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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

Part No. M-EGH-1740

REV C2  07/2020

Copyright © 2015 JET

This .pdf document is bookmarked

Summary of Contents for Elite 1700 Series

Page 1: ...d 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 Part No M EGH 1740 REV C2 07 2020 Copyright 2015 JET This p...

Page 2: ...defects in workmanship or materials subject to the limitations stated below This warranty does not cover failures due directly or indirectly to misuse abuse negligence or accidents normal wear and te...

Page 3: ...OR DEATH INJURIES TO PERSONS OR PROPERTY OR FOR INCIDENTAL CONTINGENT SPECIAL OR CONSEQUENTIAL DAMAGES ARISING FROM THE USE OF OUR PRODUCTS SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCI...

Page 4: ...12 0 WIRING DIAGRAM 68 WARNING This product can expose you to chemicals including lead and cadmium which are known to the State of California to cause cancer and birth defects or other reproductive ha...

Page 5: ...filter out microscopic particles 10 Do not operate this machine while tired or under the influence of drugs alcohol or any medication 11 Make certain the switch is in the OFF position before connectin...

Page 6: ...ing operation Disconnect tools before servicing when changing accessories such as blades bits cutters and the like 28 Never stop a rotating chuck or workpiece with your hands 29 Choose a low spindle s...

Page 7: ...op Slide Travel 6 2 7 in TAIL STOCK Tailstock Spindle Travel 5 in Tailstock Diameter 2 1 3 in Taper in Tailstock Spindle MT 4 THREADS AND FEEDS Longitudinal feeds IPR 0 0015 0 04 Cross feeds IPR 0 000...

Page 8: ...ATHE 1 Headstock 2 Spindle 3 Bed 4 4 Way tool post 5 Top slide 6 Saddle and Cross slide 7 Splash guard 8 Tailstock 9 One piece solid stand 10 Leadscrew 11 Feed shaft 12 Apron 13 Footbrake 14 Gearbox 1...

Page 9: ...FOUNDATION PLAN Fig 2 Fig 3 Fig 4 One piece solid stand combined with the chip tray in the middle Model A B C D EGH 1740 112 2 87 0 59 25 60 43 EGH 1760 131 88 106 69 78 93 80 11 Model TA TB EGH 1740...

Page 10: ...sure the power is disconnected from machine 2 Move the saddle and tailstock to the far right side of machine in order to achieve balance Insert forks under the bed as close to the headstock as possibl...

Page 11: ...t s precision level on the bed ways both front to back and side to side as shown in Fig ure 7 Take the reading in one direction every ten inches Make sure the ways are clean and free of any debris bef...

Page 12: ...example To remove a chuck from the spindle 1 Support the chuck while turning six camlocks 1 4 turn counterclockwise using the chuck wrench from the tool box See Figure 9 2 Carefully remove the chuck f...

Page 13: ...speed limitations when using faceplates 12 inch faceplates should not be run at speeds higher than 1000 rev min and 14 inch faceplates should not be run at speeds higher than 770 rev min Fig 10 Cam lo...

Page 14: ...ase Close the end gear cover Note A limit switch prevents the lathe from operating when the end gear cover is open 7 6 BREAK IN PERIOD Do not run the lathe above 560 RPM for the first six hours of ope...

Page 15: ...instance if 1000 r p m of spindle speed is to be chosen then move left selector to D and two speed motor switch to low range H N L selector for gearbox 1 Following each feed rate or thread pitch on ge...

Page 16: ...ip loads can be set high or low by adjustment of the knurled handwheel F on the side of the apron The apron handwheel may be disengaged from its gear train during power operation or when thread cuttin...

Page 17: ...ends upon the skill of the operator 2 By using an accurately divided driver plate and turning the work piece one division forward for each start 3 By advancing the driver gear a calculated number of t...

Page 18: ...n by the datum mark D at the tailstock end face as picture shows Tighten clamp lever after adjusting offset Fig 22 9 9 END GEAR TRAIN 1 Drive from headstock to gear box is transmitted through a gear t...

Page 19: ...19 EGH1740 EGH1760 between motor and head stock pulleys the resulted depression will be about 3 4 19mm when under tension Fig 26 Fig 25 X Hexagon nuts by 24mm spanner 3 4 19mm...

