User Manual for Q011 Left Hand
Contents
1. If the Quick Chuck is run without a tool in the collet or the collet is not cleaned and lubricated periodically it may get stuck in the Quick Chuck shaft The collet may turn but not unscrew Turn off the lathe and disconnect the power cord PAGE 7 TAP LIGHTLY Move the handle to the open collet position 6 00 o clock TURNING Remove the tool Insert the collet wrench Tap the end of the collet wrench LIGHTLY while turning the collet wrench counterclockwise See Figure 5 If this does not release the collet continue with the next Figure 5 step 6 4 4 Check that the handle is in the open collet position Remove screws the four installation screws and remove the Quick Chuck 6 4 5 Hold the steel clutch plate to keep it from turning while you remove the collet See Figure 6 6 4 6 Install the Quick Chuck on the lathe using the four installation 6 5 REPLACING THE POP OUT SPRING If the pop out spring has been damaged or the special collet falls out the pop out spring needs to be replaced Product No Q186 POP OUT SPRING PKG 2 may be ordered for Figure 6 replacement 6 5 1 Turn off the lathe and disconnect the power cord 6 5 2 X Follow steps 6 3 2 through 6 3 6 to remove and disassemble the collet 6 5 3 Remove the old pop out spring from the special collet 6 5 4 Follow steps 6 2 4 and 6 2 5 for cleaning the collets and collet body 6 5 5 Examine each end of the new pop out spring carefully2. One end has about five closely spaced coils while the other has about six The end with five coils also has a tiny hook at the end of the SQUEEZE BETWEEN wire See Figure 7 When properly installed this THUMB AND ROREFINGER hook locks the spring onto the collet 6 5 6 Hold the five closely spaced coils with the hook and start threading the coil onto the special collet When the hook reaches a slot it will tend to get HOOK caught Squeeze the coils just behind the hook See Figure 7 Ease the hook past each slot Figure 7 6 5 7 Continue threading the hook onto the collet until it lodges into the center of the widened area of one of the slots See Figure 8 6 COILS 5 COILS THREADS FOR MFG ONLY NOT USED IN ASSEMBLY Figure 8 6 5 8 Screw the stop you set aside onto the pop out spring 6 5 9 X Follow steps 6 3 11 through 6 3 16 for fitting a stop Q827 022510 WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH 6 6 6 6 1 6 6 2 6 6 3 6 6 4 6 7 6 7 1 6 7 2 6 7 3 6 7 4 6 7 5 6 7 6 6 7 7 6 8 6 8 1 6 8 2 6 8 3 6 8 4 6 8 5 6 8 6 Q827 022510 ADJUSTING THE CLUTCH SPRING If the handle does not have enough spring tension when the handle is in the operating position the clutch may slip Move the handle to the operating position 2 30 o clock CAUTION The number cap is under spring tension and will twist when loosened Carefully loosen the set screw in the side of the number cap Turn the
3. clean the collet shield when it is removed Figure 11 6 11 3 Screw the collet shield onto the threads by rotating CLOCKWISE See Figure 12 Tighten firmly by hand TIGHTEN COLLET SHIELD FIRMLY BY HAND Figure 12 For further maintenance or repairs send Quick Chuck to WELLS DENTAL INC for factory service 6 12 REMOVING THE QUICK CHUCK FROM THE LATHE 6 12 1 Insert a 3 32 shipping rod or burr into the collet and move the handle to the shipping position 4 30 o clock See Figure 2 6 12 2 Remove the four installation screws and remove the Quick Chuck Q827 022510 WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH WELLS WI ONAL INC 5860 FLYNN CREEK ROAD P O BOX 106 COMPTCHE CA USA 95427 PHONE 707 937 0521 1 800 2533 0521 FAX 707 937 2809 18 REF PART NO DESCRIPTION 1 Q240 SPECIAL COLLET COMPLETE 2 0148 SPECIAL COLLET WITH SPRING 3 0174 STOP LOCK SCREWS 2 4 09578 STOP 265 BLUE 1 MARK 5 Q579 STOP 275 YELLOW 2 MARKS 6 0580 STOP 285 ORANGE 3 MARKS 7 Q581 STOP 295 RED 4 MARKS 8 0582 STOP 305 GREEN 5 MARKS 9 Q583 STOP 315 METAL 6 MARKS 3 9 Q188 STOPS SET OF 6 Of QI86 POP OUT SPRING PKG 2 1 Q149 SPECIAL COLLET 2 0146 ASTER COLLET 3 9542 SHIPPING ROD 3 32 X 2 1 8 4 511 SCREW SET 10 32 X 1 4 5 536 SCREW SET 10 32 X 3 16 16 Q555 UMBER CAP LH 7 0183 CLUTCH SPRING LH 8 9527 HANDLE 9 Q600 GRIP 3 15
