Installation of Wells Super Quick Chuck on Baldor
Contents
1. a 7 5 RA 4 5 Check that the 1 4 hole in the side of the adapter is facing POSITION 6 N down See Figure 9 Install the other two screws and firmly ne ation OPEN COLLET tighten all four Figure 8 Handle position 5 0 INSTALL THE CLUTCH 5 1 With the fiber side facing out slide the clutch onto the shaft until it stops Do not tighten the set screw yet 5 2 Confirm that the Quick Chuck handle is in the shipping RIGHT END PLATE position See Figure 8 Temporarily fasten the Quick Chuck to the adapter with two installation screws ADAPTER 5 3 CAUTION Always have a tool or shipping rod in the collet FLAT FOR before moving the handle to the operating position Move SEV SCREW the handle clockwise until it stops If the handle rests ae between 9 15 and 10 00 no adjustment is necessary go to je step 5 6 If the handle position is higher than 10 00 add SET SCREW spacers go to step 5 4 If the handle position is lower than 9 15 file the clutch hub go to step 5 5 5 4 To add spacers move the handle back to the shipping an position Remove the Quick Chuck Insert the hex wrench 1 4 HOLE der into the 1 4 hole and pry out the clutch If the clutch is IN ADAPTER SPACER blue stuck go to step 7 1 1 Place the thinner gold spacer on facing down as required the shaft Slide the clutch onto the shaft Fasten the Quick Chuck to the adapter again and move the handle clock2. screws that hold the right chuck ejector and remove the ejector assembly Remove all the washers from inside the end plate Some washers may be stuck to the ejector assembly Examine the washers you removed If one of them is a spring washer wavy or finger type go on to step 3 5 If no spring washer was found on the right side of the rotor it is on the left side It must be moved over to the right side Remove the left ejector assembly and remove the spring washer To keep the spacing the same move two flat washers from the right side over to the left side in 3 5 3 6 3 7 3 8 exchange Replace the left ejector assembly Check that the shaft is free to move at least 1 8 end to end CAUTION Do not move the shaft more than 1 8 because the rotor could fall out of place If the shaft does not move end to end the bearings are frozen inside the end plate and the lathe must be serviced Remove any rust paint or burrs from the 1 2 dia shaft with the emery cloth IMPORTANT A flat must be filed on the shaft where the clutch set screw contacts the shaft If this is not done the set screw will raise a burr on the shaft and it will be very difficult to remove the clutch Hold the left end of the shaft wrapped in a shop towel with the pliers File a flat on the right shaft about 3 8 from the end plate See Figure 6 The clutch should slide freely onto the shaft all the way to the bearing without binding Use the emery cloth to remo
3. WELLS a RE DENTAL INC 5860 FLYNN CREEK ROAD READ ALL INSTRUCTIONS P O BOX 106 BEFORE PROCEEDING COMPTCHE CALIFORNIA U S A 95427 SAVE THIS FOR FUTURE REFERENCE THIS PRODUCT IS FOR PROFESSIONAL LABORATORY USE ONLY INSTALLATION OF WELLS SUPER QUICK CHUCK ON BALDOR LATHE SUPER QUICK CHUCK RIGHT HAND Product No Q015 SALES CUSTOMER SERVICE TECHNICAL ASSISTANCE CALL TOLL FREE 1 800 233 0521 PHONE 707 937 0521 FAX 707 937 2809 MONDAY FRIDAY 8 00 a m 4 30 p m P S T DENTAL EQUIPMENT FOR TECHNICIANS WHO VALUE TIME AND QUALITY INSTALLATION OF WELLS SUPER QUICK CHUCK ON BALDOR LATHE PAGE 2 1 0 MATERIALS REQUIRED 1 1 The lathe should be in good running condition If it has noisy bearings a worn switch starting problems or excessive end play greater than 1 32 the condition should be corrected before proceeding with the installation The condition of the tapered shaft is not important because it is not used 1 2 Adapter kits are available for most Baldor lathes Refer to the table below for the correct adapter kit If you have a Baldor No 221 or 240 you must find out if it has the older 35mm bearing or the newer 40mm bearing To do this unplug the power cord first then remove the four screws that hold the chuck ejector Remove the ejector assembly Remove a steel washer from inside the end plate and measure its outside diameter for the bearing size Q215 ADAPTER BALDOR 221 240 40MM Baldor 221 8 240 with 40mm beari
