, please call or write us at the location listed below. Grizzly Industrial, Inc. 1203 Lycoming Mall Circle Muncy, PA 17756 Phone: (570) 546-9663 Fax: (800) 438-5901 e-Mail: support@grizzly.com Site: Disconnect power to your lathe before beginning installation of the Model G8143 Collet Closer. To begin assembly, follow these initial safety instructions. 1. Disconnect the lathe from the power source! 2. Remove the chuck or any other device that is mounted to the spindle. (Refer to your owner’s manual.) 3. Make sure the 5-C Collet/Morse Taper Adapter (included in the kit) and the spindle opening are clean and free of oil. Use a soft cloth or rag to wipe up any contaminant. Cover Removal Mounting the Model G8143 requires the use of a few simple tools. Tools Required: — Adjustable wrench — 3MM hex key — 4MM hex key To remove the lathe cover and the mounting studs: Remove the end cover from the lathe by unscrewing the cover knobs on the left end of the lathe as shown in Figure 1. Figure 1. Lathe cover removal. G8143 Collet Closer -3 Hub Separation To install the hub adapter to the outboard spindle 1. Remove the hub adapter from the draw tube assembly. 2. Unscrew the cap screws, shown in Figure 2, holding the two pieces of the hub adapter together. Note—The hub adapter halves are machined for a very tight fit. Once the cap screws are removed, hit them apart with a rubber mallet. Setscrews Cap screws Figure 2. Hub separation. 3. Install the half of the hub adapter with the setscrews onto the outboard spindle shaft shown in Figure 3. Figure 3. Installing hub adapter. -4 Figure 4. Installing hub adapter. 4. Tighten all three setscrews. 5. Replace the lathe cover and secure the bottom knob. Note—You may have to bore out the lathe cover spindle hole to a larger diameter for the hub adapter to fit through and operate correctly. 6. Install the outer half of the hub adapter back into place (Figure 4) and install and tighten the cap screws. Pivot Connector To install the pivot connector: Remove the pivoting rod connector from the draw tube assembly by removing the 8mm cap screw and threading it onto the replacement stud as shown in Figure 5. Make sure you have replaced the lathe cover! This pivot will allow the locking yoke to be secured to the lathe while providing a range of motion to engage the locking mechanism. The pivot connector should be secured tightly to the stud and the pivot pin should be in a horizontal position, allowing the pivot to move up and down. G8143 Collet Closer 2. Place the collet in the collet adapter, so the collet threads are exposed out of the back end of the collet adapter as shown in Figure 7. Figure 5. Pivot connector. Collet Threads Figure 7. Collet in collet adapter. 3.Hold the adjusting hub with your left hand and thread the collet and adapter into the front spindle with your right hand to engage the draw tube, as shown in Figure 8. Tube Assembly The draw tube assembly comes attached to the locking yoke and connecting rod. Remove the locking yoke and connecting rod by unscrewing the setscrews that connect the locking yoke to the bearing housing. To install the draw tube assembly into your lathe: 1. Insert the draw tube assembly into the outboard spindle as shown in Figure 6. Slide the draw tube assembly all the way into the outboard spindle until it engages around the hub adapter. 4. Turn the collet 4 to 5 complete revolutions. Additional fine adjustments will be covered later. Figure 8. Rotating collet in spindle to engage with adjusting hub. Figure 6. Draw tube assembly inserted. G8143 Collet Closer -5 Locking Yoke To secure the locking yoke to your lathe: 1. Align the connecting rod and locking yoke assembly onto the pivoting rod connector and secure them together with the 8mm cap screw as shown in Figure 9. Figure 9. Connecting rod and locking yoke installed on pivot connector. Locking Yoke Connecting Rod Pivot Connector 2. Please note that the rod connector is supplied with jam nuts. It may be necessary to remove these nuts to allow for the proper fit of the assembly on some lathes. 3. Install the handle to the yoke. Note—If you have trouble positioning the locking yoke so it is aligned with the draw tube in the next two steps, adjust the length of the connecting rod by threading it more or less into the pivot connectors and try again. 4. Make sure the locking yoke and the rod connector are secured to the mounting stud and the pivoting rod connecter. 5. Position the locking yoke back inline with the setscrew holes on the draw tube assembly, then secure the setscrews and the jam nuts as shown in Figure 10. -6 Figure 10. Tightening yoke setscrews. 6. Thread the setscrews on both sides of the locking yoke into the holes on both sides of the bearing housing. Make su...

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