Jet GHD-20, Operator'S Manual

Page 1: ...RATOR S MANUAL GHD 20 20T 20PF 20PFT Gear Head Drill Tap GHD 20PFT shown JET EQUIPMENT TOOLS INC A WMHCompany www jettools com P O 60X 1348 Auburn WA98071 1349 e mail jet jettools com 203 351 6000 Fax253 939 8001 M 354026 4199 ...

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Page 3: ...ance JET LIMITS ALL IMPLIED WARRANTIES TO THE PERIOD SPECIFIED ABOVE FROM THE DATE THE PRODUCT WAS PURCHASEDAT RETAIL EXCEPT AS STATED HEREIN ANY IMPLIED WARRANTIES OR MECHANTABIUTY AND FITNESS ARE EXCLUDED SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG THE IMPLIED WARRANTY LASTS SO THE ABOVE LIMITATION MAY NOT APPLY TO YOU JET SHALL IN NO EVENT BE LIABLE FOR DEATH INJURIES TO PERSONS OR PROPERY...

Page 4: ...ols in damp or wet locations or expose them to rain Keep work area well lighted KEEP CHILDREN AWAY All visitors should be kept a safe distance from the work area MAKE THE WORKSHOP KIDPROOF with padlocks master swatches or by removing starter keys DON T FORCE THE MACHINE Itwill do the job better and safer at the rate for which it was designed USE THE RIGHT MACHINE Don t force a machine or attachmen...

Page 5: ...CT THE MACHINEFROM THE POWER SOURCE BEFORE SERVICING REDUCE THE RISK OF UNINTENTIONALSTARTING Make sure the switch is in the off position before plugging in NEVER STAND ON A MACHINE Serious injury could occur if the machine tipped or if the drill bit is unintentionally contacted CHECK DAMAGED PARTS Before further use of the machine a guard or other part that is damaged should be carefully checked ...

Page 6: ...the Head Height 6 Adjusting the Rack Assembly 6 7 Controls 7 Control Panel for GHD 20T 20PFT 8 ElectricalConnections 9 Installing Chuck not included 9 Removing the Arbor 9 Adjusting Depth Stop for Drilling GHD 20 10 Adjusting Depth Stop for Drilling and Tapping GHD 20T 10 Adjusting Depth Stop for Drilling GHD 20PF 10 Adjusting Depth Stop for Drilling GHD 20PFT 10 Adjusting Depth Stop for Tapping G...

Page 7: ...th the list found in this manual Report any shortages or damage to your JET distributor 3 Clean all rust protected surfaces with kerosene or a light solvent Do not use lacquer thinner paint thinner or gasoline These will damage plastic components and painted surfaces Assembly 1 Slide crank A Fig 1 onto the table raising assembly shaft 2 Tighten the set screw 8 Fig 1 to hold the crank in place 3 In...

Page 8: ...aising the table The head is at the correct height when the top of the head is just belowthe columncap B Fig 5 5 Tighten the two nuts A Fig 5 on the head assembly firmly 6 To lowerthe head reverse the steps above Do not loosen the head assembly bolts without supporting the head This may cause the head to slip on the column and may cause damage to the machine or personal injury Adjusting the Rack A...

Page 9: ...nlock the quill Speed Selectors 0 Fig 8 located on the top front of the head assembly Used with low offlhigh switch and the speed chart on the front of the head assembly to set the drill to a specific speed Caution Change speeds only when the machine is stopped Depth Stop GHD 20 20T E Fig 8 located on the front bottom of the head assembly When set the quill will only advance to a certain depth Dep...

Page 10: ... power downfeed or manual feeding operations For tapping turn switch 8 Fig 9A to tapping position press down the handle The quill functions when upper limit switch is released It then reverses automatically after hitting lower limit switch and will not stop until it hits the upper limit switch Emergency Switch C Fig 9A Press this switch to stop all operations Power Light D Fig 9A Indicates power i...

