MTD 31AH7L3G701 Operator'S Manual Download | Manualshive

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14

Figure 17

Drive Belt

•

Follow the first four steps of the instructions for
servicing the auger belts.

•

Pull the idler pulley up and lift the belt off the engine
pulley and friction wheel disc. See Figure 16.

•

Back out the stop bolt until the support bracket
rests on the auger pulley. See Figure 18.

•

Slip the belt between the friction wheel and drive
disc. Remove and replace the belt. Reassemble
following the instructions in reverse order.

NOTE:

The support bracket must rest on the stop bolt

after the new belt has been assembled.

Figure 18

Replacing Friction Wheel Rubber

The rubber on the friction wheel is subject to wear and
should be checked after 25 hours of operation, and
periodically thereafter. Replace the friction wheel
rubber if any signs of wear or cracking are found.

•

Drain the gasoline from the snow thrower.

•

Tip the snow thrower up and forward, so that it rests
on the housing. Refer to Figure 9.

•

Remove six self-tapping screws from the frame
cover underneath the snow thrower.

•

Using a 7/8" wrench to hold the shaft, loosen, but
do not completely remove, the hex bolt and bell
washer on the left end of gear shaft. See Figure 19.

•

Lightly tap the hex nut to dislodge the ball bearing
from the right side of frame before removing the hex
nut and bell washer from left end of shaft.

Figure 19

Move the gear shaft to the right and slide the friction
wheel assembly from the shaft. See Figure 20.

Figure 20

Frame

Support
Bracket
Spring

Auger
Housing

Idler
Spring

Front
Auger Belt

Rear
Auger
Belt

Auger
Pulley

Support
Bracket

Drive Plate

Friction
Wheel

Stop Bolt

Support Bracket

Auger Pulley

Track

Hex Bolt &
Bell Washer

Shift Rod
Assembly

Sprocket

Spacer

Pin

Friction Wheel
Assembly

Shaft

Support
Bracket

Friction Wheel Rubber

Screws

Friction Wheel

Hub

Plates

«
...
12
13
14
15
16
...
»

Summary of Contents for 31AH7L3G701

Page 1: ...ith 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...

Page 2: ...xperts Choose from the options below Visit yardman com for many useful suggestions Click on Customer Support button and you will get the four options reproduced here Click on the appropriate button and help is immediately available If you prefer to reach a Customer Support Representative please call 1 800 800 7310 The engine manufacturer is responsible for all engine related issues with regards to...

Page 3: ...ch could be tripped over or thrown by 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...

Page 4: ...ed 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 adjustment sect...

Page 5: ...andle See Figure 2 Figure 2 Raise the upper handle assembly until it locks over the lower handle Look at the lower rear of snow thrower frame to be sure both cables are aligned with cable roller guides Secure the upper handle and lower handle with the two plastic wing knobs cupped washers and carriage bolts previously removed and tighten the upper two plastic wing knobs See Figure 3 Figure 3 Slide...

Page 6: ...rify your snow thrower is operating safely and properly Chute Tilt Control The distance snow is thrown can be changed by adjusting the angle of the upper chute Move the chute tilt control forward to decrease the distance and backwards to increase distance See Figure 5 Skid Shoe The space between the shave plate and the ground can be adjusted by positioning the skid shoes Refer to Skid Shoe Adjustm...

Page 7: ...e the unit will start Remove the ignition key to prevent unauthorized use of equipment See Figure 5 IMPORTANT Do NOT attempt to turn the key Headlight The headlight is on whenever the engine is running Track Lock Lever The track lock lever is located on the right side of the snow thrower and is used to select the position of the auger housing and the method of track operation Move the lever to the...

Page 8: ...ecoil Starter Rotate choke knob to FULL choke position cold engine start If engine is warm place choke in OFF position instead of FULL Push primer button two or three times If engine is warm push primer button once only NOTE Always cover vent hole in primer button when pushing Additional priming may be necessary for first start if temperature is below 15 F Grasp starter handle and pull rope out sl...

