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Ariens 939003-ST520E - page 1
Owner/Operator Manual Models 939003 – ST520 E Sno-Thro ® 02954900 5/07 Prin ted in U SA ENGLI SH FRANÇAIS ...
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Ariens 939003-ST520E - page 2
GB - 4 SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 ASSEMBL Y . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 CONTROLS AND FE A TURES . . . . . . . . . . . . . . . 1 1 OPERA T ION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 MAINTENA NCE . . . . . . . . . . . . . . . . . . . . . . . . ...
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Ariens 939003-ST520E - page 3
GB - 5 1. Read an d understand al l assemb ly instruc tions in this ma nual. If you do no t unders tand or have difficulty followin g the in structi ons, con tact your neares t Arien s Dealer for assis tance. Ma ke sure all as sembly has been p roperly com pleted . NOTE: T o locat e your near est Arien s Dealer , go to www .ariens.com on the inte r ...
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Ariens 939003-ST520E - page 4
GB - 6 1. W ARNING! 2. DANGER! 3. DANGER! SAFETY RULES Read, u nderstand, and fo llow a ll safety practice s in Owner/Ope rator Man ual before beginning ass embly or operatin g. Fail ure to fol low instr uctions c ould res ult in persona l injury and/or dam age to uni t. AL WA YS remove key a nd/or wir e from s park plug before as sembly , maintena ...
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Ariens 939003-ST520E - page 5
GB - 7 NEVER o perate un it after or dur ing the use o f medica tion, d rugs or al cohol. S afe ope ration r equires your com plete and unimpaired attentio n at al l times. NEVER a llow anyone to operate this unit whe n their alertn ess or coordin ation is impaired . DO NOT operat e unit without wea ring adequate wi nter outer ga rments. Wear adequ ...
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Ariens 939003-ST520E - page 6
GB - 8 Keep uni t free of ic e or othe r debris. Cl ean up oil or fuel spills . This product is equip ped wit h an in ternal comb ustio n type en gine. DO NO T use uni t on or ne ar any uni mp rove d, fo r est-c over ed or br ush co vere d lan d unle ss exha ust system is equi pped wi th a spark arreste r meeti ng app licable local , state or feder ...
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Ariens 939003-ST520E - page 7
GB - 9 PACKAGE CONTENT S ASSEMBLY T ools Required: •P l i e r s • Open- End Wrenches : 3/8, 7/1 6, 1/2, 9/16 in. and /or A djustable Wrench • T ire G auge Unfold Handlebar (Figure 4 ) 1. Remove the lowe r and loose n the upper hardwar e on the h andleb ar assemb ly . 2. Rotate the handlebar s into o perating position . 3. Install and tig hten ...
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Ariens 939003-ST520E - page 8
GB - 10 Inst all Discharge Chute Crank (Figures 3 and 6) 1. Slide chute crank th rough c rank su pport br acket. 2. Connect the ch ute crank to the pi nion gear on chute w ith sprin g clip. Check Tir e Pressure Check tire pressu re and adjus t to the p ressure lis ted on tire si dewall. Check Auger Gearcase Oil Check oi l level in aug er gearca se ...
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Ariens 939003-ST520E - page 9
GB - 1 1 1. Attachment Cl utch Lever 2. T raction Dr ive Clutch L ever 3. Chute Cran k 4. Discharge Chute De flector 5. Discharge Chute 6. Impeller 7. Auger 8. Scrape r Blade 9. Auger G earcase 10. Cle an-out T ool 1 1. Oil Fil l and Dipstic k 12. Gas T a nk and Cap 13. E lectric S tart er 14. Recoi l S tarter Handle 15. P rimer Bulb 16. O il Dr ai ...
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Ariens 939003-ST520E - page 10
GB - 12 CONTROLS AND FEA TURES See F igure 7 for all Control s and Featur es locati ons. T raction Drive Clutch - Lef t Hand Lever IMPORT ANT : Do not " feather" the tractio n drive cl utch to control speed or run the unit with t he traction drive clutch parti ally engag ed. Continue d use with the traction drive c lutch parti ally engage ...
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Ariens 939003-ST520E - page 11
GB - 13 T o clear the disc harge c hute: 1. Shut off the en gine. 2. W ait 10 seco nds and m ake sur e impell er blade s have s topped ro tating. 3. Remove the snow clean-out tool (1) fr om the auger ho using and u se it to remo ve the clog from the dis charge chu te. 4. Replac e the snow cl ean-out to ol on t he auger housin g. Discharge Chute Def ...
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Ariens 939003-ST520E - page 12
GB - 14 T O STOP IN AN EMERGENCY Imme diately r elease both contro l leve rs to stop unit in an em ergency . S top engine , remove key and wait for all r otating parts to stop before le aving op erator ’s position. ST ARTING AND SHUT OFF IMPORT ANT : Allo w unit a nd engine to adju st to the out door t empe ratur e bef o re cl eari ng snow . Be f ...
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Ariens 939003-ST520E - page 13
GB - 15 Tip s for Operat ion Snow is best removed as soon as possible a fter snow fall. T o clear an area , run unit in an o verlappin g serie s of paths. For l arge areas , start in the mi ddle and throw snow to each sid e, so snow is not cle ared mor e than once. AL W A YS direct snow away fro m area to be cleared and with dir ection of th e wind ...
