Instruction/ maintenance manual of the product -20QT-3 Jet Tools
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Opera ting Instructions and Parts M anual 18-Inch, 20-Inch B an d Sa w Model s: JWBS -18 QT, - 18Q T-3, -20Q T-3, -20Q T-5 J WBS-1 8 QT J WBS- 20 QT JET 427 New Sanf or d Road LaVergne, TN 37086-4184, US A Part No . M-710750B Ph.: 800-274-6848 Revi si on C2 04/2014 www.
2 Warrant y and Service JET wa r r ants e very produc t it se lls aga i nst manu facture r s’ defe cts. If one of ou r tools nee ds service o r repair, please contact Te chni cal Se r vice by calling 1-800-2 74-6846, 8AM to 5PM CST, M onday throu gh Fr i day .
3 Ta ble of Cont ents W a rrant y and Ser v ic e .............................................................................................................................. 2 Tab l e o f Con ten ts ..............................................
4 Wa r n i n g 1. Read and under st and t he enti r e ow ner ' s m anual bef ore attempti ng ass em bl y or operation. 2. Read and understand t he w arni ngs po sted on the m achi ne and in thi s m anual. Failur e to comply wit h all of these warning s may cause s eri ous i nj ury.
5 20. Make y our workshop chi l d proof wit h padl oc k s, m aster swit c hes or by r em ov i ng s t arter k ey s. 21. G i v e your work undiv ided attenti on. Looking around, c arryi ng on a conversati on and “horse-pl ay” are carel ess ac t s that can r es ul t in seri ous injury .
6 Introduct ion Thi s manual i s pr o v ided by JET cov ering the safe operati on and m aintenanc e procedures f or JET m ode l JW BS-18QT and J W B S-20QT seri es band sa w s. Thi s m anual contai ns instr uctions on i nstall ati on, saf ety precaut i ons, general operati ng proc edures, mai ntenance i nstructi ons and parts breakdo wn.
7 Grounding Instructions Thi s mac h ine must be grou n ded wh ile in us e to prot e c t t he ope r a tor fro m el ectric sho ck. In t he e v ent of a malf unction or breakdown, groundi ng pro v ides a path of least r es i s tanc e f or elec tric curr ent to reduce t he r i sk of elect ric shock.
8 Models JWBS -18-3, -20Q T-3, -20QT-5 Band saw m odels JW BS-18QT-3, J W BS- 20QT- 3 and JW BS-20QT- 5 are w i red f ro m t he f actory f or 230 volt operat ion only. Re f er to Specif ications f or phase and HP ratings. A pl ug is not incl uded. You may eit her i ns tall a plug or “hard-wir e” the band saw direct ly t o a contr ol panel.
9 Unpacking Rem o v e the cr ate and packi ng m a t eri a l fr o m the band sa w ex cept f or the transport s ki d on the bott o m . Inspect the m achine f or damage. Repor t any dam age to y our distr i butor and shippi ng agent. Mov e the saw to it s permanent w orki ng loc ation.
10 A ssem bl y Handwh eel Att ach the handl e (A, Fig. 4) to the handwheel (B, Fig . 4 ) . Mount ing th e T abl e Impor ta nt : The table i s hea v y. M ounti ng w i th the help of another per son i s reco m mended. Ref erring to Fi gur es 5 and 6: 1.
11 Rail A ssembly Ref erring to Fi gur e 7: 1. Atta ch the front rail ( F) to th e c as t iro n table with t w o 1/ 4” x 5/ 8” hex c ap s crews , tw o 1/4” lock washe rs , and two 1/4” f lat w ashers . The scre ws shoul d be i n approxim ately the center of t he sl ot.
12 Fenc e A djus t ment 2. Pl ace the f ence ass em bl y onto t he guide rail (D, Fig. 9) and aga i nst the edge o f the miter slot (C, Fi g. 9). The hook at the rear of t he f ence should f it under t he rear rai l ( s ee Figur e 12). The f ence must ali gn parall el t o the miter sl ot along the ent ire lengt h of the f enc e.
13 Adjust ing Clear ance betw een Fence and Table Ref erring to Fi gur es 11 and 12: Check t he clearance bet w een t he table and the f ence. The f ence should not r ub against t he tabl e surf ace but be slightl y abo v e i t . Thi s gap shoul d be the sam e at the front of t he tabl e as i t is at the rear.
14 Ad j u s t m e n t s Table T i lt Ref erring to Fi gur e 14: 1. Di sconnect m achi ne fr o m pow er source. 2. Loos en t he lock k nob( s ) / lock handle (G). 3. Til t tab le up t o 45 degrees to the ri ght, or up to 10 degrees to t he l eft. 4. T ight en the lock knob( s )/loc k handle .
15 In stalling/Changin g Blades Discon nect machin e f rom pow er source. B l ade teeth are sh arp, use care wh en hand ling the blade. Failu re to compl y may cause seri ous inj u ry . 1. Di sconnect m achi ne fr o m pow er source. 2. Pl ace t he mode s election lever (J, Fig.
