Harbor Freight Tools 4019 Lathe User Manual


 
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) and adjust the Spindle Belt (part #17) for the desired Spindle Speed
(130 RPM, 200 RPM, 350 RPM, 560 RPM, 920 RPM, 1,500 RPM, 2,450 RPM,
or 4,000 RPM). Then, make sure to replace the Cover.
4. Center the tip of the tool bit (not included) to the tip of the Tailstock Center
(part #50). Use shims (not included) if necessary. Then, tighten the two Socket
SKU 04019 PAGE 11