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Jet 22-44 Pro - page 1
Opera ting Instructions and Parts M anual Drum Sander Model 2 2-44 P ro Delux e model sho wn (wit h c aster s and i nf eed/ outf eed tables) WMH T OOL G ROUP 2420 Vantage Dr iv e El g in, I llinoi s 60123 Part No . M - 638003 Ph.: 800-274-6848 Revi s ion A 4/06 www.wm ht oolgroup. co m Copyri ght © W MH Tool Group ...
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Jet 22-44 Pro - page 2
2 W A RR A N TY A N D SERVI CE W M H Too l G rou p, I nc ., warrants e very product it se lls. If one of ou r to ols nee ds service or re pai r, one of our Authorize d S e rvi ce Cente r s located throughou t t he Unit e d States can give you quick se rvi ce . In most cases, any o f these W MH Too l Group Au t hor ize d Service Ce nt e r s can aut ...
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Jet 22-44 Pro - page 3
3 Ta ble of Contents Tab l e o f Con tents .................................................................................................................................... 3 Warn ing ................................................................................................................................................... 4 Int roduction ...
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Jet 22-44 Pro - page 4
4 W arning 1. Read and under st and t his enti re manual be f ore att em pting assembl y or operati on. 2. Read and understand t he w ar ning s po sted on the m achine and i n thi s m anual. Fail ure t o co m ply w i t h all of t hes e warning s m ay c ause seri ou s inj ur y. 3. Replac e the warning l abe l s if they bec om e obscured or remov ed. ...
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Jet 22-44 Pro - page 5
5 blah bl ahbl ah 21. M ak e y our workshop chi l d proof wit h padl ocks, master switc hes or by r e m ovi ng start er keys. 22. G i v e your work undiv ided attenti on. Looking around, c ar rying on a c on v ers ati on and “horse-play ” are carel ess act s that can r esul t i n serious injur y . 23. Maint a i n a balanc ed s t ance at al l t ...
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Jet 22-44 Pro - page 6
6 Introduct ion Thi s manual i s provi ded by WM H Tool Group c o v ering the saf e operati on and m aintenanc e procedure s f or a JET Model 22-44 Pro Dr u m Sander. This manual c ontains i ns t ructi ons on instal lation, safety precaut i ons, general operati ng proc edures, mai ntenance i nstructi ons and parts breakdo wn. Thi s m achine has bee ...
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Jet 22-44 Pro - page 7
7 Features and T ermi n ol og y The ill ustrati on below shows the m a jor co m ponents and f eat ures of the 22-44 Pro Sander . T hes e are ref erenced throughout the manual and will he l p to f amiliar iz e y ou wit h t he operation and f unc ti ons of t he m ach ine. Figur e 1 ...
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Jet 22-44 Pro - page 8
8 Unpacking Open shi pping cont ainer and chec k f or s hi pping dam age. Report any damage im mediatel y t o your di stri butor and s hi pping agent . Do not discar d any shippi ng m ateri a l until the Drum Sander i s as sem bl ed and runn i ng properl y. Com pare t he content s of your cont ai ner with t he f o ll ow i ng parts li s t to mak e s ...
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Jet 22-44 Pro - page 9
9 A ssem bly Tool s re q uired for assemb l y: Hoist , f orklift , or one or m ore ass i stant s W renches – 9/ 32”, 1/ 2” , 9/ 16” Hex wrenches – 4mm, 1/8” I nstall Stan d Legs Th e sander is heavy; u se ca utio n whe n lif t i n g. 1. Rai s e t he sander f ro m the f loor usi ng a fork lift, h ois t or an ass ista nt. (Place hois t st ...
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Jet 22-44 Pro - page 10
10 2. Re- ti ghten the set scre w w ith your fingers until i t only lightl y touches the col u m n tube. 3. Hold t he set scre w i n posit ion with t he hex wrench, and re- t ight en t he he x nut . I nstall Han dwheel Mount t he handw heel to t he top of t he height adjust m ent screw (F i gure 6). Ali gn one of t he s et scre ws wit h the flat on ...
