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Yard-Man 31AH553G401 manual

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Table of contents for the manual

  • Page 1

    Model 31AH553G401 PR IN TED IN U . S. A. FORM NO . 770-1002 8B (10/2000 ) ECO No . 12 81 O PERA T OR’S M ANU AL IMPORT ANT : READ SAFETY R ULES AND INSTRUCTIONS CAREFULL Y MTD PRO DUCTS INC. P .O . BO X 368022 CLEVELAND , OHIO 44136-9722 Warning: This unit is equipped with an internal combustion engine and should not be used on or ne ar any unimp[...]

  • Page 2

    2 TABLE OF CONTENTS Content Page Important Safe Ope ration Practice s .... .................... ............ .................... ........... 3 Assemb ling Your Sno w Thrower ............... ............. ............ .................... ........... 5 Know Yo ur Sno w Thrower .................. ............. ................... ............. .....[...]

  • Page 3

    3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES This symb ol point s out impor tant safety i nstruct ions whic h, if not followe d, coul d endanger the persona l safety and/ or proper ty of your self and othe rs. Read and fo llow all ins tructi ons in this manual be fore attempting to operate t his machine. Failure to comply with the se instr uctio[...]

  • Page 4

    4 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 become hot and c an cause a b urn. Do not touc h. 8. Exercise extreme ca ution w hen operat ing on or crossin [...]

  • Page 5

    5 SECTION 2: ASSEMBLING YOUR SNOW THROWER Unpacking • Remove s crews from th e top sides an d ends of the 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 unit. • Rol l unit out of crat e. • Check c rate thorough ly for loos e parts befor e discardi ng. Loos[...]

  • Page 6

    6 • Slide th e shift rod conn ector down ov er the end of the lower shift rod. Se e Figu re 4. Ta p the c onnector until i t locks on the lower shift rod. NOTE: If the c onnector is not pr operly assemb led, the shift rod will pivot and you will not be able to change direction or speed of the s now thrower. Figure 4 • If not alr eady attach ed,[...]

  • Page 7

    7 Figure 7 • Rechec k adjustme nt; readju st as neces sary and tighte n the jam nut. Skid Shoe The spac e between the shave pla te and the gro und can be adjuste d by repos itioning th e skid sho es. For close snow remov al, place skid shoes in the lo w position. Use middle or hig h position when area to be cl eared is uneve n. See Figure 8. When[...]

  • Page 8

    8 SECTION 3: KNOWING YOUR SNOW THROW ER WARNI NG: B e famili ar with al l the con trols an d their p roper oper ation. Kn ow how to stop the ma chine and disen gage them quickly. • See Figur e 9 to identify all the control s descr ibed below. Figure 9 Tract ion Cont rol / Auger Control Loc k The tractio n control is located on the r ight handl e.[...]

  • Page 9

    9 Electric Chute-Rotation Switch The ele ctr ic chut e-rotati on switch is located o n the left side of t he snow thr ower han dle panel . To chang e the direct ion in which dischar ged snow is thrown, proc eed as follo ws: • Push th e toggle s witch to the lef t to rotate the ch ute count erclockwi se. • Push the to ggle switc h to the right t[...]

  • Page 10

    10 SECTION 4: OPERATING YOUR SNOW THROWER Before Starting WARNING: Read, u nderstand, an d follow all instr uctions and warni ngs on the ma chine and in this ma nual befor e operating . • The s park pl ug wire was discon nected f or safe ty. Attach sp ark plug wi re to spa rk plug be fore star ting. • Make cer tain the aug er and driv e clutch [...]

  • Page 11

    11 • Recoil Star ter: Wi th engine ru nning, p ull start er rope with a rapi d, continuo us full arm str oke three or four tim es. Pulling th e starter rope will prod uce a loud clatt ering sou nd, which is not ha rmful to the engine o r star ter. • Wipe all snow and mois ture fro m the carburet or cove r in the area of the c ontrol lev ers. Al[...]

