Table of Contents
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Operator's Manual
Automatic Lawn Tractors
Super Bronco TM
Bronco
TM
(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
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.
MTD LLC, P.O. BOX 361131 CLEVELAND,
OHIO 44136-0019
PRINTED IN U.S.A.
FORM NO. 770-10490F
(12/1/2004)
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Table of Contents
Related Manuals for Troy-Bilt Bronco J609
Summary of Contents for Troy-Bilt Bronco J609
- Page 1 ® Operator's Manual Automatic Lawn Tractors Super Bronco TM 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...
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Page 2: Customer Support
TABLEOFCONTENTS Content Page Content Page Customer Support Maintaining Your Lawn Tractor Important Safe Operation P ractices Service Slope Gauge Off Season Storage Tractor S et-Up Attachments & Accessories Know YourLawn Tractor Troubleshooting Operating Y ourLawn Tractor Parts List Making Adjustments Warranty FINDINGMODELNUMBER This Operator's Manual is an important part of your new lawn tractor. -
Page 3: Section 1: Important Safeoperation P Ractices
SECTION 1: IMPORTANT SAFEOPERATION P RACTICES 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. -
Page 4: Slope Operation
23. Muffler a ndengine become hotandcancause a Follow the manufacturer's recommendations burn. D onottouch. wheel weights or counterweights to improve 24. Check overhead c learances carefully b efore driving stability. under lowhanging treebranches, wires, d oor Use extra care with grass catchers or other openings e tc.,where theoperator m aybestruck or attachments. -
Page 5: Safe Handling Of Gasoline
e. Useextreme carewhen approaching blind Extinguish all cigarettes, cigars, pipes and corners, d oorways, shrubs, treesor other other sources of ignition. objects thatmayblock yourvision ofachild Neverfuel machine indoors. whomayrunintothemachine. Never remove gas cap or add fuel while the f. Toavoidback-over a ccidents, a lways engine is hot or running. -
Page 6: Your Responsibility
8. Never t amper w iththesafety interlock s ystem or Forsafety protection, frequently checkcomponents othersafety devices. Check theirproper o peration andreplace immediately withoriginal e quipment regularly. manufacturer's (O.E.M)parts only,listedinthis 9. Afterstriking a foreign object, s toptheengine, manual. "Use ofpartswhich donotmeet t he disconnect thesparkplugwire(s) a ndground original e quipment specifications mayleadto against theengine. - Page 7 Sight and h01dthis levelwith a vertical tree... >, or a corner of a building... or a fence post "5 eatsa150 >, >, ¢ 15° I,,I.I u WARNING o_ °- Do not mowon inclines with aslopein excessof 15degrees(arise of approximately 2-1/2 feet every lOfeet). Ariding mower o_ 09 could overturn and cause serious injury.
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Page 8: Section 3: Tractor Set-Up
SECTION 3: TRACTOR SET-UP Attaching the BatteryCables 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. (+). The negative battery terminal is marked Neg. (-). IMPORTANT: You r tractor is shipped with motor oil in the engine. -
Page 9: Section 4: Know Your Lawntractor
SECTION 4: KNOW YOUR LAWNTRACTOR C" NOTE: Steering Wheel not shown for clarity. Figure 3 PTO (Blade Engage) Lever 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:... -
Page 10: Ignitionswitch Module
ThrottleControl L ever IgnitionSwitch Module The throttle control lever is located on the right side of WARNING: Never leave a running machine the tractor's dash panel. This lever controls the speed unattended. Always disengage PTO, move of the engine and, on the Bronco models, when pushed shift lever into neutral position, set parking all the way forward, the choke control also. - Page 11 Ammeter NOTE: The parking brake must be set if the operator leaves the seat with the engine running or the engine DP SV The ammeter measures the will automatically shut off. electrical output of the engine's charging system. Under IMPORTANT: Always set the parking brake when normal operating conditions, leaving the tractor unattended.
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Page 12: Section 5: Operating Y Our Lawntractor
ON while should ever malfunction, do not operate the tractor. activated. See Figure 7. Contact an authorized Troy-Bilt service dealer. Once activated (indicator light ON), the tractor can • The safety interlock system prevents the engine... -
Page 13: Settingthecutting Height
SettingtheCutting Height Stoppingthe 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. -
Page 14: Driving On Slopes
• 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 ORDEATH drive pedal will lock in the "down" position, and the tractor will maintain the same forward speed. - Page 15 Mowing • Never attempt to mulch if the lawn is damp. Wet grass tends to stick to the underside of the cutting deck preventing proper mulching of the clippings. WARNING: To help avoid blade contact or • Do NOT attempt to mulch more than 1/3 the total a thrown object injury,...
