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Powermatic 1285 - page 1
Opera ting Instructions and Parts M anual 12” Jo inter Model 1 285 WMH T OOL G ROUP 2420 Vantage Dr iv e El g in, I llinoi s 60123 Part No . M - 0460216 Ph.: 800-274-6848 Revi s ion C1 12/ 05 www.wm ht oolgroup. co m Copyri ght © W MH Tool Group This Manual is Bookmarked ...
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Powermatic 1285 - page 2
2 Thi s manual has been pr epared f or t he owner and oper ators of a Powerm ati c Model 1285 J ointer . It s purpose, as i de fr o m m ach i ne operati on, i s t o promot e saf ety using acc epted operati ng and maint enance procedur es . To obtai n m a xim um lif e and effi c i ency from your joi n t er and to ai d in using i t sa f ely, pl eas e ...
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Powermatic 1285 - page 3
3 Ta ble o f C onte nts W a r r ant y and Ser v ice .............................................................................................................................. 2 Warn ing ................................................................................................................................................... 4 Int roduct ...
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Powermatic 1285 - page 4
4 W a rning 1. Read and under st and t he enti r e owners manual befor e at tempti ng as sem bly or operat i 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 ...
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Powermatic 1285 - page 5
5 blah bl ahbl ah 19. Keep v i sitor s a sa f e di s tanc e from the work area. Keep ch ildren away. 20. Mak e y our workshop chi l d proof wit h padl ocks, master swit c hes or by r em ov i ng s t ar t er keys. 21. G i v e your work undiv ided attenti on. Looking around, c arr ying on a conv ers ati on and “horse-play ” are carel ess act s tha ...
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Powermatic 1285 - page 6
6 36. Bef ore attempting t o j o i nt or plane, each work pi ece m us t be c are f ull y examined f or stock conditi on and grai n orient ati on. N OTE: At certai n tim es it may be nece s s ary to pl ane against t he grain w he n working wit h a sw i rl gr a i n w ood or bur ls. Wit h this type o f work the operat or m ust use a less er de pth of ...
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Powermatic 1285 - page 7
7 Introduct ion Thi s manual i s pro v i ded by Pow er mat ic c o v ering the saf e operati on and m aintenance proc edures f or a Model 1285 Joint er . Thi s m anual contai ns i nstructions on instal lati on, saf e t y precautions, general operati ng procedur es , mai n t enance i ns t ructi ons and parts breakdo w n. This m achine has been de s i ...
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Powermatic 1285 - 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 shippi ng agent. Com pare the cont ents of your container wit h the following parts l ist t o m ake sure all parts are i ntact . Mi s sing par ts, if any, s houl d be repor ted to your dist ribut or . Read the i ns t ...
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Powermatic 1285 - page 9
9 A ssem bly Too l s n eed fo r assembly: 10mm hex wrench (pr ov i ded) 10-12mm co m bi nati on w r enc h ( pr ov i ded) fork lift o r hois t with s traps cros s-poi nt screwdriv er 1. Rem o v e top and si des of crate f ro m around the m achi ne. 2. Rem o v e the dust hood and the f ence assem bly from t he s ki d. Reach int o the stand and r emov ...
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Powermatic 1285 - page 10
10 Switch Arm The arm (Figure 3) on w hi ch the push butt on swit c h i s locat ed is shipped i n the do w n po siti on. The arm should be pivot ed to upright posi tion as shown. Ti ghten t he tw o scr ews wit h a 10mm wrench. Du st Hood Bef ore attac h i ng the dust hood, m ake sure t he hole i n the dust c hute is concealed by the dust chute c o ...
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Powermatic 1285 - page 11
11 If the jointer i s t o be hard-wired, m ake sure the f uses hav e been removed or the breakers hav e been tri pped i n the ci rcuit t o w hi ch the s a w w i ll be connect ed. Pl ace a w ar ning pl acard on the f use holder or ci rcu i t breaker to prev ent it bei ng turned on whi le the machi ne i s being wired. Al w ays f ollow proper Lock-O u ...
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Powermatic 1285 - page 12
12 A d j ustments Disco nnect joint er from power sup ply before making ad ju st men ts. Driv e Belt T ensi o n To chec k t he tension of the driv e be l ts: 1. Remove the t hree cap nuts and f l at w asher s on the pul ley c o v er w i th a 9/16 w r ench, and rem o v e the guar d to ex pos e t he belt s and pull eys. See Figure 9. NOT E : The hex ...