Page 9: ...ment has been achieved Repeat the previous steps to provide more slack in cable if necessary Figure 7 Clean Out Tool The clean out tool is conveniently fastened to the rear of the auger housing with a mounting clip Should snow and ice lodge itself in the chute assembly during operation proceed as follows to safely clean the chute and chute opening Release both the Auger Control and the Drive Auger...

Page 10: ...e highest speed With the drive control released push the snow thrower forward The unit should roll forward Then engage the drive control The wheels should stop turning Now release the drive control and push the unit again Move the shift lever back to the fast reverse position then all the way forward again There should be no resistance in the shift lever and the wheels should keep turning If you h...

Page 11: ...nstructed under Final Adjustments in the Assembly Section before operating the snow thrower Skid Shoes The space between the shave plate and the ground can be adjusted See Figure 12 For close snow removal on a smooth surface raise skid shoes higher on the auger housing Use a middle or lower position when the area to be cleared is uneven Figure 12 WARNING Do not operate this snow thrower on gravel ...

Page 12: ...ce damage to the seals could result Be sure the vent plug is free of grease in order to relieve pressure Auger Shaft At least once a season remove the shear bolts on the auger shaft Spray lubricant inside the shaft and lubricate the plastic auger bearings at least once a season See Figure 13 Figure 13 Drive and Shifting Mechanism Lubricate at least once a season or after every 25 hours of operatio...

Page 13: ... in order to change either one If changing just one belt be certain to check the condition of the other belt Remove the plastic belt cover at the front of the engine by removing the two self tapping screws See Figure 15 Drain the gasoline from the snow thrower or place a piece of plastic film under the gas cap Tip the snow thrower up and forward so that it rests on its auger housing Figure 15 Remo...

Page 14: ... Drain the gasoline from the snow thrower Tip the snow thrower up and forward so that it rests on the housing Refer to Figure 9 Remove six self tapping screws from the frame cover underneath the snow thrower Using a 7 8 wrench to hold the shaft loosen but do not completely remove the hex bolt and bell washer on the left end of gear shaft See Figure 19 Lightly tap the hex nut to dislodge the ball b...

Page 15: ... to be stored over 30 days prepare for storage as follows Remove gasoline from carburetor and fuel tank to prevent gum deposits from forming on these parts and causing possible malfunction of engine Run engine until fuel tank is empty and engine stops due to lack of fuel Drain carburetor by pressing upward on bowl drain located below the carburetor cover NOTE Fuel stabilizer is an acceptable alter...

Page 16: ...re loose 2 Gas cap vent hole plugged 1 Connect and tighten spark plug wire 2 Remove ice and snow from gas cap Be certain vent hole is clear Excessive vibration 1 Loose parts or damaged auger 1 Stop the engine immediately and disconnect the spark plug wire Tighten all bolts and nuts If vibration continues have the unit serviced by an authorized service dealer Unit fails to propel itself 1 Drive con...

Page 17: ...17 NOTES ...

Page 18: ...27 21 8 Part of handle panel for reference only 13 25 4 9 3 24 20 14 26 11 19 30 29 32 34 38 39 40 41 42 43 11 45 45 46 47 48 49 50 51 52 53 54 54 55 56 57 58 59 60 40 61 62 63 64 65 43 67 68 69 66 70 71 72 53 40 16 74 75 76 77 43 64 81 68 79 43 78 28 23 10 75 75 16 15 12 75 66 70 44 2 73 18 11 ...

Page 19: ... 40 710 0599 TT Screw 1 4 20 x 0 5 41 711 0653 Clevis Pin 42 712 0116 Jam Lock Nut 3 8 24 43 712 04063 Flange Lock Nut 44 714 0145 Click Pin 45 714 0507 Cotter Pin 46 732 0145 Compression Spring 47 732 0193 Compression Spring 48 732 0746 Torsion Spring 49 735 0199A Rubber Bumper 50 736 0105 Bell Washer 51 736 0509 Flat Washer 52 746 0778 Drive Cable Z Fitting 53 747 0877 Cam Rod 54 748 0362 Handle...

