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 6

4.0

  Specifications  

Table 1 

 

Model number 

JMD-40GH JMD-40GHPF JMD-45GH JMD-45GHPF 

Stock 

number 

351040 351041 351045 351046 

Motor and Electricals 

Motor type 

Totally-enclosed, fan-cooled, induction 

Horsepower 1.5 

Phase single 

Voltage 

115/230 (prewired 115V) 

Cycle 60 

Hz 

Listed FLA (full load amps) 

20 / 10 

Starting amps 

68A/34A

Running amps (no load) 

16.8A /8.4A

Start capacitor 

400MFD 125VAC 

Motor speed 

1720 RPM 

Motor cord 

AWM 600V 15AWG 

Power cord 

SJT 3x3.31mm

2

 12AWG 300V, 6 ft. 

Power plug installed 

20A (5-20P) 

LED work lamp 

12V, 6W; separate 115V power cord SJT 3x18AWG, 6 ft. 

Recommended circuit size 

1

 

20A / 15A 

Sound emission without load 

2

 70dB 

Capacities 

Spindle taper 

R8 

Spindle rotation 

Forward/Reverse 

Drilling capacity 

Mild steel 

1-1/4 in. (32mm) 

Cast iron 

1-1/2 in. (38mm) 

Face mill capacity 

Ø 4 in. (100mm) 

End mill capacity 

Ø 3/4 in. (20mm) 

Swing 

20-1/2 in. (520mm) 

19-11/16 in. (500mm) 

Max. distance spindle to table 

15-3/4 in. (400mm) 

18-1/8 in. (460mm) 

Spindle travel (manual) 

5 in. (130mm) 

Spindle travel (power feed) 

n/a 

4-1/4 in. (107mm) 

n/a 

4-1/4 in. (107mm) 

Number of spindle speeds 

Range of spindle speeds 

65, 130, 220, 480, 925, 1550 RPM 

Number 

of 

power 

feeds n/a 3 n/a 3 

Range of power feeds 

n/a 

0.005, 0.007, 

0.010 in.  

(0.12/0.18/0.2mm) 

n/a 

0.005, 0.007, 

0.010 in. 

(0.12/0.18/0.2mm)   

Head pivot around column 

360 deg. 

Head swivel 

90 deg. left, 30 deg. right 

Max. table travel (longitudinal) 

20-1/2 in. (520mm) 

Max. cross travel 

8-1/4 in. (210mm) 

Main materials 

Column Cast 

iron 

Table Cast 

iron 

Head Cast 

iron 

Dimensions 

Quill diameter 

3 in. (75mm) 

Column diameter 

4-1/2 in. (115mm) 

n/a (square design) 

Table working surface (LxW) 

32-1/4 x 9-1/2 in. (820 x 240mm) 

Number of T-slots 

T-slot size (WxD) 

5/8 x 1 in. (16 x 26mm) 

Base dimensions 
 

24-1/4 x 15-15/16 in. (615 x 405mm) 

26-11/16 x 15-15/16 in. (653 x 405mm) 

Summary of Contents for JMD-40GH

Page 1: ...ual Geared Head Mill Drill Machines Models JMD 40GH JMD 40GHPF JMD 45GH JMD 45GHPF JET 427 New Sanford Road LaVergne Tennessee 37086 Part No M 351040 Ph 800 274 6848 Edition 1 03 2017 www jettools com Copyright 2017 JET JMD 45GHPF JMD 40GH ...

Page 2: ...defects and in some cases cancer California Health and Safety Code Section 25249 5 et seq 11 Make certain the switch is in the OFF position before connecting the machine to the power supply 12 Make certain the machine is properly grounded 13 Make all machine adjustments or maintenance with the machine unplugged from the power source 14 Remove adjusting keys and wrenches Form a habit of checking to...

Page 3: ...red using either clamps or a vise to the drill press table It is unsafe to use your hands to hold any workpiece being drilled 35 Use proper extension cord Make sure your extension cord is in good condition When using an extension cord use one heavy enough to carry the current your product will draw An undersized cord will cause a drop in line voltage resulting in loss of power and overheating Sect...

Page 4: ...H 45GH series Mill Drills 15 11 0 Optional accessories 16 12 0 Replacement Parts 16 12 1 1 JMD 40GH 40GHPF Table Base and Column Assembly Exploded View 17 12 1 2 JMD 40GH 40GHPF Table Base and Column Assembly Parts List 18 12 2 1 JMD 40GH 45GH non powerfeed Gear Head Assembly Exploded View 20 12 2 2 JMD 40GH 45GH non powerfeed Gear Head Assembly Parts List 21 12 3 1 JMD 40GH 45GH non powerfeed Gea...

Page 5: ...supervisor for information on proper speed and feed rates for specific materials or type of cutter or drill suitable for a particular operation Whatever accepted methods or materials are used always make personal safety a priority 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 refer...

