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Figure 51 – Steady rest adjustment

13.17

Follow Rest Adjustment

The follow rest mounts to the saddle with two
socket head cap bolts. The follow rest should be
mounted so that the locking knobs point away from
the chuck.

The sliding fingers are set similar to those on the
steady rest – free of play, but not binding.

Always lubricate the fingers sufficiently with grease
before operating.

Содержание ZH Series

Страница 1: ...odels GH 2680ZH GH 26120ZH Model GH 2680ZH shown For ZH Series Lathes Parts List and Electrical Diagrams see document M 321860 1 JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M 321860 Ph 8...

Страница 2: ...ly after maintenance is complete 15 Check damaged parts Before further use of the machine a guard or other part that is damaged should be carefully checked to determine that it will operate properly a...

Страница 3: ...ns that if precautions are not heeded it may result in serious injury or possibly even death WARNING Some dust fumes and gases created by power sanding sawing grinding drilling welding and other const...

Страница 4: ...eded JET has Authorized Service Centers located throughout the United States For the name of an Authorized Service Center in your area call 1 800 274 6846 or use the Service Center Locator on the JET...

Страница 5: ...lection 21 12 4 Thread Cutting 22 13 0 Adjustments 22 13 1 Chuck Jaw Reversal 22 13 2 Gib Adjustments 22 13 3 Tailstock Adjustments 23 13 4 Gap Section 23 13 5 Belt Adjustment and Replacement 24 13 6...

Страница 6: ...z 60 Hz Coolant Pump Motor Induction Induction Horsepower 1 8 HP 1 8 HP Phase 3 PH 3 PH Voltage 230 460V prewired 230V 230 460V prewired 230V Full Load Amps 0 54 0 27A 0 54 0 27A Cycle 60 Hz 60 Hz Pow...

Страница 7: ...oss Displacement 0 40 10mm 0 40 10mm Other Small Steady Rest Capacity 3 4 5 20 125mm 3 4 5 20 125mm Large Steady Rest Capacity 4 9 5 100 240mm 4 9 5 100 240mm Follow Rest Capacity 3 4 4 20 100mm 3 4 4...

Страница 8: ...8 5 0 Dimensions and mounting hole centers Figure 1 Lathe Size 80 inch GH 2680ZH 120 inch GH 26120ZH A 2560mm 100 8 in 3565mm 140 4 in B 3500mm 137 60 in 4500mm 177 2 in C 1721 5mm 67 8 in Table 1...

Страница 9: ...front and a tapered roller bearing and ball bearing See section 11 0for detailed explanation of controls The electrical box is mounted to the rear of the headstock Feed Gearbox The gearbox E is made f...

Страница 10: ...l Stops Six stops R can be moved to any position along the travel setting rod and are secured in place using socket head screws The convex surface of the stop contacts a limit switch on the underside...

Страница 11: ...with 6 dogs D 1 Round Nut Spanner 170 210 mm E 4 Change Gears 63T 69T 78T 90T F 1 Tool Box containing the following 1 Morse Reduction Sleeve G 1 Live Center MT 5 H 1 Dead Center MT 5 I 2 Drive Pins J...

Страница 12: ...hims where needed to level the machine 8 1 Leveling the lathe It is imperative that the lathe be on a level plane that is where headstock and tailstock center points remain aligned throughout the tail...

Страница 13: ...d place on a firm work surface If the spindle seems stuck use a mallet at various points on the back side to help free it from the spindle 3 Inspect the camlock studs Make sure they have not become cr...

Страница 14: ...1 Headstock Oil must be up to indicator mark in oil sight glass at the rear of the headstock NOTE The sight glass on the front of the headstock A Figure 8 verifies operation of the oil pump the one at...

Страница 15: ...several seconds to allow oil to fill the pump from the apron reservoir Then release the knob which will push the oil through various oil lines to lubricate the ways below the saddle Perform this seve...

Страница 16: ...on coolant pump and check to see that coolant is cycling properly Flow is controlled by the tap at the base of the nozzle 3 Reinstall access cover or chip tray Figure 16 GH 26120ZH chip trays 10 0 El...

