Jet Tools GH-1440W manual

OW NER’S M A NU A L GH-1340W/1440W La th es JET EQU IPMEN T & TOOLS , IN C. P.O. BO X 134 9 253-351-600 0 A W MH C ompany Auburn, WA 98071-1349 Fax 253-939-8001 www.jet tool s.com e-m ail jet@j ettool s.com M-321810 6/ 00[...]

2 Important Information 1-YE AR J ET of fe rs a on e -yea r limite d LIM ITED W A RRA N T Y warranty on this product R E PL A C EM EN T P A R TS Replac em en t parts f or t his t ool are av ailabl e dir ectly f orm JE T Equipment & Tool s. To pl ace an order, call 1-800- 274-6848. Please ha v e the f oll ow i ng inf ormation ready : 1. Vi sa, M[...]

3 WARNING • Read an d understan d the entire in struction manu al befo re att em pt ing assembl y or oper ati on . • Th ese l athes are designed and i nt ended f or u se by p rop erly trai ned a nd experien ced perso nnel o nly. If you are no t famili ar wi th t he p roper and safe o perat ion o f a lathe, do not use un til pr oper tra ini n g [...]

4 Speci fi cati ons : GH -1340W/ 14 40W Stoc k Nu mber .............................................................................................. 321810 G H-1340W - 1 Stoc k Nu mber .............................................................................................. 321820 G H-1340W - 3 Stoc k Nu mber .................................[...]

5 Miscellane ous: Steady Rest Capaci t y ................................................................................................. 1/4" - 3 -3/4 " Foll ow Rest Capacit y ................................................................................................. 1/4 " - 2-3 /4 " Length of Bed .......................[...]

6 WARNING Read an d understan d the entire con tents of this manua l b ef ore attemp ting se t-up or oper ati on! Fai lure to co m pl y may cause serious injur y! Contents of the Shipping Container 1 Lathe 1 Steady Rest 1 Foll ow Rest 1 6" T hree Jaw Chuck w/ Top Rever sing Jaws (Di rect Mount) 1 8" Four Jaw Chuck w it h Bac kpl at e 1 12[...]

7 U ncr ati ng an d Cl ean- U p 1. Fi nish removi ng the wooden crate f rom around the l at he. 2. Unbolt t he lathe f r o m the s hi pping c rate bo tto m. 3. Choose a l ocation f or t he lat he that is dr y, has good li ghti ng, and has enough room to be abl e to ser v i ce the lat he on all four sides. 4. Pl ace two steel rods or pi pes (of suff[...]

8 Chuck Pre par ation (T hree Jaw) WARNING Read an d understan d all direct ions for chuc k pre par atio n! Fai lure to co m pl y may cause serious in jury and/ or dam age t o t he lathe! Note: B e f ore r e m oving the chuc k from the spindl e, pl ace a w ay board ac ross the bedways un der t he c huck 1. Support the chuck w hil e tur ning t hree [...]

9 Lubrication CAUTION Lat he must b e servi ced at all lub rication poi nts and all reservoi rs fill ed to operat ing level befo re the lathe i s pu t into servi ce! Fai lure to co m pl y may cause serious d am ag e to th e l a th e! 1. Headst ock - Oi l m ust be up to i ndi cator m ark i n oil s i ght g l ass ( A, Fig. 3). T op o ff with M obil DT[...]

1 0 3. Ap r o n - o il m ust be up t o i ndic a tor mark i n oil sight glass (A , Fig. 6). T op o ff with Mobi l DTE  O i l H e av y M e di um . R em ov e oil cap (B, Fi g. 6) on top o f apr on to fill . To drai n, remove dr ain pl ug on bottom of apron. Drai n oil co m plet ely and re fi ll af ter the fi rst m onth of oper ation. Then, change o[...]

1 1 Coolant Preparation CAUTION Fol low cool ant manu factu rer's recommen datio ns fo r use, care, and di sposal. 1. Re m o ve rear acce ss cov er on ta ilstock end. Make sure cool ant tank has not shif ted duri ng transport and i s loc a ted properl y under t he recovery chute (Fig. 9). 2. Pour t hree gall ons o f coolant mix i n to dri p pa[...]

1 2 Make sure t he l athe i s prop erly g rounded. Power is connect ed properl y when pu llin g up on the f orward-rev erse l e v er causes the spindl e to r otate counter -cloc kwise as v i ew ed from t he tail stock. If t he chuck rot ates in the cl ockwise directi on, di sconnect the l at he from the power sourc e, swit ch t w o of three power l[...]

