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MTD 31AH5C3F401 - page 1
Snow Thrower Models 31AH5C3F40 1 31AH5Q3G401 OPERA T OR’S MANU AL PRINTED IN U.S .A. FORM NO . 770-100 28D.fm (5/01) IMPORT ANT : READ SAFETY RULES AND INSTR UCTIONS 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 ...
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MTD 31AH5C3F401 - 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 .................. ............. ................... ............. ..... ...
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MTD 31AH5C3F401 - page 3
3 SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symb ol points ou t impor tant safety instructio ns which, if not follow ed, could endanger the p ersonal safety a nd/or pr operty o f yoursel f and others. Read a nd follow all instructi ons in this man ual before at temptin g to operate this machine. F ailure to com ply with thes e ins ...
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MTD 31AH5C3F401 - page 4
4 3. The clut ch le vers mus t operate easily in both d irectio ns and autom atica lly return to the dise ngaged pos ition when released . 4. Never operate with a miss ing or da maged discharge 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 mo ...
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MTD 31AH5C3F401 - page 5
5 SECTION 2: ASSEMBLING YOUR SNOW THROWER NOTE: Any refer ence in this manu al to the left or righ t side of the s now throwe r is obse rved from the operator ’s position . Unpacking • Remove s crews from the top s ides and end s of the ship ping crat e. • Set panel aside to avoid ti re punctures or personal injury . • Remove an d discar d ...
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MTD 31AH5C3F401 - page 6
6 Final Adjustments Auger C ontrol Adjustme nt Check the ad justment of th e auger con trol as follows : • Push for ward on the aug er contr ol until the s mall rubber bumpe r contac ts the upper ha ndle. There should be s lack in the cable. See Figure 5 . • Rele ase the auge r co ntrol . The cabl e should be straigh t. Make cer tain you ca n d ...
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MTD 31AH5C3F401 - page 7
7 • Rechec k the adjust ment and r epeat adjustme nt as necessar y. • Retig hten the jam nut to secure the cable when corre ct adjustm ent is reached . NOTE: If you are unc ertain that y ou have r eached the correct adj ustment, refer to Tr action Contr ol Adjustm ent in Adj ustment Se ction. SECTION 3: KNOW YOUR SNOW THROWER Figure 7 WARNING: ...
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MTD 31AH5C3F401 - page 8
8 Electric C hute-Rotation Switc h The ele ctr ic chut e-rotation s wit ch is locate d on t he left side of t he snow thr ower dash panel. See Figur e 7. To chan ge the direc tion in w hich dis charged s now is thr own, proc eed as fo llo ws: • Push th e toggle sw itch to the left to rotate the chute count erclockwi se. • Push the to ggle switc ...
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MTD 31AH5C3F401 - page 9
9 WARNING: The electric st arter is equipped with a grounded three-wire power cord and p lug and is des igned to operate on 120 volt AC household current . It must be us ed with a properly grounded three- prong receptacle at all times to avoid the possibility of elect ric shock. Foll ow all inst ructions ca refully prior to ope rating the elect ric ...
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MTD 31AH5C3F401 - page 10
10 WARNING: The temperature of the muffler and the su rrounding areas may e xceed 150 ° F. Avoid th ese are as. • For the mos t effici ent snow rem oval, r emove snow immed iately afte r it falls. • Discha rge the snow d ownwind wheneve r poss ible. • Slightl y overl ap each previ ous pat h. • Set the sk id shoes 1/4 " below the sh av ...
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MTD 31AH5C3F401 - page 11
11 • Reconne ct the upper shi ft rod to the lower shift rod by re inserting the ha irpin clip rem oved earlie r and slidin g the sh ift rod c onnector back do wn into pla ce. IMPORT ANT : Make certain to check for co rrect adjustme nt of the shift rod as instructed under Final Adjustm ents in the Assemb ly Sectio n, before ope ratin g the snow th ...
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MTD 31AH5C3F401 - page 12
12 Fig ure 1 1 Gear Ca se The gear cas e is lubr icated with grease at the fa ctory and it does no t require checkin g. If disass embled for any reason, l ubricat e with 2 ounces of Shell Al vania grease EPR0 0, part numbe r 737-0168. Be fore reasse mbling, remo ve old seal ant and app ly new sealant. S ee SECTION 7:. IMPORT ANT : Do not overfill t ...
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MTD 31AH5C3F401 - page 13
13 Fig ure 1 3 • Remove the six self -tapping screw s from the fr ame cove r underneath th e snow throwe r. • Roll the fr ont and rear auge r belts off th e auger drive pulley . See Fi gure 14 . Fig ure 1 4 • Unhook the idler spri ng from the hex bol t on the auger hous ing. See F igure 14. • Back ou t the stop bolt un til the suppo rt brac ...
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MTD 31AH5C3F401 - page 14
14 • Remove the click pin tha t secures the left whe el to the axle and slide the wheel fr om the axle. • Remove the four screws securing the left dr ive cove r to the frame . Remove the drive co ver. See Figure 16. Fig ure 1 6 • Holding the frictio n wheel ass embly, slide the hex shaft out of th e left s ide of th e frame. The spac er on th ...
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MTD 31AH5C3F401 - page 15
15 SECTION 8: TROUBLE SHOOTING 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 i n igniti on switch on eng ine. 6. Spark plug wire disc onnected. 7. P rimer butt on not being used prop erly. 8. Fuel sh ut-off val ve clo ...
