Jet Elite 1700 Series Operating Instructions And Parts Manual
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Jet Elite 1700 Series Operating Instructions And Parts Manual

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Operating Instructions and Parts Manual
1700 Series Lathe
Models: EGH-1740 | EGH-1760
JET
®
427 New Sanford Road
LaVergne, Tennessee 37086
www.jettools.com
Ph.: 855-336-4032
This .pdf document is bookmarked
Part No. M-EGH-1740
REV C2 07/2020
Copyright © 2015 JET

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  • Page 1 This .pdf document is bookmarked Operating Instructions and Parts Manual 1700 Series Lathe Models: EGH-1740 | EGH-1760 ® 427 New Sanford Road LaVergne, Tennessee 37086 Part No. M-EGH-1740 www.jettools.com REV C2 07/2020 Ph.: 855-336-4032 Copyright © 2015 JET...

  • Page 2: Warranty And Service

    Technical Service by calling 1-855-336-4032, 8AM to 5PM CST, Monday through Friday. WARRANTY PERIOD The general warranty lasts for the time period specified in the literature included with your product or on the official JET branded website, jettools.com. WHO IS COVERED? This warranty covers only the initial purchaser of the product from the date of delivery.
  • Page 3 Canada by JPW Industries, Inc. NOTE: JET is a division of JPW Industries, Inc. References in this document to JET also apply to JPW Industries, Inc., or any of its successors in interest to the JET brand.

  • Page 4: Table Of Contents

    2.0 TABLE OF CONTENTS 1.0 WARRANTY AND SERVICE ............................2 2.0 TABLE OF CONTENTS ..............................4 3.0 SAFETY PRECAUTIONS ............................5 4.0 INTRODUCTION ................................6 5.0 SPECIFICATIONS ................................7 6.0 GENERAL INSTRUCTION ............................8 6.1 GENERAL LAYOUT OF LATHE ..........................8 6.2 FOUNDATION PLAN..............................9 6.3 MOVING THE MACHINE WITH A FORKLIFT ......................10 7.0 INSTALLATION ................................11 7.1 LEVELING THE LATHE ............................

  • Page 5: Safety Precautions

    Do not use this lathe for other than its intended use. If used for other purposes, JET , disclaims any real or implied ®...

  • Page 6: Introduction

    If there are questions or comments, please contact your local supplier or JET. JET can also be reached at our web site: www.jettools.com. Retain this manual for future reference. If the machine transfers ownership, the manual should accom- pany it.

  • Page 7: Specifications

    5.0 SPECIFICATIONS MODEL EGH-1740 EGH-1760 STOCK NUMBER 892100 892150 CAPACITY Swing over Bed 17 in. Swing over Cross Slide 11 in. Distance between Centers 40 in. Width of Bed 12 in. Swing Through Gap 24-1/4 in. Length of Gap 7-2/3 in. HEADSTOCK Spindle Mount D1-6...

  • Page 8: General Instruction

    6.0 GENERAL INSTRUCTION 6.1 GENERAL LAYOUT OF LATHE Fig. 1 1. Headstock 9. One piece solid stand 2. Spindle 10. Leadscrew 3. Bed 11. Feed shaft 4. 4-Way tool post 12. Apron 5. Top slide 13. Footbrake 6. Saddle and Cross slide 14.

  • Page 9: Foundation Plan

    6.2 FOUNDATION PLAN Fig. 2 Fig. 3 Model EGH-1740, EGH-1760 42.15” 48.25” Fig. 4 (One piece solid stand combined with the chip tray in the middle) Model EGH-1740 112.2” 87.0” 59.25” 60.43” EGH-1760 131.88” 106.69” 78.93” 80.11” EGH1740 | EGH1760...

  • Page 10: Moving The Machine With A Forklift

    6.3 MOVING THE MACHINE WITH A FORKLIFT Preparation: 3. Ensure that tailstock and saddle are firmly locked 1. Ensure the power is disconnected from machine. into place before attempting to move machine. 2. Move the saddle and tailstock to the far right side of machine in order to achieve balance.