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Ariens 939003-ST520E - page 14
GB - 16 If clutc hes do not eng age or diseng age proper ly , adjust or rep air bef ore op erati on (s ee Attachment Clutch /Brake Ad justment on page 18 or T ract ion Driv e Clutch Adjust ment on p age 19 ). CHECK C LUTCH SPRING ADJUSTMENT Make s ure the a ttachment clutch and trac tion drive clutc h are adjus ted to the r ange spec ified i n Att ...
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Ariens 939003-ST520E - page 15
GB - 17 SCRAPER BLADE IMPORT ANT : Damage to auge r/impel ler housin g will result i f blade wea rs down too fa r . Scra per blad e is adju stable to compen sate fo r wear . T o adj ust scr aper bla de: 1. T ip un it back onto handl ebar , support hou sing and loo sen nu ts retaining blade. 2. Adjus t runner s to fu lly rais ed positi on (hous ing ...
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Ariens 939003-ST520E - page 16
GB - 18 DISCHARGE CHUTE If ch ute does n ot stay in po sition while op erating, tighten nut on car riage b olt at piv ot point to increase tensio n on sp ring (F igure 14). ATTACHMENT CLUTCH/BRAKE ADJUSTMENT 1. Check attachm ent cl utch lev er meas ur eme nt. a. St art engin e and run at full throttle . b. S lowly s queeze the attachmen t clut ch l ...
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Ariens 939003-ST520E - page 17
GB - 19 4. Remove two scre ws se curing belt cover to unit and re move belt cove r . 5. Adjus t the attach ment id ler pos ition. a. Lo osen attachm ent idler nut (Figu re 21 ). b. T o i ncrease d istance betwe en clutch l ever and handl ebar , move th e idler towards th e attachment be lt. c. T o dec rease th e distance be tween the c lutch lever ...
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Ariens 939003-ST520E - page 18
GB - 20 ATTACHMENT DRIVE BELT REPLACEMENT Remove Att achm ent Drive Belt (Figur es 20 and 21) 1. Shut off engi ne, remov e key , disc onnect s park plug wi re and al low unit to cool complete ly . 2. Remove two scre ws se curing belt cover to unit and re move belt cove r . 3. Remove sp ring pin from chute crank and seper ate (Figur e 20). 4. Remove ...
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Ariens 939003-ST520E - page 19
GB - 21 T RACTION DRIVE BELT REPL ACEM ENT NOTE: Housing a nd frame m ust be tip ped apart and attachment d rive be lt removed from engi ne she ave in order to change tractio n drive bel t (Fig ures 20 and 21). 1. Shut off engi ne, remov e key , disc onnect s park plug wi re and al low unit to cool complete ly . 2. Remove attachm ent driv e belt (S ...
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Ariens 939003-ST520E - page 20
GB - 22 Keep al l nuts, bolts and screws p roperly ti ghtene d and know unit is in sa fe workin g cond ition. S tore uni t in a coo l, dry p rotected area. LONG T ERM Clean un it thorou ghly w ith mild soap a nd low press ure water an d lubrica te (see M aintenanc e). T ouch up all scra tch ed pain ted surf ac es. Remove weight fro m wheels by putt ...
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Ariens 939003-ST520E - page 21
GB - 23 TROUBLESHOOTI NG PROBLEM PROBABLE CAUSE CORRECTION Engine will not crank/st art. 1. Fuel t ank is em pt y . 2. Build up of di rt and residu e around governo r/carb uretor . 3. Key Sw itch no t in r un positi on. 4. Electric starter no t function ing. 1. Fill fu el tank. 2. Clean a rea aro und gover nor/carbu retor . 3. Put Key Sw itch into ...
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Ariens 939003-ST520E - page 22
GB - 24 SPECIFICA TIONS Model Number 939003 Descriptio n ST520E Engine - T ecumseh LH195SA Engine P ower – hp (kW) at Maxi mum RP M 5.0 (3.7) Fast Idle S peed-RP M (min -1 ) 360 0 ± 150 Displac ement - in. ( cc) 1 1.88 (19 5) El ec tri c St art 120V Fuel See Engin e Manu al T a nk Capacity - qt. (L) 2.0 (1.96) Snow Clearing Wid th - in. (cm) 20 ...
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Ariens 939003-ST520E - page 23
Arie ns Company • 655 W. Ryan St , P.O. Bo x 157 • Brilli on, WI 541 10-0157• (920) 75 6-2141 • w ww.ariens .com AL W2 - 59 07 Ariens Limited Warranties 2-Year Limited Lawn and Garden Consumer Warranty Ariens Com pany (A riens) warr ants to the original purchas er that Ariens and Gr avely bran d consum er products manufactured by Ariens Co ...
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Ariens 939003-ST520E - page 24
Ariens Com pany • 655 W. Ryan S t, P.O. Bo x 157 • Bri llion , WI 54 110-0157 • (920) 756-2141 • www.ariens.c om AL W2 - 5907 Exceptions, Limita tions, Exclusions These wa rranties are subjec t to the fol lowing co nditions , limitations, a nd excl usions: T o obt ain wa rranty serv ice, th e foll owing condi tions must be met: • The purc ...
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Ariens 939003-ST520E - page 25
Ari ens Co mpany 655 W est Ryan S treet P. O . B o x 1 5 7 Brillion, WI 541 10-01 57 920-756-2 141 Fax 920-7 56-240 7 www .ariens.com ...
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