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Jet 22-44 Pro - page 11
11 6. Posit ion t he table ( H , F i gure 9) ov er t he brack ets, and install f our 1/4”x3/ 4” s quare neck bol ts (J), 1 / 4” f lat w asher s ( K ) , and 1/4” hex nut s (L). Do not fully tight en ye t. 7. The t able should be po s i ti oned e v en wit h or sli ghtly bel ow t he con v eyor belt surf ace. To check posi t ion, plac e a l e v ...
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Jet 22-44 Pro - page 12
12 I nstallin g Abrasives An 80-gr it abr as iv e stri p i s already i nstalled on the drum o f your sander. Page 28 off ers inf ormati on on t he types o f abrasiv e and t heir recom m ended uses . Proper attachm ent of t he abrasiv e str ip to the drum i s cri t i cal t o achievi ng top perf or m ance from your drum sander. Abrasiv e stri ps do n ...
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Jet 22-44 Pro - page 13
13 8. You can u s e y our fi ngers to work t he infeed take- up f astener, but it w il l be more conv enient t o us e t he TUF T ool suppl ied with y our sander. Hol d the T UFT ool wit h the red end poi nti ng away f ro m you (Fi gure 15) and insert it s hook into t he outside h ole of the f ast ener l e v er (see Fi gur e 17) . 9. Lif t t he leve ...
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Jet 22-44 Pro - page 14
14 Grounding Instructions Elect rical co nnection s must be mad e by a qu alified el ectrician i n comp liance wit h all relevan t codes. Th is machi ne must be p r o perly ground ed to help preven t electri cal sho ck and po ssible fat al injur y. In t he e v ent o f a m alfunc t i on or break dow n, groundi ng provi des a path of l east resistanc ...
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Jet 22-44 Pro - page 15
15 Ext ensi on Co rds If an ex tension cor d i s necessary, m ake sure the cord r ating i s s uit able f or the a m per age listed on the m achine's m otor plat e . An undersize cor d w ill ca us e a dr op in l ine vo lt age resul t i ng in loss of power and ov erheati ng. The char t in Figur e 20 s hows the c orrect si ze cord t o us e ba sed ...
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Jet 22-44 Pro - page 16
16 • The set screws in the t able suppor ts hav e been loosened and readj usted ( see page 9). • The sander has been l e v eled (page 11) . • Movi ng parts of t he height adjustment m echan i sm ar e w el l lubri cated, i nc l uding mi ter gears, c olumns, and t hreaded adjust i ng screws. If the tabl e height m echanism s t ill does not oper ...
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Jet 22-44 Pro - page 17
17 6. If one hei ght adj us tm ent screw is loose, rem o v e the m iter gear f ro m the t rans f er rod on that s i de. Turn down the t hreaded height adjust ment s cr ew rod unt il it is snug. Make sure bot h sides are snug on top and retai ning ri ngs under the adj us t ment s c rew support s ar e i n place. Re-instal l t he m iter gear. Loosen t ...
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Jet 22-44 Pro - page 18
18 3. I nsert the gau ge bet w ee n the drum and conv eyor bed at one end of t he dru m (F igure 26). Ra i se the conv eyor bed whil e slowly r otati ng dr u m by hand until the drum li ghtly cont acts the t h i ckness gauge. 4. Mo v e t h i ckness gauge to the opposit e end of t he dru m . I f t he dru m does not contac t the thi ckness gauge equa ...
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Jet 22-44 Pro - page 19
19 2. Sli ghtly loosen bearing bol t knobs. ( An int ernal toot h l ock was her is plac ed under the head of each beari ng bolt to prev ent tensi on roll ers fr o m droppi ng out of positi on if knobs are loo sened s l ightl y. If t ension rol lers do drop, sim p l y raise to a posi tion equal t o that of the inboar d end of t he dru m and sli ghtl ...
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Jet 22-44 Pro - page 20
20 Adj us t ing t he take-up scre w nut s on ei ther side of t he con v eyor allows bel t t racking adj us tm ents to be made wi t hout affecti ng be l t tension. NOT E : Adjust t ake-up scre w nut s onl y 1/4 t urn at a t im e. Then all ow tim e f or t he belt t o react to the adj ust m ents bef ore proceedi ng f urther. T ry to avoi d o v er adju ...
