Jet JTM-1050 Operating Instructions And Parts Manual Download Page 21 | Manualshive

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Replacement Parts

Replacement parts are listed on the following pages. To order parts or reach our service department, call 1-
800-274-6848 Monday through Friday, 8:00 a.m. to 5:00 p.m. CST. Having the Model Number and 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 ordered from JET.
Some parts are shown for reference only, and may not be available individually.

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Summary of Contents for JTM-1050

Page 1: ... Instructions and Parts Manual Variable Speed Turret Mill Model JTM 1050 JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M 690050 Ph 800 274 6848 Revision H1 10 2018 www jettools com Copyright 2014 JET ...

Page 2: ...eeded 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 website More Information JET is constantly adding new products For complete up to date product information check with your local distributor or visit the JET website How State Law Applies This warran...

Page 3: ...e setting 16 12 8 Ram movement 16 12 9 Table Movement 16 12 10 Feed Trip Adjustment 17 13 0 Maintenance 17 13 1 General maintenance 17 13 2 Lubrication 17 13 3 Gib adjustment 18 13 4 Motor removal 18 13 5 Timing belt replacement 18 13 6 Drive belt replacement 19 13 7 Brake shoe replacement 19 13 8 Leadscrew backlash adjustment 19 14 0 Replacement Parts 21 14 1 1 JTM 1050 Variable Speed Head Assemb...

Page 4: ...ely after completion of maintenance 15 Keep hands away from all moving parts belts cutters gears etc 16 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 and perform its intended function Check for alignment of moving parts binding of moving parts breakage of parts mounting and any othe...

Page 5: ...ical aspects of this milling machine It is not nor was it intended to be a training manual Do not operate this machine until appropriate training and knowledge have been acquired 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 s...

Page 6: ...45 Maximum Distance Spindle Nose to Table in 19 Maximum Distance Spindle Center to Column in 26 1 2 Minimum Distance Spindle Center to Column in 5 1 2 Collet Capacity in 1 8 7 8 Ram Travel maximum in 20 1 2 Table Table Size in 10 x 50 Longitudinal Table Travel maximum in 30 Table Cross Travel maximum in 15 1 4 Number of T Slots 3 T Slot Size width in 5 8 T Slot Centers in 2 1 2 Table Load maximum ...

Page 7: ...7 6 0 JTM 1050 Installation Layout Figure 1 ...

Page 8: ...ox 10 Base 11 Strainer for use with optional flood coolant systems 12 Holes for mounting bolts x4 13 Elevating leadscrew 14 Knee 15 Crossfeed handle 16 Knee crank handle 17 Pleated way cover 18 Table locking handle x2 19 Flat way cover 20 Column 21 Spindle 22 Head assembly see section 10 0 for explanation of controls 23 Motor junction box 24 Saddle locking handle 25 Lubrication chart 26 One shot l...

Page 9: ...iner Refer to Figure 3 1 Turret Mill not shown 1 Flat Way Cover 1 Pleated Way Cover 1 Draw Bar 3 Table Adjustment Handles 1 Tool Box containing 1 Hex Key Set 1 5 10mm 1 17 19mm Box Wrench 1 Cross Point Screw Driver 2 1 Flat Blade Screw Driver 2 1 Plastic Oil Bottle 1 Elevating Crank Handle 1 Handwheel 1 Coarse Feed Handle 1 Can White Touch Up Paint 1 Lifting Ring 1 Operator s Manual not shown 1 Wa...

Page 10: ...angement is new or in excellent condition and has a safety factor that will account for age difficulties in lifting etc When lifting using the ring the machine may tend to tip forward If you wish you can minimize this tipping by rigging a support sling over the front of the machine Be careful when doing this to prevent the sling from damaging any components on the front of the machine Be sure to s...

Page 11: ...ont and behind the table 8 6 Lubrication Do not operate the mill before lubricating the machine fully Failure to comply may cause damage to the machine Before operating mill refer to sect 13 2 for lubricating instructions 9 0 Electrical Connections All electrical connections must be made by a qualified electrician Failure to comply may cause serious or fatal injury The JTM 1050 mill is rated at 23...

Page 12: ...on the worm gear Maximum auto feed loading is a 3 8 9 5mm diameter bit for drilling in steel Use manual feed for bits larger than 3 8 F Coarse feed handle F located on right side of head Used for non precision drilling operations and for moving quill to a specific depth Rotate clockwise to lower spindle A return spring will retract spindle automatically once handle is released G Quill lock G locat...

Page 13: ...ting motor Rotate spindle by hand to facilitate meshing of clutch and gears Do not use quill automatic feed at speeds above 2700 RPM It is recommended that the auto feed worm gear be disengaged whenever auto feed is not required This will avoid unnecessary wear on the worm gear Maximum auto feed loading is a 3 8 9 5mm diameter bit for drilling in mild steel Use manual feed for bits larger than 3 8...