Страница 17: ...ersion Figure 18 Rapid feed motor wire access 3 Coolant Pump GH 2680ZH Open access panel on the base at the tailstock end Change wires in coolant pump junction box according to diagram on the junction...

Страница 18: ...gure 22 Located on front of headstock are used conjunctively to set up for threading or feeding according to the accompanying chart H Lever G1is used to control change between the different thread sty...

Страница 19: ...lever in neutral position tab in notch before shutting off the lathe 10 Feed Direction Lever N Figure 24 Left and right moves the carriage in the corresponding directions longitudinal feed up and down...

Страница 20: ...the rod with the screws beneath them When the apron trip lever contacts a stop the clutch will disengage 12 0 Operation The operator should consult shop manuals such as Machinery s Handbook for cuttin...

Страница 21: ...31 in one of four positions and placing second lever E2 in a position that matches the color for the range you desire These selections are identified on the lever hub as well as in Table 6 section 16...

Страница 22: ...l thread must be cut that is not found on the chart move thread change control lever G1 Figure 31 to position and lever G3 to IV then reset the change gears 13 0 Adjustments Adjustments to the lathe e...

Страница 23: ...elps when re centering Figure 38 Tailstock adjustments If the clamping force needs to be adjusted use the hex nut E Figure 39 When the clamping lever is released the tailstock floats upward approximat...

Страница 24: ...Lift up on motor and remove temporary blocking 6 Tension belts by loosening lower nut B Figure 41 and tightening down upper nut A Figure 41 until light finger pressure causes approximately 3 4 deflect...

Страница 25: ...led steel bar between centers of the headstock and tailstock Figure 44 2 Fit a dial indicator to the top slide and traverse the center line of the bar If it indicates a taper adjustment is needed 3 Al...

Страница 26: ...l automatic feed When the feed movements stop the handwheel will reengage If the cutting force will not reach rated maximum value remove the cap and adjust the clutch using the adjusting screw see Fig...

Страница 27: ...shear pins which are designed to break in order to protect the drive system against overload A broken shear pin must be replaced Knock out the broken pin line up the holes and insert new pin 13 16 Ste...

Страница 28: ...the saddle with two socket head cap bolts The follow rest should be mounted so that the locking knobs point away from the chuck The sliding fingers are set similar to those on the steady rest free of...

Страница 29: ...speed Workpiece deflecting Change chucking length or diameter Use support on tailstock end Tool deflecting Reduce tool length Backlash on slide ways gibs Adjust backlash Slides running dry Properly l...

Страница 30: ...to 3 months Figure 11 Oil filter Clean monthly Figure 9 10 Gearbox Drain and fill SAE 20W machine oil after first 3 months every 6 months Figure 12 Apron and Saddle Activate one shot lube handle multi...

Страница 31: ...3 00 3 50 4 00 4 50 5 00 5 50 6 00 7 00 8 00 9 00 10 00 11 00 12 00 14 00 1 4 8 11 1 2 4 7 8 11 8 11 1 2 4 7 8 11 1 2 4 7 81 97 82 T H R E A D I N G C H A R T I N I N C H 2 1 2 4 21 2 3 2 4 3 3 3 8 31...

Страница 32: ...21 33 4 71 2 15 30 31 4 61 2 13 26 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 81 97 82 T H R E A D I N G C H A R T 0 50 0 75 1 00 1 25 1 50 1 75 2 00 2 25 2 50 2 75 3 00 3 50 4 00 4 50 5 00 5 50 6 00 7 0...

Страница 33: ...ons Table 6 No Lever Position Spindle Speeds RPM A B 1 black black 36 2 50 3 70 4 light grey light grey 100 5 140 6 200 7 red red 280 8 400 9 560 10 grey grey 800 11 1200 12 1600 17 0 Electrical 230 v...

Страница 34: ...34 18 0 Change Gear Diagram Figure 54...

Страница 35: ...35 This page intentionally left blank...

Страница 36: ...36 This page intentionally left blank 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

Страница 37: ...2680ZH GH 26120ZH Model GH 2680ZH shown For ZH Series Lathes Operation and Maintenance Instructions see document M 321860 JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M 321860 1 Ph 800 27...