  • Page 11: Installation

    Read and understand the entire contents of this Confirm that all suspension equipment is properly manual before attempting set-up or operation. rated and in good condition for lifting lathe. Do not Failure to comply may cause serious injury. allow anyone beneath or near load while lifting. 7.0 INSTALLATION 8.

  • Page 12: Chuck Preparation

    11. Tighten foot screw nuts evenly to avoid distortion. diameter of chuck, for easier installing and removal. Figure 8 shows an example. 12. Leveling should be inspected occasionally, and especially if the accuracy of the lathe begins to To remove a chuck from the spindle: diminish.

  • Page 13: Chuck And Chuck Mounting (For D1-6 Spindle)

    7.3 CHUCK AND CHUCK MOUNTING (FOR D1-6 SPINDLE) Reference mark on spindle nose and chuck Turn stud out one turn Cam release datum Use only high-speed chucks with these machines. When fitting chucks or faceplate, ensure that spindle and chuck tapers are thoroughly cleaned and that all cams lock Detail of camlock stud in the correct positions the first.

  • Page 14: Completing Installation

    8.0 ELECTRICAL CONNECTIONS Fill oil to level Electrical connections must be made by a qual- ified electrician in compliance with all relevant codes. This machine must be properly grounded while in use to help protect the operator from elec- trical shock and possible fatal injury. Confirm that power available at the lathe’s location is the Push during working same rating as the lathe.

  • Page 15: Electrical Control Panel

    9.3 HEADSTOCK SELECTORS threading controls. Spindle speed selector E. Spindle rotation, forward, stop and reverse. 1. The upper two selectors on the headstock are for spindle speed selection. There are 16 spindle speeds, as shown on speed chart, divided into four groups.

  • Page 16: Apron Controls

    End gear trains diagram The end gear train should be arranged as in the diagram shown on the dataplate (G5) to meet threading requirements. Feeds: Sliding feeds per spindle revolution range from 0.0015 to 0.04 inch (0.04mm to 1.0mm). Surfacing feeds per spindle revolution range from 0.00075 to 0.02 inch (0.02 to 0.5mm).

  • Page 17: Threading Dial Indicator

    Threading dial indicator Handnut Fig. 18 Fig. 20 Multi-start threads can be cut on a lathe in three ways: 9.6 THREADING DIAL INDICATOR For threads cutting: 1. By repositioning the compound (top) slide one pitch • Tighten the handnut to retain indicator in when forward for each start.

  • Page 18: Tailstock

    Fig. 21 Fig. 23 9.8 TAILSTOCK 9.9 END GEAR TRAIN • The tailstock can be freed for movement along the 1. Drive from headstock to gear box is transmitted bed by unlocking the clamp lever (A). through a gear train enclosed by the headstock •...
  • Page 19 between motor and head-stock pulleys, the resulted depression will be about 3/4” (19mm) when under tension. X:Hexagon nuts (by 24mm spanner) Fig. 25 3/4” (19mm) Fig. 26 EGH1740 | EGH1760...