4. unless you have this bulletin INSTALLING THE COLLET SHIELD ACCESSORY The non rotating collet shield covers the collet to provide a steady rest for more comfortable operation of your WELLS Super Quick Chuck It also helps protect rubber gloves Removal is easy for cleaning around the collet Q103 COLLET SHIELD LH left hand fits model Q011 WELLS SUPER QUICK CHUCK left hand with knurled dust cover ONLY See figure 10 If there is no knurled dust cover the collet shield cannot be installed Remove the knurled dust cover by rotating COUNTERCLOCKWISE See Figure 10 It has right hand threads Clean around the collet collet body and threads with a small brush or rag See Figure REMOVE 11 Do not use solvent on the collets unless a aan they are removed Refer to section 6 2 CLEANING THE COLLETS Screw the collet shield onto the threads rotating CLOCKWISE See Figure 12 Tighten firmly by hand Figure 10 PAGE 9 WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH PAGE 10 6 11 CLEANING THE COLLET SHIELD Accumulated material should be removed periodically 6 11 1 Unscrew the collet shield by turning COUNTERCLOCKWISE Be sure to rotate in the correct direction It has right hand threads 6 11 2 Clean around the collet collet body and threads with a small brush or rag See Figure 11 Do not use solvent on the collets unless they are removed Refer to section 6 2 CLEANING THE COLLETS Use solvent to
5. DIAMETER When the collets wear tools may slip The brake may drag causing the collet to spin inside the collet body A shorter stop must be installed to compensate for the wear The shorter stop will allow the master collet to thread further into the collet body so it grips more tightly A set of 6 stops of different lengths Q188 is included with the accessory kit Turn off the lathe and disconnect the power cord Move the handle to the open collet position 6 00 o clock and remove the tool Insert the collet wrench into the master collet and turn counterclockwise to unscrew If the collet turns but will not unscrew see section 6 4 REMOVING A STUCK COLLET Remove the master collet and the special collet The pop out spring stop and stop lock screw will be attached to the special collet See Figure 4 3 32 HEX 5 A POP OUT SPRING Figure 3 Figure 4 6 3 5 6 3 6 6 3 7 6 3 8 6 3 9 6 3 10 6 3 11 6 3 12 6 3 13 6 3 14 6 3 15 6 3 16 6 3 17 6 3 18 Q827 022510 Remove the stop lock screw by LIGHTLY grasping the stop with a pair of pliers Insert the 3 32 hex wrench into the end of the stop lock screw and unscrew it Unscrew the stop to remove it from the pop out spring Set the stop aside Follow steps 6 2 4 and 6 2 5 for cleaning the collets Count the number of marks on the surface of the stop you set aside Choose a new stop with one mark less the next shorter size Screw the new stop onto th
6. USE SAFETY GLASSES Wear industrial certified safety glasses for ALL work and maintenance d 1 5 SECURE LOOSE ARTICLES Fasten long hair Do not wear loose clothing necktie or jewelry They can get caught in rotating parts 1 6 USE PARTICLE MASK when there is dust or particles in the air 0 1 7 ALWAYS KEEP A TOOL IN THE COLLET Never operate the unit without a tool 1 8 DO NOT EXCEED THE MAXIMUM OPERATING SPEED THE TOOL Use ONLY tools parting disks or polishing wheels that are rated above the speed of your lathe Insufficiently rated tools may break apart bend or come loose causing serious personal injury 1 9 MAINTAIN THE WHEEL OR TOOL Never operate with a damaged or bent tool It could break apart or come loose causing serious personal injury 1 10 CHECK TOOL IS SECURE Insert the tool shank into the collet to the MAXIMUM depth that will allow free rotation of the tool An extended tool is likely to break or bend causing serious personal injury Always check that the tool is securely held in the collet 1 11 CHILDREN AWAY All visitors should be kept safe distance from the work area Do not run the unit unattended 1 12 MAINTAIN THE UNIT Inspect periodically for damaged or worn parts Follow the instructions for maintenance Don t use if the power cord motor switch or other parts are in poor condition Don t use if the unit has been dropped damaged or expo