Page 20: ...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 a...

Page 21: ...21 EGH1740 EGH1760 HEADSTOCK ASSEMBLY...

Page 22: ...22 1700 Series Lathe HEADSTOCK ASSEMBLY...

Page 23: ...23 EGH1740 EGH1760 HEADSTOCK ASSEMBLY...

Page 24: ...24 1700 Series Lathe HEADSTOCK ASSEMBLY...

Page 25: ...for replacement 2 16 EGH1740 A16 Spring Pin 4x25 4 17 EGH1740 A17 O Ring P16 2 18 EGH1740 A18 Key 5x5x16L 4 19 EGH1740 A19 Shaft 2 20 EGH1740 A20 Clip E8 2 21 EGH1740 A21 Clip 2 22 EGH1740 A22 Fork 2...

Page 26: ...GH1740 A58 Nut YSR100 1 59 EGH1740 A59 Gear 62T 1 60 BB 6019 Ball Bearing 6019 1 61 EGH1740 A61 Outside Cover 1 62 EGH1740 A62 Balance Ring 1 63 TS 1523021 Set Screw SET 6x8 2 64 EGH1740 A64 Cover 1 6...

Page 27: ...8 Needle Bearing RNA6904 2 99 EGH1740 A99 Flanged Bearing 1 100 EGH1740 A100 O Ring P44 1 101 EGH1740 A101 Clip R25 5 102 EGH1740 A102 Shaft F 1 103 EGH1740 A103 Gear 27T 1 104 EGH1740 A104 Gear 54T 1...

Page 28: ...28 1700 Series Lathe GEARBOX ASSEMBLY...

Page 29: ...29 EGH1740 EGH1760 GEARBOX ASSEMBLY...

Page 30: ...17 EGH1740 B17 Shaft 1 19 EGH1740 B19 Shaft 1 20 EGH1740 B20 Key 6x6x25 1 21 EGH1740 B21 Gearbox Body 1 22 EGH1740 B22 Washer 1 23 EGH1740 B23 Gear 32T 1 24 EGH1740 B24 Gear 23T 1 25 EGH1740 B25 Gear...

Page 31: ...haft 1 62 EGH1740 B62 Key 5x5x35 1 63 BB 16003 Bearing 16003 1 64 EGH1740 B64 Clip S17 1 65 EGH1740 B65 Flanged Bearing 1 66 EGH1740 B66 Upper Plate 2 67 EGH1740 B67 Fort Support 1 68 EGH1740 B68 Spri...

Page 32: ...r Lever 1 111 EGH1740 B111 O Ring G30 1 113 EGH1740 B113 Selector Lever Cover 1 114 EGH1740 B114 Specifying Base 1 115 EGH1740 B115 Square Head Plug 3 4 1 116 EGH1740 B116 Elbow 3 4 1 117 EGH1740 B117...

Page 33: ...33 EGH1740 EGH1760 APRON L H ASSEMBLY...

Page 34: ...34 1700 Series Lathe APRON L H ASSEMBLY...

Page 35: ...6005 Ball Bearing 6005LU 1 20 EGH1740 C20 Gear Shaft B 1 21 EGH1740 C21 Rivet 2 8 10 2 22 EGH1740 C22 Name Plate 1 23 EGH1740 C23 Shaft C 1 24 EGH1740 C24 Snap Ring S16 5 25 EGH1740 C25 Collar 2 26 E...

Page 36: ...1 65 EGH1740 C65 Spring 2 66 EGH1740 C66 Pin 1 67 EGH1740 C67 Pin 1 68 EGH1740 C68 Oil Sight 1 69 TS 1503031 Hexagon Socket Head Bolt CAP 6 12 2 70 EGH1740 C70 Adjust Plate 1 71 TS 1503041 Hexagon Soc...

Page 37: ...Nut M10 1 108 EGH1740 C108 Spring Pin 4 24 1 109 EGH1740 C109 Trip Rod 1 110 TS 1523051 Set Screw SET 6 16 1 111 TS 1541021 Nylon Jam Nut M6 1 112 EGH1740 C112 Washer 1 113 EGH1740 C113 Spring 1 114 E...

