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PRINTED IN U.S.A.

FORM NO.  769-01279A.fm

(7/30/2004)

Operator’s Manual

Two-Stage Snow Thrower 

8526—Storm
9528—Storm

IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY

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.

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

Summary of Contents for 7524

Page 1: ...ped 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...

Page 2: ...nit you can seek help from the experts Choose from the options below Visit troy bilt 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 1 800 520 5520 The engine manufacturer is responsible for all eng...

Page 3: ...which 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 entang...

Page 4: ...ustments or inspections 18 Never put your hand in the discharge or collector openings Always use the clean out tool provided to unclog the discharge opening Do not unclog chute assembly while engine is running Shut off engine and remain behind handles until all moving parts have stopped before unclogging 19 Use only attachments and accessories approved by the manufacturer e g wheel weights tire ch...

Page 5: ...WER 2082 CAUTION AVERTISSMENT Muffler and adjacent surfaces are HOT Do not touch Silencieux et surfaces adjacentes TRES CHAUDES Ne pas toucher El silenciador y las areas alredador estan CALIENTES No tocar CUIDADO DANGER NEVER PUT HAND IN CHUTE CONTACT WITH ROTATING PARTS CAN AMPUTATE FINGERS AND HANDS SHUT OFF ENGINE AND WAIT UNTIL ALL MOVING PARTS HAVE STOPPED BEFORE UNCLOGGING USE CLEAN OUT TOOL...

Page 6: ...fy your snow thrower is operating safely and properly 1 Observe the lower rear area of the snow thrower to be sure both cables are aligned with roller guides before pivoting the handle upward 2 Secure the upper shift rod to the lower shift rod by sliding the connector sleeve downward Secure the handle by tightening the plastic wing knob located on both the left and right sides of the handle Remove...

Page 7: ...vis pin and secure with the hairpin clip removed earlier CAUTION Prior to operating your snow thrower refer to Auger Control Test on page 11 Read and follow all instructions carefully and perform all adjustments to verify your snow thrower is operating safely and properly Tire Pressure Before operating check tire pressure and reduce pressure in both tires to between 15 psi and 20 psi NOTE If the t...

Page 8: ...s Cap Unthread the gas cap to add gasoline to the fuel tank Choke Control The choke control is found on the rear of the engine and is activated by rotating the knob clockwise Activating the choke control closes the choke 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 e...

Page 9: ...unclogging The chute clean out tool is fastened to the top of the auger housing with a mounting clip The tool is designed to clear a clogged chute assembly Refer to Operating Your Snow Thrower section for more detailed information regarding the chute clean out tool NOTE This item is fastened with a cable tie to the rear of the auger housing at the factory Cut the cable tie before operating the sno...

Page 10: ...le at all times to avoid the possibility of electric shock Follow all instructions carefully prior to operating the electric starter WARNING If your home electrical system is grounded but a three hole receptacle is not available do not use your snow thrower s electric starter If you have a grounded three prong receptacle proceed as follows Plug the extension cord into the outlet located on the eng...

Page 11: ...tle control in the Fast rabbit position move shift lever into one of the six forward F positions or two reverse R positions Select a speed appropriate for the snow conditions and a pace you re comfortable with IMPORTANT Use the slower speeds until you are comfortable and familiar with the operation of the snow thrower Squeeze the drive control against the handle the snow thrower will move Release ...

Page 12: ...nd start the snow thrower s engine While standing in the operator s position behind the snow thrower engage the auger control for a few seconds to clear any remaining snow and ice from the chute assembly Drive Auger Lock The drive auger lock allows the user to operate the snow thrower with one hand leaving the left hand free to operate the chute directional control Engage both the Auger Control an...

Page 13: ...ion and remove the hairpin clip which secures the ferrule to the shift lever 2 Rotate the shift arm clockwise as far as it will go 3 Thread the ferrule up or down the shift rod until it aligns with the hole in the shift lever Resecure the ferrule with the hairpin clip removed earlier Auger Control Refer to Auger Control Test on Page 11 to adjust the auger control Tire Pressure Before operating che...

Page 14: ...d Shoes The space between the skid shoes and the ground can be adjusted See Figure 3 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 such as a gravel driveway CAUTION Loose gravel can be picked up and thrown by the auger causing injury to the operator and bystanders and or damage to the sno...

Page 15: ...once a season remove the shear pins on auger shaft Spray lubricant inside shaft around the spacers Also lubricate the grease fittings found at either end of the shaft See Figure 6 Figure 6 Gear Case A grease fitting can be found on the gear case After removing the vent plug found on the top of the gear case lubricate with two ounces of grease Part Number 737 0168 once a season IMPORTANT If the ven...

