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33” Snow Thrower

Model 31AE993I401

OPERATOR’S MANUAL

PRINTED IN U.S.A.

FORM NO. 

770-10278C.fm

(6/2002)

IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

        MTD LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

Warning: 

This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-

covered, brush-covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting            
applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator. 
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have 
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized 
service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-0019.

Содержание 31AE993I401

Страница 1: ...d unless the engine s exhaust system is equipped with a spark arrester meeting applicable local or state laws if any If a spark arrester is used it should be maintained in effective working order by the operator In the State of California the above is required by law Section 4442 of the California Public Resources Code Other states may have similar laws Federal laws apply on federal lands A spark ...

Страница 2: ...ial number of the equipment in the space below ENGINE INFORMATION The engine manufacturer is responsible for all engine related issues with regard to performance power rating specifications warranty and service Please refer to the engine manufacturer s Owner s Operator s Manual packed separately with your unit for more information CALLING CUSTOMER SUPPORT Please do NOT return the unit to the retai...

Страница 3: ... the auger impeller 2 Always wear safety glasses or eye shields during operation and while performing an adjustment or repair to protect your eyes Thrown objects which ricochet can cause serious injury to the eyes 3 Do not operate without wearing adequate winter outer garments Do not wear jewelry long scarves or other loose clothing which could become entangled in moving parts Wear footwear which ...

Страница 4: ...cessories approved by the manufacturer e g wheel weights tire chains cabs etc 20 If situations occur which are not covered in this manual use care and good judgment Contact your dealer or telephone 1 800 800 7310 for assistance and the name of your nearest servicing dealer MAINTENANCE AND STORAGE 1 Never tamper with safety devices Check their proper operation regularly Refer to the maintenance and...

Страница 5: ...ments as instructed later on in this section before operating your snow thrower Failure to follow these instructions may cause damage to the snow thrower Remove the lower plastic wing nut cupped washer and carriage bolt from each side of the lower handle See Figure 2 Figure 2 Raise the upper handle assembly until it locks over the lower handle See Figure 3 Look at the lower rear of the snow throwe...

Страница 6: ...rating Chute Tilt Control The distance snow is thrown can be changed by adjusting the angle of the chute assembly Move the chute tilt control forward to decrease the distance toward the rear to increase See Figure 7 Discharge Chute The angle of the discharge chute controls the distance that the snow is thrown Tilt the discharge chute up for greater distance tilt down for less distance Skid Shoe Th...

Страница 7: ...chute directional control is located on the left hand side of the snow thrower To change the direction in which snow is thrown turn the chute directional control as follows Turn clockwise to discharge to the left Turn counterclockwise to discharge to the right Wheel Steering Controls The left and right wheel steering controls are located on the underside of the handles and are used to assist in st...

Страница 8: ... 120 volt AC household current It must be used with a properly grounded three prong receptacle at all times to avoid the possibility of electric shock Follow all instructions carefully prior to operating the electric starter If your house wiring system is not a three wire grounded system do not use this electric starter under any conditions If your home electrical system is grounded but a three ho...

Страница 9: ...tion proceed as follows to safely clean the chute and chute opening 1 Release both the Auger Control Lever and the Traction Auger control Lock Lever 2 Stop the engine by removing the ignition key 3 Remove the clean out tool from the clip which secures it to the rear of the auger housing 4 Use the shovel shaped end of the clean out tool to remove any snow and ice in the discharge chute WARNING Neve...

Страница 10: ... make any adjustments while engine is running NOTE It may be helpful to read Section 3 Knowing Your Snow Thrower to help identify certain areas of the snow thrower before performing adjustments Traction Control and Shift Lever To check the adjustment of the traction control and shift lever proceed as follows Move the shift lever into sixth 6 position With the traction control released push the sno...

Страница 11: ...o check for correct adjustment as instructed before operating the snow thrower Skid Shoe Adjustment The space between the shave plate and the ground can be adjusted by repositioning the skid shoes For close snow removal as when using on a smooth concrete or asphalt driveway place the skid shoes in the low position Use the middle or high position when the area to be cleared is uneven When operating...