Page 38: ...1740 D01 Pilot Plate 1 2 EGH1740 D02 Gear Pivot 1 3 EGH1740 D03 Body 1 4 EGH1740 D04 Nut 1 5 EGH1740 D05 Stud 1 6 EGH1740 D06 Threading Plate 1 7 EGH1740 D07 Spacer 1 8 EGH1740 D08 Dial Gear 16T 1 51...

Page 39: ...39 EGH1740 EGH1760 4 WAY TOOL POST...

Page 40: ...41 Set Screw SET 8x16 1 13 EGH1740 E13 Steel Ball 1 4 1 14 EGH1740 E14 Solid Topslide 1 15 EGH1740 E15 Oil Ball 1 4 1 16 EGH1740 E16 Nut Screw Assembly for replacement 1 17 BB 51102 Trust Bearing 5110...

Page 41: ...41 EGH1740 EGH1760 SADDLES ASSEMBLY...

Page 42: ...42 1700 Series Lathe SADDLES ASSEMBLY 2...

Page 43: ...8 1 17 EGH1740 F17 Bracket 1 18 EGH1740 F18 Saddle 1 19 EGH1740 F19 Wiper F 2 20 EGH1740 F20 Plate F 2 21 EGH1740 F21 Oil Cover NF3 4 1 22 EGH1740 F22 Taper Pin 6x70L 2 23 EGH1740 F23 Wiper V 2 24 EGH...

Page 44: ...523021 Set Screw SET 6x8 2 103 TS 1523061 Set Screw SET 6x20 1 104 TS 1523071 Set Screw SET 6x25 5 105 TS 1524011 Set Screw SET 8x8 1 106 TS 1503061 Hex Socket Head Bolt CAP 6x25 2 107 TS 1504041 Hex...

Page 45: ...45 EGH1740 EGH1760 BED AND SHAFTS ASSEMBLY...

Page 46: ...760 G11 Feed Rod 1 12 EGH1740 G12 Lever Assy 1 13 EGH1740 G13 Pin 2 14 EGH1740 G14 Knob Handle Assembly for replacement 1 15 EGH1740 G15 Bracket 1 16 EGH1740 G16 Sleeve 1 17 EGH1740 G17 Spring 1 18 EG...

Page 47: ...rew SET 8x10 1 59 TS 1526011 Set Screw SET 12x12 1 60 TS 1506071 Hexagon Head Bolt M12x50 8 61 TS 2360121 Washer M12 8 62 EGH1740 G62 Clip S32 1 63 EGH1740 G63 Snap Ring E6 1 64 EGH1740 G64 Pin 6 25 8...

Page 48: ...48 1700 Series Lathe END GEAR ASSEMBLY...

Page 49: ...5 EGH1740 H05 Key 7x7x15 1 6 TS 154009 Nut M14 4 7 EGH1740 H07 Washer 3 8 EGH1740 H08 Clip R47 2 9 BB 6005Z Ball bearing 6005Z 2 10 EGH1740 H10 Collar 1 11 EGH1740 H11 Gear 44T 56T 1 12 EGH1740 H12 S...

Page 50: ...50 1700 Series Lathe MAIN MOTOR ASSEMBLY...

Page 51: ...1 21 EGH1740 I21 Brake Belt 1 22 EGH1740 I22 Clip E8 1 23 EGH1740 I23 Pin 1 24 EGH1740 I24 Motor 7 5HP 1 25 EGH1740 I25 Washer 1 26 EGH1740 I26 Hex Head Bolt 12x25 1 27 TS 1503031 Hex Socket Head Bol...

Page 52: ...52 1700 Series Lathe CABINET AND PANEL ASSEMBLY FRONT MOVEABLE CHIP TRAY OPTIONS...

Page 53: ...J23 Back Splash Guard Model 1760 1 24 EGH1740 J24 Knob 1 25 TS 2331121 Nut M12xP1 75 1 26 EGH1740 J26 Pivot 1 27 EGH1740 J27 Chuck Safety Guard 1 28 TS 1506011 Hex Socket Head Bolt CAP12x20 1 29 TS 1...

