Jet Tools JTM-4VS manual

Opera ting Instructions and Parts M anual Variab le Sp eed Turr et Mill Model J TM-4VS Shown with opt i on al acce ss ori es X-Ax is Ta ble Powerf eed an d D RO JET 427 New Sanf or d Road LaVergne, Tennessee 37086 Part No . M-690182 Ph.: 800-274-684 Revi s ion H2 06/ 2014 ww w .jetto o ls.c o m Copyri ght © 2014 JET This .pdf document is bookmarke[...]

2 Warrant y and Service JET ® war r a n ts ever y pr o duc t it sel l s aga i nst m an uf a ct u r er s ’ defec t s. I f o ne of ou r t ool s n eeds ser v ic e o r r ep a ir , pl ea se contact Te chni cal Se r vice by calling 1-800-2 74-6846, 8A M t o 5P M CS T, Monday through F riday. W arranty Pe riod The ge neral warranty l as ts for the t im[...]

3 Ta ble o f C onte nt s Secti on Page W a rrant y and Servic e ............................................................................................................................... ....... 2  Warn ing s ...................................................................................................................... ..............[...]

4 Bas e Assembly ............................................................................................................................... ........... 3 3  Par ts L ist f o r Bas e As sembly .................................................................................................. ................... 3 4  Lead Scr ew Assem bl y [...]

5 17. Check dam aged part s. B ef or e f urther use of the m achine, a guard or other par t that i s damaged should b e caref ully c hecked to det er mi ne that it w il l operate properly and perf or m it s i ntended f uncti on. Check for ali gnm ent of m oving part s, bi nding of mov ing part s, breakage of par ts, m ount i ng and any other condi [...]

6 Introduct ion Thi s manual i s pro v i ded by JET, c o v ering t he s af e operat ion and m ai n t enance procedure s f or a JET M odel JT M-4VS Tur ret Milli ng Machi ne. This m anual contai ns i nstructi ons on instal l ation, safety pr ecautions, gener al operat ing procedur es, m aintenance i nstruct ions and p art s br eakdown. Thi s m achin[...]

7 Unpacking Open shi pping cont ainer and c heck f or shippi ng dam age. Report any damage i mm ediately to your dist ribut or and shippi ng agent. Do not discard any shippi ng mat erial until the T urret Mill is ass em bl ed and runni ng properl y . Com pare the cont ents of your cont ainer wit h the f o llowing par ts li st to mak e s ur e all pa[...]

8 Set-up an d Installat ion Pr eparin g the M illing M achi ne for Ser vice 1. Rem o v e any cr ating which m ay be cov ering t he m ac h i ne on the pallet . 2. Rem o v e accessory it e m s f ro m the pal l e t or m ach i ne tabl e. Co m pare these it e m s with t he list on the pr ev i ous page. 3. Check t he ti ghtness of the l ifting ri ng on t[...]

9 JTM-4VS D imens ions Figur e 2: Installation Diagr am[...]

10 JTM-4VS Overview and T erminolog y Figur e 3: O verview[...]

11 Electri ca l Connections All el ectrical co nn ections mu st be m ade by a qualif ied e lec tricia n! Fa ilure to comp ly may cause serious inju ry! Gene ral E lect ric al Ca uti ons Thi s m achi ne m ust be grounded i n accordanc e with the Nat ional E lectric al Code and l oca l c odes and ordi nances. Thi s work sh ould be done by a qualif ie[...]

12 Figur e 6 Vari a ble Speed Cont ro l Cha nge spe e d only while the spin dle is t urn in g. The v ari-speed hand w heel (A, Figure 7) is used to cont rol t he s pi ndl e s pee d. T he speeds f or hi gh and low speed ranges are di splayed on t he panel on the fr ont o f the mill head (B, Fi gure 7). All s peed change s m us t be m ade whil e t he[...]

