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Jet Tools M-1791309 - page 1
Opera ting Instructions and Parts M anual Heavy -D uty Mort iser Model 7 20HD WMH T OOL G ROUP 2420 Vantage Dr iv e El g in, I llinoi s 60123 Part No . M - 1791309 Ph.: 800-274-6848 Revi s ion A 7/05 www.wm ht oolgroup. co m Copyri ght © W MH Tool Gr oup This Manual is Bookmarked ...
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Jet Tools M-1791309 - page 2
2 Thi s m anual has been prepared f or the owner and operat ors of a P ow er mati c Model 720HD Morti s er. I ts purpose, as i de f ro m machine oper ation, i s to prom ote safet y us ing ac cepted operat ing and m a i ntenance procedur es. To obt ain m axim um lif e and effici ency from your m ortiser and t o ai d in usi ng it saf ely, p l ease re ...
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Jet Tools M-1791309 - page 3
3 Ta ble of Cont ents W a rrant y and Servic e .............................................................................................................................. 2 Tab le o f Con tents .................................................................................................................................... 3 Warn i n g ....... ...
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Jet Tools M-1791309 - page 4
4 W a rning 1. Read and under st and t he enti r e owners manual befor e att em pti ng ass em bl y or operati on. 2. Read and understand t he w arni ngs po sted on the m achi ne and in thi s m anual. Fail ure to comply wit h all of these w arni ngs m ay cause s eri ous inj ury. 3. Replac e the warning l abe l s if they bec om e obscured or remov ed ...
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Jet Tools M-1791309 - page 5
5 21. Mai ntain a bal anced stanc e at al l times so that y ou do not f all or lean agai nst t he auger and chi sel or other m o v i ng part s. Do not ov erreach or use exc essiv e f orce to perform any machine oper at ion. 22. Use the ri ght t ool at the corr ect speed and feed r ate. Do not f orc e a tool or att achment to do a job for which i t ...
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Jet Tools M-1791309 - page 6
6 Introduct ion Thi s manual i s prov ided by W MH Tool G roup cov ering the saf e operati on and m aintenanc e procedure s f or a Model 720HD Hea v y-Duty Mortiser. Th i s m anual cont ains instr uctions on install ation, s af ety precaut i ons, general operati ng proc edures, mai ntenance i nstructi ons and parts breakdo wn. Thi s m achine has be ...
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Jet Tools M-1791309 - page 7
7 Unpacking Rem o v e all crating and pl astic f ro m around the Mort i ser. Check f or shipping dam age; report any dam age immedi a t ely to your d i stri butor and shippi ng agent. Do not discard any shi pping m a t erial until the Mor t i s er is assembl ed and runni ng properl y . Open t he cabinet rear door and re m o v e any box es and acc e ...
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Jet Tools M-1791309 - page 8
8 A s sembl y Tool s re qu i re d for assemb l y f orklift or hoi st wit h s tr aps/sl i ngs 14mm wrench (pr ov i ded) 4 and 6mm hex wrenches (prov ided) 1. Rem o v e the four s c rews that secure t he Mort iser to the wood pall e t, using a 14mm wrench. 2. W ith a f orklift or hoi st, lif t t he m ac hi ne off the pall et and into it s desired l o ...
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Jet Tools M-1791309 - page 9
9 In stalling Bushing, Chisel an d A uger 1. The m orti s er should be disconn ected f rom power source. 2. Open t he c huck access cov er (A, Figur e 3). 3. I nsert a bu s hi ng (B, Figure 3) i nto t he hole with t he bushing’ s hol e faci ng the f ront toward the set scre w (C, Fi gure 3). NOT E: The M ortiser i s shipped wit h the 5/ 8” bush ...
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Jet Tools M-1791309 - page 10
10 Thi s m achine m ust be grounded. In the ev ent of a m alfunc tion or br eakdown, grou nding pr ov i des a path of least resi s tance f or elec tric current to reduce t he risk of el ectri c shock . Impr oper connect ion of the equi p m ent- groundi ng conductor can resul t in a r isk of elec tric shock. The conduc tor, w i th insul ation havi n ...
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Jet Tools M-1791309 - page 11
11 A d justments Squ ar in g T a ble To Ch isel 1. P lace a sq uare upon t he tabl e and agai nst the chi sel, as s hown i n Fi gure 6. 2. If the tabl e and chisel are not perpendic ular to each ot her, l oosen the tabl e’s stud with the at t ached hex wrench (A, Fi gur e 6) . 3. Loosen the l ocking handl e ( B, F igur e 6) and adjust the t able ...