Страница 12: ...pin clip and the washer NOTE Make certain to check for correct adjustment of the shift rod as instructed under Final Adjustments in the Assembly Section before operating the snow thrower Figure 12 Auger Control Adjustment Refer to Auger Control Test on page 9 to adjust the auger control Make certain to check for correct adjustment as instructed before operating the snow thrower Chute Assembly The ...

Страница 13: ...uretor adjustments may be required to compensate for differences in fuel temperature altitude and load Refer to the engine manual for instructions Lubrication Gear Shaft Lubricate the gear shaft with 6 in 1 grease part number 737 0170 at least once a season or after every 25 hours of operation Refer to Figure 13 IMPORTANT Keep all grease and oil off the rubber friction wheel and drive plate Engine...

Страница 14: ...racked or excessively worn out belts Replace belts as necessary as outlined in Servicing your snow thrower Traction Control Auger Control Lock The cams on the ends of the control rods which interlock the traction drive and auger drive clutches must be lubricated at least once a season or every 25 hours of operation using a multi purpose automotive grease The cams can be accessed beneath the handle...

Страница 15: ...the specific steps listed under respective sub headings Disconnect the chute crank assembly at the discharge chute end by removing the hairpin clip and the two flat washers Remove the plastic belt cover located near the engine by removing the three self tapping screws and flat washers that secure it See Figure 17 Remove the large shoulder bolt and washer on the left hand side of the engine pulley ...

Страница 16: ... and reassemble in reverse order Reassemble the two halves of the unit hooking the lower portion of the auger housing over the stationary shoulder bolts in the frame assembly Figure 20 Secure the two halves with the two bolts and lock washers removed earlier Refer to Figure 17 Attach the Z fitting of the cable into the brake bracket assembly Refer to Figure 18 Slip the auger control belt over engi...

Страница 17: ...r Secure the frame cover with six self tapping screws Put the snow thrower down to its normal operating position NOTE If you placed plastic film under the gas cap be certain to remove it Figure 22 Engine Refer to separate engine manual for all engine maintenance procedures Off season Storage WARNING Never store engine with fuel in tank indoors or in poorly ventilated areas where fuel fumes may rea...

Страница 18: ... 3 Exhaust port plugged 1 Connect and tighten spark plug wire 2 Remove ice and snow from gas cap Be certain vent hole is clear 3 Refer to the engine manual Engine overheats 1 Carburetor not adjusted properly 1 Refer to the engine manual or have the carburetor adjusted by an authorized engine service dealer Excessive vibration 1 Loose parts or damaged auger 1 Stop engine immediately and disconnect ...

Страница 19: ...Key Hi Pro 3 16 x 3 4 7 714 0135 91 Woodruff Key 1 4 x 3 4 8 716 0111 Snap Ring 875 Dia 9 717 0299 Gear Worm Double Thread LH 10 717 1425 Gear Worm LH 11 721 0145 Seal Oil 875 ID 12 721 0325 Plug 1 4 x 437 13 736 0266 Washer Flat 1 52 x 2 0 14 736 0291 Washer Flat 88 x 1 38 15 737 3000 Lube Fitting 3 16 Drive 16 738 0275 Shaft Worm Gear 17 741 0184 Bearing Thrust 877 18 741 0217 Sleeve Bearing 877...

Страница 20: ... 3 2 4 5 5 5 7 6 59 25 25 40 42 8 18 31 59 25 43 27 13 17 13 9 14 25 26 34 34 26 32 14 14 21 21 16 10 23 12 13 35 11 37 25 13 22 19 13 33 25 14 41 28 15 36 38 44 45 46 47 14 25 49 52 50 53 54 55 56 51 48 Model E993I 58 57 60 ...