Страница 38: ...ed JET has Authorized Service Centers located throughout the United States For the name of an Authorized Service Center in your area call 1 800 274 6846 or use the Service Center Locator on the JET we...

Страница 39: ...sembly Exploded View 39 14 2 Tool Post and Compound Rest Assembly Parts List 40 15 1 Apron Assembly I Exploded View 41 15 2 Apron Assembly I Parts List 42 16 1 Apron Assembly II Exploded View 44 16 2...

Страница 40: ...4 1 1 Bed Assembly I Exploded View...

Страница 41: ...5 1 2 Bed Assembly I for 120 ZH only Exploded View...

Страница 42: ...w M6x16 1 19a GB6172 M6 Nut M6 1 20 C6266C01703C Hex Feed Rod for 80 ZH only 1 C6266C01703D Hex Feed Rod for 120 ZH only 1 21 C6266C01702C in Lead Screw for 80 ZH only 1 C6266C01702D in Lead Screw for...

Страница 43: ...e for 120 ZH only 1 61 C6266C18709 Articulating Sleeve for 120 ZH only 50x82xR100x1000 2 62 C6266C18711 G Drag Chain Support for 120 ZH only 1 63 C6266C18710 G Drag Chain Support for 120 ZH only 1 64...

Страница 44: ...8 2 1 Bed Assembly II Exploded View...

Страница 45: ...9 2 2 Bed Assembly II for 120 ZH only Exploded View...

Страница 46: ...66C01102C G Bed Stand for 80 ZH only 1 24a C6266C01108 G Front Bed Stand for 120 ZH only 1 24b C6266C01109 G Middle Bed Stand for 120 ZH only 1 24c C6266C01110 G Rear Bed Stand for 120 ZH only 1 25 C6...

Страница 47: ...11 Index No Part No Description Size Qty 45 GH 1440A18304 G Wiring Box Cover 1 46 GB818 M6x8 Cross Head Screw M6x8 2 47 C613618302 Warning Label 1 48 GB2672 M6x20 Screw M6x20 2...

Страница 48: ...12 3 1 Headstock Assembly I Exploded View b b Z Z Z...

Страница 49: ...lt M20x75 3 19a GB97 2 20 Washer 20 mm 3 20 C6266C02125 Fork 1 20a C6266C02721A Control Shaft 1 21 GB881 8x40 Pin 8x40 mm 1 21a GB6172 M8 Hex Nut M8 1 22 GB71 M12x30 Slotted Set Screw M12x30 1 23 Q81...

Страница 50: ...or 120 ZH only serial 160315ZH0144 and lower 1 C6266C02305 168 Headstock Label Panel serial 160415ZH0145 and higher 1 53 C6140W02837 Board 1 54 C6140W02836 Oil Distributor 1 55 GB819 M5x10 Cross Reces...

Страница 51: ...15 4 1 Headstock Assembly II Exploded View...

Страница 52: ...H0144 and lower 1 C6266C02304A Speed Sign serial 160415ZH0145 and higher 1 25 C6140W02813 Pin 3 26 C6266C02775 Connector 1 27 C6266C02121 Rocker 1 28 GB117 6x45 Taper Pin serial 120720ZH0041 and lower...

Страница 53: ...Wheel 1 61 C6140W02825 Pin 1 62 C6266C02771 Shaft 1 63 GB117 5x40 Taper Pin serial 120720ZH0041 and lower 5x40 mm 1 GB877 5x45 Taper Pin serial 130102ZH0042 and higher 5x45 mm 1 64 C6266C02127 Rocker...

Страница 54: ...18 5 1 Headstock Assembly III Exploded View...

Страница 55: ...Cross Recessed Pan Head Screw serial 160315ZH0144 and lower M6x8 4 GB2672 M6x8 Screw serial 160415ZH0145 and higher M6x8 4 14a GB97 2 6 Washer 6 7 15 GH 2680ZH 11304 4 Warning Label 80 ZH only serial...

Страница 56: ...20 6 1 Headstock Assembly IV Exploded View b...

