Troy-Bilt 31AH9Q77766 Operator'S Manual Download Page 23

Page: 23 / 32

This section addresses

minor service issues.

For further details,

contact an authorized

service center.

Trouble-

shooting

Cause

Problem

Remedy

Engine fails to start

1.  Choke not in ON position.
2.  Spark plug wire disconnected.
3.  Fuel tank empty or stale fuel.
4.  Engine not primed.

5.  Faulty spark plug.
6.  Blocked fuel line.
7.  Safety key not in ignition on engine.

1.  Move choke to ON position.
2.  Connect wire to spark plug.
3.  Fill tank with clean, fresh gasoline.
4.  Prime engine as instructed in “Operat-

ing Your Snow Thrower”.

5.  Clean, adjust gap, or replace.
6.  Clean fuel line.
7.  Insert key fully into the switch.

Engine runs erratic

1. Move choke lever to OFF position.
2. Clean fuel line; fill tank with clean,

fresh gasoline.

3. Drain fuel tank. Refill with fresh fuel.
4. Contact an authorized Service Center.

1. Unit running on CHOKE.
2. Blocked fuel line or stale fuel.

3. Water or dirt in fuel system.
4. Carburetor out of adjustment.

Engine overheats

1. Contact Service Center.

1. Carburetor not adjusted properly.

Loss of power

1. Connect and tighten spark plug wire.
2. Remove ice and snow from gas cap.

Be certain vent hole is clear.

3. Contact Service Center.

1. Spark plug wire loose.
2. Gas cap vent hole plugged.

3. Exhaust port plugged.

Unit fails

to propel itself

1. Adjust drive control cable. Refer to

“Making Adjustments”.

2. Replace drive belt.

1. Drive control cable in need of adjust-

ment.

2. Drive belt loose or damaged.

Excessive

Vibration

1. Loose parts or damaged auger.

1. Stop engine immediately and discon-

nect spark plug wire. Tighten all bolts
and nuts. If vibration continues, have
unit serviced by an authorized Service
Center.

Unit fails

to discharge snow

1. Stop engine immediately and discon-

nect spark plug wire. Clean chute
assembly and inside of auger housing
with clean-out tool or a stick.

2. Stop engine immediately and discon-

nect spark plug wire. Remove object
from auger with clean-out tool or a
stick.

3. Refer to Auger Control Test.

4. Refer to Maintenance section.
5. Replace with new shear pin(s).

1. Chute assembly clogged.

2. Foreign object lodged in auger.

3. Auger control cable in need of adjust-

ment.

4. Auger belt loose or damaged.
5. Shear pin(s) sheared.

Summary of Contents for 31AH9Q77766

Page 1: ...t 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 Cleve...

Page 2: ...you can seek help from the experts Choose from the options below Visit www troybilt com for many useful suggestions Click the Tool Bench tab to access the Troy Bilt Solution Center Call a Customer Support Representative at 1 866 840 6483 The engine manufacturer is responsible for all engine related issues with regard to performance power rating specifications warranty and service Please refer to t...

Page 3: ...astened to the top of the auger housing with a mounting clip The tool is designed to clear a chute assembly of ice and snow This item is fastened with a cable tie at the factory Cut the cable tie before operating the snow thrower WARNING Never use your hands to clear a clogged chute assembly Shut off engine and remain behind handles until all moving parts have stopped before using the clean out to...

Page 4: ...e and machine adjust to outdoor temperature before starting to clear snow 9 To avoid personal injury or property damage use extreme care in handling gasoline Gasoline is extremely flammable and the vapors are explosive Serious personal injury can occur when gasoline is spilled on yourself or your clothes which can ignite Wash your skin and change clothes immediately a Use only an approved gasoline...

Page 5: ...ation regularly Refer to the maintenance and adjust ment sections of this manual 2 Before cleaning repairing or inspecting machine disen gage all control levers and stop the engine Wait until the auger impeller come to a complete stop Disconnect the spark plug wire and ground against the engine to prevent unintended starting 3 Check bolts and screws for proper tightness at frequent intervals to ke...

Page 6: ...d drive are properly routed and not pinched or kinked before pivoting handle upward a Remove the lower star knob and carriage bolt from each side of the lower handle Pull up and back on upper handle as shown in Figure 3 1 Align upper handle with the lower handle Make certain the springs at the lower end of the auger and drive cables are securely hooked into their respective actuator bracket 2 a Se...

Page 7: ...ssembly 6 Place chute assembly onto chute base as shown in Figure 3 5 making sure that the notches engage with the spiral end of chute directional control 7 Secure flange keeper removed earlier with lock nuts and screws Tighten down nuts securing the other two flange keepers See Figure 3 6 8 If not already done slip the cables that run from the handle panel to the discharge chute into the cable gu...

