Jet JTM-1254VS Operating Instructions And Parts Manual Download Page 5

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12.8.1 JTM-1254VS/RVS Control Box Assembly – Exploded View .............................................................. 45

12.8.2 JTM-1254VS/RVS Control Box Assembly – Parts List ....................................................................... 45

12.9.1 JTM-1254VS/RVS Electrical Box – Exploded View ........................................................................... 46

12.9.2 JTM-1254VS/RVS Electrical Box – Parts List .................................................................................... 46

12.10.1 JTM-1254VS/RVS Coolant Pump (Optional) – Exploded View ........................................................ 47

12.11.1 JTM-1254VS/RVS Work Lamp – Exploded View ............................................................................. 47

12.10.2 JTM-1254VS/RVS Coolant Pump (Optional) – Parts List ................................................................ 47

12.11.2 JTM-1254VS/RVS Work Lamp – Parts List ...................................................................................... 47

12.12.1 JTM-1254VS/RVS Spindle Guard Assembly – Exploded View ........................................................ 48

12.12.2 JTM-1254VS/RVS Spindle Guard Assembly – Parts List ................................................................ 48

12.13.1 JTM-1254VS/RVS Lubrication System – Exploded View ................................................................. 49

12.13.2 JTM-1254VS/RVS Lubrication System – Parts List ......................................................................... 49

13.0 Electrical Connections – JTM-1254VS/RVS .............................................................................................. 50

14.0 Warranty and service ................................................................................................................................. 51

Summary of Contents for JTM-1254VS

Page 1: ...Parts Manual Variable Speed Turret Mill Models JTM 1254VS and JTM 1254RVS JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M 690025 Ph 800 274 6848 Edition 2 11 2016 www jettools com Copyrigh...

Page 2: ...machine adjustments or maintenance with the machine unplugged from the power source 14 Remove adjusting keys and wrenches Form a habit of checking to see that keys and adjusting wrenches are removed f...

Page 3: ...utter against the direction of rotation of the blade or cutter only 35 Installation work and electrical wiring must be done by a qualified electrician in accordance with all applicable codes and stand...

Page 4: ...operation changing tooling 15 8 17 Clamping workpiece to table 16 9 0 Adjustments 16 9 1 Mill head left right adjustment 16 9 2 Positioning ram 17 9 3 Gib adjustment 17 9 4 Power feed trip lever mecha...

Page 5: ...View 47 12 11 1 JTM 1254VS RVS Work Lamp Exploded View 47 12 10 2 JTM 1254VS RVS Coolant Pump Optional Parts List 47 12 11 2 JTM 1254VS RVS Work Lamp Parts List 47 12 12 1 JTM 1254VS RVS Spindle Guar...

Page 6: ...190mm Collet Capacity 1 8 1 in 1 8 1 in Ram Travel maximum 20 4 in 518mm 20 4 in 518mm Table and Knee Table Size 12 x 54 in 305 x 1372mm 12 x 54 in 305 x 1372mm Longitudinal Table Travel maximum 28 1...

Page 7: ...7 4 1 Machine dimensions JTM 1254VS and JTM 1254RVS Figure 4 1 Installation Diagram...

Page 8: ...8 4 2 Overview and terminology JTM 1254VS and JTM 1254RVS Figure 4 2 Overview...

Page 9: ...be covering the machine on the pallet 2 Remove accessory items from pallet or machine table Compare items with section 5 1 3 Check lifting ring on ram to be certain it is tight 4 Check tightness of lo...

Page 10: ...awbar with spacer installed into spindle center through top of machine 17 Slide fine feed handwheel onto handwheel hub and push until its roll pin engages hole in hub and handwheel is flush with hub s...

Page 11: ...ree seconds to force feed oil The lubricator remains active as long as milling machine is turned on To turn off lubricator while mill is on use top switch C Remember to turn lubricator on before opera...

Page 12: ...motor or gear mechanism However it is recommended that switch be placed at neutral position and spindle allowed to come to a stop then switch moved to opposite direction B Coolant switch Turns on and...

Page 13: ...er feed worm gear whenever power feed is not required This avoids unnecessary wear on worm gear Do not move Quill Power Feed Lever unless motor is at complete stop spindle off D Figure 8 1 When changi...

Page 14: ...fine feed handwheel B Figure 8 7 back and forth to aid engagement If spindle is rotating clockwise in is downfeed out is upfeed If spindle rotation is counterclockwise out is downfeed in is upfeed Neu...

Page 15: ...setting Feed Direction Knob C position per Table 3 Spindle Direction Feed Direction Knob Position CW Down In Up Out CCW Down Out Up In Table 3 9 Place Quill Feed Engagement Lever L in Engaged position...

Page 16: ...Figure 9 1 2 Turn worm nut B Figure 9 1 to tilt head left or right as required Use scale on ram adapter to set desired angle Note Scales on ram adapter and for head rotation are guides only Close tol...

