MTD 31AE663H401 manuale d’uso

IMPO RT AN T : Read saf ety rules a nd instructions ca refully bef o re operat ing equ ipment. MTD PR ODUCTS INC. P .O . B O X 3680 22 CLEVELAN D, O HIO 44136- 9722 S n ow T h row e r Models 31AE633 E401 31AE663H4 01 PRINTED IN U .S.A. Warning: This unit is equipped with an internal combustion engine and should not be used on or ne ar any unimprove[...]

2 TABLE OF CONTENTS Content Page Important Safe O peratio n Practi ces .... ............. ............. ................... ............. ..... 3 Assemb ling Your Sno w Thrower ............... ............. ............ ............. .................. 5 Know Yo ur Sno w Thrower .................. ............. ............. ................... ...[...]

3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES This symb ol point s out impor tant safe ty instru ctions whi ch, if not foll owed, co uld endange r the pers onal safety and/ or proper ty of your self and others. Rea d and follow al l instruc tions in th is manual be fore attempting to operate this machi ne. Failure to comply wi th these ins tructi[...]

4 chute. Ke ep all s afety dev ices in place and working . 5. Never run an eng ine indoors or in a poorly ventil ated area. Engine ex haust contains carbon mon oxide, an odorless and dea dly gas . 6. Do not operate m achine wh ile under the influ ence of alcohol or dru gs. 7. Muffler a nd engine be come hot and can cause a burn . Do not touc h. 8. [...]

5 SECTION 2: ASSEMBLING YOUR SNOW THROWER Unpacking • Remove s crews from th e top sides an d ends of th e ship ping cr ate. • Set panel aside to avoid ti re punctures or personal injury . • Remov e and disc ard plast ic bag that co vers uni t. • Rol l unit out of crat e. • Check c rate thoro ughly for loos e parts bef ore discardi ng. Lo[...]

6 • Secure the upper handl e and lower han dle with the two plasti c wing nuts, cupped was hers and car riage bolts previ ously remo ved. Att ach these ha rdware on the lower hole in the handl es. See F igure 3. NOTE: On mo del 633E , attac h the wi ng nut, cuppe d washer a nd carriage bolt in the lower hole on the right side only . The hard ware[...]

7 If the spiral on th e chute di rection al control c annnot be adjusted properly, fol low the steps below: • Loosen th e two hex nuts whi ch secure th e chute directi onal con trol support b racket (see Figu re 8) to the snow thr ower hou sing, b eside the discharge chute . Figure 8 • Remove the hairpin cli p and one flat washer from the lowe [...]

8 • Relea se t he aug er con trol. The cable should be straigh t. Make ce rtain yo u can depre ss the au ger control against the l eft handle co mplete ly. • If a djustm ent i s nece ssary , pr oceed as follow s: • Loosen th e jam nut and thre ad the cable in (for le ss slack ) or out (for mor e slack ) as nece ssary. See Figure 11. Fig ure 1[...]

9 SECTION 3: KNOW YOUR SNOW THROWER WARNING: Be f amiliar with all the controls and the ir proper oper ation. Kno w how to stop the mach ine and diseng age them qu ickly. Fig ure 13 Tracti on Control The tractio n control is located on the r ight handl e. Squeeze the tracti on cont rol to enga ge the whee l drive. Release to stop . Auger C ontrol L[...]

10 Chute Tilt Co ntrol The dist ance snow is thrown can be adjusted by adjustin g the angle of the chute asse mbly. Mov e the chute tilt c ontrol for ward to dec rease the di stance, an d towards th e rear to incr ease the distan ce. Discharge Chute The angle of the discha rge ch ute contro ls the dista nce that the sn ow is thrown . Tilt the disc [...]

11 • When di sconnecti ng the power c ord, alwa ys unpl ug from the t hree-pron g recepta cle first , and then fr om the snow thrower . Recoil Starter • Rotate cho ke knob to FU LL choke posi tion (col d engin e start). • If engine is warm, plac e choke in OFF position inste ad of FULL. • Push prim er butto n two or three times for cold eng[...]

12 SECTION 5: MAKING ADJUSTMENTS WARNING: NEVER a ttempt to clean chute o r make any adju stment s while engine is runni ng. Chute Assembly The dist ance snow is thrown can be adjusted by changing the angle of t he chute assem bly. Refer to Chute Tilt C ontrol on page 10. Skid Sh oe The space bet ween shave plate and gro und can be adjusted by rais[...]

13 Drive Whee ls The wheel s may be adju sted for two di fferent meth ods of operati on. The adju stment is made by placi ng the click pins in one of two different ho les on the right s ide of the u nit. S ee Fi gure 16 . One Wh eel Dr ivin g — Inser t t he click pin on ly through the out side hole of the axl e (not the r im) on the r ight side o[...]

14 operatio n, remo ve rear cov er. Lubri cate any ch ains, sprock ets, ge ars, bearin gs, sha fts, and shi fting mechani sm at l east on ce a season . Use engine oil or a spray l ubrican t. Avoid gett ing oil on ru bber fric tion wheel an d alu minum d rive p late. Refe r to F igure 14. Gear Ca se The gear cas e is lubr icated with grease at the f[...]

15 Fig ure 21 • Unhook the idler spri ng from the hex bolt on the auger hous ing. See F igure 22. • Back ou t the stop bolt un til the suppo rt bracket rests on the auger pulley. Se e Figure 23. NOTE: It ma y be neces sary to loosen the six nuts tha t conne ct the fr ame to the a uger housing t o aid in b elt remova l. • Lift the re ar auger [...]