Page 6: ...mill capacity Ø 4 in 100mm End mill capacity Ø 3 4 in 20mm Swing 20 1 2 in 520mm 19 11 16 in 500mm Max distance spindle to table 15 3 4 in 400mm 18 1 8 in 460mm Spindle travel manual 5 in 130mm Spindle travel power feed n a 4 1 4 in 107mm n a 4 1 4 in 107mm Number of spindle speeds 6 Range of spindle speeds 65 130 220 480 925 1550 RPM Number of power feeds n a 3 n a 3 Range of power feeds n a 0 00...

Page 7: ...ational electrical codes 2 The specified values are emission levels and are not necessarily to be seen as safe operating levels As workplace conditions vary this information is intended to allow the user to make a better estimation of the hazards and risks involved only L length W width H height D depth n a not applicable The specifications in this manual were current at time of publication but be...

Page 8: ... machine first in case some parts are pre installed 3 Remove rust protectant from exposed surfaces with a clean rag and cleaner degreaser or kerosene Avoid getting solvents on rubber or plastic parts 4 Apply a light coat of oil to exposed metal surfaces to inhibit rust 5 4 Location Machine is heavy use appropriate lifting device and exercise caution when moving to final location Failure to comply ...

Page 9: ...ctric shock The conductor with insulation having an outer surface that is green with or without yellow stripes is the equipment grounding conductor If repair or replacement of the electric cord or plug is necessary do not connect the equipment grounding conductor to a live terminal Check with a qualified electrician or service personnel if the grounding instructions are not completely understood o...

Page 10: ...tments unless indicated otherwise 7 1 Removing and installing arbors 1 Disconnect machine from power source 2 Remove spindle cap to expose drawbar Figure 7 1 3 Loosen drawbar with provided socket wrench counterclockwise 2 or 3 full turns 4 Tap drawbar head with rubber mallet to dislodge arbor Do not loosen drawbar more than 3 or 4 turns before hitting with rubber mallet Damage to drawbar threads m...

Page 11: ...stment screw XG Figure 7 3 is found on right side of saddle beneath table The Y axis gib adjustment screw YG Figure 7 3 is found to the right on the table face 2 Turn each screw slightly clockwise to tighten Turn table handwheels to check tension slight drag should be felt during movement 3 Re adjust as required 7 4 2 Column gib JMD 45 series only A Z axis gib adjustment screw is located atop the ...

Page 12: ...dle by hand to ensure proper gear engagement Turn switch to OFF before changing speed Failure to comply may damage gear mechanism RPM Levers 65 1 130 2 220 3 480 1 925 2 1550 3 Table 3 speed selection Downfeed dial H Powerfeed models only Select among three feed rates Must be set to zero when using fine feed handwheel Powerfeed disengagement knob J Powerfeed models only Tighten to prevent powerfee...

Page 13: ...d at any time push handle B toward head 8 5 Basic milling procedure The Mill Drill is provided with a face mill cutter with tungsten carbide inserts Install cutter onto mill arbor and secure with socket cap screw and washer N and O Figure 5 1 Install arbor into spindle using procedure in sect 7 1 For best results all milling operations should be performed with cutter raised as close to head assemb...

Page 14: ...ded especially if head is difficult to raise Column L7 JMD 40 Mobil DTE Oil Heavy Medium As needed Oil cups L8 JMD 45 Mobil DTE Oil Heavy Medium Periodically check sight glass L88 top off as needed Oil fill hole for gearbox L9 all Mobil DTE Oil Heavy Medium Periodically check sight glass top off to half way mark Completely drain and refill once a year drain plug beneath head Cross Longitudinal lea...

Page 15: ...oaded Reduce feed rate Dull drill bit or mill cutter Keep tools sharp Short circuit in motor or loose connections Inspect connections on motor for loose or shorted terminals or worn insulation Low voltage Correct the low voltage conditions Incorrect fuses or circuit breakers in power line Install correct fuses or circuit breakers Motor fault Repair or replace motor Spindle turns but with loss of p...

Page 16: ...ot Center punch or center drill workpiece Improper geometry of cutting edges Regrind drill bit or replace Spindle or quill loose or play in bearings Inspect and adjust Excessive wobble runout in drill Improper chucking of bit Properly reinsert drill bit in chuck Drill bent Replace Play in spindle bearings Inspect and adjust Table 5 Warning Some corrections may require a qualified electrician 11 0 ...

Page 17: ...17 12 1 1 JMD 40GH 40GHPF Table Base and Column Assembly Exploded View ...