  • Page 20: Recommended Cutting Speed Of Lathe

    10.0 RECOMMENDED CUTTING SPEED OF LATHE 11.0 REPLACEMENT PARTS — EGH–1740 AND EGH–1760 Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-855-336-4032, Monday through Friday (see our website for business hours, www.jettools.com). Having the Model Number and Serial Number of your machine available when you call will allow us to serve you quickly and accurately.
  • Page 21 HEADSTOCK ASSEMBLY EGH1740 | EGH1760...
  • Page 22 HEADSTOCK ASSEMBLY 1700 Series Lathe...
  • Page 23 HEADSTOCK ASSEMBLY EGH1740 | EGH1760...
  • Page 24 HEADSTOCK ASSEMBLY 1700 Series Lathe...
  • Page 25 HEADSTOCK ASSEMBLY PARTS LIST Index No. Part No. Description Size Qty. EGH1740-A01 Oil Cover 3/4” TS-1504061 Hex. Socket Head Bolt CAP 8x30 EGH1740-A03 Headstock Cover EGH1740-A04 “O” Ring Ø4x1800 EGH1740-A05 Name Plate EGH1740-A06 Rivet Ø2 TS-1525031 Set Screw SET 10x16 EGH1740-A08 Spring EGH1740-A09...
  • Page 26 Index No. Part No. Description Size Qty. TS-155010 Washer EGH1740-A43 Oil sight 3/4” EGH1740-A44 Set screw EGH1740-A45 Spindle EGH1740-A46 Spring EGH1740-A47 Cams EGH1740-A48 12x8x120L EGH1740-A49 12x8x30L TS-1503081 Hex. Socket Head Bolt CAP 6x35 EGH1740-A51 Front Bearing Cover EGH1740-A52 Packing F BB-32022 Taper Roller Bearing 32022X...
  • Page 27 Index No. Part No. Description Size Qty. EGH1740-A85 Plug EGH1740-A86 Clip (R72) BB-6306 Ball bearing 6306 EGH1740-A88 Gear(23T),(25T/52T),Key (8x7x25),Clip(S50),Shaft Assembly for replacement EGH1740-A89 Taper Roller Bearing EGH1740-A90 Washer EGH1740-A91 Gear Shaft (25T) BB-6008 Ball bearing 6008 EGH1740-A93 Clip(S38) EGH1740-A94 Gear(26T),(39T),(45T),(33T),Key (8x7x70),Clip(S55) Assembly for replacement EGH1740-A95...
  • Page 28 GEARBOX ASSEMBLY 1700 Series Lathe...
  • Page 29 GEARBOX ASSEMBLY EGH1740 | EGH1760...
  • Page 30 GEARBOX ASSEMBLY PARTS LIST Index No. Part No. Description Size Qty. EGH1740-B01 Shaft EGH1740-B03 Oil Seal 25x37x08 EGH1740-B04 Bearing TAF25/20 EGH1740-B05 Flanged Bearing EGH1740-B06 Washer EGH1740-B07 Clip EGH1740-B08 7x7x30 EGH1740-B09 Gear 19T/19T EGH1740-B10 Shaft EGH1740-B11 Cover BB-16005 Bearing 16005 EGH1740-B13 Washer EGH1740-B14 Gear...
  • Page 31 Index No. Part No. Description Size Qty. EGH1740-B45 Gear 18T/45T EGH1740-B46 Gear EGH1740-B47 Gear EGH1740-B48 Gear EGH1740-B49 Gear EGH1740-B50 Gear EGH1740-B51 Washer EGH1740-B52 Gear EGH1740-B53 Flanged Bearing EGH1740-B54 Shaft BB-51105 Bearing 51105 EGH1740-B56 Flanged Bearing EGH1740-B57 Sleeve EGH1740-B58 Flanged Bearing EGH1740-B59 Oil seal 28x40x05...
  • Page 32 Index No. Part No. Description Size Qty. TS-1524011 Set Screw SET 8x8 EGH1740-B89 Spring Ø4x19 EGH1740-B91 Lever EGH1740-B92 Fork EGH1740-B93 Spring Pin 4x24 EGH1740-B95 Selector Bar EGH1740-B96 Shaft EGH1740-B97 4x4x15 EGH1740-B98 Fork EGH1740-B99 Fork TS-1550041 Washer EGH1740-B101 Gearbox Cover EGH1740-B102 Oil Sight EGH1740-B103 Hub &...