7. 131 3 JAW CHUCK RH I L013 LIGHT SHIELD FOR QUICK CHUCK RH L014 LIGHT SHIELD FOR QUICK CHUCK LH LH Left Hand RH Right Hand Q827 022510 WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH WELLS lt T DENTAL INC 5860 FLYNN CREEK ROAD P O BOX 106 COMPTCHE CA USA 95427 PHONE 707 937 0521 1 800 2335 0521 FAX 707 937 2809 ADAPTER KITS and CLUTCHES for SUPER QUICK CHUCK FIGURE A FIGURE B To order please have the lathe manufacturer s name model no catalog no serial no and spec no from the lathe name plate REF PART NO DESCRIPTION FITS THESE LATHES For other lathes call Wells Dental Inc 1 Q206 ADAPTER RED WING All Red Wing lathes 2 Q209 ADAPTER BALDOR 210 211 Baldor 210 and 211 3 Q212 ADAPTER BALDOR 221 240 35MM Baldor 221 and 240 with 35mm bearing 4 Q215 ADAPTER BALDOR 221 240 40MM Baldor 221 and 240 with 40mm bearing 9 Q218 ADAPTER BALDOR 300 SERIES Baldor 350 353 357 359 370 380 and 350T amp 353T if it has the end plate illustrated in Figure A 6 Q223 ADAPTER ROBBIN amp MYERS Robbin amp Myers 7 Q226 ADAPTER RITTER A Ritter model A 8 Q229 ADAPTER RITTER C Ritter model C 9 Q237 ADAPTER BALDOR END PLATE Baldor 357T 3597 380T WELLS R051 R052 R053 and 3501 amp 3531 if it has the end plate illustrated in Figure B 10 Q239 ADAPTER BALDOR 340 END PLATE Baldor 340 11 Q246 CLUTC
8. 18 19 0250 HANDLE WITH SET SCREW 20 Q606 DUST COVER LH Q827 022510 PAGE 11 PARTS LIST for SUPER QUICK CHUCK LH 14 17 Product No Q011 d AD 15 16 WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH WELLS WI ONAL INC 5860 FLYNN CREEK ROAD P O BOX 106 COMPTCHE CA USA 95427 PHONE 707 937 0521 1 800 233 0521 FAX 707 937 2809 PAGE 12 ACCESSORY KIT LH Product No Q200 B oe lt 2 f i Q 4 5 3 JAW Q200 ACCESSORY KIT LEFT HAND INDIVIDUAL PARTS REF PART NO DESCRIPTION QTY EF PART NO DESCRIPTION A Q132 SPIRAL CHUCK LEFT HAND 1 0556 MANDREL 1 64 LH B Q152 MANDREL WITH 1 64 SCREW LH 2 2 Q165 SCREW FOR MANDREL 1 64 LH PKG 3 C Q140 STONE CHUCK TOOTH amp KNIFE LH 2 3 Q524 STONE CHUCK TOOTH amp KNIFE LH D Q124 ARBOR BAND CHUCK 3 4 LH 1 4 Q589 STONE CHUCK WASHER E Q169 INSTALLATION SCREWS PKG 4 5 Q170 SCREW 8 32 X 1 2 RHSS LEFTHAND F 0193 COLLET WRENCH 4 JAW 6 Q512 ARBOR BAND BODY LH G 51 HEX WRENCH 3 32 7 0116 ARBOR BAND RUBBER 3 4 H Q188 STOPS SET OF 6 8 Q160 SCREW FOR ARBOR BAND LH with STOP LOCK SCREW 9 Q192 COLLET WRENCH 3 JAW amp TEST ROD Q194 TUBE BRUSH 3 8 Q827 022510 WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH PAGE 13 WELLS INC ADDITIONAL ACCESS
9. CE CAUTION The bearings in the WELLS Super Quick Chuck are permanently lubricated with special compounds If anything enters the bearings they will be damaged KEEP OIL SOLVENT AND COMPRESSED AIR AWAY from the WELLS Super Quick Chuck NO OIL NO SOLVENT NO AIR CAUTION There are no user serviceable parts inside the Quick Chuck except as described below DO NOT DISASSEMBLE the Quick Chuck 6 1 RUNNING HOT A Quick Chuck may run hot for several reasons 6 1 1 A new or rebuilt Quick Chuck will run hot when first put into operation until the bearings are broken in This condition may last several days depending upon the amount of use 6 1 2 heat from the lathe motor is transferred to the Quick Chuck The amount varies with the particular lathe 6 1 3 A worn or loose collet or a stop that is too long may cause tools to slip The brake may drag causing the collet to spin inside the collet body The overheating will be noticed at the collet and front of the collet body If the tools slips follow the procedures in section 6 3 FITTING A STOP TO ADJUST THE COLLET DIAMETER 6 2 CLEANING THE COLLETS MONTHLY To prevent the collets from sticking and slipping periodic cleaning and lubrication is essential 6 21 Turn off the lathe and disconnect the power cord Move the handle to the open collet position 6 00 o clock Remove the tool 6 2 2 Insert the collet wrench into the master collet and turn counterclockwise to unscrew If th