1 3 Gene ral Des cri pt i on Lathe B e d The l athe bed (A, Fi g. 10) is made of high grade cast i ron. By co m bi n i ng h i gh cheeks with str ong cross ri bs, a bed with low v ibr ation and high r igi d i ty is reali zed. Two preci sion ground v ee slideway s, rei n f orced by heat hardeni ng and gri nding, ar e an accurat e guide f or the carri[...]

1 4 Tails t ock The tail stock (A , Fig. 12) slides on a v- w ay and can be l ocked at any loc ation by a cl amping l e v er. T he tail stock has a heavy duty spi ndle wi th a Morse Taper #3. Lead screw and F eed Rod The l eadscrew (B Fig. 12) and feed rod (C, Fi g. 12) are m ounted on t he fr ont o f the m achine bed. They are connected t o the ge[...]

1 5 Foll ow Rest The trav e li ng f oll ow rest (F, F ig. 12) i s m ounted on the saddle and f ollows the m o v ement o f the tur ning t ool . O nly two finger s are requi red as the pl ace o f t he thir d is tak en by the t urning t ool. The f o l low rest i s us ed f or tuni ng operati ons on long, sl ender workpi eces. It prev ents f l e xi ng o[...]

1 6 5. Feed /Lead S electo r Lever ( H ,F i g .1 3 )- loc ated on the f ront o f the gearbox. Used in set ting up for f eeding and threadi ng. Posit ions "F " and "D" are f or the feed r od . Posit ions "E" and "C" are for t he f eed screw. Positi on "0" i s neut ral. 6. Lock K nob (I, Fi g. 13) - l[...]

1 7 15. Tool P ost Clampi ng Lever ( J ,F i g .1 4 )- loca ted o n to p o f the too l pos t. Ro tate counter -cl ockwi se to l oosen and cl ockwise to ti ghten. 16. T ailstock Qu ill Clampi ng Lever (A, F i g . 15) - l ocat ed on t he t a i lstoc k. Lift up to loc k the spindl e. Push down to unloc k. 17. T ailstock Cl amping Lever ( B ,F i g .1 5 [...]

1 8 Oper ati on Feed and Th read Selecti on 1. Ref erence t he f eed and t hread found on the gear box f aceplat e tabl es (A, Fi g. 17 & page 22 of manual ). 2. Mo v e le v ers (B , C, D, E & F, F i g. 17) to the appropr iat e positi ons accordi ng to the chart . Chan ge G ears Repl acement The 25T , 127T , 50T gears ar e i nstall ed i n t[...]

1 9 Automat ic F eed Operation and F eed Chang es 1. Mov e the f orward/rev erse selec tor ( A, Fi g. 19) up or down dependi ng on desir ed dir ecti on. 2. Set selec tor levers (A, B , C, & D, Fi g. 20) to desi red rat e. Note: f or f eeding, l ever ( D) will be set at "F " or "D", dependi ng on desired f eed rate. Pow ered [...]

2 0 M etr i c Thr e ad Ta bl e I nch Lead and Feed T abl e Cross Fee d Ta ble[...]

2 1 Com pou nd R es t The com pound rest i s l ocat ed on top o f t he cros s s li de and can be r otated 360 degrees. Loosen the t wo s ocket head cap scre ws (A, Fi g. 21) on the c ompound rest base. Ther e is a cali brated di al (i n degr ees B, Fig. 21) bel ow the rest to ass ist i n p lacem ent of the com pound to the desi red angle. Ad j us t[...]

2 2 Tails t ock If the handl e will not l ock the tailstoc k, foll ow the proc edure bel ow : 1. Lower the handl e t o the unl ocked posit ion. 2 . S l i d et h e t a i l s t o c kt oa na r e at h a ta l l o w s acces s to the undersi de o f t he tail stock. 3. Ti ghten t ail stock cl amping bolt (under side of t ailst ock) 1/ 4 turn. Test f or pro[...]

2 3 4. Set up and c ut along fiv e i nches of t he bar stock. 5. Using a mi cromet er, m easure t he bar stock nex t to the c huck and at the end. The m easurem ent shoul d be t he same. 6. If the m easurem ents are not the sam e and adjust ment i s requi red, loosen hex socket cap scr ews (A , Fig. 24) whic h hol ds the headstoc k to t he bed. Do [...]

2 4 Bel t Rep lacem ent and A djus tmen t 1. Disco nnect mach ine from the p ower sou rce (unplug ). 2. Open t he end gear cover and l ower co v er on the headstoc k side. 3. Take t ension off old belts by l oosening m o t or mount hex nut (A, Fi g. 26). 4. Rem o v e belts. Install new bel t s onto pu lleys . 5. Tensi on by tight ening m otor m oun[...]