  • Page 33 APRON (L.H) ASSEMBLY EGH1740 | EGH1760...
  • Page 34 APRON (L.H) ASSEMBLY 1700 Series Lathe...
  • Page 35 APRON (L.H) ASSEMBLY PARTS LIST Index No. Parts No. Description Size Qty. EGH1740-C01 Screw EGH1740-C02 Handle TS-1523071 Set Screw SET 6×25 EGH1740-C04 Bolt EGH1740-C05 Hand Wheel EGH1740-C06 Steel Ball 1/4” EGH1740-C07 Spring EGH1740-C08 Index Ring TS-1513021 Flat Hexagon Screw 5×12 EGH1740-C10 Shaft Liner EGH1740-C11...
  • Page 36 Index No. Parts No. Description Size Qty. EGH1740-C47 O Ring EGH1740-C48 EGH1740-C49 Elasticity Pole EGH1740-C50 Snap Ring TS-1514021 Flat Hexagon Screw 6×16 EGH1740-C52 Washer TS-1524011 Set Screw SET8×8 EGH1740-C54 Spring EGH1740-C55 Lead Nut Lever, Handle , Spring Pin Assembly EGH1740-C57 O Ring EGH1740-C58 5×18...
  • Page 37 Index No. Parts No. Description Size Qty. EGH1740-C90 Spring EGH1740-C91 EGH1740-C92 5×5×45 EGH1740-C93 Shaft EGH1740-C94 Worm EGH1740-C95 Clutch EGH1740-C96 Clutch Gear EGH1740-C97 Lever Arm EGH1740-C98 Washer EGH1740-C99 Spring EGH1740-C100 Washer EGH1740-C101 Thrust Bearing NTB1528/AS2 2 EGH1740-C102 Flanged Bearing Assembly EGH1740-C106 Washer TS-1541041 Nylon Jam Nut EGH1740-C108 Spring Pin...
  • Page 38 DIAL INDICATOR ASSEMBLY & PARTS LISTS IMPERIAL (LEADSCREW 4 T.P.I) Index Part No. Description Size Qty. EGH1740-D01 Pilot Plate EGH1740-D02 Gear Pivot EGH1740-D03 Body EGH1740-D04 EGH1740-D05 Stud EGH1740-D06 Threading Plate EGH1740-D07 Spacer EGH1740-D08 Dial Gear TS-1503021 Hex. Socket Head Bolt M6x10L 1 EGH1740-D52 Rivet...
  • Page 39 4 WAY TOOL POST EGH1740 | EGH1760...
  • Page 40 4 WAY TOOL POST PARTS LIST Index No. Parts No. Description Size Qty. EGH1740-E01 Handle & Turret Nut Assembly for replacement EGH1740-E02 Collar EGH1740-E03 Bolt EGH1740-E04 Turret Body EGH1740-E05 Turret Shaft TS-1524051 Set Screw SET 8x20 EGH1740-E07 EGH1740-E08 EGH1740-E09 Spring EGH1740-E10 Bush EGH1740-E11...
  • Page 41 SADDLES ASSEMBLY EGH1740 | EGH1760...
  • Page 42 SADDLES ASSEMBLY 2 1700 Series Lathe...
  • Page 43 SADDLES ASSEMBLY PARTS LIST Index No. Parts No. Description Size Qty. EGH1740-F01 Adjust Screw EGH1740-F02 Cross Slide EGH1740-F03 Pivot Ø25x40 EGH1740-F04 T bolt EGH1740-F05 Gib-X EGH1740-F06 Wiper-X EGH1740-F07 Plate -X EGH1740-F08 Thrust Bearing NTB/AS2 1528 EGH1740-F09 Cap Collar EGH1740-F10 EGH1740-F12 Lead Screw &...
  • Page 44 Index No. Parts No. Description Size Qty. EGH1740-F44 Gear 16T/36T EGH1740-F45 Straight Adapter 1/8xØ4 EGH1740-F46 Al. Tube Ø4x258 EGH1740-F47 Elbow Adapter 1/8x Ø4 EGH1740-F48 Al. Tube Ø4x121 EGH1740-F49 Oil Filter Ø6 EGH1740-F50 Al. Tube Ø6x170 EGH1740-F51 Straight Adapter 1/8x Ø6 EGH1740-F52 Clamp Plate EGH1740-F53...
