Instruction/ maintenance manual of the product JTM-4VS Jet Tools
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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 .
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.
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 ...................................................
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.
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.
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 .
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.
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.
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).
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 .
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.
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.
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.
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.
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 .
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.
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 .
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.
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).
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 .
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 ............
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 ..........
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 ......
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 ..................
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 .........
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 .......
35 Ind ex No. Part No. Descrip t i on Siz e Qty 57 ............. LK- 022 .................... W a s her .............................................................. ................................... ............ 1 58 ............. MK- 021 ........
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 .
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 .
38 Electr ical Conn ectio ns – Single Phase only.
39 Electr ical Conn ections – 3 P hase on ly.
40 427 Ne w Sanford Road LaVe rgne, Te nnessee 37086 Phone : 800-274-6848 ww w .jettoo ls.c o m.
An important point after buying a device Jet Tools JTM-4VS (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Jet Tools JTM-4VS yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Jet Tools JTM-4VS - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Jet Tools JTM-4VS you will learn all the available features of the product, as well as information on its operation. The information that you get Jet Tools JTM-4VS will certainly help you make a decision on the purchase.
If you already are a holder of Jet Tools JTM-4VS, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Jet Tools JTM-4VS.
However, one of the most important roles played by the user manual is to help in solving problems with Jet Tools JTM-4VS. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Jet Tools JTM-4VS along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center