Страница 57: ...1 22 C6140W02744 Stop Pin 2 23 Q81 1 0 8x5x16 Spring 0 8x5x16 mm 2 25 C6266C02724 Reverse Clutch Housing 1 26 C6266C02301 Collar 1 27 GB894 1 40 Circlip for Shaft 40 mm 1 28 GB1096 12x50 Flat Key 12x5...

Страница 58: ...ear 1 70 GB894 1 55 Circlip for Shaft 55 mm 1 71 C6266C02739 Shaft III 1 72 GB1099 6x22 Woodruff Key 6x22 mm 1 74 C6266C02717 Gear 1 75 C6266C02716A Gear 1 76 BB 32208 Bearing 32208 1 77 C6266C02779 C...

Страница 59: ...23 7 1 Headstock Assembly V Exploded View b...

Страница 60: ...Screw M12x16 3 26 C6266C02708 2 Pin 3 27 2268930 Bearing 1 28 C6266C02709 Bearing C Clip 1 29 NN3030K W33 P5 Bearing 1 30 C6266C02710 Round Nut 1 31 GB3452 1 250x5 3 O Ring 250x5 3 1 32 C6266C02102 G...

Страница 61: ...Nut M20 1 5 GB97 2 20 Washer 20 1 6 C6266C08101 Quadrant 1 7 C6266C02776 Bolt 1 8 C6140W08703 Nut Cover 1 9 C6140W08702 Gear Shaft 1 10 C6140W08301 Spline Sleeve 1 11 C6266C08102 Gear in 2m97T 1 12 C6...

Страница 62: ...26 9 1 Gear Box Assembly I Exploded View...

Страница 63: ...12 9 4 C6140W05A729 G Back Cover 1 6 C6140W05A101 G Feed Box Casting 1 7 C6266C05765J G Side Splash Guard 1 10 C6140W05A728 Shoulder Screw 3 11 G38 2A M12x1 25 Hex Cap Screw M12x1 25 1 12 TS 2360121 C...

Страница 64: ...28 10 1 Gear Box Assembly II Exploded View...

Страница 65: ...x2 4 mm 2 27a G51 2A 16 x2 4 Ring Seal 16x2 4 mm 1 28 C6140W05A716 Handle Axle 1 30 C6140W05A112 Rocker 1 32 C6140W05A722 Shaft 1 33 C6140W05A111 Rocker 1 34 C6140W05A725 Cam 1 35 C6140W05A723 Shaft 1...

Страница 66: ...nel serial 160415ZH0145 and higher 1 62 C6140W05A307 Handle Panel serial 160315ZH0144 and lower 1 C6140W05A307 2 Handle Panel serial 160415ZH0145 and higher 1 63 C6140W05306 Handle Panel serial 160315...

Страница 67: ...31 11 1 Gear Box Assembly III Exploded View...

Страница 68: ...24 BB 51106 Thrust Bearing 30x47x11 mm 2 25 C6140W05117 G Flange Sleeve 1 26 GB70 M10x25 Hex Socket Cap Screw M10x25 8 28 C6266C05773J Sleeve 1 29 C6266C05741J Bearing Cover 1 30 C6140W05742 Round Nut...

Страница 69: ...ing Cover 1 63 BB 6304 Ball Bearing 20x52x15 mm 1 64 C6140W05761 Double Gear 1 66 C6140W05A760 Shaft III mm 1 67 GB879 6x25 Straight Pin 6x25 1 68 C6140W05A772 Shaft 1 69 C6140W05122 Sleeve 1 70 C6266...

Страница 70: ...34 12 1 Brake Assembly Exploded View...

Страница 71: ...port for 80 Lathe only 3 C6266C22105 G Brake Support for 120 Lathe only 6 22 TS 1505051 Hex Socket Head Cap Screw for 80 Lathe only M10x35 3 TS 1505051 Hex Socket Head Cap Screw for 120 Lathe only M10...

Страница 72: ...36 13 1 Saddle and Cross Slide Assembly Exploded View...