Page 14: ...arse or fine manual downfeed Note Always make a test cut to verify that depth of cut is correct 12 5 Automatic feed Refer to Figure 8 1 Ensure quill lock G Figure 8 is loosened by rotating counterclockwise 2 Set micrometer nut H to desired depth 3 Engage auto feed lever by pulling out lock knob E and moving lever to the left hole 4 Select feed direction by setting feed direction knob K position pe...

Page 15: ...is 90 to the table in the X and Y axis Please note the table is fitted to be slightly higher in front usually about 0 0005 Figure 9 Mill head movement Be sure to apply torque in two steps using a crossing pattern Failure to do so could distort the face of the ram adapter 3 Tighten the four hexagonal nuts Tighten in two steps using a calibrated torque wrench Use a crossing pattern to tighten the nu...

Page 16: ...ator reads zero in both positions i When indicator reads zero tighten ram adapter clamp bolts E Figure 11 12 8 Ram movement 12 8 1 Ram position fore and aft Refer to Figure 12 1 Loosen handles G Figure 12 that lock the ram to its ways 2 Turn lever H to slide ram 3 When desired position is reached lock handles G securely Figure 12 Ram positioning 12 8 2 Rotating ram on turret Refer to Figure 12 Mak...

Page 17: ...st or corrosion Periodically remove vent panels to check pulleys and belts for unusual wear or grooving Operators should vary speed occasionally to prevent formation of grooves on the pulley surfaces When using a coolant pump periodically clean the sump in the machine base to extend pump life and promote efficient cutting Change coolant regularly at intervals recommended by the coolant supplier 13...

Page 18: ...ib until indicator reading is within 0 003 13 3 3 Table gib Adjust one gib D located between table and saddle Use dial indicator to measure amount of movement in table Adjust gib until indicator reading is within 0 003 Figure 17 Gib locations 13 3 4 Ram gib adjustment Adjust one gib E Figure 18 using the two set screws F Tighten the nuts on the set screws after adjusting Figure 18 Ram gib location...

Page 19: ...ement Refer to Figure 22 1 Disconnect machine from power source 2 Remove top section 3 Remove two screws A Figure 22 4 Remove clutch hub assembly B D 5 Replace brake shoes C Figure 22 Brake shoe replacement 13 8 Leadscrew backlash adjustment The milling machine table is moved by a leadscrew and nut for each machine axis For proper operation there must be clearance between leadscrew and nut which r...

Page 20: ...ly one of the longitudinal leadscrew nuts can be adjusted the other nut is fixed The left hand nut is typically adjustable This can be determined by looking at nut from underside of table 2 Loosen the two nut locking screws 3 Turn the nut slightly to tighten it against the opposing nut 4 Tighten the two nut locking screws 5 Using one of the longitudinal table cranks move table to middle position 6...

Page 21: ...through Friday 8 00 a m to 5 00 p m CST Having the Model Number and 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 ordered from JET Some parts are shown for reference only and may not be available individually ...

Page 22: ...22 14 1 1 JTM 1050 Variable Speed Head Assembly Exploded View ...

Page 23: ...orm Gear 1 23 PVS D23 Spring Pin 5x10 mm 2 24 PVS D24 Bushing 2 25 PVS D25 Dial Control Shaft 1 26 PVS D26 Spring Pin 3x12 mm 2 27 PVS 027 Dial Wheel 1 28 PVS D28 Wheel Handle 1 29 PVS D29 Shaft 1 30 PVS 030 Spring Pin 4x35 mm 2 31 PVS 031 Spring Pin 3x25 mm 1 32 PVS 032 Speed Change Chain 1 33 PVS 033 Adjustment Stud 1 34 PVS 034 Sleeve Nut 1 35 PVS D35 Adjustment Stud 1 36 PVS D36 Tilter 1 37 PV...

Page 24: ... 084 Spring 3 85 PVS 085 Vari Speed Plate 1 86 PVS 086 Plastic Face Plate 1 87 PVS 087 Gear Shaft Pinion 1 89 PVS 089 Deter Plate 1 90 PVS 090 Bearing Stop 1 91 PVS 091 Spring 1 92 PVS 092 Pinion Block 1 93 TS 1503011 Hex Socket Cap Screw M5x14 2 94 PVS 094 Pinion Crank 1 95 PVS 095 Cap Nut 1 96 PVS 096 Nut 3 8 1 98 PVS 098 Wave Washer 1 99 PVS 099 Plastic Ball 2 100 PVS 100 Collar 1 101 PVS 101 C...

Page 25: ...25 14 2 1 JTM 1050 Head Assembly Exploded View ...