Page 8: ...control is released and in the disengaged up position the cable should have very little slack but should NOT be tight 1 In a well ventilated area start the snow thrower engine as instructed in the Operation section Make sure the throttle is set in the fast position 2 While standing in the operator s position behind the snow thrower engage the auger control and allow the auger to remain engaged for...

Page 9: ...ed 4 If adjusting the auger cable thread the lock nut down to lengthen the cable as necessary to stop the auger from turning when the control is released WARNING Do not over tighten the cable Over tightening may prevent the auger from disengaging and compro mise the safety of the snow thrower 5 Reattach the spring to the actuator bracket 6 Repeat the wheel drive and auger control tests to verify p...

Page 10: ...e plate on the carburetor and aids in starting the engine Throttle Control The throttle control is located on the engine It regulates the speed of the engine and will shut off the engine when pushed down completely Primer Depressing the primer forces fuel directly into the engine s carburetor to aid in cold weather starting Oil Fill Engine oil level can be checked and oil added through the oil fil...

Page 11: ...hute Tilt Control The distance snow is thrown can be changed by adjust ing the angle of the chute assembly Move the chute tilt control forward to decrease the distance toward the rear to increase Chute Directional Control The chute directional control is located on the left side of the snow thrower To change the direction in which snow is thrown crank clockwise to discharge to the left and counter...

Page 12: ...ructions 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 hole receptacle is not available one should be installed by a licensed electrician before using the electric starter If you have a grounded three prong receptacle proce...

Page 13: ... Augers 1 To engage augers and start snow throwing squeeze the left hand auger control against the left handle Release to stop augers 2 While the auger control is engaged squeeze the drive control to move release to stop Do not shift speeds while the drive is engaged NOTE This same lever also locks auger control so you can turn the chute control without interrupting the snow throwing process 3 Rel...

Page 14: ...e assembly Refer to Operating Your Snow Thrower for instructions The remote chute control cables have been pre adjusted at the factory Move the remote chute lever on the control panel back and forward to adjust angle of the chute assembly Drive Control Refer to the Final Adjustment section of the Assembly instructions to adjust the drive control To further check the adjustment proceed as follows 1...

Page 15: ...middle or high position when area to be cleared is uneven 1 Adjust skid shoes by loosening the six lock nuts and carriage bolts and moving skid shoes to desired position See Figure 5 4 2 Make certain the entire bottom surface of skid shoes are against the ground to avoid uneven wear on the skid shoes 3 Tighten nuts and bolts securely Chute Bracket Adjustment If the spiral at the bottom of the chut...

Page 16: ...e oil or a spray lubricant Refer to Figure 6 1 IMPORTANT Keep all grease and oil off the rubber friction wheel and drive plate Wheels At least once a season remove all wheels Clean and coat the axles with a multipurpose automotive grease before reinstalling wheels Chute Directional Control Once a season the spiral end on the chute directional control should be greased with multipurpose automotive ...

Page 17: ... periodi cally and replace as necessary Skid Shoes NOTE The skid shoes on this machine have two wear edges When one side wears out they can be rotated 180 to use the other edge 1 Remove the six carriage bolts and lock nuts that secure the two skid shoes to the sides of the auger housing Refer to Figure 6 3 2 Position the new skid shoes and secure with the carriage bolts and nuts Make certain the s...

Page 18: ... and pulling up the handles 10 a Using a 1 2 wrench remove the hex screw and cupped washer from the center of the pulley on the auger housing See Figure 6 11 b Lift the brake bracket assembly out of the pulley groove c Remove the pulley Be careful not to lose the key 11 Remove and replace auger belt inside belt keepers 12 Apply Loctite 262 to the threads of the hex screw used for mounting the auge...

Page 19: ...e tension NOTE The brake puck must always be firmly seated in the pulley groove when auger control is disengaged Drive Belt 1 Pull the idler pulley away from the backside of the drive belt to relieve the tension and slide the drive belt off the idler pulley If necessary unhook the extension spring from the belt cover plate See Figure 6 12 2 Roll the drive belt off the lower drive pulley 3 Remove t...

Page 20: ...el from the axle Using a 3 4 wrench hold the hex shaft and remove the hex screw and cupped washer and bearing from left side of the frame Refer to Figure 6 14 Holding the friction wheel assembly slide the hex shaft out of the right side of the unit The spacer on the left side of the hex shaft will fall and the sprocket should remain hanging lose in the chain Lift the friction wheel assembly out be...

Page 21: ...shaft through the sprocket and the spacer Make certain that the chain engages both the large and the small sprocket NOTE If the sprocket fell from the snow thrower while removing the hex shaft place the sprocket on the hex shaft Position the hex hub of the sprocket toward the fric tion wheel when sliding the sprocket on to the hex shaft Secure with the cupped washer and hex bolt removed earlier Se...