Page 11: ...alling a Drill Chuck not included 1 Disconnect the machine from the power source 2 Clean the arbor and the inside of the chuck 3 Push the chuck onto the arbor 4 Place a piece of scrap wood on the table and raise the table to just below the chuck 5 Using the down feed handles lower the chuck against the piece of scrap wood firmly to seat the chuck Removing the Arbor 1 Unplug the machine from the po...

Page 12: ...Fig 12 1 loosen the depth stop lock handle A Fig 12 3 When tapping switch is off The limit switches are off and do not effect spindle rotation Adjusting the Depth Stop for Drilling GHD 20PF 2 Manually advance the quill to the desired depth with one hand 3 With the other hand turn the depth stop scale B Fig 12 counter clockwise to zero 4 Tighten the depth stop lock handle A Fig 12 The depth stop wi...

Page 13: ... levers A Fig 13 to the desired speed as indicated by the speed chart Turning the spindle by hand will help the gear teeth mesh Return Spring Adjustment The return spring is adjusted at the factory and should not need further adjustment If adjustment is necessary 1 Unplug the machine from the power source 2 Loosen lock knob A Fig 14 while holding the quill spring cover Do not allow the cover to tu...

Page 14: ...hree months 3 Spindle Drive Use Mobilith AW2 every three months 4 Quill Pinion Gear Use Mobilith AW2 Every three months 5 Quill Column Surface Use Mobil DTE Oil Heavy Medium every three months 6 Table Pinion Gear Use Mobilith AW2 every three months 7 Quill Return Spring MobiIDTE Oil Heavy Medium every month Do not remove cover Changing the Gear Box Lubricant 1 Disconnect the machine from the power...

Page 15: ...he drain plug 9 Replace the drain plug after the lubricant has finished draining 10 Pour one 1 gallon of new lubricant Mobil DTE Oil Heavy Medium through the filler hole Caution Use of any other type of lubricant other than that specified may cause damage to the drill press 11 Replace the filler plug Fig 18 13 ...

Page 16: ...r tool heats up or burns Feed rate too slow Increase feed enough to clear work chips Rotation of drill incorrect Reverse motor rotation Failure to use cutting oil or Use cutting oil or coolant on coolant on steel steel No drill spot Center punch or center drill workpiece Cutting lips on drill off center Regrind drill Drill leads off Quill loose in head Tighten quill Bearing play Reseat or replace ...

Page 17: ...3 1 86 6117 Spindle Shaft 1 87 BB 30207 Taper Roller Bearing 1 88 6119 Bearing Cap 1 89 6127 Screw Key 1 90 TS 0561031 Hex Nut 3 8 1 91 2401066 Gear lever Bracket 2 92 2401067 Gear lever left 1 93 2401068 Gear lever right 1 94 GHD20PF 94 Screw 1 4 x 1 2 1 95 2401070 lever Shaft right 1 96 2401071 lever Shaft left 1 97 GHD20PF 97 C Ring 2 98 GHD20PF 98 Oil Sight Glass 1 99 GHD20PF 99 Screw 3 16 x 3...

Page 18: ...et Screw 1 254 2450037 Handle Body 1 255 2450038 Handle Rod 2 256 GHD20PF 256 Knob 2 257 2450039 Handle Rod Pin 2 258 2450040 Washer 1 259 TS 1504021 HexSocketCapScrew M8x 12 1 265 GHD20PF 265 Key 5 x 5 x 32 1 266 2450045 Cover 1 268 TS 1502031 Hex Socket Cap Screw M5 x 12 2 269 GHD20PF 269 Key 4 x 4 x 10 1 270 24500470 HandWhee 1 271 GHD20PF 271 Washer 1 272 TS 1523031 Hex Socket Cap Screw M6 x 1...

Page 19: ...Shaft 1 364 245OO78A Transmission Worm 1 365 2450075A Bearing Bushing 1 366 245OO76A Bearing Bushing 1 367 2450077 A BearingBushing 1 3 2450085A Spacer Ring 1 369 2450079 Speed lever 1 370 GHD20PF 370 Speed Scale 1 371 290089 Spring 1 372 GHD20PF 372 Steel Ball 1 373 2450087A Clutch Bushing 1 374 GHD20 374 Flat Washer 1 2x7 8x2 1 375 24501 00 Washer 1 376 GHD20PF 376 E Retainer Ring E5 2 377 GHD20...