4. h the hex wrench through the hole in the adapter 6 0 INSTALL THE SUPER QUICK CHUCK 6 1 Confirm that the handle is in the shipping position Fasten the Quick Chuck to the adapter using the four installation screws See Figure 11 6 2 Again check that the handle returns to the operating position between 9 15 and 10 00 CONGRATULATIONS You have just completed the installation of Figure 11 End view the WELLS Super Quick Chuck IMPORTANT READ ALL INSTRUCTIONS IN THE USER S MANUAL BEFORE OPERATING THE WELLS SUPER QUICK CHUCK FAILURE TO COMPLY WITH THESE INSTRUCTIONS COULD RESULT IN SEVERE PERSONAL INJURY AND OR PROPERTY DAMAGE 7 0 TROUBLE SHOOTING REMOVING A STUCK CLUTCH If you cannot remove the clutch by inserting the hex wrench into the 1 4 hole in the adapter and prying it out obtain three 6 40x1 or longer machine screws Make sure that the clutch set screw is loose and is backed away from the shaft Remove the three screws that hold the clutch lining and remove the clutch lining Thread the three 6 40x1 screws into the holes in the clutch hub Tightening these screws in an alternating pattern will back out the clutch hub See Figure 12 Before assembly make sure a flat for the set screw has been filed See Figure 6 Use emery cloth to remove burrs and high spots from the 1 2 shaft Make sure that the clutch will slide freely onto the shaft all the way to the bearing without binding Tig
5. hten the set screw onto the flat when installing the clutch Figure 12 Removing a stuck clutch Q833 022510 WELLS DENTAL INC INSTALLATION OF WELLS SUPER QUICK CHUCK ON BALDOR LATHE PAGE 6 THIS SECTION IS FOR Q237 AND Q239 ADAPTERS ONLY 8 0 REPLACE THE END PLATE 8 1 ADDITIONAL TOOLS NEEDED 5 16 end wrench or socket 3 8 end wrench or socket Soft faced mallet 8 2 REMOVE THE OLD END PLATE 8 2 1 Unplug the power cord 8 2 2 Remove the four nuts on the right end of the lathe with a 3 8 or 5 16 end wrench or socket 8 2 3 Pull the thru bolts to the left about two inches 8 2 4 Place the screw driver blade against the raised lip of the right end plate and tap gently with a mallet Alternate tapping on all four raised lips See Figure 14 Figure 13 Additional tools 8 2 5 CAREFULLY remove the right end plate leaving the rotor in the lathe It may be difficult to position the rotor if it slips out of place 8 2 6 Remove ALL the washers Some may be stuck to the bearing and some may be in the end plate you just removed RAISED 8 3 INSTALL THE NEW END PLATE 8 3 1 Remove the four screws that fasten the adapter to the new end plate and remove the adapter See Figure 15 8 3 2 Place the end plate over the shaft and position the bearing while aligning the holes for the thru bolts 8 3 3 Tap the end plate with the palm of your hand or soft faced mallet to seat it into place 8 3 4 Push the thru bolts and s
6. ng Q218 ADAPTER BALDOR 300 SERIES Baldor 350 353 357 359 370 380 and 350T or 353T if it has the end plate in Figure 5 Q237 ADAPTER BALDOR END PLATE Baldor 357T 359T 380T WELLS R051 R052 R053 350T or 358T if it has the end plate in Figure 4 Q239 ADAPTER BALDOR 340 END PLATE JBaldor 340 NOTE Q508 ADAPTER RING 40MM is supplied with Q209 and Q212 ag Q508 adapters so they can be used O ADAPTER RING 40MM Og with lathes that have 40mm p gt gt bearings Q209 Q212 ADAPTER BALDOR 210 211 ADAPTER BALDOR 221 240 35MM Figure 1 O GI Q565 Zz are in i Ta l THICK THIN STALLATION ADAPTER SCREWS 9 MA 151 Q526 Q246 HEX WRENCH