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Powermatic 1285 - page 13
13 2. Place a str aight edge on the outf eed tabl e and ex tendi ng o v er the cut terhead, as shown in F i gure 13. 3. Roc k the cut terhead sli ghtl y so that a knif e ti p contacts the strai ght edge. If the knife ti p just contact s t he s t raight edge wit hout m o v ing the str aight edge, then the outf eed tabl e i s at the proper height. If ...
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Powermatic 1285 - page 14
14 Settin g In feed Table H eight (D epth of Cu t) 1. To set the cut ti ng depth, l oos en hand w h eel (A, F i gure 17) by turni ng c ount erclockwi se. 2. Mov e table adj us t m ent arm (B , Figure 17) up or do w n to rai se or l ow er inf eed tabl e. The poi nter (C, Figure 17) s hows the dept h of cut on t he ad j oining scal e. 3. Ti ghten han ...
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Powermatic 1285 - page 15
15 5. It i s r eco m mended when repl aci ng kniv es that you clean the k n if e slots in t he cutt erhead. Rem ove t he gib al ong with t he gib scr ews , and rem o v e the two s pri ngs. Clean t he cutt erhead slot of any debr is or dust that might pre v ent the k nife from seati ng properly . Al s o c lean the gi b, gi b scre ws , and s pri ngs. ...
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Powermatic 1285 - page 16
16 Replacin g Knife I nserts (H elical Cu tterhead) Joi nter knif e inserts are very sharp . Use care and proceed slowl y w hen wo rkin g w i th or around the cut t erhead . The hel ical cu t terhead i s a sol id steel des i gn that holds 44 two-si ded knif e inserts, and t w o rabbet k nif e inserts on the out board end of the cutt erhead. Repl ac ...
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Powermatic 1285 - page 17
17 Fence A djustm ents The f ence (A, Figur e 22) tilt s back w ar d and f orward to 45 degrees. I t has a 90-degree stop (B, Figure 22) and a 45-degre e stop (C, Fi gure 22). To tilt fe nce for w ard: 1. Loosen the l ock handl e (D, Figure 22) and til t the fenc e f orward using the handl e (E, Fi gure 22). NOTE: Lif t up sli ghtly on the f ence w ...
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Powermatic 1285 - page 18
18 To ch eck and adjust the 45- d e g ree stop: 1. Loosen l ock handl e (D, Fi gure 22) and t ilt f ence until i t c ont ac t s the 45-degree s t op (C, Fi gure 22). 2. P lace a machi n i s t ’s protract or or simil ar devi ce set at 45 degrees on the t able and against t he f ence. 3. If adj us tm ent i s necessary, l oos en the hex nut on t he ...
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Powermatic 1285 - page 19
19 Han d Placem ent At the star t o f the cut, the left hand holds the workpiec e firml y against t he inf eed table and f ence, w hi le t he ri ght hand pushes the workpiec e tow ar d the kniv es. Aft er t he cut i s under w ay, the j oint ed s urf ace of the workpiec e rests f irml y on t he outfeed tabl e. The l e f t hand should pres s do wn on ...
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Powermatic 1285 - page 20
20 Use push bloc ks t o rabbet cut whenev er possibl e. T he rabbet ing capaci ty is 3/4”. 1. Di sconnect m achi ne from pow er source. 2. Set f ence for desired widt h o f rabbet. 3. Chec k w i dth of the rabbet by measuri ng the dist ance f ro m the end of a knif e i n the cutt erhead to the f ence. 4. Reconnect pow er. Lower the i n f eed tabl ...
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Powermatic 1285 - page 21
21 M a intenance Disco nnect machin e from powe r so urce befor e perf orm in g any main tenance. F ailure to comply may cau se se r ious in jur y . Check all screws and fastener s occa sional l y and keep them tightened securel y. Inspect cords; a cord t hat is fr ayed or damaged in any w ay shoul d be r eplaced imm ed i ately. The t able and f en ...
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Powermatic 1285 - page 22
22 6. Sli de the cutter head out t he rabbeting side. 7. Loosen hex cap scre w (A , Fi gure 33) and rem o v e pull ey ( B, Figure 33) and k ey (C, Fi gure 33). 8. Loos en s cr ews (D, F igure 33) on bot h s i des and rem o v e beari ng cap plates (E, F igure 33). NOT E : Figure 33 shows t he pul ley end of the cut terhead. The procedur e is sim ila ...
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Powermatic 1285 - page 23
23 Wh etting Kniv es (Straigh t Cu tterhead) W hen knives becom e dull enough s o that it is noti ceabl e w hen cut ti ng, they shoul d be resharpe ned or repl aced. A sharp knif e w i ll work easier and l ast longer . The penal ty paid for a dull k nife is less bl ade lif e and greater wear and tear on all parts o f t he machi ne. Joi nter knives ...