16 Fig ure 24 • Lightly tap the hex nut to di slodge the ball bearing from the right s ide of frame befor e removing the hex nut and bell wa sher from left end of shaft . • Move the gear sh aft to the right an d slide t he friction wheel ass embly fro m the shaft. • Remove the six screws fr om the friction wheel assembl y (three from each sid[...]

17 SECTION 9: TROUBLESHOOTING Problem Cause Remedy Engine fails to start 1. Fuel tank empty, or s tale fuel. 2. Blocke d fuel li ne. 3. Choke no t in ON posit ion 4. Faulty spark plug. 5. Safety key not in ign ition switc h on engine. 6. Spark pl ug wire disco nnected. 7. Primer button not being used pr operly . 8. Fuel shu t-off valve ( if equippe[...]

18 SECTION 10: PARTS LIST FOR MODELS E633 AND E663 2 12 17 15 13 3 25 22 14 16 9 23 29 24 1 26 28 18 7 12 20 6 21 15 A A 5 4 18 11 29 9 19 10 12 20 44 35 32 48 45 35 32 33 44 45 46 49 32 72 36 38 51 32 11 42 43 43 42 11 69 47 31 40 34 37 B B 54 62 55 66 59 53 63 64 59 55 65 60 4 54 52 61 55 56 57 8 68 74 76 73 67 75 70 39 39 78 11 20 14 16[...]

19 Models E633 and E663 Ref . No. P a rt No. P ar t D escription 1. 684-0008 A Shift Ar m Assembly 2. 684-0053 A 705-5204 A Lower Chute Crank (E663) Chute Crank Ass ’ y (E63 3) 3. 705-5266 Chute Cra nk Bracket 4. 710-0262 Carriage Bolt, 5/16 -18 x 1. 5 5. 710-0449 Carriage Bolt, 5/16 -18 x 2. 25 6. 710-0788 Self Tapp ing Screw, 1 /4-20 x 1 7. 710[...]

20 Models E633 and E663 8 27 33 40 22 29 20 28 38 33 6 27 39 6 27 10 35 29 22 28 23 5 14 21 10 13 15 4 25 1 18 32 3 31 11 20 19 37 8 30 2 13 17 24 36 12 7 34 8 6 (Drive Clutch Ca ble) NOTE: A xle goe s here for 16 ” wheels only NOTE: On units with 16 ” wheels , cable i s route d under a xle.[...]

21 Models E633 and E663 Ref. No. P ar t No. P ar t Descr iption 1. 656-0021A Friction W heel Di sc Asse mbly 2. 684-0013B Shift Rod Assembly 3. 684-0021 S upport Brac ket: Frict ion Wheel 4. 684-0042C Bearing Assem bly: Friction Wheel 5. 710-0538 He x Bolt: 5/ 16-18 x .6 25 ” 6. 710-0599 S elf-Tappin g Screw 1/4-2 0 x 0.5 ” 7. 710-0809 S elf-Ta[...]

22 Models E633 and E663 1 2 3 4 5 6 7 8 9 10 11 12 14 15 13 16 10 9 18 19 20 21 22 23 13 25 23 22 26 18 27 28 13 30 30 31 32 31 32 33 16 18 35 34 36 37 38 39 41 40 42 17 40 39 29 24[...]

23 Models E633 and E663 Ref. No. P ar t No. P ar t D escription 1. 712-0116 Lock Jam Nut 3/8-24 2. 756-0178 Flat Idle r 3. 784-5632A Auger Idle r Arm 4. 710-0459A Hex Cap Screw 3/8-2 4 x 1.50 5. 738-0281 Shoulder Scre w 6. 736-0174 Wave Washe r 7. 732-0611 Extensio n Spring 8. 712-3068 Hex Nut 5/16-18 9. 712-3010 Hex Nut 5/16-18 10. 736-0119 Lock W[...]

24 Model E633 1 2 3 4 5 6 7 4 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Ref. No. Part No. P ar t Desc ription 1. 710-0599 Hex Washer Screw 1/4-20 x.5 2. 731-1324 Belt Cover 3. 732-0339 Extension Sprin g 4. 710-0627 Hex Screw 5/16 -24 x .75 5. 710-3005 Hex Cap Screw 3 /8-16 x 1. 25 6. 05896A Drive Cl utch Bracket 7. 748-0234 Shoul[...]

25 Model E663 2 3 4 5 6 7 4 8 9 10 11 12 13 15 14 16 17 18 19 20 16 16 21 22 23 24 25 26 27 1 Ref. No. P ar t No. Part Description 1. 710-0599 Hex Washe r Screw 1/4-2 0 x .50 2. 731-1324 Belt Cov er 3. 732-0710 Extension Spring 4. 710-0627 Hex Screw 5/16-24 x .7 5 5. 710-3005 Hex Cap Screw 3/ 8-16 x 1.2 5 6. 05896A Driv e Clutch Id ler Bracke t 7. [...]

26 Model E633[...]

27 Model E663[...]

MANUF A C TURER ’ S LIMITED W ARRANTY FOR: The l imit ed warr anty set for th below is given by MTD PRODUCTS INC ( “ MTD ” ) with respe ct to ne w mercha ndise purchase d and used in the Uni ted States , its pos sessions and ter r itories . MTD war rants this product agains t defec ts in material and workman ship for a period of two (2) ye ar[...]