Page 20: ...20 Model 7L3 4 2 3 1 5 6 7 8 16 11 12 14 15 13 16 26 28 13 33 16 35 34 36 37 38 39 41 40 42 16 40 39 29 24 21 22 30 16 27 ...

Page 21: ...g 8 712 3068 Hex Nut 5 16 18 11 05931A Housing 12 741 0309 Ball Bearing 13 710 0451 Carriage Bolt 5 16 18 x 75 14 705 5226 Chute Reinforcement 15 684 04129 Auger Housing Assembly 28 16 712 04063 Flange Lock Nut 5 16 18 21 731 2635 Clean Out Tool Mount 22 731 2643 Clean Out Tool 24 790 00087 Bearing Housing 26 710 0726 Hex Screw 5 16 12 27 725 0157 Cable Tie 28 712 04065 Flange Lock Nut 3 8 16 29 7...

Page 22: ...22 Model 7L3 17 27 1 2 3 4 5 6 7 4 8 9 10 11 12 13 14 15 16 18 19 19 16 16 16 20 21 22 23 24 25 26 ...

Page 23: ...ve Clutch Idler Bracket 7 748 0234 Shoulder Spacer 8 756 0987 Pulley Half 9 754 0346 V Belt 10 756 0986 Pulley Half 11 736 0270 Bell Washer 12 710 0230 Hex Cap Screw 1 4 28 x 50 13 756 0313 Flat Idler 14 710 1245B Lock Hex Cap Screw 5 16 24 15 712 0181 Lock Jam Nut 3 8 16 16 756 0569 Pulley Half 17 710 0602 Self Tapping Screw 5 16 18 x 1 00 18 736 0505 Flat Washer 19 754 0430B Belt 20 756 0967 Aug...

Page 24: ...24 15 Model 7L3 25 19 26 27 24 23 22 21 16 17 18 19 20 29 30 31 32 32 32 34 30 32 27 26 19 25 36 21 24 23 22 12 2 30 10 18 19 20 2 1 13 11 14 9 3 7 6 5 4 2 40 39 38 28 8 35 41 33 37 29 29 ...

Page 25: ...6 0270 Bell Washer 265 ID x 75 OD 23 736 0176 Flat Washer 1 4 ID x 93 OD 24 741 1111 Hex Flange Bearing 25 710 0643 Hex Cap Screw 5 16 18 x 1 26 748 0234 Shoulder Spacer 27 710 0726 Tap Screw 5 16 12 x 750 28 684 0031 Frame Assembly 29 738 0924 Hex Screw 1 4 28 x 375 30 756 0625 Cable Roller 31 784 5688 Drive Cable Guide Bracket 32 710 0599 Tap Screw 1 4 20 x 5 33 784 5590 Shift Frame Bracket 34 6...

Page 26: ...1 2 6 3 10 12 7 8 5 4 9 13 15 14 17 16 19 20 22 22 20 19 28 21 18 21 18 15 13 14 29 31 32 30 30 32 34 37 38 36 23 35 27 39 11 40 41 42 44 45 51 46 47 48 52 46 53 51 54 55 54 50 16 17 49 37 56 24 25 26 26 33 33 56 56 ...

Page 27: ...embly 24 684 0024 Idler Axle Assembly 25 710 1231 Eye Bolt 26 784 5639 Track Side Plate 27 711 0911 Actuator Shaft 28 713 0233 Chain 29 618 0169A Track Steering Shaft Assembly 30 683 0024 Track Hub Assembly 31 713 0437 Chain 32 741 0339 Flange Bearing 33 736 0287 Flat Washer 34 611 0053 Axle Assembly 35 750 0904 Spacer 36 618 0043 RH Dogg Assembly 37 750 0903 Spacer 38 732 0209 Extension Spring 39...

Page 28: ...stments and normal deterioration of the exterior finish due to use or exposure d Service completed by someone other than an authorized service dealer e MTD does not extend any warranty for products sold or exported outside of the United States its possessions and territories except those sold through MTD s authorized channels of export distribution f Replacement parts that are not genuine MTD part...

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