  • Page 12

    12 SECTION 5: MAKING ADJUSTMENTS WARNING: NEVER a ttempt to clean chute o r make any adjust ments whi le engine is runni ng. T raction Control Refer to Final Adjustments on page 6 to adjus t traction control . If you want to check further for correc t adjustme nt, proceed as follows: WARNING: Drain the gasoli ne out of your snow th rower ’ s engi[...]

  • Page 13

    13 SECTION 6: MAINTAINING YOUR SNOW THROWER Before lu bricati ng, repair ing, or in specting , disengag e all cl utch leve rs and sto p engine. Wait un til all movin g parts hav e come to a complete stop. Dis connect spark plu g wire and gro und it against the e ngine to preve nt unintende d starting . Lubrication Gear Sh aft Lubricate the gear sha[...]

  • Page 14

    14 SECTION 7: SERVICING YOUR SNOW THROWER WARN ING: Befo re servi cing, repa iring, or insp ecting, d isengage all clutch lever s and stop e ngine. Wa it until all mo ving par ts have come to a compl ete stop. Disc onnect spar k plug wir e and ground i t against the engine to prevent unintend ed star ting. Augers The augers are secured to the spira[...]

  • Page 15

    15 • Unhook the idler spri ng from the hex bol t on the auger hous ing. See Figu re 19. • Back ou t the stop bolt un til the suppo rt bracket rests on the auger pulley. Se e Figure 20. NOTE: It ma y be neces sary to loosen the six nuts tha t conne ct the fr ame to the a uger hou sing t o aid in b elt remova l. • Lift the re ar auger belt fr o[...]

  • Page 16

    16 • Holding the frictio n wheel ass embly, sl ide the hex shaft out of the l eft side of the fr ame. See Figur e 21. The s pacer on the r ight side of the hex sh aft will fall and the s procket should re main hangin g loose in th e chain . • Lift the frict ion whee l assembly ou t between th e axle shaf t and the driv e shaft ass emblies . •[...]

  • Page 17

    17 SECTION 9: TROUBLESHOOTING Proble m Caus e Rem edy Engine fai ls to sta rt. 1. Fuel tan k empty , or stale fuel. 2. Blocked fuel lin e. 3. Choke not in ON positio n 4. Faulty sp ark plug. 5. Safety k ey not in i gnition s witch on e ngine. 6. Spark plug wire dis connected. 7. P rimer butt on not bei ng used prop erl y. 8. Fuel sh ut-off val ve c[...]

  • Page 18

    18 SECTION 10: PARTS LIST FOR MODEL 31AH553G401 14 10 2 14 12 16 3 20 5 5 45 58 66 61 60 62 66 58 63 67 65 58 57 58 55 54 5 8 13 17 11 22 5 21 18 4 1 11 15 19 52 7 14 49 42 27 36 For referen ce onl y 44 30 28 32 44 48 10 23 38 35 35 39 9 43 26 25 31 40 41 9 50 24 37 For refere nce onl y 31 45 9 51 40 46 47 53 59 29 68 69 69 27 82 70 72 72 73 27 68 [...]

  • Page 19

    19 MODEL 31AH553G401 Ref. No. P ar t No. P ar t Descrip tion 1. 684-0008 A Shift Arm Assem bly 2. 710-0262 Carriag e Bolt 5/1 6-18 x 1.5 ” 3. 710-0449 Carriag e Bolt 5/1 6-18 x 2.25 ” 4. 710-0788 TT Screw 1 /4-20 x 1 ” 5. 710-0837 C-Sunk Screw #1 0-16x 0.625 ” 7. 710-3008 Hex Screw 5/16-18 x .75 ” 8. 711-0677 F errule 10. 712-3 010 Hex Nu[...]