13 Spindle Br ake The spi ndle brake l ever is l ocated on the upper left side of the mil l head (Fi gure 8). P u l l lev er dow nward to appl y the br ake. T he s pi ndle br ake lev er is used only aft er t he m otor sw i tc h has bee n set t o OF F . T he spindl e w i ll not stop w it h the motor r unni ng. Figur e 8 High -Neutr al-Low Sh ift Lev[...]

14 Feed Trip Cam Lev er The Feed Trip Cam Lever ( A , Fi gure 12) is located on the l e ft si de o f t he head behi nd the M anual F ine Feed Handwheel (B, F igure 12) . I t engages the ov erload cl utch on the pini on s haf t when pos i ti oned to the l e f t. The Feed Trip Cam Lever stay s engaged unti l Quill Stop (C, F igure 15) c om es i n con[...]

15 Depth S cale and St op Ref erring to Figur e 15: The Dept h Scale and Stop are used i n drill i ng operat ions to set the dept h o f the drill ed hole. T he depth scal e is loc ated on the f ront o f t he mi ll head. The scal e consists of a Microm eter Adjust ing Nut (A ) , Lock N ut (B), Q uill Stop (C), Quill St op Sc rew (D), and Scale (E). [...]

16 Draw B ar Oper ation - Ch anging Tooling 1. Using t he w r ench pr o v i ded with t he m achine, loosen t he draw bar t w o or three t urns (t urn count ercloc kw i se) using the dr aw bar hex (F i gure 18). Figur e 18 2. Tap t he top of the dr aw bar wi th a so f t-f aced hamm er to l oosen the c oll et f rom t he taper. 3. Rem ove t he t oo l [...]

17 4. Bef ore applying f inal t orque, check t o m ake sure the mi ll head i s perpendi cular to the workt abl e. 5. S et up a dial i nd i cat or i n a collet and s ec ure using t he dr aw bar (ref er to Figure 22) . 6. Put t he spindle drive in neut ral. 7. Set the di a l i ndicator pl unger on the workt able. Zer o t he i ndicator . 8. Rotate t h[...]

18 Posi tion ing th e Ram Po siti onin g th e Ram Fo re and Aft 1. Loosen t he tw o bol ts (A, Figure 23) that lock the ram to its w ay s . Figur e 23 2. Tur n t he lev er (B, F igure 23) t o m ov e the r am on its w ay s . 3. W hen the desired positi on is reached, lock t he bolt s (A, Figure 23) secur el y. Po siti onin g th e Ram on it s Tu rr e[...]

19 Power Feed Trip Lever Mech anism Ref er to Figur e 25. The power f eed tr ip lever mechani s m will need to be adjust ed if worn or whenev er any t rip l e v er m ec han i sm component s are repl aced. 1. Loosen t he f eed trip adjusti ng screw l oc k nut . 2. Loos en the adju s ti ng s c rew unti l it i s loose in t he lev er and no longer cont[...]

20 4. Ti ghten the two nut locki ng scr ews. 5. Using t he l ongit udinal table cr ank , m ov e t he tabl e to the mi dd le position. 6. Set up a di al i ndicator t o check l ongit ud i nal backl ash. Gentl y move t he c rank back and f or th whil e w at ching t he dial indi cator. T he backl as h should be bet ween 0. 003 inch and 0. 005 i nch. If[...]

21 M a intenance Befo re any in tervention on th e mac h ine, di sco nnect i t fro m t h e electri cal su ppl y by pulli ng o ut the pl ug or sw itch ing off t he m ain s witc h! Fail ure t o com ply may ca use s er ious injur y. Lubr ication The m illi ng m achi ne i s equipped w i th a “on e-shot ” lubr icati on sys tem . T he s ystem lubri c[...]

22 Replacemen t of Driv e Motor Ref er to Figure 30 and Head A ssembly i n the Parts secti on. Figur e 30 1. Oper at e s pi ndl e a t it s highest speed. Disco nnect elect rical po wer to th e machi n e b efore perfo rming any maintenan ce. 2. Di sconnect el ectri cal power. Rem ove j unction box co v er and disconnect w i ri ng. Tag wires to ident[...]

