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Jet PM-1440HD Operation Manual

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PM-1440HD LATHE
OPERATION MANUAL

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Summary of Contents for Jet PM-1440HD

  • Page 1 PM-1440HD LATHE OPERATION MANUAL...

  • Page 2: Warning

    WARNING! 1. Read and understand the entire instruction manual before attempting assembly or operation. 2. These lathes are designed and intended for use by properly trained and experienced personnel only. If you are not familiar with the proper and safe operation of a lathe, do not use until proper training and knowledge have been obtained.

  • Page 3: Table Of Contents

    Table of Contents Warning .................................. 1 Table of Contents ..............................2 Specifications ................................3 Contents of the Shipping Container ........................4 Uncrating and Clean-Up ............................5 Chuck Preparation ..............................6 Lubrication ................................7-8 Coolant Preparation ..............................9 Electrical Connections ............................9 General Description ............................10-11 Controls ................................11-14 Break-In Procedure ...............................

  • Page 4: Specifications

    Specifications: PM-1440HD Capacities: Swing Over Bed...……………………………………………………………………………………………….…….. …..14” Swing Over Cross Slide………………………………………………………………………………...………………8-1/ 5" Swing Through Gap ………………………………………………………………………………..…………….. 20" Distance Between Centers………………………………………………………….……………………..………………40" Headstock: Hole through Spindle ............................. 1-9/16" Spindle Nose..............................D1-4 Taper in Spindle Nose ............................MT-5 Spindle Taper Adapter ............................MT-3 Number of Spindle Speeds ...........................

  • Page 5: Contents Of The Shipping Container

    WARNING △ Read and understand the entire contents of this manual before attempting set-up or operation! Failure to comply may cause serious injury! Contents of the Shipping Container Lathe Steady Rest Follow Rest 6” Three Jaw Chuck w/Top Reversing Jaws (Direct Mount) 8”...

  • Page 6: Uncrating And Clean-Up

    Uncrating and Clean-Up 1. Finish removing the wooden crate from around the lathe. 2. Unbolt the lathe from the shipping crate bottom. 3. Choose a location for the lathe that is dry, has good lighting, and has enough room to be able to service the lathe on all four sides.

  • Page 7: Chuck Preparation

    Chuck Preparation (Three Jaw) WARNING △ Read and understand all directions for chuck preparation! Failure to comply may cause serious injury and/or damage to the lathe! Note: Before removing the chuck from the spindle, place A piece of wood across the bedways for protection. 1.

  • Page 8: Lubrication

    Lubrication CAUTION △ Lathe must be serviced at all lubrication points and all reservoirs filled to operating level before the lathe is put into service! Failure to comply may cause serious damage to the lathe! Headstock - Oil must be up to indicator mark in oil sight glass.
  • Page 9 sight glass (A, Fig. 6). Top off with Mobil DTE○ Heavy Medium. Remove oil cap (B, Fig. 6) on top of apron to fill. To drain, remove drain plug on bottom of apron. Drain oil completely and refill after the first month of operation.

  • Page 10: Coolant Preparation

    Coolant Preparation CAUTION △ Follow coolant manufacturer’s recommendations for use, care, and disposal. 1. Remove rear access cover on tailstock end. Make sure coolant tank has not shifted during transport and is located properly under recovery chute (Fig.9). 2. Pour three gallons of coolant mix into drip pan. 3.

  • Page 11: General Description

    General Description of a lever. Quick travel of the apron is accomplished Lathe Bed by means of a bed mounted rack and pinion, operated by a hand wheel on the front of the apron. The lathe bed (A, Fig. 10) is made of high grade cast iron. By combining high cheeks with strong cross ribs, a bed with low vibration and high rigidity is realized.

  • Page 12: Follow Rest

    Leadscrew and Feed Rod The leadscrew (B, Fig. 12) and feed rod (C, Fig. 12) are mounted on the front of the machine bed. They are connected to the gearbox at the left for automatic feed and lead, and are supported by bushings on both ends. Both are equipped with brass shear pins.
  • Page 13 D. Jog Switch (D, Fig. 13) - depress and release to advance spindle momentarily. 2. Headstock Gear Change Levers (E, Fig. 13)-Located on front of headstock. Move levers according to speed chart for desired setting. Leadscrew/Feed Rod Directional Lever (F, Fig. 13)- Located on front of headstock.
  • Page 14 Caution: carriage lock must be unlocked before engaging automatic feeds or damaged to lathe may occur. 10. Longitudinal Traverse Hand Wheel (D, Fig. 14) - located on the apron assembly. Rotate hand wheel clockwise to move the apron assembly toward the tailstock.

  • Page 15: Break-In Procedure

    21. Micro Carriage Stop (A, Fig. 16) – located on the lathe bed. Loosen two hex socket cap screws underneath body and slide along bed to desired position. Tighten screw to hold in place. 22. Main Power Switch (not shown)- located on the electrical box door on the rear of the lathe.
  • Page 16 4. Move quadrant (C, Fig. 18) out of the way and hold in place temporarily by tightening nut (A&B, Fig. 18). 5. Remove hex socket cap screws (D and/or E, Fig. 18), depending on which gear is to be changed. 6.
  • Page 17 2. Set selector levers (A, B, C, and D, Fig.20) to desired rate. Note: for threading, lever (D) will be set at ”C” or ”E”, depending on desired thread. 3. Push lever (B,Fig.19) to the right. 4. Engage the half nut lever (C, Fig.19). 5.
  • Page 18 4.8 4.5 3.75 3 2.5 2.4 2.25 2.0 1.8 1.5 1.25 1.2 1.0 0.9 0.75 0.5 0.45 Inch Lead and Feed Table 2 3 4 5 6 7 8 .0294 .0261 .0235 .0214 .0205 .0196 .0181 .0168 1 0 1 1 1 1 1 2 1 3 1 4 .0147 .0131 .0117 .0107 .0102 .0098 .0090 .0084 1 6 1 8 2 0 2 2 2 3 2 4 2 6 2 8...

  • Page 19: Adjustments

    Compound Rest The compound rest is located on top of the cross slide and can be rotated 360 degrees. Loosen the two socket head cap screws (A, Fig.21) on the compound rest base. There is a calibrated dial (in degrees B, Fig.21) below the rest to assist in placement of the compound to the desired angle.

  • Page 20: Compound Rest

    tighten the rear gib screw. Note: Over adjustment will cause excessive premature wear of the gibs. Compound Rest Follow the same procedure as the cross slide adjustment to adjust the compound rest. Rear gib screw is shown (A, Fig.22). Front gib screw (not show) is by the handwheel.

  • Page 21: Removing Gap Section

    adjusting screw nuts after each cut until the bar stock measurements are the same. Tighten all headstock screws. Removing Gap Section 1. To remove gap section, locate two nuts (A, Fig. 25) in the center of the gap section. 2. Using an open end wrench, tighten the two nuts. This will cause the taper pins to release.

  • Page 22: Aligning Tailstock To Headstock

    5. Tension by tightening motor mount hex nut until 8 Ibs. Force causes approximately 3/4” deflection on belts. 6. Close end gear door, install cover and connect lathe to the power source. Aligning Talistock to Headstock Before proceeding, headstock should be aligned. See section labeled ”Headstock Alignment”.

  • Page 23: Drawing Of Foundation

    Drawing of Foundation Separated Bed Stand Integrated Bed Stand...

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