Page 22: ...s and will cause serious starting problems 1 Run the engine until the fuel tank is empty and it stops due to lack of fuel Do not attempt to pour fuel from the engine WARNING Never use engine or carbu retor cleaning products in the fuel tank or permanent damage may occur 2 Remove the spark plug and pour one 1 ounce of engine oil through the spark plug hole into the cylinder Cover spark plug hole wi...

Page 23: ... not adjusted properly Loss of power 1 Connect and tighten spark plug wire 2 Remove ice and snow from gas cap Be certain vent hole is clear 3 Contact Service Center 1 Spark plug wire loose 2 Gas cap vent hole plugged 3 Exhaust port plugged Unit fails to propel itself 1 Adjust drive control cable Refer to Making Adjustments 2 Replace drive belt 1 Drive control cable in need of adjust ment 2 Drive b...

Page 24: ...68 57 56 59 24 59 54 44 35 40 44 44 29 12 8 8 8 3 3 42 25 7 7 7 44 38 41 20 30 31 21 53 16 6 28 21 13 15 13 46 10 20 10 52 43 47 23 20 14 21 10 10 21 5 26 39 4 32 17 50 33 48 19 22 18 45 37 39 33 11 36 64 66 62 58 67 60 64 67 51 10 Storm 13045 ...

Page 25: ...g Extension 33 736 0174 Washer 625 x 885 x 015 34 736 0242 Washer 34 x 872 x 06 Ref No Part No Description 35 750 04020 Spacer 1 004 x 1 375 x 25 36 629 0071 Extension Cord 110V 37 736 3008 Washer 344 x 75 x 12 38 736 3046A Washer 1 01 x 1 86 x 06 39 738 0281 Screw Shoulder 625 x 17 40 738 04155 Pin Shear 25 x 1 75 41 738 04159 Shaft Spiral 45 42 741 0192 Bearing Flange w Flats 43 741 04024 Bearin...

Page 26: ... 63 44 43 69 58 21 5 26 33 38 20 19 34 3 19 32 21 2 39 7 36 14 72 41 19 19 35 1 75 76 9 22 29 31 19 68 47 60 61 2 64 65 17 4 59 51 28 45 57 40 48 31 62 52 66 67 24 47 37 70 15 16 10 18 47 68 53 54 52 16 55 46 71 8 9 27 23 28 11 28 43 32 73 74 52 12 13 ...

Page 27: ...wer Shift 36 747 0997 Rod Upper Shift 37 784 5680 Bracket Handle Support RH Ref No Part No Description 38 749 0989A Handle Upper LH 39 749 0990A Handle Upper RH 40 749 0991 Handle Lower 41 750 0963 Connector Shift Rod 42 684 0102A Panel Handle 43 710 0276 Screw Carriage 5 16 18 x 1 0 44 710 0458 Screw Carriage 5 16 18 x 1 75 45 710 0459A Screw Hex 3 8 24 x 1 5 46 710 0597 Screw Hex 1 4 20 x 1 0 47...

Page 28: ...19 31 59 1 31 35 20 29 12 15 83 79 77 82 92 28 87 26 74 41 36 20 8 53 25 8 56 70 51 27 67 23 2 42 54 38 4 43 43 25 71 24 86 80 18 66 3 63 40 38 69 48 31 10 63 6 93 88 64 17 62 7 37 39 33 65 78 16 57 30 45 55 47 76 61 75 26 14 79 91 85 22 78 89 46 84 44 81 49 90 34 34 5 68 17 ...

Page 29: ...otter 38 716 0104 E Ring 39 714 0388 Key Hi Pro 3 16 x 5 8 40 716 0136 Ring Retaining Ref No Part No Description 41 717 0302 Plate Drive 42 732 0121 Spring Extension 43 732 0209 Spring Extension 44 756 0241B Pulley Dbl 3 25 OD 45 736 0158 Washer Lock 5 8 46 756 0240 Pulley Flat Idler 3 0 OD 47 634 0225 Wheel Assembly LH 634 0226 Wheel Assembly RH 734 2031 Tire 734 0255 Valve 741 0246A Bearing 48 7...

Page 30: ...063 84 714 0118 Key Square 1 4 x 1 5 85 790 00167A Brkt Belt Keeper 86 731 2531 Cover Belt 87 732 0303 Spring Extension 88 732 0705 Guide Chute Cable 89 736 0247 Washer Flat 406 x 1 25 90 748 0234 Spacer Shoulder 91 736 0159 Washer Flat 349 x 879 92 754 0131 V Belt 3 8 x 35 5 93 712 04064 Nut Flg Lk 1 4 20 Continued from previous page To order replacement parts call 1 800 648 6776 or visit www tro...

Page 31: ...31 NOTES ...

Page 32: ...nts and normal deterioration of the exterior finish due to use or exposure d Service completed by someone other than an authorized service dealer e Troy Bilt does not extend any warranty for products sold or exported outside of the United States and or Canada and their respective possessions and territories except those sold through Troy Bilt s authorized channels of export distribution f Replacem...

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