  • Page 20

    20 MODEL 31AH553G401 1 2 3 4 5 6 7 8 9 10 11 12 14 15 13 16 10 21 22 23 25 23 22 26 18 27 28 13 30 31 32 33 16 18 35 34 36 37 38 39 41 40 42 17 40 39 29 24 20 NOTE: For painte d parts , plea se r efe r to the list of c olor codes below. Pleas e add the appl icable color c ode, whe rever needed, to the part number to ord er a replacem ent part. Fo r[...]

  • Page 21

    21 MODEL 31AH553G401 Ref. No. P ar t No. P ar t Descrip tion 1. 712-0116 Lock J am Nut 3/ 8-24 2. 756-0178 Flat Idler 3. 784-5632 A Auger Idler Arm 4. 710-0459 A Hex Cap Sc rew 3/8-24 x 1.50 5. 738-0281 Shoulder Screw 6. 736-0167 Flat Washe r 7. 732-0611 Extensi on Spring 8. 712-3068 Hex Nu t 5/16-1 8 9. 710-0276 Carriag e Bolt, 5/1 6-18 x 1.00 10.[...]

  • Page 22

    22 MODEL 31AH553G401 1 1 2 3 4 5 6 7 4 8 9 10 11 12 13 14 15 16 17 18 19 19 16 16 16 20 21 22 23 24 25 26 27 28 29 30 IMPORTANT: For a pro per work in g mach ine, use Fa ctory Approv ed Parts . V-BELTS are sp ecially de s igned to en gage and diseng age safely . A subs titute (no n OEM ) V-Belt c an be da ngerous by not dis eng aging c omplete ly N[...]

  • Page 23

    23 MODEL 31AH553G401 Ref. No. P art No. P ar t Description 1. 710-1652 Hex Wash er Screw 1 /4-20 x .625 2. 731-1324 Belt Cov er 3. 732-0710 Extensio n Spring 4. 710-0627 Hex Screw 5/16-24 x .75 5. 710-3005 Hex Cap Screw 3/ 8-16 x 1.2 5 6. 05896A Drive Cl utch Idler Bra cket 7. 748-0234 Shoulder Sp acer 8. 756-0987 Pulley Hal f 9. 754-0346 V-Bel t 1[...]

  • Page 24

    24 MODEL 31AH553G401 10 10 10 35 45 48 8 8 30 16 34 12 1 9 25 53 13 28 21 41 14 50 7 42 50 26 15 27 22 29 4 38 32 34 37 21 36 34 31 39 40 8 45 35 47 52 8 35 45 50 46 13 20 8 5 31 43 20 31 13 36 34 31 50 37 21 19 28 21 13 41 8 16 30 49 8 34 8 12 2 25 38 32 3 34 44 18 17 23 6 33 51 10 24 34 54 55 NOTE: Ac tual posi tion of the stee ring contr ols on [...]

  • Page 25

    25 MODEL 31AH553G401 Ref. No. P ar t No. P ar t Descrip tion 1. 618-0043 Dogg Ass embly: RH 2. 618-0044 Dogg Ass embly: LH 3. 618-0303 B Drive Sha ft Assembly 4. 656-0012 A Friction Wheel: Di sc Assembl y 5. 684-0014 B Shift Rod Ass embly 6. 684-0042 C B earing: Friction Whee l 7. 684-0131 A Support Bracket: Friction Wheel 8. 710-0599 TT Screw: 1 /[...]

  • Page 26

    26 MODEL 31AH553G401[...]

  • Page 27

    27 Yo u r N o t e s Comm ents Date[...]

  • Page 28

    MANUF A CTUR ER ’ S LIMITED W ARRANTY FOR: The l imit ed warr anty se t for th be low is given by MTD PRODUCTS INC ( “ MTD ” ) with respe ct to ne w mercha ndise purchase d and us ed in the United States , its pos sessio ns and ter r itories . MTD war rants this product agai nst def ects in material and workman ship f or a period of two (2) y[...]