16 Blade Tension Bl ade tension i s s et wit h the blade t ension handwheel (A, Fi g. 19) and is perf ormed foll owing blade r eplacem ent and periodical ly as the b l ade stret c hes f rom use. Discon nect machin e f rom pow er sou rce b efore making any adju stments.
17 Overv iew – Bearing A djustmen t s Thru st (back support) bearing are locat ed beh i nd the sa w bl ade and prov ide support to the back of the bl ade w hen the sa w is i n oper ati on. Guide bear ings are located on either side o f the saw blade and prov i de stabi li ty f or the blade when the saw is in operati on.
18 Lower Bear ing A d justmen ts Unplug the mach ine fro m power sou rce before maki ng any adju stments! Bl ade teeth are sh arp - use care when working near th e sa w bl a de. Failu re t o comply may ca use se r ious in jury. Note: B l ade tension and t racki ng m us t be properl y adjust ed prior to beari ng gui de setup.
19 Blade Lead Bl ade drift (a l s o k now n a s lead or f ence drif t ) is a probl em that m ay oc cur when the blade begi ns to wander of f the cutting line ev en w hen the band saw f ence is being used.
20 Ch angin g the Blade S peed Discon n ect machin e from pow er sou rce b efore making any adju stments. The JWB S-18QT and - 20QT band sa w has two blade- speed opti ons which i s determi ned by the posit ion of the pull ey drive belt. Re f er t o t he Specif ications s ec t ion ( page 6) f or s peed spec s.
21 Replacing the Poly V-Belt Discon n ect machin e from pow er sou rce b efore making any adju stments. 1. Pl ace t he mode s election lever (J, Fig. 18) i n the Full Release posit ion. Ref erring to Fi gur e 25: 2. Loos en t he lock handle (A) t hat secures the motor (C) .
22 Pu lley A lignment The pull ey ali gnm ent i s done i n c onj uncti on wit h the poly V-belt repl acement. If you are j us t begi nni ng the alignm ent, star t with the Replacing t he Poly V-Belt secti on (previ ous page. If you were direc t ed here, pr oc eed as fol l ows : 1.
23 Operating Controls Sta rt/St op Sw itch The switc h shown in Fi gure 30 i s used on model JBW S-18QT band saw. Press the green on but ton (A, Fi g. 4) to start .
24 Operation Note: The follow ing Figur es may or m ay not show y our partic ular band saw model, but the procedur es ar e ident ical. Gener al Procedure 1. M ake sure the bl ade and upper and lower beari ngs are properl y adjusted f or tensi on and tr ac k i ng.
25 Resawing Resawing i s the process of slicing stoc k to reduce i ts thi ckness, or t o produce board s that are t hinner t han the ori g i nal workpi ece. Fi gure 36 demonstr at es res awing. The ideal blade for resaw ing i s the widest one the m achine can handl e, as the wider the bl ade the bet t er it can hold a strai ght l i ne.
26 Set The t erm "set" re f ers to t he w ay i n whi ch the saw teeth ar e bent or positi oned. Set patt erns are usuall y selected dependi ng on the type o f m ater i al that needs to be cut. Three comm on set patt erns are shown in Fi gure 39.
27 Blade S election Guide Ident if y the materi al and thickness of your w ork piece. The chart will show t he recomm ended P I TCH, blade T YPE, and FEED RATE.
28 Tr oubleshoot ing Trou ble Proba ble Ca use Rem edy Sa w st ops o r w ill no t st ar t Saw unplugged Check pl ug connecti ons Fuse bl own, or c i rcuit break er tri pped Replace f use, or r eset ci.
29 Part s Replacemen t Parts Replac em ent parts are li sted on the f ollowing page s. To order par ts or reac h our ser v i ce departm ent, call 1-800-274- 6848, Monday t hrough Friday (see our website f or business hours, www.
30 Upper Wh eel Assem bly (18Q T ) Ind ex No. Part No . Descrip t ion Siz e Qty 1 ............... J WBS18 DX A- 101A .. Saw B ody .............................................................................................. 1 2 ............... TS- 0152011 .
31 Ind ex No. Part No . Descrip t ion Siz e Qty 60 ............. TS- 1533052 .............Scre w .................................................................M5 x 1 6 ...................... 1 61 ............. JW L1220VS-146 ......Star Was he r ...
32 Lower Wh eel and M o t o r A ssembly (18Q T ) Ind ex No. Part No . Descrip t ion Siz e Qty 1 ............... J WBS18 - 201N .........Be arin g Bas e ......................................................................................... 1 2 .....
33 Ind ex No. Part No . Descrip t ion Siz e Qty 52 ............. TS- 1550031 .............Fla t W as her ........................................................M5 .............................. 2 53 ............. TS- 0560071 .............He x Nu t ..
34 Blade Guide A ssembly (18Q T) Ind ex No. Part No . Descrip t ion Siz e Qty 1 ............... TS- 0051051 .............Hex Cap Sc rew ..................................................5/1 6-18 x 1 ................. 4 2 ............... TS- 0720081 ..
