Manuel d'utilisation / d'entretien du produit 643B Super Bronco du fabricant Troy-Bilt
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Rear -tine Tiller Models 643C , 643D T uffy ® / Bronco CR T 643B , 645A Super Bronco TM Model 645A Shown Oper ator’ s Man ual PRINTED IN U.S. A. 769-02357A.fm 11/15/06 FORM NO. IMPOR T ANT : Read saf ety rules and instructions carefully before operating equipment.
2 TABLE OF CONTENTS FINDING MODEL NUMBER This Operator’s Manual is an im portant part of your new tille r. It will help you assemble, pre pare 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 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.
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 ANT : 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 643B & 645A) — 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 Preparing Seedbeds Tilling wet soil often results in large, hard clumps of soil that can inter fere with plant- ing. If time permits, wait a day or two after heavy rains to allow the s oil to dry before tilling. T e st soil by squeezing it into a ball.
15 Tilling On Slopes Read the following recomm endations before tilling on slopes: If you must garden on a moderate slope, please follow two ver y 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).
16 Terrace Gardening (conti nued) • T o create a te rrace, start at the top of the slope an d work down. Go back and forth across the first row as shown in Fig. 4-10. • Each succeeding lower terrace is started by walk ing below the terrace you’re preparing.
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 the gear oil level is okay , securely replace the oil fill plug. IMPORT ANT : Do not operate the tiller if the gear oil level is low .
19 CHECKING AND ADJUSTING FORW ARD DRIVE BELT TENSION It is important to maintain correct tension on the forward drive belt . A l oose bel t wil l 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 forw ard 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 aut horized 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 ART position. 3. Fuel tank em pty . 3. Add fuel. 4. Choke control (if so equipped) in inco rrect position.
23 NOTES.
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25 MODELS 643B, 643C, 643D & 645A REF NO. P ART NO. DESCRIPTION 1 686-04076 Tine Hood Assembly (A) 686-04077 Tine Hood Assembly (B) (C) 2 710-0395 Hex Screw, 5/16-18 x 2.25 3 710-0597 Hex Hd. Screw, 1/4-20 x 1 4 710-0599 Screw, Self -Tapping,1/4-20 x 1/2 5 710-0874 Hex Hd.
26 MODELS 643B, 643C, 643D & 645A * Use as required to obt ain between .005” and .015” allowable end-play . REF NO. P ART NO. DESCRIPTION 1 GW-9517 Snap Ring 2 GW-1714 Bearing, Tapered Roller (with race) 3 GW-50043 Support Washer, Rear 4 711-04110 Drive Shaft 5 GW-1224-1* Shim, Rear Bear ing Cap, .
27 MODELS 643B, 643C, 643D & 645A * Use as required to obt ain between .005” and . 030” allowable end-play . REF NO. P ART NO. DESCRIPTION 2 1909950 Retainer, Snap Ring 3 GW-1166-1* Shim, 0.062" thick GW-1166-2* Shim, 0.030" thick GW-1166-3* Shim, 0.
28 MODELS 643B, 643C, 643D & 645A 22 37 17 15 27 20 47 23 29 8 37 17 32 27 15 20 6 26 1 10 1 4 16 18 43 11 15 9 37 24 38 3 44 19 27 14 13 40 45 12 46 34 21 48 44 23 5 23 39 48 26 36 32 6 3 44 33 2.
29 MODELS 643B, 643C, 643D & 645A REF NO. P ART NO. DESCRIPTION 1 736-0159 Flat Washer, 5/16 2 756-04198 Pulley, Engine Drive 3 656-04023 Transmission Pulley (A) 656-04005 Transmission Pulley (B) .
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TROY -BIL T TILLER LIFETIME LIMITED W A RRANTY WHAT PRODUCT All Troy-Bilt brand ed rear tine 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.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Troy-Bilt 643B Super Bronco c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Troy-Bilt 643B Super Bronco - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Troy-Bilt 643B Super Bronco, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Troy-Bilt 643B Super Bronco va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Troy-Bilt 643B Super Bronco, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Troy-Bilt 643B Super Bronco.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Troy-Bilt 643B Super Bronco. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Troy-Bilt 643B Super Bronco ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
