Troy-Bilt 643B Super Bronco manual Tilling Tips & Techniques CON’T, Tilling On Slopes

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TILLING TIPS & TECHNIQUES (CON’T)

Tilling On Slopes

Read the following recommendations before tilling on slopes:

If you must garden on a moderate slope, please follow two very important guidelines:

1.Till only on moderate slopes, never on steep ground where footing is difficult (review safe- ty rules in Section 1: Safety of this manual).

2.We recommend tilling up and down slopes rather than terracing. Tilling vertically on a slope allows maximum planting area and also leaves room for cultivating.

IMPORTANT: When tilling on slopes, be sure the correct oil level is maintained in the engine (check every one-half hour of operation). The incline of the slope will cause the oil to slant away from its normal level and this can starve engine parts of required lubrication. Keep the motor oil level at the full point at all times!

Tilling Up and Down Slopes (Vertical Tilling)

WARNING: Do not

operate tiller on a slope too steep for safe operation. Till slowly and be sure you have good footing. Never permit tiller to freewheel down slopes. Failure to follow this warning could result in personal injury.

To keep soil erosion to a minimum, be sure to add enough organic matter to the soil so that it has good moisture-holding texture and try to avoid leaving footprints or wheel marks.

When tilling vertically, try to make the first pass uphill as the tiller digs more deeply going uphill than it does downhill. In soft soil or weeds, you may have to lift the handlebars slightly while going uphill. When going downhill, overlap the first pass by about one-half the width of the tiller.

Clearing the Tines

The tines have a self-clearing action which eliminates most tangling of debris in the tines. However, occasionally dry grass, stringy stalks or tough vines may become tan- gled. Follow these procedures to help avoid tangling and to clean the tines, if neces- sary.

To reduce tangling, set the depth regulator deep enough to get maximum “chopping” action as the tines chop the material against the ground. Also, try to till under crop residues or cover crops while they are green, moist and tender.

While tilling, try swaying the handlebars from side to side (about 6" to 12"). This “fishtailing” action often clears the tines of debris.

If tangling occurs, lift the tines out of the soil and run the tiller in reverse (if unit is equipped with powered reverse) for a few feet. This reversing action should unwind a good deal of debris.

It may be necessary to remove the debris by hand (a pocket knife will help you to cut away the material). Be sure to stop the engine and disconnect the spark plug wire before clearing the tines by hand.

WARNING: Before clearing the tines by hand, stop the engine, allow all moving parts to stop and disconnect the spark plug wire. Remove the ignition key on electric start models.

Failure to follow this warning could result in personal injury.

Loading and Unloading the Tiller

WARNING: Loading and unloading the tiller into a vehicle is potentially hazardous and we don’t recommend doing so unless absolutely necessary, as this could result in personal injury or property damage.

However, if you must load or unload the tiller, follow the guidelines given next.

Before loading or unloading, stop the engine, wait for all parts to stop moving, disconnect the spark plug wire and let the en- gine and muffler cool.

The tiller is too heavy and bulky to lift safely by one person. Two or more people should share the load.

Use sturdy ramps and manually (engine shut off) roll the tiller into and out of the vehicle. Two or more people are needed to do this.

The ramps must be strong enough to support the combined weight of the tiller and any han- dlers. The ramps should provide good traction to prevent slipping; they should have side rails to guide the tiller along the ramps; and they should have a locking device to secure them to the

vehicle.

The handlers should wear sturdy footwear that will help to prevent slipping.

Position the loading vehicle so that the ramp angle is as flat as possible (the less incline to the ramp, the better). Turn the

vehicle’s engine off and apply its parking brake.

When going up ramps, stand in the normal operating position and push the tiller ahead of you. Have a person at each side to turn the wheels.

When going down ramps, walk backward with the tiller following you. Keep alert for any obstacles behind you. Position a person at each wheel to control the speed of the tiller. Never go down ramps tiller-first, as the tiller could tip forward.

Place wooden blocks on the downhill side of the wheels if you need to stop the tiller from rolling down the ramp. Also, use the blocks to temporarily keep the tiller in place on the ramps (if necessary), and to chock the wheels in place after the tiller is in the vehicle.