10. H BALDOR REDWING COMPLETE All Red Wing WELLS R051 R052 RO53 and most Baldor lathes 12 Q243 CLUTCH WELLS THREADED COMPLETE WELLS R055 R056 RO57 and R058 lathes Baldor 380WCT 13 Q150 CLUTCH LINING WITH SCREWS All lathes Q827 022510 WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH PAGE 16 NOTES Q827 022510 WELLS DENTAL INC
11. L for WELLS SUPER QUICK CHUCK LH PAGE 14 WELLS LATHE ACCESSORIES mp DENTAL INC 5860 FLYNN CREEK ROAD P O BOX 106 COMPTCHE CA USA 95427 The SHAFT GUARDs below satisfy OSHA regulations PHONE 707 937 0521 for guarding projecting shaft ends 1 800 233 0521 FAX 707 937 2809 LATHE ACCESSORIES INDIVIDUAL PARTS REF PART NO DESCRIPTIO REF PART NO DESCRIPTION A R136 SPIRAL TAPER SHAFT LH 1 532 STONE CHUCK TAPER SHAF LH R137 SPIRAL TAPER SHAFT RH R533 STONE CHUCK TAPER SHAFT RH B R138 SPIRAL BRASS TAPER SHAFT LH 2 R534 THIN ECONO TAPER SHAFT LH R139 SPIRAL BRASS TAPER SHAFT RH R535 THIN ECONO TAPER SHAFT RH R132 STONE CHUCK TAPER SHAFT LH 3 Q589 STONE CHUCK WASHER R133 STONE CHUCK TAPER SHAFT RH 4 Q170 SCREW 8 32 X 1 2 RHSS LEFTHAND D R134 THIN ECONO TAPER SHAFT LH Q171 SCREW 8 32 X 1 2 RHSS R135 THIN ECONO TAPER SHAF RH 5 L506 BRACKET for Light Shield E R141 SHAFT GUARD LH WELLS B Baldor 6 546 SCREW 6 32 X 1 2 RHZC for Bracket R142 SHAFT GUARD RH WELLS B T L120 TOGGLE SWITCH KIT with connectors F R143 SHAFT GUARD LH RW 2 Red Wing 8 L118 LIGHT SOCKET KIT with screws R144 SHAFT GUARD RH RW 2 9 L106 LIGHT CORD KIT with connectors G R145 SHAFT GUARD LH RW 1 10 L110 GLASS SHIELD FOR WELLS R146 SHAFT GUARD RH RW 1 11 L102 SHIELD CLIPS PKG 2 with screws H R
12. ORIES F ROAD for SUPER QUICK CHUCK LH COMPTCHE CA USA 95427 PHONE 707 937 0521 1 800 233 0521 FAX 707 937 2809 The non rotating COLLET SHIELD below covers the collet to provide a steady rest for more comfortable operation of your WELLS SUPER QUICK CHUCK It also helps protect rubber gloves L fits Quick Chucks with knurled dust cover ONLY See Figure 10 on poge 9 AaS 6 N 2 i gt SS 9 ADDITIONAL ACCESSORIES INDIVIDUAL PARTS REF PART NO DESCRIPTIO REF PART NO DESCRIPTION A 0178 SPIRAL SEMI PERMANENT LH 1 562 SCREW SET 4 40 X 3 16 B Q156 MANDREL WITH 2 64 SCREW LH 2 0538 MANDREL 2 64 LH C Q136 STONE CHUCK THIN ECONO LH 3 Q167 SCREW FOR MANDREL 2 64 LH PKG 3 D Q120 ARBOR BAND CHUCK 1 2 LH 4 Q522 STONE CHUCK THIN ECONO LH E Q127 FIELD SANDPAPER CHUCK LH 5 0589 STONE CHUCK WASHER F Q130 SANDPAPER CHUCK 6 0170 SCREW 8 32 X 1 2 RHSS LEFTHAND 0108 BURR ADAPTER 3 32 STANDARD 7 Q512 ARBOR BAND BODY LH H Q106 BURR ADAPTER 1 16 8 Q114 ARBOR BAND RUBBER 1 2 Q110 BURR ADAPTER 1 8 9 Q160 ARBOR BAND SCREW LH J Q112 BURR ADAPTER 3MM K Q118 ARBOR YATES BURR L Q103 COLLET SHIELD LH ACCESSORIES AND PARTS FOR M Q144 EMERY CLOTH 1 x1 PKG 3 RICHT HAND QUICK CHUCKS Q827 USER S MANUAL QUICK CHUCK LH ARE ALSO AVAILABLE Q827 022510 WELLS DENTAL INC USER S MANUA
