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Operator’s Manual Automatic Lawn Tractors Super Bronco™ Bronco™ (Models T609 & J609) 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...
This information will be necessary to use the manufacturer’s web site and/or help from the Customer Support Department or an authorized service dealer. Copy the model number here: Copy the serial number here: TROY-BILT LLC P. O. BOX 3 6 1 1 3 1 www.troybilt.com CLEVELAND, OH 44136...
SECTION 1: IMPORTANT SAFE OPERATION PRACTICES WARNING: This symbol points out important safety instructions which, if not followed, could endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury.
23. Muffler and engine become hot and can cause a 4. Follow the manufacturer’s recommendations for burn. Do not touch. wheel weights or counterweights to improve 24. Check overhead clearances carefully before driving stability. under low hanging tree branches, wires, door 5.
e. Use extreme care when approaching blind e. Extinguish all cigarettes, cigars, pipes and corners, doorways, shrubs, trees or other other sources of ignition. objects that may block your vision of a child Never fuel machine indoors. who may run into the machine. g.
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8. Never tamper with the safety interlock system or For safety protection, frequently check components other safety devices. Check their proper operation and replace immediately with original equipment regularly. manufacturer’s (O.E.M.) parts only, listed in this 9. After striking a foreign object, stop the engine, manual.
SECTION 3: TRACTOR SET-UP Attaching the Battery Cables Service the engine with gasoline and oil as instructed in the separate Briggs & Stratton Operator/Owner Manual packed with your tractor. Read instructions carefully. NOTE: The positive battery terminal is marked Pos. (+).
NOTE: Steering Wheel not shown for clarity. Figure 3 PTO (Blade Engage) Lever G Throttle Lever Ammeter Ignition Switch Module Choke Knob (Super Bronco Only) Brake Pedal Parking Brake Button Drive Pedal Shift Lever Cruise Control Button Cup Holder Deck Lift Lever NOTE: Any reference in this manual to the RIGHT or LEFT side of the tractor is observed from operator’s position.
FAST (rabbit) position. Choke Control Figure 5 On Super Bronco models, the Prior to operating the tractor, refer to both IMPORTANT: choke control can be found on Safety Interlock Switches on page 12 and Starting The Engine...
Ammeter NOTE: The parking brake must be set if the operator leaves the seat with the engine running or the engine A M PS The ammeter measures the will automatically shut off. electrical output of the engine’s charging system. Under Always set the parking brake when IMPORTANT: normal operating conditions,...
ON while should ever malfunction, do not operate the tractor. activated. See Figure 7. Contact an authorized Troy-Bilt service dealer. 4. Once activated (indicator light ON), the tractor can • The safety interlock system prevents the engine...
Setting the Cutting Height Stopping the Engine Select the height position of the cutting deck by placing WARNING: If you strike a foreign object, the deck lift lever in any of the six different cutting height stop the engine, disconnect the spark plug notches on the right side of the fender.
• While continuing to hold the cruise button in, lift your foot from the drive pedal (you should feel the WARNING cruise latch engage). • Once engaged, the cruise control button and the AVOID SERIOUS INJURY OR DEATH drive pedal will lock in the “down” position, and the tractor will maintain the same forward speed.
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Figure 8 Mulching Headlights The Super Bronco™ is equipped with a mulch kit which On some models, the lamps are ON whenever the incorporates special blades, already standard on the tractor’s engine is running. On other models, the lamps...
SECTION 6: MAKING ADJUSTMENTS WARNING: • Retighten the two jam nuts loosened earlier when Never attempt to make any proper adjustment is achieved. adjustments while the engine is running, except where specified in the operator’s Side to Side manual. If the cutting deck appears to be mowing unevenly, a side to side adjustment can be performed.
Steering Adjustment If the tractor does not come to a complete stop when the brake pedal is completely depressed, or if the If the tractor turns tighter in one direction than the other, tractor’s rear wheels can roll with the parking brake or if the ball joints are being replaced due to damage or applied, the brake is in need of adjustment.
SECTION 7: MAINTAINING YOUR LAWN TRACTOR WARNING: • Refill the engine with new motor oil. Before performing maintenance or repairs, disengage PTO, Refer to the Briggs & Stratton Operator/ IMPORTANT: move shift lever into neutral position, set Owner Manual packed with your unit for information parking brake, stop engine and remove key to regarding the quantity and proper weight of motor oil.