Page 16: ...frame cover from the underside of the snow thrower by removing four self tapping screws which secure it 3 Roll the auger belt off the engine pulley 4 Unhook the support bracket spring from the frame Loosen and remove the shoulder screw which acts as a belt keeper Remove the belt from around the auger pulley and slip the belt between the support bracket and the auger pulley Reassemble auger belt by...

Page 17: ...ward so that it rests on the auger housing 2 Remove the frame cover from the underside of the snow thrower by removing four self tapping screws which secure it 3 a Grasp the idler pulley and pivot it toward the right b Insert a screw driver through aligning holes in both the idler bracket and the engine c Roll the auger belt off the engine pulley d Lift the drive belt off engine pulley 4 Slip the ...

Page 18: ...rame and lightly tap the shaft s end to dislodge the ball bearing from the right side of the frame 2 a Slide the hex shaft downward and to the left while carefully un meshing the lower gears on the hex shaft from the upper gears on the wheel axle b Set the hex shaft s gears aside c Carefully remove the inner E ring from the hex shaft and slide the friction wheel assembly off the hex shaft NOTE If ...

Page 19: ...tion prior to draining fuel Fuel left in engine for extended period deteriorates and will cause serious starting problems If unit is 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 f...

Page 20: ... stabilizer is used Drain fuel tank Refill with fresh fuel Refer to the Tecumseh engine manual Loss of power Spark plug wire loose Gas cap vent hole plugged Exhaust port plugged Connect and tighten spark plug wire Remove ice and snow from cap Be certain vent hole is clear Clean following the engine manual Engine overheats Carburetor not adjusted properly Refer to the Tecumseh engine manual packed ...

Page 21: ...21 NOTES ...

Page 22: ...22 19 1 17 47 9 48 3 25 15 8 28 35 40 5 30 21 10 7 22 13 18 16 26 4 24 6 41 15 2 49 55 54 56 50 36 42 37 38 46 11 31 32 14 33 23 29 27 12 34 39 52 53 51 57 57 20 43 44 45 SECTION 9 PARTS LIST ...

Page 23: ...9A Bumper Rubber 62 OD x 22 27 736 0262 Washer Flat 385 x 870 x 092 28 738 04122 Screw Shoulder 437 x 1 345 1 4 20 29 738 04125 Screw Shoulder 374 Dia x 1 05 30 746 0778 Z Fitting Cable 31 747 04348 Rod Shift 312 x 8 98 Upper 32 750 0963 Connector Sleeve Shift Rod 33 790 00130 Lever Shift 34 790 00140 Bracket Panel 35 710 0449 Screw Carriage 5 16 18 2 25 Gr5 36 710 0726 Screw 5 16 12 0 750 37 720 ...

Page 24: ...5 55 56 57 49 42 58 44 50 10 21 20 46 47 52 62 64 66 63 65 59 67 68 60 7 51 4 2 9 43 69 8 6 5 13 37 26 28 29 22 6 24 12 7 15 19 25 34 14 23 3 9 17 31 38 1 70 40 7 7 27 33 36 39 30 41 32 48 48 4 7 35 9 18 71 Style Q ...

Page 25: ...e 44 75 35 790 00091 Shoe Slid 36 714 0104 Pin Cotter 072 Dia x 1 13 37 731 04427 Upper Chute Remote 38 731 1313C Cable Guide Chute Tilt 39 749 04155 Support Tube Chute 40 784 5594 Cable Bracket Cables not included 41 784 5599 Tab Handle 42 618 04192 Gearbox Assembly Auger 26 w Fitting 618 04193 Gearbox Assembly Auger 28 w Fitting 43 684 04078 Housing Assembly Auger 26 684 04079 Housing Assembly A...

Page 26: ... 56 58 7 52 7 46 49 59 44 43 54 50 60 41 55 58 42 62 61 17 36 32 35 34 9 28 19 18 30 20 24 7 29 13 33 23 11 5 22 3 24 15 21 24 6 1 16 12 14 2 14 10 4 38 9 9 28 31 9 37 8 20 7 26 27 39 9 4 65 67 63 68 64 66 25 45 9 Style Q ...

Page 27: ...able 35 784 5687A Guide Bracket Auger Cable 36 790 00072 Frame 37 790 00096 Guide Bracket Front Auger Cable 38 790 00054 Cover Frame 39 790 00055 Roller Bracket Drive Cable 40 710 0191 Screw 3 8 24 x 1 25 Gr8 41 710 0597 Screw 1 4 20 x 1 00 Gr5 42 710 0654A Screw Sems 3 8 16 x 1 00 43 710 1245B Screw 5 16 24 x 875 Gr8 44 712 04064 Nut Flange Lock Nylon 1 4 20 GrF 45 731 04792 Cover Belt 46 732 071...

Page 28: ...lutch adjustments deck adjustments 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...

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