Страница 73: ...40W04720 Back Clamping Block 1 24 GB119 8n6x10 Pin serial 160315ZH0144 and lower 8n6x10 3 G38 3A Z1 8 Oil Plug Screw serial 160415ZH0145 and higher Z1 8 3 25 C6266C04503 Wipe Plate 1 26 C6140W04504 Wi...

Страница 74: ...68 C6266C04102A Cross Slide 1 69 C6266C04704 Sleeve 1 70 TS 1505071 Hex Socket Head Cap Screw M10x45 2 71 C6140W04714 Cover 1 72 GB818 M5x8 Cross Recessed Pan Head Screw M5x8 2 73 GB70 M10x75 Hex Sock...

Страница 75: ...39 14 1 Tool Post and Compound Rest Assembly Exploded View...

Страница 76: ...6C04734JA Lead Screw inch 1 18 C6266C04301A Nut inch 1 19 GB77 M12x70 Hex Socket Set Screw M12x70 1 21 GB1155 10 Oil Cup 10 mm 2 22 C6266C04105 Longitudinal Slide serial 100710ZH0002 and lower 1 C6266...

Страница 77: ...41 15 1 Apron Assembly I Exploded View...

Страница 78: ...G Positioning Block 1 31 GB117 6x35 Taper Pin 6x35 mm 1 32 C6266C06106 G Lever Support 1 33 TS 1503041 Hex Socket Cap Screw M6x16 2 34 Q81 1 1 6x8x22 Spring 1 6x8x22 1 35 GB119 8x15 Pin 8x15 mm 1 36a...

Страница 79: ...x25 Pin 6x25 mm 1 89 C6140W06761 Dial 1 90 C6140W06769 Leaf Spring 1 91 C6140W06767 Locked Knob 1 92 C628006730 G Adjusting Screw 1 93 Q81 1 0 4x3x10 Spring 0 4x3x10 mm 1 94 C6266C06762 Gear inch 1 95...

Страница 80: ...44 16 1 Apron Assembly II Exploded View...

Страница 81: ...1096 8x16 Flat Key 8x16 1 18 C6140W06708 Star Gear 1 19 C6140W06709 Gear 1 20 C6140W06726 Pin 3 21 C6140W06710 Washer 1 22 C6140W06737 Block 1 23 GB67 M6x10 Slotted Pan Head Screw M6x10 1 24 C6140W067...

Страница 82: ...61 C626C06304 Sleeve 1 62 TS 1504041 Hex Socket Cap Screw M8x20 5 63 C6140W06719 Bracket 1 64 C6140W06105 G Bracket 1 65 GB71 M6x10 Slotted Set Screw M6x10 1 66 C6140W06722A G Handle 1 67 C6140W06106...

Страница 83: ...47 17 1 Apron Assembly III Exploded View...

Страница 84: ...aft II 1 26 GB1099 8x28 Woodruff Key 8x28 1 27 G51 2A 32x3 5 O Ring 32x3 5 1 28 C6140W06742 Gear 1 29 C6140W06118 Sleeve 1 30 C6266C06764 Gear in 1 31 GB117 5x35 Taper Pin serial 120720ZH0041 and lowe...

Страница 85: ...49 18 1 Apron Assembly IV Exploded View...

Страница 86: ...4 8 Cross Recessed Pan Head Screw M4x8 7 7 C6266C11701 Cover 1 8 GB5782 M12 110 Hex Cap Bolt M12x110 1 8a GB93 12 Spring Washer 12 mm 1 9 GB97 2 12 Flat Washer 12 mm 1 10 C6266C11101 G Casting 1 11 C6...

Страница 87: ...51 19 1 Tailstock Assembly I Exploded View...

Страница 88: ...10 G Lever 1 18 GB117 5x20 Straight Pin 5x20 mm 1 19 C6140W03715 G Lever Support 1 20 C6140W03716 Washer 1 21 C6140W03717 Clamping Block 1 22 C6140W03718 Clamping Block 1 23 GB70 M12x120 Hex Socket Ca...

Страница 89: ...53 20 1 Tailstock Assembly II Exploded View...