Page 17: ...turn should be sufficient to allow turret to move Note Use gentle hand pressure to avoid rapid movement 2 Turn ram until spindle is in desired position Use scale on turret for degree measurement 3 Ti...

Page 18: ...acklash adjustment Refer to Figure 9 6 The milling machine table is moved by a lead screw and nut for each machine axis For proper operation there must be clearance between lead screw and nut which re...

Page 19: ...19 Figure 9 6...

Page 20: ...arings and back gear mechanism Refer to Figures 10 1 through 10 4 for lubrication requirements and access points Key Description Recommended Lubricant Action A Spindle bearing oil cup Mobil DTE Oil Li...

Page 21: ...30 40 45 90 Malleable iron 37 45 45 90 Steel soft 60 90 75 105 Steel medium 454 67 52 75 Steel hard 24 37 55 75 Cast steel 24 30 55 75 Aluminum 240 300 300 360 Brass 105 180 150 300 Bronze 52 75 75 9...

Page 22: ...22 12 1 1 JTM 1254VS Upper Head Assembly Exploded View...

Page 23: ...heel Assembly includes 18 27 28 1 28 JTM1254VS A28 Handle 1 29 JTM1254VS A29 Chain Axle 1 30 5509313 Spring Pin 4x16L 2 31 GA7X 865 Spring Pin 3x25L 1 32 JTM1254VS A32 Chain 1 33 JTM1254VS A33 Screw 1...

Page 24: ...Detent Plate 1 90 JTM949EVS A05 Sleeve 1 91 JTM949EVS A06 Spring 1 92 JTM949EVS A08 Hi Lo Pinion Block 1 93 TS 1502031 Hex Socket Cap Screw M5x12 2 94 JTM949EVS A09 Hi Lo Shift Handle 1 95 F004478 Ca...

Page 25: ...25 Index No Part No Description Size Qty 133 LM000005 Speed Range Label 1 134 JTM949EVS A91 Push Plate 1 135 JTM949EVS A92 Limit Switch 1 136 LM000182 Motor Label 1 137 JET 165 JET Logo 165x68 mm 1...

Page 26: ...26 12 2 1 JTM 1254RVS R8 Upper Head Assembly Exploded View...

Page 27: ...bly includes 18 27 28 1 28 JTM1254RVS A28 Grip 1 29 JTM1254RVS A29 Chain axle 1 30 5509313 Spring Pin 4x16L 2 31 GA7X 865 Spring Pin 3x25L 1 32 JTM1254RVS A32 Chain 1 33 JTM1254RVS A33 Screw 1 34 JTM1...

Page 28: ...89 JTM949EVS A04 Hi Lo Detent Plate 1 90 JTM949EVS A05 Sleeve 1 91 JTM949EVS A06 Spring 1 92 JTM949EVS A08 Hi Lo Pinion Block 1 93 TS 1502031 Hex Socket Cap Screw M5x12L 2 94 JTM949EVS A09 Hi Lo Shif...

Page 29: ...29 Index No Part No Description Size Qty 133 LM000005 Speed Range Label 1 134 JTM949EVS A91 Push Plate 1 135 JTM949EVS A92 Limit Switch 1 136 LM000182 Motor Label 1 137 JET 165 JET Logo 165x68 mm 1...

Page 30: ...30 12 3 1 JTM 1254VS Lower Head Assembly Exploded View...

Page 31: ...4x45L 1 24 JTM1254VS B24 Bevel Gear Bushing 1 25 JTM1254VS B25 Spacer 1 26 JTM1254VS B26 Feed Drive Gear TA2620Z 1 27 JTM1254VS B27 Bushing 1 28 JTM1254VS B28 Worm 1 28 1 JTM1254VS B28 1 Spring Pin 1...

Page 32: ...B72 Handwheel Clutch 1 73 5302731 Set Screw M8x6L 1 74 ETW6 Retaining Ring ETW6 1 75 JTM1254VS B75 Feed Reverse Stud 1 JTM1254VS B75A Feed Reverse Stud Assembly includes 74 75 76 1 76 JTM1254VS B76 Fe...

Page 33: ...110 STW22 Retaining Ring STW22 1 111 TS 1521071 Set Screw M4x20L 1 112 TS 1540021 Hex Nut M4 1 113 TS 1502051 Hex Socket Cap Screw M5x20L 1 114 TS 1540031 Hex Nut M5 1 115 JTM1254VS B115 Spring Pin 1...

Page 34: ...34 12 4 1 JTM 1254RVS R8 Lower Head Assembly Exploded View...

Page 35: ...M949EVS B27 Upper Bushing 1 28 JTM949EVS B28 Cluster Gear 1 29 KF2R4445 Key 4x4x45 1 31 JTM949EVS B31 Bevel Gear Shaft 1 32 STW16 Retaining Ring STW16 2 33 JTM949EVS B33 Bevel Gear Bushing 1 34 JTM949...