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Jet 22-44 Pro - page 21
21 Step 2: Now r epeat St ep 1 on t he right ( i nboar d) side of convey or. Compare t he m easurem ents from s i de to side. If they are not equal, loosen one of the brac kets that hol d the r oller i n p l ace. Ti p t his brack et until t he distance bet w een t he rol ler and t he s trai ght-edge are equal f ro m side to si de, t hen ti ghten t ...
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Jet 22-44 Pro - page 22
22 I f th e c on v e yo r tab le is st ill d if ficu lt to ra is e o r lower, the tabl e s upport s m ay need to be r e- center ed on the col u m ns . To do thi s , loosen the f our 3/8”x1” hex head bol ts in eac h t able support that connects it t o t he t able mounti ng bracket s , adjust and tight en the set screws ( s ee F igure 5) to hol d ...
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Jet 22-44 Pro - page 23
23 4. Af ter the m achi ne has run f or about 30 mi nutes, stop to check that t he s et s c rews and beari ng bolt s are still t ight. NOT E : I t may be necess ary t o re-ali gn the tensi on roll ers after r otating t he dru m beari ngs. See page 18. Replacing D ru m Bearin gs If the beari ngs ar e squeal ing or are loose, t hey m ay need repl aci ...
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Jet 22-44 Pro - page 24
24 Operation Bef ore us i ng your dr u m sander, revi ew the previ ous pages in t his m anual on i n i tial set-up and adjust ment . I n thi s sect ion, y ou w i ll learn how to operat e the mac hine. M ake s ure an abrasiv e stri p is m ounted and a du s t coll ection system i s connected. Basic Opera ting P rocedu re 1. Set dept h o f cut. 2. Sta ...
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Jet 22-44 Pro - page 25
25 Learni ng how to u s e it s adj ustm ents and co ntr ols w ill al low yo u t o fin e-t une t he m achine f or ma xim u m res ults. The bes t results co m e from e x perimenti ng w i th diff erent abr as iv e grit s and m achine adj ust m ent s t o f it t he j ob at hand. Foll ow i ng is a l ist of usef ul tips w hi ch can hel p you im prove per ...
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Jet 22-44 Pro - page 26
26 M a intenance Be fore doi ng mai ntena nce on th e machine, disco nnect it f rom the electri cal supp ly by p ullin g out the plug or s witc hing of f the main sw itch! F ailure to comply may cause seri o us inju ry. Keep i ng th e Mach ine C lean For bes t resul ts, m ake cleani ng the m achine a regul ar shop procedure. A ll ow i ng excess bui ...
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Jet 22-44 Pro - page 27
27 Tracker Kit (98-0080) Tr ackers dram at i cally r educe tracki ng adjust- m ents o f conv eyor belt s . They ar e already instal l ed on your sander. The f ollowing inf ormati on i s f or re-setti ng or repl ac i ng your trac kers, should t hat becom e necessary. Refer to Fi gure 43. 1. Di sconnect power to sander, and di sconnect m otor c or d ...
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Jet 22-44 Pro - page 28
28 A brasiv e Selection Guide Grit C ommon Appl icati on 24 ........ Ab ras ive p l aning , s urfac i ng r ough-saw n bo ar ds, m aximum stock r em ov al, g l ue removal . 36 ........ Ab ras ive p l aning , s urfac i ng r ough-saw n bo ar ds, m aximum stock r em ov al, g l ue removal . 50 ........ Su r f acin g and dimensioni ng boards, t r ueing w ...
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Jet 22-44 Pro - page 29
29 Tr oubleshoot ing: Motor and Electri c al Problems Trou ble Pr obable Ca use Re medy No inc o mi ng power. Check pl ug connecti ons. Connec t m ai n c or d to power source, and m otor cord i nto control box r ec ept acle. Cir cu i t fuse blown or breaker t ripped. Replace f use or re-set breaker . Sander wil l not start. Swit c h i s m a lf unct ...