EMERY CLOTH CLUTCH 3 32 INSTRUCTIONS QO15 SUPER QUICK CHUCK RH ADAPTER KIT Figure 2 Materials Q833 022510 WELLS DENTAL INC INSTALLATION OF WELLS SUPER QUICK CHUCK ON BALDOR LATHE 2 0 TOOLS NEEDED 1 4 straight blade screwdriver pliers file and rule 3 0 PREPARE THE LATHE 3 1 If you have a lathe with a chuck ejector similar to the one pictured in Figure 4 you must replace the whole end plate using a Q237 or Go to section 8 0 REPLACE THE END PLATE If you have the removable ejector assembly pictured in Figure 5 you may continue to the next step Q239 adapter before continuing 3 2 Figure 4 Figure 5 PAGE 3 AU AW F nee Figure 3 Tools Unplug the power cord Remove the four
7. tart the four nuts Tighten the nuts evenly in an alternating pattern Do not over tighten Figure 14 End plate removal Go to step 3 4 to prepare the lathe e amp Figure 15 Remove the adapter Q833 022510 WELLS DENTAL INC INSTALLATION OF WELLS SUPER QUICK CHUCK ON BALDOR LATHE PAGE 7 NOTES Q833 022510 WELLS DENTAL INC INSTALLATION OF WELLS SUPER QUICK CHUCK ON BALDOR LATHE PAGE 8 NOTES Q833 022510 WELLS DENTAL INC
8. ve X MI ii END PLATE 3 8 f 2 DIA SHAFT U ia FILE FLAT FOR SET SCREW Figure 6 Flat for set screw any high spots 4 0 LEFT END 4 1 1 32 4 2 END PLAY MAXIMUM IGHT END OF SHAFT Figure 7 Shaft end play Q833 022510 ADJUST THE SHAFT END PLAY Place the spring washer next to the bearing on the right side If it has fingers face the fingers TOWARD the bearing Leave the other washers out for now Temporarily attach the adapter with two 10 32 x 1 2 screws Put a folded shop towel in the palm of your hand a push firmly 50 lbs force on the left end of the shaft while measuring the protrusion of the right end See Figure 7 You may need an assistant to push the shaft while you measure WELLS DENTAL INC INSTALLATION OF WELLS SUPER QUICK CHUCK ON BALDOR LATHE PAGE 4 4 3 If there is no end play and the shaft does not rotate freely remove the ejector assembly from the left end of the lathe 12 and remove one flat washer Replace the left ejector l 1 assembly and measure the end play again A a 3 4 4 If the end play is greater than 1 32 remove the adapter 2A i 7 and install one or more of the flat washers Replace the e A Ta adapter and check the end play again The end play is Cura SL 4 properlv adjusted when the spring washer is on the right ENGAGES I side the shaft rotates freely and the end play is 1 32 or a vi less
9. wise until it stops If the handle is still higher than 10 00 replace the thinner gold spacer with the blue thicker one Again check the handle position If it is still too high place both spacers on the shaft When the handle rests between 9 15 Figure 9 Cross section view and 10 00 go to step 5 6 5 5 To file the clutch hub move the handle back to the shipping position Remove the Quick Chuck Insert the hex e wrench into the 1 4 hole and prv out the clutch If the Bi MIBG clutch is stuck go to step 7 1 1 File or grind the end of the j clutch hub a little to shorten it See Figure 10 Slide the clutch onto the shaft Fasten the Quick Chuck to the adapter again and move the handle clockwise until it stops If the handle is still too low shorten the clutch hub some more You must add a spacer if you shorten it too much When the handle rests between 9 15 and 10 00 go to step 5 6 O Figure 10 Q833 022510 WELLS DENTAL INC INSTALLATION OF WELLS SUPER QUICK CHUCK ON BALDOR LATHE PAGE 5 5 6 Move the handle to the shipping position and remove the Quick Chuck Insert the hex wrench into the 1 4 hole and INSTALLATION pry out the clutch If the clutch is stuck go to step 7 1 1 SCREWS Put a very thin film of grease on the shaft and install the clutch so the set screw will tighten on the flat that was filed Hold the clutch all the way on and tighten the set screw securely wit
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