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Powermatic 1285 - page 24
24 Troubleshoot ing – Operating Problems Trou ble Pr obable Ca use Re medy Fi n i shed s t ock i s concav e on back end. Knif e is higher t han outf eed tabl e. Raise out f eed tabl e until it a l igns with ti p o f kn if e . (see page 13) Fi n i shed s t ock i s concav e on front end. Outf eed tabl e is higher t han knif e. Lower outf eed tabl e ...
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Powermatic 1285 - page 25
25 Trou ble Pr obable Ca use Re medy Unev en k nif e m arks on workpiec e. Kniv es/insert s are kni cked, or out of ali gnment. Replac e knicked kniv es/inserts; ali gn kniv es properly wit h k nif e-setti ng gauge (strai ght cutt er head onl y). Troubleshoot ing – Mechanical and Electric al Problems Trou ble Pr obable Ca use Re medy No inc o mi ...
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Powermatic 1285 - page 26
26 Trou ble Pr obable Ca use Re medy Motor failure. If el ec t r i c m otor i s sus pec t, y ou hav e two opti ons : Ha v e a qualifi ed elec trician test t he mot or for functi on or rem ov e the m otor and take it to a qualif ied elec t r i c m otor repai r shop and hav e i t t ested. Mi s wir i ng of the unit . Double c heck to confirm all e l e ...
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Powermatic 1285 - page 27
27 Optional A ccessori es 6292535 12” Joi nter Kniv es (set of 3) 6400013 Carbi de I nsert Knives for Heli cal Head (set of 10) PJ1696-011 Rabbet I nsert s f or Helical Head ( set of 2) PJ1285- 109 Contact or, 3Ph, 460V 6285917 P us h Bl ock Replacem ent Parts Replac em ent parts are li sted on the f ollowing page s. To order par ts or reach our ...
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Powermatic 1285 - page 28
28 Par ts List: Stan d Assem bly Index No. P art No . Descrip t ion Siz e Qty 1 ............... PJ 1285-101 ............. Stan d ........................................................... ......................................... 1 2 ............... TS- 0680041 ............ Fla t W as he r ................................................. 3 /8” ...
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29 Stan d Assem bly ...
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30 Par ts List: Table A ssembly Index No. P art No . Descrip t ion Siz e Qty 1 ............... 6292525 .................. Bas e ............................................................ ......................................... 1 2 ............... 6292526 .................. Bar, Table Ra i sing Link ................................ ............. ...
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31 Table A ssembly ...
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32 Par ts List: Motor Pulley Assem bly Index No. P art No . Descrip t ion Siz e Qty 1 ............... 6292512 .................. Moto r ........................................................... 3 HP 3P h ........................... 1 ................. 6292512- MF ............ Mo tor Fan (n ot s ho wn ) ................................ ........... ...
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33 Motor Pulley A ssembly ...
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Powermatic 1285 - page 34
34 Par ts List: Cu tterh ead Guard A ssembly Index No. P art No . Descrip t ion Siz e Qty 1 ............... 6292581 .................. Ledge, Rabbet ............................................. ......................................... 1 2 ............... 6292582 .................. Guar d .......................................................... ...
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35 Cu tterh ead Guard A ssembly ...
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Powermatic 1285 - page 36
36 Par ts List: Str aight Cu tterh ead A ssembly Index No. P art No . Descrip t ion Siz e Qty ................. 6292550 .................. Cu tter head Ass em bl y (I t e m s 1 t hr u 19) … … … .......................................... 1 ............... 6292561 .................. Cutte r head ................................................. ...
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Powermatic 1285 - page 37
37 Str aight Cutter head A ssembly ...
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Powermatic 1285 - page 38
38 Par t s List: Helica l Cutterh ead Assem bly Index No. P art No . Descrip t ion Siz e Qty ................. PJ 1285-600 ............. Cu tter head Ass em bl y (I t e m s 1 t hr u 22) … …… .......................................... 1 ............... PJ 1285-601 ............. Cutte r head ................................................... . ...
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Powermatic 1285 - page 39
39 Helical Cu tterhead A ssembly ...
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Powermatic 1285 - page 40
40 Par ts List: Fence A ssembly Index No. P art No . Descrip t ion Siz e Qty 1 ............... 6292592 .................. S upport , Fence ............................................ ......................................... 1 2 ............... 6292593 .................. Brac ket ........................................................ ........... ...
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Powermatic 1285 - page 41
41 Fence A ssembly ...
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42 El ectri cal Connections – 1 Phase ...
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43 El ectri cal Connections – 3 Phase ...
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Powermatic 1285 - 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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