Page 20: ...Head Assembly for GHD 20PF 20PFT 49 00 J 79 3V 52 1 249 106 113 238 109 86 88 ...

Page 21: ...Rod 1 62 6142 2 Head Wheel 1 63 TS 0561 071 Hex Nut 5 8 3 64 TS 0680081 Washer 2 65 TS 0071041 Hex Screw 5 8 x 2 1 4 3 66 2401066 Gear Lever BrackeL 2 67 2401067 Gear Lever left 1 68 2401068 Gear Lever right 1 69 GHD20 69 Screw 1 4 x 1 2 2 70 2401 070 Lever Shaft right 1 71 2401 071 Lever Shaft left 1 72 2401 072 Name Plate 1 73 GHD20 73 Screw 3 16 x 3 8 8 74 TS 0267021 Set Screw 1 4 x 1 4 8 75 24...

Page 22: ...561011 Hex Nut 1 4 1 136 6195 Spring Pin 1 137 GHD20 137 Star Washer 1 139 GHD20 139 Screw 3 16 x 3 4 3 140 GHD20 140 Spring Pin 1 141 TS 0561031 Hex NuL 3 8 1 142 GHD20 142 Key 7 x 7 x 20 1 143 TS 0208021 Hex Socket Cap Screw 5 16 x 1 2 2 145 TS 0270021 Set Screw 5 16 X 5 16 1 146 TS 0267021 Set Screw 1 4 x 1 4 1 147 GHD20 147 Hex Socket Cap Screw 3 16 x 7 16 2 148 GHD20 148 C Ring 1 150 TS 0561 ...

Page 23: ...N GHD 20 20T Head Assembly 89 24 117 19 0 73 76 1 249 85 187 1 I 187 103 1if 92 104 140 139 1 54 u 11 ...

Page 24: ...3 2401055 IdleGear 1 24 2401037 IdleGear 2 piece 1 26 GHD20 50 Oil Seal 1 27 GHD20 42 C Ring R62 1 28 BB 6007ZZ Ball Bearing 1 29 2401 043 PinionShaft 1 30 GHD20 48 Key 5 x 5 x 80 1 34 2401 049 Idle Gear 1 36 GHD20 30 Steel Ball wI Spring 5 16 3 203 2450003 Idle Gear 1 205 2450004 Transmission Worm 1 206 2450005 Idle Gear 1 207 GHD20PF 207 Key 5 x 5 x 16 1 208 GHD20PF 208 Set Screw M6 x 6 2 209 GH...

Page 25: ...3 20 11 11 36 12 612 17 N c u 303 15 1 12 30 i E C I N 0 0 T1 N 0 0 T1 i I I fA I 3 C ...

Page 26: ...020 Pinion Shaft 1 21 2401021 Idle Gear 1 23 GHD20 23 C Ring 1 28 GHD20 28 Oil Sea 1 29 2401031 Pinion Shaft 1 30 GHD20 30 Spring and Ball 3 31 2401031 Pinion Shaft 1 32 GHD20 32 Key 6 x 6 x 50 1 32 1 GHD20 32 1 Key 6 x 6 x 75 1 33 GHD20 33 C Ring 1 34 2401055 Idle Gear 1 37 2401037 Idle Gear 2 piece 1 38 GHD20 38 Key 6 x 6 x 10 1 41 BB 6002ZZ Ball Bearing 5 42 GHD20 42 C Ring 1 43 2401043 Pinion ...

Page 27: ...N I 32 32 1 21 48 30 I _ j J C I N e N Q I j CD I tn CD 3 c o ...

Page 28: ...ck Bolt 1 224 62224 1 Lock Block 1 225 TS 0680081 Washer 5 8 1 226 TS 0561 031 Nut 5 8 1 227 62227 Lock Handle 1 228 TS 0561 031 Nut 3 8 1 229 TS 0680041 Washer 3 8 1 231 BB 51103 Thrust Bearing 1 235 TS 0561 031 Nut 3 8 1 237 TS 0267041 Set Screw 1 4 x 3 8 2 238 62238 U Bolt 1 239 62239 Block 1 240 TS 0561 051 Nut 1 2 2 242 62242 Bracket 1 243 62243 Worm Gear 1 244 62244 Shaft 1 258 6158 Handle 1...