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Page 16: Section 6: Making Adjustments
SECTION 6: MAKING ADJUSTMENTS • Retighten the two jam nuts loosened earlier when proper adjustment is achieved. adjustments while engine is running, WARNING: Never attempt to make any 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. -
Page 17: Steering Adjustment
If the tractor does not come to a complete stop when SteeringAdjustment 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. -
Page 18: Section 7: Maintaining Your Lawntractor
SECTION 7: MAINTAINING YOUR LAWNTRACTOR • Refill the engine with new motor oil. maintenance or repairs, disengage PTO, WARNING: Before performing IMPORTANT: Refer to the Briggs & Stratton Operator/ move shift lever into neutral position, 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. -
Page 19: Cutting Deckremoval
SECTION 8: SERVICE IMPORTANT: Refer to the tire sidewall for exact tire Cutting DeckRemoval 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. -
Page 20: Cutting Blades
• Use a 15/16" wrench to remove the hex flange nut that secures the blade to the spindle assembly. See could cause sparking, and the gas in either WARNING: Failure to use this procedure Figure 16. battery could explode. • To properly sharpen the cutting blades, remove Cleaning equal amounts of metal from both ends of the... -
Page 21: Changing Thedeckbelt
Service Dealer to have your drive belts replaced phone Customer Support as instructed on page 2 for NOTE: Several components must be removed and information on ordering an Troy-Bilt Service Manual. special tools (i.e. air/impact wrench) in order to change... -
Page 22: Section 9: Off-Season S Torage
SECTION 9: OFF-SEASON S TORAGE Clean and lubricate the tractor as instructed in Section 7: Follow the instructions in the Service, Storage & MAINTAINING YOUR LAWNTRACTOR on page 18 of this Specifications section of the Briggs & Stratton manual before storing for an extended period. Operator/Owner Manual for proper engine care prior to storing your tractor. -
Page 23: Section 11: Troubleshooting
SECTION 11: TROUBLESHOOTING Corrective Action Trouble Possible Cause(s) 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. -
Page 24: Section 12: Parts List
SECTION 12: PARTS LIST... - Page 25 Models J609 & T609 PART DESCRIPTION 710-04095 Hex Screw, 3/8-16, 1.00, Gr5 710-0514 Hex Screw, 3/8-16, 1.00, Gr5 710-0643 Hex Screw, 5/16-18, 1.00, Gr5 711-1408 Link, Drag, RH 711-1409A Link, Drag, LH 712-0214 Nut, Hex Lock, 3/8-24 712-04065 Nut, Flange Lock, 3/8-16, Grf, Nylon 712-0459 Nut, Flange Lock, 7/16-20 712-3004A...
- Page 26 Models J609 & T609 ® ®...
- Page 27 Models J609 & T609 PART REF. PART DESCRIPTION DESCRIPTION 783-1346 Bracket, Grill Support 712-0142 Nut, Hex, #8-32 710-0528 Brake Lever Screw, 5/16-18 x 1.25 731-04728 710-0599 Cruise Control Lever Screw, 1/4-20, 0.500 731-04729 712-3010 Dash Panel Hex Nut, 5/16-18 731-05001 710-0895 Control Knob Screw, 1/4-15, 0.750...
- Page 28 ModelsJ609 & T609 ®...
- Page 29 Models J609 & T609 PART REF. PART DESCRIPTION DESCRIPTION 17840 710-0650 Mounting Bracket, Transaxle Screw, 5/16-18, 0.875 736-0430 710-1260A Flat Washer,.350 x 1.59 x.062 Screw,5/16-18, 0.750 731-2290A 710-1611B Hub Cap Screw, 5/16-18, 0.750 647-04020 711-04159B Lever Assembly, Shift Pin, 3/8-16 x 2.68 710-0607 712-3004A Screw, 5/16-18, 0.500...
- Page 30 Models J609 & T609 To Deck © IMPORTANT: For a proper 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.
- Page 31 Models J609 & T609 PART REF. PART DESCRIPTION DESCRIPTION 17962 683-04173 Plate, Switch Frame Assembly, Lower 647-04036 710-0607 Lever Assembly, Engagement Screw, 5/16-18, 0.500 710-0809 710-0642 Screw, 1/4-20 x 1.250 Screw, 1/4-20, 0.750 710-0859 710-3005 Screw, 3/8-16, 2.50 Screw, 3/8-16, 1.25, Gr5 710-0276 712-04064 Screw, Carriage, 5/16-18, 1.00...
- Page 32 ModelsJ609 & T609...
- Page 33 Models J609 & T609 PART DESCRIPTION 712-04063 Nut, Flange Lock, 5/16-18, GrF, Nylon 757-04009A Medium Back Seat, Super Bronco 757-04001 Low Back Seat, Bronco 726-3046 Ratchet Clip 735-0656 RH Foot Pad, Rubber, Super Bronco 735-0672 RH Foot Pad, Bronco 735-0657 LH Foot Pad, Rubber, Super Bronco 735-0673 LH Foot Pad, Bronco...
- Page 34 Models J609 & T609 1112 12 11...
- Page 35 Models J609 & T609 PART DESCRIPTION 732-0614 Ring, Wire 716-0231 Ring, E Type,.750 736-0336* Flat Washer, 5/8 x 1.0 x.030 736-0337* Flat Washer, 5/8 x 1.0 x.040 736-0349* Flat Washer, 5/8 x 1.0 x.020 736-0335 Washer, Thrust.635 x 1.26 x.06 710-1325 Self-tapping Screw, 1/4-20 x 1.625 719-04017...
- Page 36 Models J609 & T609 \\\\\\...
- Page 37 Models J609 & T609 PART REF. PART DESCRIPTION DESCRIPTION 618-0624 736-0270 Pulley/Spindle Assembly Bell Washer,.265 x.75 x.062 683-04138 736-0289 Deck Brake Assembly Shoulder Bushing,.320 ID x.135 Lg. 683-04162 736-0267 42" Deck Assembly Fiat Washer,.385 x.87 x.06 683-04167 736-0225 Deck Brake Assembly Lock Washer, 5/8 683-0254B 750-04446...
- Page 38 ModelJ609 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...
- Page 39 NOTES...
- Page 40 MANUFACTURER'S LIMITED WARRANTY FOR: ® The limited warranty set forth below is given by Troy-Bilt LLC 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.