Page 18: ...lutch 1 616 6 JMD18 366 Spring Pin 5x38L mm 1 617 JMD18N 617 Link Screw 2 618 JMD18 121 Indicator Plate 2 619 JMD18 204 2 Rivet 2mm 4 620 JMD18 216G Center Base 31L 1 621 JMD18 219 Anti Dust Plate 1 622 JMD18 217 Anti Dust Plate Assembly 1 623 JMD18 227 Gib Strip 31L 1 624 JMD18 207 Gib Strip 31L 1 625 JMD18 214 Fixed Block 1 626 TS 0051011 Hex Cap Screw 5 16 18x1 2 4 627 JMD18 212 Gib Strip Bolt ...

Page 19: ...s of Accessory Package JMD18 020 Cutter Arbor 1 JMD18 022 Handle 4 JMD18 039 Handle Rod 3 JMD18 040 Knob 3 JMD18 050 Lock Handle 1 561704 Drill Chuck w Chuck Key JT6 1 2 13mm 1 JMD18 086 Face Mill Cutter Assembly 3 74mm 1 JMD18 021 Chuck Arbor Installed 1 365534 Angle Vise 1 JMD18 058 Handle Crank 1 JMD18 201 Wheel 3 TS 152704 Hex Wrench 3mm 1 TS 152705 Hex Wrench 4mm 1 TS 152706 Hex Wrench 5mm 1 ...

Page 20: ...20 12 2 1 JMD 40GH 45GH non powerfeed Gear Head Assembly Exploded View ...

Page 21: ...her M6 2 50 9 6286490 Hex Socket Head Cap Screw M6x15L 2 52 TS 0071141 Hex Cap Screw 5 8 11 x 5 1 2 2 53 GHD20 53 Oil Plug 1 54 GHD20 54 Threaded Rod 1 55 JMD40GH 55 Worm Shaft 1 56 JMD40GH 56 O Ring 1 57 1 JMD40GH 57 1 Bracket 1 57 2 JMD40GH 57 2 Worm Gear 1 57 3 F006042 C Ring External S14 2 57 4 JMD40GH 57 4 Shaft 1 57 5 JMD40GH 57 5 Ball Oiler 1 58 TS 0207041 Hex Socket Head Cap Screw 1 4 20x3...

Page 22: ...olt w Knob 1 112 TS 0209051 Hex Socket Head Cap Screw 3 8 16 x 1 3 115 61115 Compression Spring 1 119 6126 1 Collar threaded 1 120 6125 1 Collar Nut 1 121 6125 2 Collar 1 124 JMD40GH 124 Lamp Assembly 110V 1 125 TS 2284352 Phillips Pan Head Machine Screw M4 0 7x35L 2 126 GHD20 126 Lamp Base 1 127 TS 1503031 Hex Socket Head Cap Screw M6 1 0 x 12L 2 130 TS 1501021 Hex Socket Head Cap Screw M4 0 7 x ...

Page 23: ...309 Taper Pin M6xØ7 1 48 1 315 TS 0680011 Flat Washer 3 16 2 316 GHD20 374 Flat Washer 1 2 x7 8 x2 1 330 2401085 Dust Plate 1 339 JMD40GH 339 For Rev Switch 1 340 GHD20 340 Screw 2 341 JMD40GH 341 Motor Cord not shown 14AWGx5C 300V 1 342 JMD40GH 342 Power Cord not shown 3x3 31mm 12AWG 5 20P 1 LM000286 Warning Label Mill Drills not shown 1 ...

Page 24: ...24 12 3 1 JMD 40GH 45GH non powerfeed Gears Assembly Exploded View ...

Page 25: ...r Shaft Assembly 15 41T 1 28 GHD20 28 Oil Seal 1 29 2401029N Idle Gear 42 16T 1 30 GHD20 30 Steel Ball w Spring 5 16 3 31 2401031 Pinion Shaft RE T2401031BS 1 T2401031BS Pinion Shaft w Gear Assembly includes 29 31 33 34 37 52 1 33 GHD20 33 C Ring S18 1 34 2401055N Idle Gear 44T 1 37 2401037N Idle Gear 2 piece 35 28T 1 41 BB 6002ZZ Ball Bearing 6002ZZ 5 42 GHD20 42 C Ring Internal R62 1 43 2401043 ...

Page 26: ...26 12 4 1 JMD 40GHPF 45GHPF powerfeed Gear Head Assembly Exploded View ...

Page 27: ...Bracket 1 56 2 JMD40GH 57 2 Worm Gear 1 56 3 F006042 C Ring External S14 2 56 4 JMD40GH 57 4 Shaft 1 56 5 JMD40GH 57 5 Ball Oiler 1 57 TS 0207041 Hex Socket Head Cap Screw 1 4 20 x 3 4 L 4 58 1 JMD40GH 59 1 Crank 1 58 2 TS 0271052 Set Screw 3 8 16 x 1 2 L 1 60A JMD18 201A Handle Assembly 60 1 thru 60 3 1 60 1 JMD18 201 1 Hex Socket Head Cap Screw 3 8 x 16UNC 1 60 2 JMD18 201 2 Handle 1 60 3 TS 056...