Page 36: ...99 JTM949EVS B99 Clutch Arm Cover 1 100 TS 1523051 Socket Set Screw M6x16 1 101 TS 2311061 Hex Nut M6 1 102 5625391 Spring Pin 5x16 1 103 JTM949EVS B103 Cam Rod 1 104 JTM949EVS B104 Trip Handle 1 105...

Page 37: ...9EVS B146 Trip Lever Pin 1 147 KF2R5525 Key 5x5x25 1 148 JTM949EVS B148 Quill Lock Sleeve 1 148 1 JTM949EVS B148 1 Spring 1 149 JTM949EVS B149 Lock Handle M8 1 150 TS 1533032 Pan Head Screw M5x10 2 15...

Page 38: ...38 12 5 1 JTM 1254VS Base Machine Exploded View...

Page 39: ...Ram Cover 1 22 JTM1254VS C22 Strainer Net 2 23 JTM1254VS C23 Elevating Screw Housing 1 23 1 TS 1505071 Hex Socket Cap Screw M10x45L 2 24 JTM1254VS C24 Elevating Nut Inch 32 x 5 tpi 1 24 1 TS 1503051 H...

Page 40: ...k Handle M12x25L 4 67 1 JTM1254VS C67 1 Table Lock Plunger 1 1 67 2 JTM1254VS C67 2 Table Lock Plunger 2 1 68 JTM1254VS C68 Gib 1 70 JTM949EVS C48 Chip Guard Bottom 580 mm 129x2 0T 1 71 JTM949EVS C49...

Page 41: ...41 12 6 1 JTM 1254RVS R8 Base Machine Exploded View...

Page 42: ...JTM1254VS C23 1 Hex Socket Cap Screw M10x45L 2 24 JTM1254VS C24 Elevating Nut Inch 32 x 5 Tpi 1 24 1 TS 1503051 Hex Socket Cap Screw M6x20L 6 25 JTM1254VS C25 Lead Screw Inch 35x5 Tpi 590 1 26 KF2R552...

Page 43: ...C73 Knee Support Plate Right 1 74 JTM1254VS C74 Knee Support Plate Left 1 75 JTM1254VS C75 Gib 1 76 JTM1254VS C76 Hex Socket Cap Screw M14x35L 10 77 JTM1254RVS C77 Lock Stud 1 78 JTM949EVS C06 Adapter...

Page 44: ...ring 6204ZZ 5 10 JTM949EVS D10 Bearing Bracket 60 2 11 5311251 Spring Pin 5x30 6 12 TS 1505011 Hex Socket Cap Screw M10x16 16 13 KF2R3325 Key 3x3x25 3 14 JTM1254VS D14 Lead Screw 32 x 5 tpi 1632 1 15...

Page 45: ...t M5 4 10 TS 1550031 Flat Washer 5 4 11 JTM949EVS E12 Handle 1 12 TS 2245162 Socket Head Button Screw M5x16 4 JTM949EVS E14 Support Rod Unit Assembly includes 13 13 1 13 2 16 20 23 1 13 JTM1254VS E13...

Page 46: ...um Rail 2 9 JTM949EVS F14 Wire Casing 5 10 JTM949EVS F15 Terminal Block 1 11 JTM949EVS F21 Switch Bracket 1 12 JTM949EVS F05 1 Switch Interface 1 QS1 JTM949EVS F05 Door Switch includes 12 1 TC1 JTM949...

Page 47: ...ck 1 5 JTM949EVS G07 Hose Fitting PT 3 8 x 1 2 90 1 6 JTM949EVS G06 Hose 1 2 1 7 JTM949EVS G07 Hose Fitting PT 3 8 x 1 2 90 1 8 JTM949EVS G08 Hose Clamp 5 6 11 20 2 9 JTM949EVS G09 Coolant Pump 1 8HP...

Page 48: ...02101 Hex Socket Cap Screw M5x45 2 2 JTM949EVS H02 Support Plate 1 3 TS 2245102 Socket Head Button Screw M5x10 2 4 JTM949EVS H04 Bushing Bracket Re JTM949EVS H04A 1 JTM949EVS H04A Bushing Bracket Asse...

Page 49: ...2L 0 180min 1 2 TS 1503061 Hex Socket Cap Screw M6x25L 2 3 JTM949EVS J03 Flexible Steel Tube 4 1 4 JTM949EVS J04 Elbow Adaptor 4 3 5 JTM949EVS J10 Oil Distributor 4 6 holes 2 6 JTM949EVS J06 Flexible...

Page 50: ...50 13 0 Electrical Connections JTM 1254VS RVS 230V Wiring Diagram 460V Wiring Diagram...

Page 51: ...tional action needed 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 Loc...

Page 52: ...52 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com...

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