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MTD 31AH5C3F401 - page 16
16 Notes ...
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MTD 31AH5C3F401 - page 17
17 2 12 4 6 7 10 9 14 11 8 16 1 3 15 Models H5C3F & H5Q3G 5 13 3 17 Ref . No. P art No. P ar t Description 1. 618-0123 RH Hou sing 2. 618-0124 LH Housing 3. 710-0642 Self T apping Scre w , 1/4-20 x .75 4. 711-0909 A Spir al Axle , 26” (H5 C3F) 711-0910 A Spir al Axle , 28” (H5 Q3G) 5. 714-0161 Hi-Pro K ey , 3/16 x 5/8 6. 715-0143 Spring Spi ...
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MTD 31AH5C3F401 - page 18
18 Models H5C3F & H5Q3G 14 10 2 14 12 16 3 20 58 66 61 60 63 67 65 57 58 55 54 8 17 11 22 21 18 4 1 11 15 19 52 7 14 23 38 35 35 39 9 43 26 25 31 40 41 9 50 24 37 31 45 9 51 40 46 47 53 59 29 68 69 69 27 82 70 72 72 73 27 68 71 74 27 56 64 76 77 78 79 11 15 75 81 27 83 80 13 13 57 58 58 66 62 5 5 For Reference Onl y For Reference Onl y 42 27 85 ...
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MTD 31AH5C3F401 - page 19
19 Models H5C3F & H5Q3G Ref. No. P art No. P art Des cription 1. 684 -0008 A S hift Arm A ssem bly 2. 7 10-0458 Carriage Bolt 5/16-1 8 x 1.75” 3. 7 10-0449 Carriage Bolt 5/16-1 8 x 2.25” 4. 7 10-0788 TT Screw 1/4-20 x 1” 5. 7 10-0837 C-Sunk Screw #10-16x 0.625” 7. 710 -1880 Hex Screw 5 /16 -18 x .75 ” 8. 711- 0677 Fer rule 9. 7 12-042 ...
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MTD 31AH5C3F401 - page 20
20 Models H5C3F & H5Q3G 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 9 19 ...
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MTD 31AH5C3F401 - page 21
21 Models H5C3F & H5Q3G Ref. No. P art No. P art Description 1. 712-011 6 Lock J am Nut 3/8- 24 2. 756-0 178 Fl at Idl er 3. 784-5632A Auger Idler Arm 4. 710-0459A Hex Cap Screw 3/ 8-24 x 1.5 0 5. 738-0281 Shou lder Screw 6. 736-0167 Wave Washer 7. 732-0611 Exte nsion Spring 8. 712-3068 Hex Nut 5/16-18 9. 7 10-0 276 Ca rri age Bo lt, 5/ 16-1 8 ...
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MTD 31AH5C3F401 - page 22
22 Models H5C3F & H5Q3G 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 31 32 33 34 35 IMPORTANT: For a prop er worki ng machi ne, us e Factory Approved Parts. V-BELTS are sp ecially designe d to en gage and d iseng age safely . A substi tute (non O EM) V-Bel t can be d angerous by not dis engagi n ...
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MTD 31AH5C3F401 - page 23
23 Models H5C3F & H5Q3G Ref. No. P ar t No. P ar t Description 1. 710- 1652 Hex Washer Scr ew 1/4-20 x .625 2. 731-1324 Belt Cover 3. 732- 0710 Exte nsion Spri ng 4. 710-062 7 Hex Screw 5/16-2 4 x .75 5. 710-3005 Hex Cap Screw 3/8-16 x 1.25 6. 05 896 A Driv e Cl utch I dler Brack et 7. 74 8-02 34 Sho uld er Spac er 8. 756-0987 Pulley Half 9. 75 ...
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MTD 31AH5C3F401 - page 24
24 Models H5C3F & H5Q3G 7 27 15 28 44 29 23 8 11 11 36 47 11 50 52 11 3 33 37 33 37 10 9 13 1 34 26 31 30 16 9 43 17 34 46 34 18 19 6 39 18 24 40 34 32 14 20 32 35 38 45 40 34 32 38 32 20 14 9 48 5 7 49 36 47 36 47 11 41 42 11 9 43 16 30 9 51 13 9 26 34 4 25 7 54 55 57 53 21 14 22 21 14 22 21 Drive Clutch Cable Routed Below Axle And Hook ed H e ...
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MTD 31AH5C3F401 - page 25
25 Models H5C3F & H5Q3G Ref. No. P art No. P art D escriptio n 1. 618-0043 Dogg A ssembly: RH 2. 618 -004 4 D ogg As semb ly: LH 3. 618-0575 Shift Ass embly: Steera ble Dri ve 4. 656-0012 A Frict ion Wheel Disc Assy. 5. 684-0014 B Shift Rod Assembly 6. 684- 004 2C Bear ing 7. 784-5731 A Trans missio n Frame As sembly 8. 684-0131 A Support Bra c ...
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MTD 31AH5C3F401 - page 26
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MTD 31AH5C3F401 - page 27
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MTD 31AH5C3F401 - page 28
MANUF A C TURER ’ S LIMITED W ARRANTY FOR: The l imit ed warr anty se t for th be low is gi ven by MTD PRODUCTS INC ( “ MTD ” ) with respe ct to ne w mercha ndise purchase d and used in the Uni ted Stat es, i ts pos sessio ns and ter ritories. MTD war rants this prod uct agains t def ects in mate rial and workman ship f or a period of two (2) ...
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