Instruction/ maintenance manual of the product 634F--Bronco Troy-Bilt
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Rear-tine Tiller Models 630C—T uffy ® 634F—Bronco TM 634A—Super Bronco TM.
2 TABLE OF CONTENTS FINDING MODEL NUMBER This Operator’s Ma nual is an important part of your new lawn tractor. It will help you assemble , prepare and maintain the unit for best performance.
3 Training 1. Carefully read this Own- er’ s Manual, the separate Engine Owner’ s Manual, and any other literature you may receive. Be thoroughly familiar with the controls and the proper use of the tiller and its en- gine. Know how to stop the unit and disen- gage the controls quickly .
4 4 . Exercise caution to avoid slipping or fall- ing. 5 . If the unit should start to vibrate abnor- mally , stop the engine, disconnect the spark plug wire and prevent it from touch- ing the spark plug, and check immediately for the cause. Vibration is generally a warning of trouble.
5 Decals For your safety and the safety of others, vari- ous safety and operational decals are located on your unit (see Figure 1-2). Keep the decals clean and legible at all times. Contact your local service dealer or the factory for replacements if any decals are damaged or missing.
6 WARNING: To prevent personal injury or property damage, do not start the engine until all assembly steps are complete and you have read and understand the safety and operating instructions in this manual. INTRODUCTION Carefully follow these assembly steps to correctly prepare your tiller for use.
7 3. Slide the wheel fully inward on the wheel shaft (N, Fig. 2-3). Reinstall the wheel drive pin (M) through the wheel shaft only (not through the wheel hub). Secure the wheel drive pin with the hairpin cotter (L), pushing the hairpin cotter in as far as it will go.
8 4. Check for correct tens ion on the for ward drive belt by taking two measurements of the cable spring, as follows: a. With the Forward Clutch Bail (Y , Fig. 2- 6) in an open (released) position, measure the length of the cable spring (W) from the outermost coil to the outermost coil.
9 STEP 6: CHECK TRANSMISSION OIL LEVEL The transmission was filled with gear oil at the factory . However , you should check the gear oil level at this time to make certain it is correct. IMPORT A NT : Do not operate the tiller if the gear oil level is low .
10 WARNING: Before operating your machine, carefully read and understand all safety, controls and operating instructions in this Manual, the separate Engine Owner’s Manual, and on the decals on the machine. Failure to follow these instructions can result in serious personal injury.
11 WARNING: Before starting engine, be sure that both wheels are in WHEEL DRIVE position. See Wheels Drive Pins for instructions. Engaging the Forward Clutch Bail or Reverse Clutch Control (if equipped) when the wheels are not in WHEEL DRIVE could allow the tines to rapidly propel the tiller forward or backward.
12 WARNING: Before operating your machine, carefully read and understand all safety (Section 1), controls (Section 3) and operating instructions (Section 4) in this Manual, the separate Engine Owner’s Manual, and on the decals on the machine. Failure to follow these instructions can result in serious personal injur y .
13 Stopping the Engine an d Tiller 1. T o stop the wheels and tines, release the Forward Clutch Bail (all models) or the Re- verse Clutch Control (Models 634F and 634A) — whichever control is in use. 2. T o stop the engine, put the ignition switch and/or the throttle control lever in the “OFF” or “STOP” position.
14 • When preparing a seedbed, go over the same path twice in the first row, then overlap one-half the tiller width on the rest of the passes (se e Fig. 6). When fin- ished in one direction, make a second pass at a right angle, as shown in Fig. 4-7.
15 Power composting simply means tilling under and bur ying in the soil all manner of organic matter such as crop residues, leaves, grass clippings and cover crops. This material will de- compose during the non-growing season and add important natural nutrients to the soil.
16 The tines have a s elf-clearing action which eliminates most tangling of de bris in the tines. However , occa sionally dry gra ss, stringy stalks or tough vines may be- come tangled. Follow these procedure s to help avoid tangling and to clean the tines, if necessary .
17 WARNING: Before inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to come to a complete stop, disconnect spark plug wire and move wire away from spark plug. Remove ignition key on electric start models. Failure to follow these instructions can result in serious personal injury or property damage.
18 4. The gear oil level is correct if the gear oil is approximately halfway up the side of the main drive shaft. 5. If the gear oil level is low , add gear oil as described next. If th e gear oil level is okay , securely replace the oil fill plug. IMPORT A NT : Do not operate the tiller if the gear oil level is low .
19 CHECKING AND ADJUSTING FORW ARD DRIV E BELT TENSION It is important to maintain correct tension on the for ward drive belt. A loo se bel t will cause the tines and wheels to sl ow do wn — or stop completely — even though the en- gine is running at full speed.
20 FORW ARD CLUTCH BAIL ADJUSTMENT If the Forward Clutch Bail does not func- tion properly , first check that the forward drive belt is adjusted properly (see Check- ing and Adjusting Forward Drive Belt T en- sion ). If this fails to correct the problem, contact T roy-Bilt LLC or your authorized dealer for service advice.
21 3. Clean around the oil dipstick or oil fill tube (whichever applies) to prevent dirt from falling into the crankcase. 4. On engines with an oil fill tube, remove the fill cap and add oil (if required) until it reaches the top of the fill tube. Reinstall the fill cap.
22 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE CORRECTION Engine does not start 1. Spark plug wire disconnected. 1. Reconnect wire. 2. Engine Throttle Control L e ver incorrectly set. 2. Put lever in ST A RT position. 3. Fuel tank em pty . 3. Add fuel. 4. Choke control (if so equipped) in inco rrect position.
TR O Y -BIL T TILLER LIFETIME LIMITED W ARRANTY WHAT PRODUCT All Troy-Bilt brand ed rear tin e walk-behind tillers with gear drive transmissions. IS COVERED This warranty begins on the date of p urchase and is warranted by Troy-Bilt LLC fo r the life of the tiller, to the origin al purchaser only.
An important point after buying a device Troy-Bilt 634F--Bronco (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Troy-Bilt 634F--Bronco yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Troy-Bilt 634F--Bronco - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Troy-Bilt 634F--Bronco you will learn all the available features of the product, as well as information on its operation. The information that you get Troy-Bilt 634F--Bronco will certainly help you make a decision on the purchase.
If you already are a holder of Troy-Bilt 634F--Bronco, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Troy-Bilt 634F--Bronco.
However, one of the most important roles played by the user manual is to help in solving problems with Troy-Bilt 634F--Bronco. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Troy-Bilt 634F--Bronco along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