Page 54: ...Lathe Index No Parts No Description Size Qty 48 TS 1540041 Nut M6 4 49 EGH1740 J49 Upper Socket Enclosure 1 50 EGH1740 J50 Cable Sheath Alum 40 KR100No8 1270mm 1 EGH1760 J50 Cable Sheath Alum 60 KR10...

Page 55: ...Head Bolt M10x60 2 2 EGH1740 P02 Rivet 2 2 3 EGH1740 P03 Name Plate 1 4 EGH1740 P04 Micro Dial 1 5 EGH1740 P05 Body 1 6 EGH1740 P06 Rod 1 7 EGH1740 P07 Clamp Plate 1 8 TS 1525041 Set Screw M10x20 2 9...

Page 56: ...56 1700 Series Lathe CONVENTIONAL TAILSTOCK ASSEMBLY...

Page 57: ...ivot Block 1 22 EGH1740 K22 Plate V 2 23 EGH1740 K23 Wiper V 2 24 EGH1740 K24 Plate F 2 25 EGH1740 K25 Wiper F 2 26 EGH1740 K26 Base 1 27 EGH1740 K27 Gib Screw 2 28 EGH1740 K28 Gib 1 29 EGH1740 K29 He...

Page 58: ...58 1700 Series Lathe STEADY REST ASSEMBLY...

Page 59: ...y for Replacement 3 3 TS 1524011 Set Screw M8x8L 3 4 EGH1740 Q04 Knob Nut 1 5 EGH1740 Q05 Clamp Screw 1 6 EGH1740 Q06 Pin 1 7 EGH1740 Q07 Top Casting Base Casting Assembly for replacement 1 8 EGH1740...

Page 60: ...ar Screw Assembly for replacement 2 2 EGH1740 R02 Finger Bracket Assembly for replacement 2 2 1 EGH1740 R02BB Finger Ball Bearing 627 Pin Assembly for replacement 2 3 TS 1524011 Set Screw M8x8L 2 4 EG...

Page 61: ...25A 0 4A 1 5 EGH1740 EL05 Cam Switch 32A 1 6 EGH1740 EL06 Fuse Base 1 EGH1740 FU25A Fuse not shown same as EGH1760 25A 3 7 EGH1740 EL07 Fuse Base 1 EGH1740 FU6A Fuse not shown same as EGH1760 6A 1 8 E...

Page 62: ...62 1700 Series Lathe 892156 5C COLLET CLOSER OPTIONAL...

Page 63: ...rew W x 155mm 1 9 EGH1740 O09 Handle Casting 1 Set Screw M8x10 2 Nut M8 2 Nut 12UNC 1 Handle Rod 1 Handle 1 Clip S34 1 Washer 52 4x 34 4x9 1 Nut 1 Bearing And Retainer 1 Ball Bearing 6208 1 Cam 1 Hex...

Page 64: ...64 1700 Series Lathe 892157 TAPER ATTACHMENT OPTIONAL...

Page 65: ...1524061 Set Screw M8x25 3 18 TS 2311081 Hexagon Nut M8 3 19 TS 1504061 Hex Socket Head Bolt CAP 8x30 2 20 EGH1740 T20 Rivet 2 4 21 EGH1740 T21 Angle Scale 1 22 TS 1504041 Hex Socket Head Bolt CAP 8x2...

Page 66: ...740 T45 Clamp Rod 1 46 TS 1523041 Set Screw M6x12 4 47 EGH1740 T47 Bracket 1 48 EGH1740 T48 Eccentric Pin 1 49 TS 1505081 Hex Socket Head Bolt CAP 10x50 2 50 EGH1740 T50 Bracket 1 51 EGH1740 T51 Clamp...

Page 67: ...L BOX ASSEMBLY PARTS LIST Index No Parts No Description Size Qty 1 EGH1740 CB01 Light Switch SW2 1 2 EGH1740 CB02 Power Lamp W1 1 3 EGH1740 CB03 Pump Switch SW1 1 4 EGH1740 CB04 Jog Switch PB1 1 5 EGH...

Page 68: ...68 1700 Series Lathe 12 0 WIRING DIAGRAM...

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