Page 29: ...GHD 20 20T 20PF 20PFT Base TableandColumnAssembly f1 271 218 219 203 243 259 224 227 222 216 242 244 213 221 212 202 237 268 201 238 239 27 ...

Page 30: ...6 x3 8 4 403 GHD20PFT 403 1 Limit Support top GHD 20PFT 1 GHD20PFT 403 2 Limit Support top GHD 20T 1 404 GHD20PFT 404 Round Head Screw GHD 20TI20PFT 3 16 x5 8 4 405 ET 1610 Limit Block GHD 20T 20PFT 2 406 GHD20PFT 406 Round Head Screw GHD 20T 20PFT M3x15 4 407 GHD20PFT 407 1 Limit Support bottom GHD 20PFT 1 GHD20PFT 407 2 Limit Support bottom GHD 20T 1 408 GHD20 339 High Low Switch GHD 20 20PF 1 4...

Page 31: ...Control Box Assembly N 404 403 405 406 406 GHD 20T 20PFT only 408 GHD 20 20PF only ...

Page 32: ...R3 R4 R5 R6 R7 20PFT 6 RSA 24B Control Relay include R1 R2 R3 R4 R5 R6 20T 6 8 ET 2003A Overload 20PFT 1 8 ET 2003B Overload 20T 1 9 DI 106 Bridge 1 10 33UF 35V Capacitor 1 11 ET 111O F Contactor 1 12 ET 111O R Contactor 1 13 GN 20 High Low Cam Switch 1 14 ET 1414 Power Light 1 15 ET 2502A Wiring Board CompletelyAssembly inc 7 9 10 16 20PFT 1 15 ET 25028 Wiring Board Completely Assembly inc 7 9 10...

Page 33: ...nel Components GHD 20PFT 6 SAl 5 SB3 3 SBl 31 9 10 1 High off Low I 4J OutPut SB2 I 10 I 2 2 FUSE 1 G 8 2 7 Upper 4 LIGHT 11 I 1 14 3 3 6 Lower I KM2 I 7 I I I 15 8 12 r Com Switch I 13 1 I I Power I FR Irput I KMl ...

Page 34: ...nts GHD 20T High off Low Out Put Upper Lower Power I 16 rr R1 n R4 1 rc0gJGI m I I f _ J u I I D r G I R2 R3 I G I I T I I S I I R I I iDOi L T J 7 8 FR 32 6 5 3 15 4 0 24V 0 Trasfa1rer 14 13 SAl SB3 SBl 1 SB2 LIGHT Can Switch ...

Page 35: ...Electrical Schematic GHD 20 20PFonly H l I I I I r H 1 RED I I 2 WHITE I I 1 1 3 BLACK R s T ffi RED WHITE BLACK CD C BLUE YELLOW BROWN G CID MOTOR 2P 4P ...

Page 36: ... en Ci Co CJ Q W KM2 8 Overbad s FUSE 1 G GrOllld C 2 5 14 CAM Switch 4 7 12 MOTOR LIGHT DC CONTROL S82 I m 3 0v 0v AC OUTPUT C START I R4 R2 I R I R6 I I SA1 7 IDRILLING I I I SA1 8 ITAPPING I I I I 583 9 IJOG I SQI 5 i LOWER R6 I I SQ2 6 R7 I UPPER L ...

Page 37: ...1 Y w M SWitch 4 7 2 12 5 14 1 6 13 Upper Lnit Switch R1 9 Lower Unit Switch R1 DC Cootrol Wiring t jOTOR Liglt 3 R J Switch tch tch GrW d EmIrgencySicp Lign CJ1d Switch 24V FR 1 r 1 1 SA1 AC220 rTT1 YYY 15 8 7 9 5 5 1 12131GV fs R Y vsrl 0 e G u l2JcJ rn V W G oG oT S DC R ...

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