35 Ind ex No. Part No . Descrip t ion Siz e Qty 59 ............. JWBS1 8DX - 359 .......Lockin g H andle ...................................................................................... 1 60 ............. JWBS1 8DX - 360 .......Shaft ...........
36 Table an d Fence A ssembly (18QT) Ind ex No. Part No . Descrip t ion Siz e Qty 1 ............... J WBS18 -40 1 ............L ock H andle .......................................................................................... 1 2 ............... TS- 0680021 .
37 Ind ex No. Part No . Descrip t ion Siz e Qty 59 ............. JWBS1 8DX - 459 .......C-Ring ................................................................S-10 ........................... 1 60 ............. JWBS1 8DX - 460 .......Link Ch ain .....
38 Upper Wh eel Assem bly (20Q T ) Ind ex No. Part No . Descrip t ion Siz e Qty 1 ............... JWBS20 QT-5 01 .......Saw Bo dy ...........................................................for 3H P ............... ........ 1 ................. J W BS2 0 QT- 501A .
39 Ind ex No. Part No . Descrip t ion Siz e Qty 56 ............. TS- 0560071 .............He x Nu t .............................................................. #10-24 ........................ 2 57 ............. 2013-333 .................Spac er....
40 Lower Wh eel and M o t o r A ssembly (20Q T ) Ind ex No. Part No . Descrip t ion Siz e Qty 1 ............... J WBS20 -20 1 ............Be aring Bas e ......................................................................................... 1 2 ....
41 Ind ex No. Part No . Descrip t ion Siz e Qty 38 ............. TS- 081C082 ............Pan H ead Machi ne S crew .................................. #10-24x 1-1/ 2 .............. 2 39 ............. TS- 069204 ...............Fla t W as her ...........
42 Lower Wh eel and M o t o r A ssembly (20Q T ).
43 Blade Guide A ssembly (20Q T) Ind ex No. Part No . Descrip t ion Siz e Qty 1 ............... TS- 0051051 .............Hex C a p Sc re w ..................................................5/1 6 - 1 8 x1 ................... 4 2 ............... TS- 0720081 .
44 Ind ex No. Part No . Descrip t ion Siz e Qty 60 ............. JWBS2 0-36 0 ............Brac ket .................................................................................................. 1 61 ............. JWBS1 8DX - 361 .......Adjus ting Sc rew .
45 Blade Guide A ssembly Upper Bearing Gu i de Lower Bearing Guide.
46 Table an d Fence A ssembly (20QT) Ind ex No. Part No . Descrip t ion Siz e Qty 1 ............... J WBS18 -40 1 ............L ock ing H andl e ...................................................................................... 1 2 ...............
47 Ind ex No. Part No . Descrip t ion Siz e Qty 57 ............. TS- 0051091 .............He x C a p Sc re w ..................................................5 /1 6 -1 8 x2 ................... 2 58 ............. 40- 0260 ...................W r enc h.
48 Electri ca l Connections 1 3/4 HP, 1P h, 115V B a n d S aw Mod el N o.: JW B S-18QT -1 (S N 7107 50B) 3HP, 1 P hase 1-3/4 HP, 1P h, 230V B a n d S aw Mod el N o.
49 3 HP, 1P h, 230V B a n d S aw Mod el N o.: JW B S-18QT -3 (S N 7107 51B) 2 T1 4 T2 6 T3 A2 GROUND GR EEN GREEN BLACK WHIET 95 96 98 97 60uF 250WV AC GREEN BLACK WHITE 300M FD 125V AC 5 L3 A1 3 L2 1.
50 3 HP, 1P h, 230V B a n d S aw Mod el N o.: JW B S-20QT -3 (S N 7087 54B) WHITE BLACK WHITE BLACK GREEN LED RED WHI TE YELLOW BLACK RED YELLOW BLACK WHI TE GREEN Magn etic Swit ch E lec tri ca l Boa.
51 5 HP, 1P h, 230V B a n d S aw Mod el N o.: JW B S-20QT -5 (S N 7087 55B) WHITE BLACK WHITE BLACK GREEN LE D RED WHI TE YELLOW BL ACK RED YELLOW BLA CK WHITE GREEN Magnetic Switch Electrical Board M.
52 427 New Sanf or d Road LaVergne, TN 37086-4184, US A Phone: 800- 274-6848 ww w.jetto ols .co m.
An important point after buying a device Jet Tools -20QT-3 (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 -20QT-3 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 -20QT-3 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Jet Tools -20QT-3 you will learn all the available features of the product, as well as information on its operation. The information that you get Jet Tools -20QT-3 will certainly help you make a decision on the purchase.
If you already are a holder of Jet Tools -20QT-3, 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 -20QT-3.
However, one of the most important roles played by the user manual is to help in solving problems with Jet Tools -20QT-3. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Jet Tools -20QT-3 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