  • Page 45 BED AND SHAFTS ASSEMBLY EGH1740 | EGH1760...
  • Page 46 BED AND SHAFTS ASSEMBLY PARTS LIST Index No. Parts No. Description Size Qty. EGH1740-G01 EGH1760-G01 EGH1740-G02 Bolt EGH1740-G03 EGH1740-G04 Plug EGH1740-G05 Spring EGH1740-G06 Bracket EGH1740-G07 Rack EGH1760-G07 Rack EGH1740-G08 Rack EGH1740-G09 Lead Screw EGH1760-G09 Lead Screw EGH1740-G10 Collar EGH1740-G11 Feed Rod EGH1760-G11 Feed Rod EGH1740-G12...
  • Page 47 Index No. Parts No. Description Size Qty. EGH1740-G32 Switch Base EGH1740-G33 Limit Switch TM1308 EGH1740-G34 Collar TS-1503031 Hex. Socket Head Bolt CAP 6x12 TS-1503041 Hex. Socket Head Bolt CAP 6x16 TS-1503051 Hex. Socket Head Bolt CAP 6x20 TS-1505051 Hex. Socket Head Bolt CAP 10x35 TS-1523021 Set Screw...
  • Page 48 END GEAR ASSEMBLY 1700 Series Lathe...
  • Page 49 END GEAR ASSEMBLY PARTS LIST Index No. Parts No. Description Size Qty. EGH1740-H01 Hex. Socket Head Bolt CAP 6x15 EGH1740-H02 Washer EGH1740-H03 Gear EGH1740-H04 Swing Frame EGH1740-H05 7x7x15 TS-154009 EGH1740-H07 Washer EGH1740-H08 Clip BB-6005Z Ball bearing 6005Z EGH1740-H10 Collar EGH1740-H11 Gear 44T/56T EGH1740-H12...
  • Page 50 MAIN MOTOR ASSEMBLY 1700 Series Lathe...
  • Page 51 MAIN MOTOR ASSEMBLY PARTS LIST Index No. Parts No. Description Size Qty. EGH1740-I01 TS-2331101 TS-1550071 Washer EGH1740-I04 Cover EGH1740-I05 EGH1740-I06 V belt 50Z B72 & 60Z B71 EGH1740-I07 Bolt EGH1740-I08 Cover TS-1534032 Dome Cross Screw 6x10 EGH1740-I10 Bolt TS-2331081 EGH1740-I12 Spring TS-1504111 Hex.
  • Page 52 CABINET AND PANEL ASSEMBLY (FRONT MOVEABLE CHIP TRAY OPTIONS) 1700 Series Lathe...
  • Page 53 CABINET AND PANEL PARTS LIST (FRONT MOVEABLE CHIP TRAY OPTIONAL) Index No. Parts No. Description Size Qty. EGH1740-J01 Shaft EGH1760-J01 Shaft TS-1504051 Hex. Socket Head Bolt CAP 8x25 EGH1740-J03 Pedal Bracket TS-1503041 Hex. Socket Head Bolt CAP6x16 EGH1740-J05 Ring TS-1504051 Hex.
  • Page 54 Index No. Parts No. Description Size Qty. TS-1540041 EGH1740-J49 Upper Socket Enclosure EGH1740-J50 Cable Sheath (Alum.) 40-KR100No8-1270mm EGH1760-J50 Cable Sheath (Alum.) 60-KR100No8-1500mm 1700 Series Lathe...
  • Page 55 BED STOP ASSEMBLY (OPTIONAL) & PARTS LIST Index No. Parts No. Description Size Qty. TS-1505101 Hex. Socket Head Bolt M10x60 EGH1740-P02 Rivet Ø2 EGH1740-P03 Name Plate EGH1740-P04 Micro Dial EGH1740-P05 Body EGH1740-P06 EGH1740-P07 Clamp Plate TS-1525041 Set Screw M10x20 EGH1740-P09 Copper Pin TS-1524041 Set Screw...
  • Page 56 CONVENTIONAL TAILSTOCK ASSEMBLY 1700 Series Lathe...
  • Page 57 CONVENTIONAL TAILSTOCK ASSEMBLY PARTS LIST Index No. Parts No. Description Size Qty. EGH1740-K01 Screw & Nut Assembly for replacement EGH1740-K02 6×6×25 BB-51105 Thrust Bearing 51105 EGH1740-K04 Flange EGH1740-K05 Index Ring EGH1740-K06 Handle EGH1740-K07 Handle EGH1740-K08 Bolt EGH1740-K09 Fixed Screw EGH1740-K10 Spring EGH1740-K11 Steel Ball...