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Jet Tools M-1791309 - page 12
12 Chuc k Ext ensi on Ad apt or The pr o v ided Chuc k Ex tension Adapt or is u s ed to l ow er the c huck for us e wit h af ter-market chi s els (chi sels other t han tho s e su ppli ed w i th your m achine) t hat m ay requir e a s pacer due to v ar y ing lengt hs in shanks. 1. To i nstall t he adaptor, f irst r em ov e t he chisel and auger. 2. I ...
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Jet Tools M-1791309 - page 13
13 Latera l (X A xis) Use the han dl e (A , F igur e 12) to m ov e the head righ t or le ft. Th e la tera l s top s s hould b e s et in accor dance w i th t he l ength of t he m ortise cut (see “Set t ing Lat er al Stops”). Up/D o wn ( Z A xis ) Handle B , F igur e 12. Fo rward/Backw ard (Y Axis) Loosen the Y -Axi s locki ng handle (shown in Fi ...
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Jet Tools M-1791309 - page 14
14 Chisel P arallel to Wor kpiece For accurate m ortise cuts, t he chisel must be paral lel t o t he w or kpiec e. The workpi ece s houl d be cut sq uare f or thi s adj ustm ent t o be accurat e. Check and adj ust this paral l e li sm as follows: 1. M o v e the head f orw ard far enough that the workpiec e can be inserted bet w een f ence and chi s ...
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Jet Tools M-1791309 - page 15
15 Gib fo r F r o nt-to - Back Movemen t 1. Rem o v e the t w o screws on the pl eated dust cov er (F, Fi gure 18) and m o v e the dust cov er out o f t he way. 2. Loos en the t hree hex nuts (G , Fi gure 18) with a 10mm w rench. 3. T urn the t hree set screws (H, Figur e 18) with a 3m m he x wrench, unt il play is elim inat ed on the gib (J, Fi gu ...
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Jet Tools M-1791309 - page 16
16 Operation General operati ng pr oc edur e: 1. P osit ion workpi ece on tabl e and secure w it h clamp. 2. Set dept h stop. 3. For l ateral c uts, adjust posi tiv e s tops accor di ng to lengt h of cut. 4. P os it ion head f ront-t o-back and l aterally f or the first cut. I f m a king a l a tera l cut , make sure the Y- ax i s locking handl e is ...
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Jet Tools M-1791309 - page 17
17 Sh arpen ing Chisel and A uger The chi sel and auger shoul d be kept sharp f or best perf ormanc e. If cutti ng operati ons requi re ex cess iv e forc e, the chi s el and/or auger are probabl y dull and shoul d be s harpen ed. Bl unt edges wi ll giv e inac c ur at e m orti ses and can l ead to ov erheati ng and breakage of chisel or auger. If ch ...
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Jet Tools M-1791309 - page 18
18 Tr oubleshoot ing Trou ble Proba b le Ca use Re me dy No inc o m i ng power. Check all p lug c onnec ti ons. Fuse bl own, or c i rcuit breaker tripped. Repl ace fuse, or r eset ci rcuit breaker. Cord dam aged. Replac e cord. Mort iser will not star t . Motor bad. Contact W MH techni ca l servi ce. Ext ensi on cord too light or too long. Replac e ...
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Jet Tools M-1791309 - page 19
19 720HD Heav y Du t y Mor tiser ...
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Jet Tools M-1791309 - page 20
20 Par ts List: 720H D Heav y Du ty Mortiser Index No. Part No . Descrip t ion Siz e Qty 1 ............... 720 HD -1 01.............. Sta nd................................................................. .................................. .1 1 ............... 720 HD -1 01.............. Sta nd....................................................... ...
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Jet Tools M-1791309 - page 21
21 57 ............. 7 20 HD -157.............. Cy li nder Head .................................................... ................................... 2 58 ............. 7 20 HD -158.............. Cy li nder ............................................................. ................................... 1 59 ............. 7 20 HD -159............ ...
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Jet Tools M-1791309 - page 22
22 11 6 ........... 720HD-1116 ............ Allen Wren ch ..................................................... ................................... 1 11 7 ........... TS- 1514031 ............ Fla t H ead Socket Scr ew ..................................... M6x20 ........................ 2 11 8 ........... 720HD-1118 ............ Co v er ............ ...
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Jet Tools M-1791309 - page 23
23 El ectri cal Connections ...
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Jet Tools M-1791309 - page 24
24 WM H Tool Gr ou p 2420 Van tage D r i ve Elgin, Il linois 60123 Phone : 800-274-6848 www.wm h t oo lgroup.com ...
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