After loading the tiller, prevent it from rolling by engaging the wheels in the WHEEL DRIVE position. Chock the wheels with blocks and se- curely tie the tiller down.

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Contents 11/15/06 Form no -02357A.fmTable of Contents Finding Model NumberCustomer Support Do not put hands or feet near or under rotating parts Safety Alert SymbolCheck all nuts, bolts, and screws for Refer to the Maintenance sectionsKeep children and pets away Use slower engine speedsOperating Symbols MaybeusedonthetillerandengineTo Avoid Serious Injury Inspect Unit AssemblyAssembly Steps IntroductionUse the handlebar to roll the tiller to a flat area Install Forward Clutch CableWith the Forward Clutch Bail Y, Fig While preventing the cable adjuster from turningCheck all nuts and screws for tightness Check Transmission OIL LevelFreewheel Ature package to identify the controls on your engineStop all tiller motion by releasing the Forward Clutch Bail Travel Position Shallow SettingsTo adjust the handlebars To operate the Forward Clutch BailChange engine oil Following steps describe how to start and stop the engineIntroduction BREAK-IN Operation Starting and StoppingTo move the Model 643C in reverse for short distances For forward motion of the wheels and power to the tinesOperating the Tiller Stopping the Engine and TillerTilling Tips & Techniques Read the following recommendations before tilling on slopes Tilling Tips & Techniques CON’TTilling On Slopes Clearing the TinesTerrace Gardening Loading and Unloading the TillerCheck Tire Pressure Transmission Gear OIL ServiceTiller Lubrication Check HardwareTine Inspection Removing⁄Installing a Single TineRemoving⁄Installing a Tine Assembly Bolo TinesChecking and Adjusting Replacement Belt InformationTo Check Forward Belt Tension To Check Reverse Belt Tension Forward Clutch Bail AdjustmentEngine Cleaning AIR Cleaner Service Engine OIL Service Models 643B & 645A onlyTo Change the Engine Oil Spark Plug ServiceSpark Arrester Screen Service OFF-SEASON StorageProblem Possible Cause Correction TroubleshootingPage 643C, 643D 645A Description Models 643B, 643C, 643D & 645AGW-1224-3 Models 643B, 643C, 643D & 645A Models 643B, 643C, 643D & 645A 634-43203 Page Page TROY-BILT Tiller Lifetime Limited Warranty

643B Super Bronco specifications

The Troy-Bilt 643B Super Bronco represents a robust and versatile addition to the world of outdoor power equipment, designed with the needs of gardeners and landscapers in mind. This rear-tine tiller is a notable choice for those looking to cultivate their gardens efficiently and effectively.

One of the standout features of the Troy-Bilt 643B is its powerful 306cc OHV engine, which provides ample torque and ensures that the tiller can tackle tough soil conditions with ease. This engine is specifically designed for superior performance and reliability, allowing users to till effectively in a variety of soil types, from sandy loam to clay.

The tiller boasts a 12-inch tilling width and a tilling depth of up to 8 inches, making it ideal for preparing garden beds and landscaping areas. The adjustable tilling depth allows gardeners to customize their cultivation process, enabling them to penetrate deeper for planting larger crops or more shallow for seedbed preparation.

Equipped with a rear-tine design, the Super Bronco brings several advantages. The rear-tine configuration provides better control and stability while working, making it easier to maneuver in tight spaces. Furthermore, the counter-rotating tines help to break up compact soil while reducing the chances of soil clumping, resulting in a finer tilled surface.

Another remarkable feature is the Troy-Bilt patented "Smart Till" technology, which allows users to select the most suitable tilling method for their specific soil conditions. This innovative technology enhances efficiency, saves time, and ensures that the tiller delivers optimal results with every pass.

For ease of use, the tiller is equipped with large, easy-grip controls and a comfortable handlebar design that reduces fatigue during extended use. Additionally, the rugged construction and all-terrain tires enable the Troy-Bilt 643B to navigate challenging landscapes without issue.

The maintenance of the Super Bronco is user-friendly, with features that facilitate easy access to essential components for tune-ups and repairs. Overall, the Troy-Bilt 643B Super Bronco combines power, technology, and practicality, making it an excellent choice for both novice and experienced gardeners seeking to enhance their outdoor projects.