SECTION 8: SERVICE Cutting Deck Removal Refer to the tire sidewall for exact tire IMPORTANT: manufacturer’s recommended or maximum psi. Do not To remove the cutting deck, proceed as follows: overinflate. Uneven tire pressure could cause the • Place the PTO (Blade Engage) lever in the cutting deck to mow unevenly.
WARNING: • Use a 15/16" wrench to remove the hex flange nut Failure to use this procedure that secures the blade to the spindle assembly. See could cause sparking, and the gas in either Figure 16. battery could explode. • To properly sharpen the cutting blades, remove Cleaning equal amounts of metal from both ends of the...
Spindle Pulley Idler Pulleys Figure 19 Changing the Transmission Drive Belts the tractor’s drive belts. See an authorized Troy-Bilt Service Dealer to have your drive belts replaced or phone Customer Support as instructed on page 2 for NOTE: Several components must be removed and information on ordering an Troy-Bilt Service Manual.
SECTION 10: ATTACHMENTS & ACCESSORIES The following attachments and accessories are compatible for Model T609 and J609 Lawn Tractors. See the retailer from which you purchased your tractor, an authorized Troy-Bilt Service Dealer or phone 1-866-840-6483 for information regarding price and availability.
SECTION 11: TROUBLESHOOTING Trouble Possible Cause(s) Corrective Action Engine fails to start PTO engaged. Place PTO lever in disengaged (OFF) position. Parking brake not engaged. Engage parking brake. Spark plug wire(s) disconnected. Connect wire(s) to spark plug(s). Throttle control lever not in correct Place throttle lever to FAST position.
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Models J609 & T609 Left Hand Transmission Bolt Mounting 70 58...
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Models J609 & T609 REF. PART REF. PART DESCRIPTION DESCRIPTION 17840 Mounting Bracket, Transaxle 710-0650 Screw, 5/16-18, 0.875 736-0430 Flat Washer,.350 x 1.59 x.062 710-1260A Screw,5/16-18, 0.750 731-2290A Hub Cap 710-1611B Screw, 5/16-18, 0.750 647-04020 Lever Assembly, Shift 711-04159B Pin, 3/8-16 x 2.68 710-0607 Screw, 5/16-18, 0.500 712-3004A...
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Models J609 & T609 To Deck For a proper IMPORTANT: working machine, use Factory Approved Parts. V-belts are designed to engage and disengage safely. A substitute (non OEM) V-belt can be dangerous by not disengaging completely.
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Nut, Flange, Lock Nut, 5/16-18 741-0708 Bearing, Flange, Hex Split.500 ID 712-0271 Nut, Sems, 1/4-20 747-04307 Keeper Rod, Belt 725-1750A Battery, 235 CCA, Super Bronco 747-1112D Engagement Handle, Deck 725-1737A Battery, 190 CCA, Bronco 748-0415B Spacer,.385 ID x.635 OD x 1.54 738-1132 Screw, Shoulder,.250 x.15, 1/4-20...
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710-1611B Screw, 5/16-18 x.750, Bronco 710-0895 Screw, 1/4-15, 0.750, Super Bronco Only 731-1990 Cover, Lift Lever, Super Bronco Only 731-2104C Cover, w/ Cup Holder, Super Bronco Only 731-04591A Cup Holder, Bronco Only 783-04333A Fender, Super Bronco 783-04314A Fender, Bronco 783-0677...
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Model J609 Ref. Part No. Description 710-0227 AB Screw #8-18 x 0.5 710-0599 TT Screw 1/4-20 x 0.5 710-0726 AB Screw 5/16-12 x 0.5 710-1237 T screw #10-32 x 0.625 710-1314A Socket Hd Scr. 5/16-18 x.750 710-1315 TT Screw 3/8-16 x 1.25 712-0271 Sems Nut 721-0208...
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MANUFACTURER’S LIMITED WARRANTY FOR: The limited warranty set forth below is given by Troy-Bilt LLC d. Troy-Bilt does not extend any warranty for products sold with respect to new merchandise purchased and used in the or exported outside of the United States, its possessions United States, its possessions and territories.