Страница 90: ...10 GB2089 1 8x14x18 Spring 4 14 C6140W03713 Bearing Support 4 15 C6140W03714 Small Axle 4 16 BB 607ZZ Ball Bearing 7x19x6 mm 4 17 C6140W03502 Wipe Plate 1 18 TS 1534032 Phillips Pan Head Machine Screw...

Страница 91: ...55 21 1 Steady Rest Assembly Small and Large Exploded View...

Страница 92: ...0 1 17 GB97 2 20 Washer 20 mm 1 18 C6140W10104 G Clamping Plate 1 19 C6140W10706 Square Head Bolt 1 21 3 Steady Rest Assembly Large Parts List Index No Part No Description Size Qty GH 26XXZH SRAL Stea...

Страница 93: ...A Type Knurled Handle 12 mm 1 2 GB117 4x25 Pin 4x25 mm 1 3 C626610705 Screw 1 4 C6266C10704 Nut 1 5 C6266C10706 Sliding Sleeve 1 6 C6266C10302 Block 1 7 GB75 M10x16 Slotted Set Screw M10x16 2 8 C6140...

Страница 94: ...erial 141020ZH0102and lower 1 ZX CW04A Coolant Pump serial 141220ZH0103 and higher 1 5 TS 1540041 Hex Nut M6 2 6 ZX 01727 Clip for Rubber Tube 1 7 TS 2286202 Phillips Pan Head Machine Screw M6x20 2 8...

Страница 95: ...59 24 1 Travel Stop Assembly Exploded View...

Страница 96: ...el Setting Ring 6 7 GB77 M8x8 Hex Socket Set Screw Cone Pt M8x8 12 8 GB119 4x10 Pin 4x10 mm 6 9 C6266C26713 Locking Key 6 10 C6266C26A707C Travel Set Rod for 80 Size only 1 C6266C26A707D Travel Set Ro...

Страница 97: ...riage Stop Exploded View 25 2 Small Carriage Stop Parts List Index No Part No Description Size Qty 1 TS 1492031 Hex Cap Screw M12x35 2 2 C6266C01112 Clamping Plate 1 3 C6266C01111 G Stop 1 4 GB119 12x...

Страница 98: ...Spanner 45 52 1 20 Hex Key Set 2 3 4 6 8 10 12 one of each 21 ZH 2521 Leveling Bolt ZH 2680 M20x80 6 ZH 2521 Leveling Bolt ZH 26120 M20x80 8 22 ZH 2522 Hex Nut ZH 2680 M20 6 ZH 2522 Hex Nut ZH 26120 M...

Страница 99: ...63 27 1 Electrical Components FR2 FR3 KM1 KM2 KM3 QF1 QF4 7 4 5 KA1 TC 2 3 11 10 1 QS 6 HL SB1 SB4 SA1 8 9...

Страница 100: ...64 27 2 Electrical Diagram...

Страница 101: ...re Relay JW6 125 C Working Temp 125 C 1 SQ1 ZH SQ1 Door Switch QKS8 1 SQ2 ZH SQ2 Limit Switch JW2 11H W1 1 SQ4 ZH SQ4 Micro Switch LXW5 11Q1 1 SB1 SB3 ZH SB1 Button ZB2 BS54C Red 2 SB2 ZH SB2 Button X...

Страница 102: ...wer 6 mm 2 6 ZX S06E Cross Recessed Pan Head Screw serial 160315ZH0144 and lower M6x12 2 GB70 M6x12 Hex Socket Cap Screw serial 160415ZH0145 and higher M6x12 2 7 ZX S07E Hexagon Thin Nut M4 4 8 ZX S08...

Страница 103: ...9 1x8x30 Spring 1x8x30 mm 2 2 Nylon Pipe 6x1 mm 4 3 CB 6 Vitta Tie in M10x1 4 4 CS 6 Clip Sleeve 6 mm 4 5 Tie in M10x1 4 6 T1 6 Bushing 6 mm 4 7 C6266C04730 Connector 1 8 GB119 8x10 Pin 8x10 mm 1 9 C6...

Страница 104: ...d Serial Number of your machine available when you call will allow us to serve you quickly and accurately Non proprietary parts such as fasteners can be found at local hardware stores or may be ordere...

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