13. TECHNICAL BULLETIN W E L LS Q827 022510 DENTAL INC READ ALL INSTRUCTIONS 5860 FLYNN CREEK ROAD BEFORE PROCEEDING P O BOX 106 COMPTCHE CALIFORNIA U S A 95427 SAVE THIS FOR FUTURE REFERENCE www wellsdental com THIS PRODUCT IS FOR PROFESSIONAL LABORATORY USE ONLY USER S MANUAL SUPER QUICK CHUCK LEFT HAND Product No Q011 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 USER S MANUAL for WELLS SUPER QUICK CHUCK LH PAGE 2 1 0 SAFETY INSTRUCTIONS WARNING WHEN USING ELECTRIC TOOLS BASIC SAFETY PRECAUTIONS SHOULD ALWAYS BE FOLLOWED TO REDUCE THE RISK OF FIRE ELECTRIC SHOCK AND PERSONAL INJURY INCLUDING THE FOLLOWING ITEMS 1 1 GROUND THE LATHE The lathe must be grounded while in use to protect the user from electric shock Plug into a three hole grounded receptacle If an adapter is used to accommodate a two hole receptacle the grounding lug must be connected to a known ground Never remove the third prong If in doubt have a licensed electrician check the receptacle for PROPER GROUNDING and POLARITY 1 2 HANDLE WITH DRY HANDS Never handle the plug power cord lathe or Quick Chuck with wet hands 1 3 DISCONNECT THE POWER CORD Before servicing unplug the power cord to prevent electric shock or unintentional starting 1 4 ALWAYS
14. bs 1 SHIPPING ROD 2 COLLET BODY 3 INSTALLATION SCRE ET SCR 9 COLLET WRENCH ET SCREW 10 SPECIAL COLLET 11 MASTER COLLET Figure 1 Quick Chuck features Q827 022510 WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH PAGE 4 4 0 INSTALLATION The WELLS Super Quick Chuck fits universally on most dental lathes Please refer to page 15 of this manual for adapter kits Separate technical bulletins for installation on the particular lathe are available 5 2 1 5 2 2 5 2 3 5 2 4 5 0 OPERATION WARNING READ ALL INSTRUCTIONS BEFORE OPERATING FAILURE TO COMPLY WITH INSTRUCTIONS COULD RESULT IN SEVERE PERSONAL INJURY AND OR PROPERTY DAMAGE CAUTION Always keep a tool in the collet The Quick Chuck may be damaged if the collet is closed without a tool CAUTION Always ease the handle into position to close the collet If the handle is allowed to snap up or is forced upward it may damage the Quick Chuck GENERAL OPERATION 12 Work is done with the handle in the operating position at approximately 2 30 o clock See Figure 2 The clutch disengages when the handle is moved down to approximately 3 30 o clock OPERATING POSITION The brake is applied when the handle is CLUTCH moved to approximately 4 30 o clock 7 ENDAGBS The collet opens when the handle is 8 p 4
15. e collet turns but will not unscrew see section 6 4 REMOVING A STUCK COLLET 6 23 Remove the master collet and the special collet The pop out spring stop and stop lock screw will be attached to the special collet It is not necessary to disassemble these parts 6 2 4 Wash the collets in solvent Solvent may be used on these parts ONLY when removed from the collet body Dry the parts thoroughly 6 25 Clean the inside of the collet body so the master collet will seat against the stop properly Clean the threads using the tube brush provided in the accessory kit Rotate the brush into the threads a few times Use a pipe cleaner or Q tip to clean out all the debris the bottom of the hole Do not use solvent here 6 2 6 Put a THIN film of grease or Vaseline on the outside of both collets including the threads of the master collet DO NOT use oil 6 2 7 Insert the collets and tighten with the collet wrench 6 28 special collet should protrude about 1 8 If not remove the collets and carefully stretch or compress the pop out spring as needed 6 29 Inserta tool into the collet and move the handle to the operating position 6 2 10 Connect the power cord CAUTION Do not run the Quick Chuck without the collets Q827 022510 WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH 6 3 6 3 1 6 3 2 6 3 3 6 3 4 SPECIAL COLLET COLLET WRENCH 2 MASTER COLLET ROD FITTING A STOP TO ADJUST THE COLLET