23 Replacemen t of Var i-Spee d Belt Ref er to Fi gures 31 and 32, and Head Ass embly in the Parts sect i on. Disco nnect elect rical po wer to th e machi n e b efore perfo rming any maintenan ce. 1. Rem ove driv e mot or (re f er t o the Replacement of Drive M ot or s ect i on). 2. Rem ove Quill T op Cover by removing t hree cap scre ws (F i gure [...]

24 Replacemen t of Quill F eed Clock S prin g Re f er to the Spindle Assem bly in the Parts secti on. Disco nnect elect rical po wer to th e machi n e b efore perfo rming any maintenan ce. 1. Rem ove t he coar s e f eed handl e. 2. Rem ov e the scre w, hub, and key f rom t he c oar se f eed sha f t (ref . 172, 175, and 171). 3. Rem o v e six screws[...]

25 Head A ssembly[...]

26 Par t s List for Hea d A ssembly Ind ex No. Part No. Descrip t i on Siz e Qty ................. JTM4 VS-H A ............ H ead Assem bl y w / Motor ................................... ............................................... 1 1 ............... VS- 001 .................... U pper Housing ...................................................[...]

27 Ind ex No. Part No. Descrip t i on Siz e Qty 54 ............. VS- 054 .................... Brake Lock B l ock ............................................... ........................................ ....... 1 55 ............. TS- 1503061 ............ He x Soc ke t Ca p Sc re w ...................................... M 6 x 25 .....................[...]

28 Ind ex No. Part No. Descrip t i on Siz e Qty 11 4 ........... JTM1 - 001VS ........... Draw Bar ........................................................... ............................................. .. 1 11 5 ........... JTM4 VS- A 002B ...... D raw Ba r W as her .............................................. .................................[...]

29 Spindle A ssembly[...]

30 Par ts List for Spin dle A ssembly Ind ex No. Part No. Descrip t i on Siz e Qty 1 ............... TS- 1533042 ............ Scre w ................................................................ M5 x 10 .................................. 6 2 ............... HA- 0 02.................... Be v e l Pin ion W as her...................................[...]

31 Ind ex No. Part No. Descrip t i on Siz e Qty 78 ............. LA- 082 .................... Overl oad C l utch Lockout .................................... ............................................... 1 79 ............. LA- 083 .................... Sa f e ty C lutch Sp r i ng .......................................... .........................[...]

32 Ind ex No. Part No. Descrip t i on Siz e Qty 15 3 ........... LA - 110 .................... Quil l Lo ck Slee v e ............................................... ....................................... ........ 1 15 5 ........... LA - 043 .................... T-Bo lt As sembly ................................................. ...................[...]

33 Base A ssembly[...]

34 Par ts List for Base A ssembly Ind ex No. Part No. Descrip t i on Siz e Qty 1 ............... LB- 001 .................... Set Scre w .......................................................... M6 x30 .............................. ..... 2 2 ............... LB- 023 .................... Gea r .......................................................[...]

35 Ind ex No. Part No. Descrip t i on Siz e Qty 57 ............. LK- 022 .................... W a s her .............................................................. ................................... ............ 1 58 ............. MK- 021 ................... Be vel Ge a r ........................................................ ................[...]

36 Lead Scr ew Assem bly Ind ex No. Part No. Descrip t i on Siz e Qty 1 ............... TS- 0571052 ............ Jam Nu t ............................................................. 1/2- 20U NF .............................. 3 2 ............... LT- 010C .................. H andle ............................................................... ...[...]

37 One-S hot Lubricati on S ystem Ind ex No. Part No. Descrip t i on Siz e Qty ................. LT-8 -A ..................... H and Oil er A ssembl y (incl udes i ndex #1, 1A,4, 5 , 9) ............................................ 1 1 ............... LT-8 ........................ H and Oil er ........................................................[...]

38 Electr ical Conn ectio ns – Single Phase only[...]

39 Electr ical Conn ections – 3 P hase on ly[...]

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