Страница 21: ...1 0475 Plastic Bushing 34 741 0494 Flange Bushing 35 747 0980 Idler Rod Auger 36 754 0222A V Belt 37 756 0178 Flat Idler 38 756 0243 Pulley 39 784 0385A Idler Bracket Auger 40 784 5076 Support Bracket 41 784 5123 Chute Crank Bracket 42 784 5710 Support Plate 43 784 5711 Chute Bracket 44 618 0257 Gear Assembly 45 705 5210A Spiral Assembly RH 46 705 5211A Spiral Assembly LH 47 684 0093B Auger Housin...

Страница 22: ... 42 5 39 23 34 67 14 51 27 75 71 64 58 22 21 29 13 56 52 37 22 2 33 13 29 18 19 47 49 61 48 15 62 27 51 66 42 3 63 33 47 30 65 1 16 56 47 19 49 15 48 61 54 62 41 77 60 77 82 82 60 40 57 38 20 20 7 59 43 31 70 44 28 61 55 69 30 47 19 72 50 26 16 16 54 50 26 53 68 68 18 78 79 80 81 6 ...

Страница 23: ...Pin 38 714 0388 Key 39 715 0249 Roll Pin 40 717 0302 Drive Plate 41 732 0121 Extension Spring 42 732 0209 Extension Spring 43 736 0119 Lock Washer 5 16 44 736 0158 Lock Washer 5 8 45 736 0160 Flat Washer 46 736 0163 Flat Washer 47 736 0217 Lock Washer 48 736 0242 Bell Washer 49 710 0604A Self tapping Screw 5 16 18 x 625 50 736 0300 Flat Washer 51 736 0329 Lock Washer 52 736 0623 Flat Washer 53 712...

Страница 24: ... Model E993I 1 1 2 3 4 5 4 5 19 19 19 19 6 6 7 7 8 9 9 10 21 13 29 11 22 24 31 17 27 23 15 26 21 15 14 25 16 18 22 11 20 15 12 28 30 15 23 13 21 33 32 32 A A A A 33 34 34 35 35 36 37 38 39 40 41 42 43 44 ...

Страница 25: ...andle RH 30 749 0991 Lower Handle 31 750 0963 Clutch Rod Connector 32 710 1625 Oval C Sunk Screw 33 712 0127 Flat Weld Nut 34 725 0157 Cable Tie 35 746 0950 Trigger Control 36 625 0007 Light Assembly 725 1658 Halogen Lamp 725 1672 Lens Assembly 37 705 5218 Handle Engagement RH 38 705 5219 Handle Engagement LH 39 710 1003 Special B Screw 40 712 0271 Hex Sems Nut 41 712 0429 Hex Lock Nut 42 720 0232...

Страница 26: ... 10 731 2531 Belt Cover 11 732 0303 Extension Spring 12 736 0159 5 16 Washer 13 736 0217 Lock Washer 14 736 0242 Beleville Washer 15 736 0264 Flat Washer 17 738 0215A Shoulder Screw 18 748 0234 Shoulder Spacer 19 754 0131 V Belt 20 756 0240 Flat Idler 21 756 0241B Double Pulley 22 784 5726 Idler Bracket 23 712 0324 Hex Lock Nut 1 4 20 24 732 0705 Cable Guide 25 736 0173 Flat Washer 26 629 0071 Ext...

Страница 27: ...p 18 784 5594 Cable Bracket 19 784 5604 Chute Tilt Handle 20 684 0102 Handle Panel Assembly w Tilt 21 710 0459A Hex Bolt 3 8 24 x 1 5 22 710 0599 TT Screw 1 4 20 x 0 5 23 711 0653 Clevis Pin 24 712 0116 Jam Nut 25 784 5682 Handle Suppt Bracket 3 8 RH 26 714 0104 Cotter Pin 27 732 0145 Spring 28 732 0193 Spring 29 732 0746 Torsion Spring 30 735 0199A Rubber Bumper 31 736 0105 Bell Washer 32 784 568...

Страница 28: ...ms such as lubricants filters blade sharpening tune ups brake adjustments clutch adjustments deck adjustments and normal deterioration of the exterior finish due to use or exposure d MTD LLC does not extend any warranty for products sold or exported outside of the United States its possessions and territories except those sold through MTD LLC s authorized channels of export distribution e Parts th...

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