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manual abstract
CAUTION: Make sure to remove the two Pins from the 3-Jaw Chuck once the jaws have been tightened. (See Figure D.) SKU 04019 PAGE 8 To Assemble The 3-Jaw Chuck For A Workpiece Up To 2” Diameter: 1. Workpieces with a diameter of up to 2” should be gripped with the external jaws of the 3-Jaw Chuck (part #67). (See Figure E.) 2. If necessary, reverse the jaws for external gripping. To do so, unscrew, remove, and clean each of the three jaws. Turn the knurled tension ring until the beginning of the spiral thread comes to the respective groove. (See Figure D.) 3. The jaws are then inserted in the following order: (See Figure D.) A. Jaw #1 is inserted in reverse in groove #3, then rotate the tension ring. B. Jaw #2 is inserted in reverse in groove #2, then rotate the tenson ring. C. Jaw #3 is inserted in in reverse in groove #1, then rotate the tension ring. 1 3 2 2 31 JAW JAW JAW 3-JAW CHUCK (#67) PIN PIN CAPACITY UP TO 2” FIGURE E WORKPIECE To Adjust The Tool Bit Center Height: 1. The tip of the tool bit (not included) must coincide exactly with the center of the Tailstock Center (part #50). If the tip of the tool bit is not positioned properly, the correct cutting dimensions cannot be obtained. Also, the tip of the tool bit may be damaged. (See Figure F, next page.) 2. Place the tool bit in the Lathe’s Tool Holder (part #24), but do not yet tighten the two Socket Screws (part #26) which clamp the tool bit in place. (See Figure F.) 3. Have several small, thin, metal, shims (not included) on hand. (See Figure F.) 4. Adjust the tip of the tool bit to the center of the Tailstock Center (part #50). If necessary, insert the shim(s) under the tool bit in order to obtain the proper centering. (See Figure F.) SKU 04019 PAGE 9 5. Once the centering procedure is completed, make sure to tighten the two Socket Screws (part #26) to secure the tool bit in place. (See Figure F.) SOCKET SCREW TAILSTOCK CENTER (#50) (#26) TIP OF TOOL BIT (NOT INCLUDED) IF NEEDED, INSERT SHIMS (NOT INCLUDED) HERE TAILSTOCK ASSY. (#45) TOOL HOLDER (#24) FIGURE F To Adjust The Spindle Speed: 1. CAUTION: Always turn the Power Switch (part #2) of its’ “OFF” position and unplug the Mini Bench Lathe from its’ electrical outlet before performing this procedure. 2. The Mini Bench Lathe features three different Drive Belts: the Short Drive Belt, the Medium Drive Belt, and the Long Drive Belt. 3. The Short Drive Belt is mounted on the Idler (part #6) and the Motor Pulley (part #11). Do not adjust or reposition this Drive Belt. (See Figure G.) 4. The Medium and Long Drive Belts are accessory Belts, and both are used to adjust the spindle speed of the Mini Bench Lathe. (See Figure G.) A B A B MOTOR PULLEY (#11) IDLER (#6) SPINDLE PULLEY (#16) SHORT DRIVE BELT MEDIUM DRIVE BELT LONG DRIVE BELT FRONT VIEW SIDE VIEWSIDE VIEW A = OUTER BELT POSITION FIGURE G B = INNER BELT POSITION SKU 04019 PAGE 10 5. Open the Cover (part #1) to expose the Idler (part #6), Motor Pulley (part #11), and Spindle Pulley (part #16). (See Figure B.) 6. To adjust the spindle speed to run at 130 RPM and 200 RPM, place the Medium Drive Belt on the outer (A) positions of the of the Idler (part #6) and Spindle Pulley (part #16). For 130 RPM, set the Two Speed Motor Switch (part #66)to its “LOW” speed setting. For 200 RPM, set the Two Speed Motor Switch to its “HIGH” speed setting. (See Figures G, and B.) 7. To adjust the spindle speed to run at 350 RPM and 560 RPM, place the Medium Drive Belt on the inner (B) positions of the of the Idler (part #6) and Spindle Pulley (part #16). For 350 RPM, set the Two Speed Motor Switch (part #66)to its “LOW” speed setting. For 560 RPM, set the Two Speed Motor Switch to its “HIGH” speed setting. (See Figures G, and B.) 8. To adjust the spindle speed to run at 920 RPM and 1500 RPM, place the Long Drive Belt on the outer (A) positions of the of the Motor Pulley (part #11) and Spindle Pulley (part #16). For 920 RPM, set the Two Speed Motor Switch (part #66)to its “LOW” speed setting. For 1500 RPM, set the Two Speed Motor Switch to its “HIGH” speed setting. (See Figures G, and B.) 9. To adjust the spindle speed to run at 2450 and 4000 RPM, place the Long Drive Belt on the inner (B) positions of the of the Motor Pulley (part #11) and Spindle Pulley (part #16). For 2450 RPM, set the Two Speed Motor Switch (part #66) to its “LOW” speed setting. For 4000 RPM, set the Two Speed Motor Switch to its “HIGH” speed setting. (See Figures G, and B.) To Operate The Mini Bench Lathe: 1. CAUTION: Make sure the Mini Bench Lathe’s Power Switch (part #2) is in its “OFF” position, and the tool is unplugged from its grounded, 120 volt, electrical outlet prior to performing the following steps. 2. Depending on the diameter and hardness of the workpiece, use the Two Speed Motor Switch (part #66) to select either the High Speed Motor setting (5,490 RPM) or Low Speed Motor setting (3,850 RPM). 3. Depending on the diameter and hardness of the workpiece, remove the Cover (part #1) a...