16. e pop out spring Screw the stop lock screw into the stop LIGHTLY grasp the stop with the pliers Tighten the stop lock screw with the 3 32 hex wrench Put a THIN film of grease or Vaseline on the outside of both collets including the threads of the master collet Insert the collets and tighten with the collet wrench Make sure that the handle is in the open collet position 6 00 o clock Insert the test rod that comes with the set of stops or a 1 4 tool shank into the master collet The test rod should just slip into the collet If it is loose start at step 6 3 2 and install a shorter stop If the test rod will not fit into the master collet or is too tight start at step 6 3 2 and install a longer stop Install the shortest stop that will allow the test rod to just slip into the master collet The special collet should protrude about 1 8 If not remove the collets and carefully stretch or compress the pop out spring as needed Insert a tool into the collet and move the handle to the operating position Connect the power cord If tools still slip or the collet overheats both collets should be replaced Q146 MASTER COLLET and Q148 SPECIAL COLLET WITH SPRING Follow the procedure above section 6 3 when installing new collets The set of stops Q188 included with the accessory kit will be needed PAGE 6 WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH 6 4 6 4 1 6 4 2 6 4 3 REMOVING A STUCK COLLET
17. justing the clutch spring the clutch lining should be replaced Product No Q150 CLUTCH LINING WITH SCREWS may be ordered for replacement Turn off the lathe and disconnect the power cord Insert a 3 32 shipping rod or burr into the collet and move the handle to the shipping position 7 30 o clock See Figure 2 Remove the four installation screws and remove the Quick Chuck Remove the three screws that hold the clutch lining and pry out the old clutch lining with a screw driver Take care not to gouge the clutch hub Clean the clutch hub and surrounding area with a small brush or shop towel Before handling the new clutch lining wash your hands to make sure they are not oily or greasy Place the new clutch lining on the hub and align the holes for the screws If the holes do not line up rotate the clutch lining to the next set of holes Start the new screws and tighten in an alternating sequence Wipe the clutch lining with a cloth soaked with clean solvent if it becomes darkened with any oil Lightly sand the steel clutch surface of the Quick Chuck with emory cloth to remove the glaze Install the Quick Chuck on the lathe using the four installation screws CAUTION The position of the clutch hub on the shaft is critical for proper operation of the Quick Chuck If it becomes necessary to remove or replace the clutch hub refer to the technical bulletin for the installation of the Quick Chuck on your model lathe DO NOT REMOVE the clutch hub
18. le set screw Turn the number cap clockwise against the spring tension until the number cap set screw is facing straight up 12 00 o clock Be sure the handle is still in the operating position 2 30 o clock Tighten the number cap set screw See Figure 9 FIXING A SQUEAKY CLUTCH Over a period of time the clutch may glaze and develop a squeak especially when the lathe is coasting to a stop Turn off the lathe and disconnect the power cord Move the handle to the shipping position 7 30 o clock Remove the four installation screws and remove the Quick Chuck Lightly sand both the fiber and the steel clutch surfaces to remove the glaze Install the Quick Chuck on the lathe using the four installation screws and connect the power cord If the squeak persists and there is excessive dust around the clutch area the adapter is misaligned Refer to the technical bulletin for the installation of the Quick Chuck on your model lathe Some lathes are improperly machined for correct adapter alignment These lathes should be shipped to Wells Dental Inc for Quick Chuck installation PAGE 8 WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH 6 9 6 9 1 6 9 2 6 9 3 6 9 4 6 9 5 6 9 6 6 9 7 6 9 8 6 9 9 6 9 10 6 9 11 6 10 6 10 1 6 10 2 6 10 3 Q827 022510 REPLACING THE CLUTCH LINING If the handle moves higher than 1 30 o clock when in the operating position or if the clutch continues to slip after ad