Page 26: ...ey 3x3x45 1 31 1050B 31 Gear Shaft 1 32 1050B 32 Snap Ring S 16 1 33 1050B 33 Bevel Gear Bushing 1 34 1050B 34 Spacer 1 36 1050B 36 Gear 1 39 TS 1540031 Nut M5 1 40 1050B 40 Feed Drive Gear 1 41 1050B 41 Needle Bearing 1 42 1050B 42 Bushing 1 43 1050B 43 Worm Gear 1 44 B 44 Bushing 1 47 B 47 Washer 1 48 B 48 Bushing 2 49 B 49 Bevel Gear 2 50 B 50 Feed Reverse Clutch 1 54 TS 1503061 Hex Socket Cap ...

Page 27: ... B 110 Knob Stud 1 111 B 111 Reverse Knob 1 112 B 112 E Ring E 6 1 113 B 113 Handle Wheel Clutch 1 114 B 114 Steel Ball 3 16 2 115 B 115 Compression Spring 2 116 B 116 Set Screw M8x6 1 117 B 117 Spring Pin 3x15 mm 1 118 B 118 Cam Rod Sleeve 1 119 B 119 Spring Pin 3x12 mm 1 120 B 120 Compression Spring 1 121 B 121 Trip Plunger 1 123 B 123 Bushing 4 124 B 124 Feed Trip Plunger 1 125 B 125 Handwheel ...

Page 28: ...w M10x15 1 166 B 166 Quill Pinion Shaft 1 168 B 168 Pin 1 169 TS 1503010 Hex Socket Cap Screw M5 12 2 171 KEY3320 Key 3x3x20 mm 1 172 B 172 Pinion Shaft Hub Screw 1 173 B 173 Set Screw 5 16 x1 4 1 174 B 174 Compression Spring 1 175 B 175 Handle Hub 1 176 B 176 Hub Sleeve 1 177 B 177 Spring Cover includes 178 Spring 1 178 B 178 Clock Spring 1 179 B 179 Washer 4 181 TS 1523041 Set Screw M6x12 mm 2 1...

Page 29: ...29 14 3 1 JTM 1050 Base Assembly Exploded View ...

Page 30: ... Bolt chrome 5 C 38BR Saddle Lock Bolt brushed finish 5 39 C 29 Saddle Lock Plunger 1 40 C 40 Hex Socket Cap Screw 2 41 C 41 Adjusting Screw 10 42 C 42 Table Stop Bracket 1 43 C 43 Gib 1 46 C 46 Table Lock Plunger 4 48 C 48 Turret Scale JTM 1050 1 49 C 49 Saddle Knee Gib 1 50 C 50 1 Wiper 2 51 C 51 Pan Head Screw 18 52 C 52G Saddle 1 54 C 54 Knee Wiper Felt 1 55 C 55 Knee Column Gib 1 58 C 58 Knee...

Page 31: ... M10x35 2 103 C 103G Lead Screw Housing 1 104 C 82 1 Lead Screw Nut 1 105 TS 1503051 Hex Socket Cap Screw M6x20 3 108 C 38A Lock Bolt 2 109 C 109 Nut 3 8 2 110 C 110 Set Screw 2 111 C 111 Gib 1 112 C 112G Gib Holder L 1 113 C 113 Gib 1 114 C 114G Gib Holder R 1 115 TS 1505051 Hex Socket Cap Screw M10x35 8 118 C 118 Spider 1 120 C 120 Ram Pinion 1 123 C 123 Spring Washer 4 124 C 124G Turret 1 126 C...

Page 32: ...32 14 4 1 JTM 1050 Table Leadscrew Assembly Exploded View ...

Page 33: ... 6 Dial Holder 3 7 TS 1503031 Hex Socket Cap Screw M6x12 9 8 C 90 Bearing Stop 3 9 BB 6204ZZ Ball Bearing 6024ZZ 5 10 D 10 Bearing Bracket 2 11 D 11 Spring Pin 5x25 6 12 TS 1505031 Hex Socket Cap Screw 16 13 KEY3325 Key 3x3x25 3 14 D 14 Leadscrew 1 15 TS 1503061 Hex Socket Cap Screw 10 16 H 9 Washer 4 17 D 17 Feed Screw Nut 2 18 D 18 Feed Nut Bracket 1 20 D 20 Cross Bearing Bracket 1 21 D 21 Cross...

Page 34: ... 2 ALMP 04 Aluminum Pipe 13 5x450mm 1 3 A 8 Oil Regulation Distributor 1 4 A 4 Oil Regulation Distributor 1 5 A 5 Flexible Steel Tube 4x550 1 6 PH 4011 Elbow Joint 2 7 PI 401 Elbow Joint 6 8 PA 4 Thimble Nut 20 9 PB 4 Thimble 20 10 PG 004 Union 1 11 JTM4VS BUTW1458 Screw M6x14 4 12 TS 1502061 Hex Socket Cap Screw M5x25 4 13 PD 401 Straight Joint 1 14 A 14 Nylon Piece 4x700 1 ...

Page 35: ...35 15 0 Electrical Connections for JTM 1050 ...

Page 36: ...36 15 1 Electrical Schematic for Forward Reverse Switch JTM 1050 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...

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