Instruction/ maintenance manual of the product 43681 Harbor Freight Tools
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12” x 37” Gap Bed Lathe Model 43681 ASSEMBL Y AND OPERA TION INSTR UCTIONS (Stand Not Included) Due to continuing impro vements , actual product may diff er slightly from the product described herein. ® 3491 Mission Oaks Blvd., Camarillo , CA 93011 Visit our website at: http://www .
P age 2 SKU 43681 For technical questions, please call 1-800-444-3353. NO TICE The W arnings, Cautions, and Instructions discussed in this instruction manual cannot co ver all possible conditions and situations that ma y occur .
P age 3 SKU 43681 For technical questions, please call 1-800-444-3353. SAFETY W ARNING & CA UTIONS READ ALL INSTRUCTIONS BEFORE USING THIS T OOL! KEEP W ORK AREA CLEAN. Cluttered areas invite injuries. OBSER VE WORK AREA CONDITIONS. Do not use tools in damp, wet, or poorly lit locations.
P age 4 SKU 43681 For technical questions, please call 1-800-444-3353. A V OID UNINTENTIONAL ST AR TING. Be sure that you are prepared to begin work bef ore tur ning the star t s witch on. ST A Y ALERT . W atch what you are doing. Do not operate this machine when you are tired.
P age 5 SKU 43681 For technical questions, please call 1-800-444-3353. Reference Description A Press Switch C Emergency Stop Control D Indicator Light E Gear Bo x F Direction Control G Speed Control A.
P age 6 SKU 43681 For technical questions, please call 1-800-444-3353. UNP A CKING, ASSEMBL Y , AND SET UP . Basic assembly and adjustment of y our new lathe w as completed bef ore being shipped. Final assembly and adjustments m ust be made bef ore operating y our new lathe .
P age 7 SKU 43681 For technical questions, please call 1-800-444-3353. HOISTING AND LEVELING THIS MA CHINE W ARNING: DO NO T A TTEMPT TO LIFT THE LA THE BY Y OURSELF . This tool weighs over 800 lb., and cannot be lifted safel y by one or several strong men.
P age 8 SKU 43681 For technical questions, please call 1-800-444-3353. THE HEADST OCK The headstock includes a Gear bo x (E) which con- tains gears and a belt drive . The gears are con- trolled by controls (F), (G), and (H). The belt dr iv e transmits the motor po wer to the drive system of the machine.
P age 9 SKU 43681 For technical questions, please call 1-800-444-3353. SPEED AND PO WER CONTROLS Y ou can tur n lathe on and off and control speed and direction from the main control panel. The P ower Switch T ur n the Emergency Stop Switch (C) cl oc kwise; the Indicator Light (D) will light up.
P age 10 SKU 43681 For technical questions, please call 1-800-444-3353. APRON The function of the Apron is to support the toolpost, and to be carried along the workpiece b y the lead screw . Use the Control Lev er (V) to star t the mo- tion of the Spindle, and to rotate it f orward or re v erse.
P age 11 SKU 43681 For technical questions, please call 1-800-444-3353. THE THREADING DIAL When the th reads on th e lead scre w and on t he w orkpiec e ar e n ot in a n i nt eger ra ti o, it is n ece ss ary to u se the th rea d - ing dial to control successive cuts.
P age 12 SKU 43681 For technical questions, please call 1-800-444-3353. COMPOUND SLIDE The tool is moved along the w orkpiece by the motion of the apr on and its compo- nents. The apr on ma y be power -driven by the lead scre w , or may be mo ved by hand using the handwheels.
P age 13 SKU 43681 For technical questions, please call 1-800-444-3353. T AILST OCK The tailstock slides along the bed wa y freely , and may be used to secure the free end of a rotating w orkpiece . The tailstock is clamped to the bedwa y using the T ailstock Clamping Le v er (Q).
P age 14 SKU 43681 For technical questions, please call 1-800-444-3353. LUBRICA TION Headstock Lubrication. The headstoc k gears should be lubr icated with No . 70 (HL-70) Gear Compound. Check them per iodically , and apply lubr ication whene v er they appear dr y .
P age 15 SKU 43681 For technical questions, please call 1-800-444-3353. MAINTENANCE W ARNING: For your o wn safety , turn the switch OFF and remo ve plug from electrical outlet before perf orming any maintenance w ork on the lathe . F requently blo w out any dust accum ulation inside the motor .
P age 16 SKU 43681 For technical questions, please call 1-800-444-3353. NO TE: Some par ts are listed and sho wn for illustration purposes onl y and are not av ailable individually as replacement parts.
P age 17 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 18 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 19 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 20 SKU 43681 For technical questions, please call 1-800-444-3353. NO TE: Some par ts are listed and sho wn for illustration purposes onl y and are not av ailable individually as replacement parts.
P age 21 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 22 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 23 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 24 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 25 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 26 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 27 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 28 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 29 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 30 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 31 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 32 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 33 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 34 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 35 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 36 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 37 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 38 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 39 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 40 SKU 43681 For technical questions, please call 1-800-444-3353..
P age 41 SKU 43681 For technical questions, please call 1-800-444-3353. W ARRANTY INFORMA TION Harbor Freig ht T ools Co. makes ev ery ef fort to assure that its products meet high quality and durabil.
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