19. moved to 6 00 o clock straight down EK 5 BRAKE CHANGING A TOOL 3 32 1 4 tool such as OPEN COLLET burr or chuck may be changed while the lathe is running Figure 2 From the operating position move the handle to the open collet position 6 00 o clock See Figure 2 Remove the tool A 1 4 shanked tool will pop out when the collet is opened Insert the selected tool into the collet To insert a 1 4 shanked tool push the special collet back inside the master collet with the shank of the tool Move the handle to approximately 4 00 o clock to close the collet 5 25 WN DANGER REMOVE YOUR HAND from the tool before moving the handle up past 3 30 5 2 6 5 3 5 3 1 5 3 2 Q827 022510 o clock Holding a tool when the clutch engages could cause serious personal injury Ease the handle upward to the operating position Do not let the handle snap up CHANGING BUFFING WHEELS ARBOR BANDS AND STONES By applying the brake buffing wheels arbor bands and stones may be loosened or tightened while the lathe is running From the operating position move the handle down to about 4 30 o clock where the resistance of the brake is felt This disengages the clutch locks the shaft and keeps the collet closed Hold the handle in this position to loosen or tighten buffing wheels arbor bands or stones WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH PAGE 5 6 0 MAINTENAN
20. number cap clockwise against the spring tension until the set screw is facing straight up 12 00 o clock Be sure the handle is still in the operating position 2 30 o clock Tighten the set screw See Figure 9 If there is no spring tension the spring is damaged go to section 6 7 REPLACING THE Figure 9 CLUTCH SPRING If the clutch still slips loosen the set screw and turn the number cap a little more in the clockwise direction to increase the spring tension Tighten the set screw REPLACING THE CLUTCH SPRING If there is no spring tension when attempting to adjust the clutch spring it is damaged and must be replaced Order part number Q183 CLUTCH SPRING LH Move the handle to the operating position 2 30 o clock Loosen the handle set screw and remove the handle Loosen the set screw in the side of the number cap lift off the number cap remove and discard the damaged clutch spring Insert the short end of the new spring into the small hole inside the number cap Holding the spring in place with the tip of your finger or pair of needle nose pliers turn the number cap over and carefully insert the long end of the spring into the small hole in the Quick Chuck housing Be sure the short end of the spring is still in the hole in the number cap The number cap should drop into place so the handle fits through its hole If the number cap has to be pushed down the spring is not installed correctly Install the handle and tighten the hand
21. sed to water Have a qualified service person inspect and replace parts when necessary 1 13 FOR LABORATORY USE ONLY The WELLS Super Quick Chuck is intended for use by trained professional laboratory personnel Q827 022510 WELLS DENTAL INC USER S MANUAL for WELLS SUPER QUICK CHUCK LH PAGE 3 2 0 PRODUCT DESCRIPTION The WELLS Super Quick Chuck is designed for heavy duty laboratory service quiet operation and low maintenance Tool changes are quick and safe A quarter turn of the handle disengages the clutch stops the shaft and opens the collet all while the lathe is running All 1 4 and 3 32 shank tools may be changed instantly without adapters Q011 WELLS SUPER QUICK CHUCK LEFT HAND with accessories consists of SUPER QUICK CHUCK LEFT HAND and Q200 ACCESSORY KIT LH with Q124 ARBOR BAND 3 4 LH Q132 SPIRAL CHUCK LEFT HAND Q140 STONE CHUCK TOOTH amp KNIFE LH 2 Q152 MANDREL WITH 1 64 SCREW LH 2 Q188 SET OF STOPS Q193 COLLET WRENCH 4 JAW 194 TUBE BRUSH 3 8 151 HEX WRENCH 3 32 Q169 INSTALLATION SCREWS 4 Q827 USER S MANUAL 3 0 SPECIFICATIONS COLLET SIZES 1 4 and 3 32 TYPICAL OPERATING RPM sss 1725 3450 RPM MAXIMUM LIMIT RPM l L 5000 RPM UNIT DIMENSIONS without lathe approx 2 5 x 5 x 5 WEIGHT without lathe a 1 5 lbs SHIPPING WEIGHT without lathe 3 l
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