Page 28: ...001G Head Body Cover 1 202 2450002G Head Body Casting 1 218 2450008 Worm Gear 1 219 TS 1523011 Set Screw M6 x 6 4 220 F006033 C Ring Internal R35 4 227 2450014 Cover 1 233 GHD20PF 233 Screw M4 x 25 1 235 2450020 Release Block 1 236 2450021 Small Pinion Shaft 1 237 2450022A Cylindrical Key M8x12 2 238 2450023 Worm Gear 1 239 2450024 Clutch Key Base 1 241 2450026 Clutch Key 2 242 2450027 Spring Pin ...

Page 29: ...354 2450082A Speed Change Lever 1 355 2450083A Stop 1 356 2450084A Spring Leaf 1 357 GHD20PF 357 Pin Ø3x10L mm 2 358 2450089A Fixed Bushing 1 359 2450072A Gear 1 360 2450071A Gear 1 361 2450070A Gear 1 362 2450074A Washer 4 363 2450073A Shaft 1 364 2450078A Transmission Worm 1 365 2450075A Gear 1 366 2450076A Gear 1 367 2450077A Gear 1 368 2450085A Spacer Ring 1 369 2450079 Speed Lever 1 370 GHD20...

Page 30: ...30 12 5 1 JMD 40GHPF 45GHPF powerfeed Gears Assembly Exploded View ...

Page 31: ...2piece 35 28T 1 26 GHD20 50 Oil Seal 1 27 GHD20 42 C Ring Internal R62 1 28 BB 6007ZZ Ball Bearing 6007ZZ 1 29 2401043 Pinion Shaft RE T2401043BS 1 T2401043BS Pinion Shaft W Gear Assembly includes 29 34 1 34 2401049N Idle Gear RE T2401043BS 15 31 23T 1 36 GHD20 30 Steel Ball W Spring 5 16 3 203 2450003 Idle Gear 33T 1 205 2450004 Transmission Worm 1 206 2450005 Idle Gear 33T 1 207 GHD20PF 207 Doub...

Page 32: ...32 12 6 1 JMD 45GH 45GHPF Table and Base Assembly Exploded View ...

Page 33: ...1 Graduated Dial 1 616 5 JMD18 202 Dial Clutch 1 616 6 JMD18 366 Spring Pin 5x38L mm 1 617 JMD18N 617 Link Screw 2 618 JMD18 121 Indicator Plate 2 619 JMD18 204 2 Rivet 2mm 4 620 JMD18 216G Center Base 31L 1 621 JMD18 219 Anti Dust Plate 1 622 JMD18 217 Anti Dust Plate Assembly 1 623 JMD18 227 Gib Strip 31L 1 624 JMD18 207 Gib Strip 31L 1 625 JMD18 214 Fixed Block 1 626 TS 0051011 Hex Cap Screw 5 ...

Page 34: ...1 JMD18 086 Face Mill Cutter Assembly 3 74mm 1 JMD18 086A Cutter Insert Installed 4 JMD18 021 Chuck Arbor Installed 1 365534 Angle Vise 1 JMD18 058 Handle Crank 1 JMD18 201 Wheel 3 TS 152704 Hex Wrench 3mm 1 TS 152705 Hex Wrench 4mm 1 TS 152706 Hex Wrench 5mm 1 TS 0209051 Hex Socket Cap Screw 3 8 16x1 1 TS 0680041 Flat Washer 3 8 1 365534 01 Hardware Package 2 Bolts 2 Nuts 2 Washers 1 ...

Page 35: ...35 12 7 1 JMD 45GH 45GHPF Square Column Assembly Exploded View ...

Page 36: ...illips Pan Hd Machine Screw BO M5x10L 12 524 JMD45GH 524 Bracket 1 525 BB 6003ZZ Ball Bearing 6003ZZ 2 526 F006045 C Retainer Ring External S17 1 527 JMD45GH 527 Gear Shaft 1 528 JMD45GH 528 Key Double Rd Head 5x5x28L mm 1 529 JMD45GH 529 Rack 1 530 JMD45GH 530 Block 1 531 JMD45GH 531 Bushing 1 532 F005671 Hex Socket Head Cap Screw M12x85L 4 533 F006033 C Retainer Ring Internal R35 1 534 JMD45GH 5...

Page 37: ...37 13 0 Electrical Connections JMD 40GH 45GH series 13 1 Wiring Diagram 115V ...

Page 38: ...38 13 2 Wiring Diagram 230V ...

Page 39: ...itional 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 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 App...

Page 40: ...40 427 New Sanford Road LaVergne Tennessee 37086 Phone 800 274 6848 www jettools com ...

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