  • Page 58 STEADY REST ASSEMBLY 1700 Series Lathe...
  • Page 59 STEADY REST ASSEMBLY PARTS LIST Index No. Parts No. Description Size Qty. Adjusting knob , Spring EGH1740-Q01 Assembly for Replacement pin(Ø4x40L) , Collar, Screw EGH1740-Q02 Finger , Pin , Ball bearing(627) Assembly for Replacement TS-1524011 Set Screw M8x8L EGH1740-Q04 Knob Nut EGH1740-Q05 Clamp Screw EGH1740-Q06...
  • Page 60 FOLLOW REST ASSEMBLY FOLLOW REST ASSEMBLY PARTS LIST Index No. Parts No. Description Size Qty. Adjusting Screw, Spring Pin EGH1740-R01 Assembly for replacement 4x40L,Collar,Screw EGH1740-R02 Finger, Bracket Assembly for replacement EGH1740- Finger, Ball Bearing(627), Pin Assembly for replacement R02BB TS-1524011 Set Screw M8x8L EGH1740-R04...
  • Page 61 EGH1740/EGH1760 ELECTRICAL BOX ASSEMBLY & PARTS LIST Index No. Parts No. Description Size Qty. EGH1740-EL01 Magnetic Switch AC24V EGH1740-EL02 Magnetic Switch AC24V EGH1740-EL03 Over Relay 23A-32A EGH1740-EL04 Over Relay 0.25A-0.4A EGH1740-EL05 Cam Switch EGH1740-EL06 Fuse Base EGH1740-FU25A Fuse (not shown) same as EGH1760 EGH1740-EL07 Fuse Base EGH1740-FU6A...
  • Page 62 892156 5C COLLET CLOSER (OPTIONAL) 1700 Series Lathe...
  • Page 63 892156 5C COLLET CLOSER (OPTIONAL) PARTS LIST Index No. Parts No. Description Size Qty. EGH1740-O02 Bracket TS-1503061 Hex. Socket Head Bolt M6x25 TS-154010 EGH1740-O04 Bolt EGH1740-O05 Bolt EGH1740-O06 Connector Casting TS-0561051 W½" EGH1740-O08 Screw W½ x 155mm Handle Casting Set Screw M8x10 ½"...
  • Page 64 892157 TAPER ATTACHMENT (OPTIONAL) 1700 Series Lathe...
  • Page 65 892157 TAPER ATTACHMENT (OPTIONAL) PARTS LIST Index No. Parts No. Description Size Qty. EGH1740-T01 Collar TS-1503051 Hex. Socket Head Bolt CAP 6x20 EGH1740-T03 Cap Collar EGH1740-T04 Thrust Bearing NTB / AS2-1226 EGH1740-T05 Yoke Plate TS-1540071 BD920N-A14 Socket Head Flat Screw M6x8 EGH1740-T08 Cover Plate...
  • Page 66 Index No. Parts No. Description Size Qty. EGH1740-T45 Clamp Rod TS-1523041 Set Screw M6x12 EGH1740-T47 Bracket EGH1740-T48 Eccentric Pin TS-1505081 Hex. Socket Head Bolt CAP 10x50 EGH1740-T50 Bracket EGH1740-T51 Clamp Plate TS-154009 892157 Taper Attachment (#1 thru 52) 1700 Series Lathe...
  • Page 67 EGH1740/EGH1760 CONTROL BOX ASSEMBLY & PARTS LIST Index No. Parts No. Description Size Qty. EGH1740-CB01 Light Switch EGH1740-CB02 Power Lamp EGH1740-CB03 Pump Switch EGH1740-CB04 Jog Switch EGH1740-CB05 Emergency Stop Switch E-STOP EGH1740 | EGH1760...

  • Page 68: Wiring Diagram

    12.0 WIRING DIAGRAM 1700 Series Lathe...

This manual is also suitable for:

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