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Jet 22-44 Pro - page 30
30 Trou ble Pr obable Ca use Re medy Conv ey or be l t out of adj ustm ent . Readjust c onv eyor belt; see page 19. Driv e or driven roll er needs adj usti ng. Readjust ; s ee page 20. Conv ey or be l t worn or def ec tiv e . Replac e con v eyor belt; see page 20. Driv e roller worn, bent , or varies i n diam eter side to side. Replac e dr ive roll ...
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Jet 22-44 Pro - page 31
31 Tr oubleshoot ing: Operational Pr oblems Trou ble Pr obable Ca use Re medy Rippl es in sanded surf ace. (Non-unif orml y spaced ri ppl es). Unev en f eed rate. Check f or t hese condit i ons and re f er to prev ious Troubleshooti ng secti ons: Conv ey or be l t slips on driv e r oll er. Board sl i ps on con v eyor belt. Conv ey or gear motor sta ...
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Jet 22-44 Pro - page 32
32 Trou ble Pr obable Ca use Re medy Conv ey or be l t is l oose. Adj us t conv e yor belt t ens i on. See page 19. Exc essiv e depth of cut. Reduce depth of cut. W ood sl i pping on convey or due to lac k o f contact. Use alt er nat e f eedi ng procedure. Gougi ng o f w ood. Abrasiv e is too fi ne. Replac e w i th coarser gr it . Line or groo v e ...
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Jet 22-44 Pro - page 33
33 Optional A ccessori es 98-2201 Infeed/ Outfeed Tables 98-0130 Cas t er s (set of 4) 80-2910 Dus t Hose Adapt or , 4” reduc e t o 2-1/2” 60-2000 Ready-To-W rap TM Ass ort ment Pac k age ( one each o f 3 0, 80, and 120 grit ) 60-2024 Ready-To-W rap TM Abrasive Stri p, 24 G rit, (4 wraps in a box ) 60-2036 Ready-To-W rap TM Abrasive Stri p, 36 ...
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Jet 22-44 Pro - page 34
34 Stan d Assem bly ...
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Jet 22-44 Pro - page 35
35 Par ts List: Stan d Assem bly Index No. Part No . Descrip t ion Siz e Qty 1 ............... 31 - 0027 ................... Ha ndw heel Assem bl y .................................. 8”O.D. , 1/2” I .D. ................. 1 2 ............... 10 - 8903 ................... Sock et Se t Scre w ........................................ 5/1 6”x3/8? ...
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Jet 22-44 Pro - page 36
36 Dr um Head A ssembly ...
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Jet 22-44 Pro - page 37
37 Par ts List: Dru m Head A ssembly Index No. Part No . Descrip t ion Siz e Qty 1 ............... 30 - 0002W ............... Dru m Carr i age Arm ...................................... ......................................... 1 2 ............... 30 - 0015W ............... Cla m p Jaw................................................... ............ ...
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Jet 22-44 Pro - page 38
38 Con vey or and M otor A ssembly ...
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Jet 22-44 Pro - page 39
39 Par ts List: Con vey or an d Motor A ssembly Index No. Part No . Descrip t ion Siz e Qty 1 ............... 72 - 2250- 01 .............. Knob............................................................ ......................................... 1 2 ............... 40 - 4017W ............... Con trol Ho us ing B racke t ............................ ...
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Jet 22-44 Pro - page 40
40 I nfeed an d Outfeed Tables (98-2 201) – Op tional Ac cessor y Index No. Part No . Descrip t ion Siz e Qty 1 ............... 40 - 0329 ................... In f eed/Outfeed T ab l e ................................... ......................................... 2 2L ............. 40- 0327 ................... M ount ing Br acket ( LH) ............ ...
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Jet 22-44 Pro - page 41
41 El ectri cal Connections ...
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Jet 22-44 Pro - page 42
42 N OT ES ...
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Jet 22-44 Pro - page 43
43 ...
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Jet 22-44 Pro - page 44
44 WM H Tool Gr ou p 2420 Van t age Drive Elgin, Il linois 60123 Phone : 800 - 274-6848 www.wm htoolgr oup.com ...
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