Manuale d’uso / di manutenzione del prodotto F753B del fabbricante Troy-Bilt
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Wide-Cut TM 33" Combination Mower Models 753B F753B Operator ’ s Manual Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest.
For more details about your unit, visit our website at www .troybilt.com T ABLE OF CONTENTS Content Page Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Assembly .
Safety Alert Symbol This is a safety alert symbol. It is used in this Owner’ s Manual to alert you to potential hazards. Whenever you see this symbol, read and obey the safety message that follows it. Failure to obey the safety message could result in personal injury or property damage.
2 15. Never operate mower in wet grass. Always be sure of your footing; keep a firm hold on the handle and walk; never run. 16. Disengage the Wheel Drive Lever on self-propelled models before starting the engine. 17. If the unit should start to vibrate ab- normally, stop the engine and dis- connect the spark plug wire.
3 10. Mower blades are sharp and can cut. Wrap the blade or wear gloves, and use extra caution when servic- ing them. 11. Do not change the engine governor setting or overspeed the engine. 12. Do not touch engine parts which may be hot from operation.
4 INTRODUCTION Please carefully follow these assembly steps to properly prepare your machine for use. We recommend that you read this Section in its entirety before begin- ning assembly. NOTE: All references to left, right, front and rear of the machine are determined by standing behind the handlebars and facing the direction of forward travel.
Section 2: Assembly STEP 3 A TT ACHING THE BA TTERY CABLES (MODEL F753B) The positive battery terminal is marked Pos. (+). The negative battery terminal is marked Neg. (–). The mower is shipped with the positive (Red) cable secured to the positive ter- minal (+) on the battery.
Section 2: Assembly 1. Remove the vinyl grip (B, Figure 2-6) from the gear select lever (I). Place the wood edge against the edge of the grip and slowly pull off the grip. 2. Insert nylon bushing (Z, Figure 2-6) up into console (L). 3. Slide spring and washers (J) down onto gear select lever.
7 Section 2: Assembly 9. When shift arm (X) is in neutral posi- tion, rotate shift link (P) toward end of gear select lever rod (I). Adjust length of shift link (P) as necessary to fit into hole in bottom of gear select lever (I).
8 IMPORTANT: THE MOWER IS EQUIPPED WITH A BLADE-BRAKE- CLUTCH CONTROL SYSTEM WHICH IS DESIGNED TO STOP THE MOWER BLADES WITHIN THREE (3) SECONDS AFTER RELEASE OF THE OPERATOR PRESENCE CONTROL. THIS SYSTEM WILL STOP THE BLADES BUT NOT THE ENGINE. THEREFORE, YOU CAN DISEN- GAGE THE BLADE DRIVE AT ANYTIME WITHOUT HAVING TO STOP AND RESTART THE ENGINE.
9 Section 3: Features and Controls Gear Select Lever Use this lever (C, Figure 3-1) to select any of four forward ground speeds (1 - Slow, 2 and 3 - Medium, 4 - Fast), N (Neutral) and R (Reverse). The gear shift pattern is shown in Figure 3-2. To avoid damaging the transmis- sion, do not shift gears when the mower is moving.
10 Engine Throttle Control This lever (G, Figure 3-6) is used to adjust engine speeds and, on non- Electric Start models, to stop the engine. Always run engine at fast speed setting for best mower performance.
11 BEFORE OPERA TING MOWER 1. Pre-Operation Checklist With the spark plug wire disconnected from the spark plug, perform the follow- ing checks and services before each use: 1. Review Section 1: “Safety” and Section 3, “Features and Controls” in this man- ual.
12 3. T est Blade-Brake-Clutch Control System The mower is equipped with a blade- brake-clutch which is designed to stop the mower blades within three (3) seconds after release of the Operator Presence Control or the Blade Drive Control. Never tamper with, or attempt to defeat the purpose of this safety device.
Section 4: Operation 4. To start engine using recoil starter: A. Stand on left side (as viewed from behind handlebars) of machine. Be sure your feet are safely away from the underside of the mower deck and all mower controls are released. Place one foot on top of tire.
Section 4: Operation C. Put the Gear Select Lever (C, Figure 4-2) in R (reverse) setting by first moving lever to N (neutral). Then pull lever up, turn it to R position, and release lever. D. To start the wheels, slowly squeeze Wheel Drive Control (D, Figure 4-2).
15 Section 4: Operation BLADE BRAKE CONTROL TEST When the Operator Presence Control is released during operation of the mower, the engine does not stop, but the blades should stop within three (3) seconds. The following test provides a visual test of whether the Blade Brake Control System is functioning.
Carefully read this Section on mower and engine maintenance and service. Performing the required maintenance according to schedule will ensure the proper performance and long life of your machine.
17 Section 5: Maintenance ENGINE CLEANING • Stop engine, wait for parts to stop moving, disconnect spark plug wire, and allow engine to cool before in- specting or cleaning engine. • Daily or more often, before running en- gine, remove grass and chaff from recoil finger guard or rotating screen to prevent engine damage caused by overheating.
18 ENGINE STORAGE If engine will be unused for 30 days or more, prepare it for storage by following the recommended procedures found in the Engine Owner’s Manual. MOWER SERVICE The following maintenance/repair proce- dures can be performed by either the owner or an authorized service dealer.
19 Section 5: Maintenance BLADE DRIVE BEL T REPLACEMENT Follow this procedure to remove and re- place the blade drive belt. An assistant will be needed. To Remove Belt: 1. Stop engine, wait for all parts to stop moving, and disconnect spark plug wire.
20 Section 5: Maintenance BLADE BRAKE REPLACEMENT Follow this procedure to install a new blade brake. To Remove Blade Brake: 1. Stop engine, wait for all parts to stop moving, and disconnect spark plug wire. 2. Remove belt cover as described in “Belt Cover Removal” instructions.
21 Section 5: Maintenance WHEEL DRIVE BEL T REPLACEMENT Follow this procedure to replace the wheel drive belt. 1. Stop engine, wait for all parts to stop moving, and disconnect spark plug wire. 2. Release all mower controls. 3. Remove belt cover as described in “Belt Cover Removal” instructions.
Section 5: Maintenance 3. Slowly adjust at nut (O), if necessary, until the distance between the back of brake arm (N) and bracket (P) is 3/8”- 5/16". Use small adjustments (1/4 turn maximum). NOTE: It may be necessary to relieve spring tension when decreas- ing distance.
Section 5: Maintenance MOWER BLADES Examine mower blades before operation. For efficient mowing, cutting edges of blades should always be kept sharp. Check for blade wear or damage. See Figure 5-16. Replace a severely worn or damaged blade with a new one.
24 Section 5: Maintenance BA TTERY MAINTENANCE Battery Care in Service The battery is sealed and is mainte- nance-free. Acid levels cannot be checked. • Always keep the battery cables and ter minals clean and free of corrosive build-up.
25 Section 5: Maintenance Lubrication Chart LUBRICATION TYPE Change Oil Change Oil (Lubrication Intervals Vary with Operating Conditions and Type of Oil Used) Grease Light Oil Grease ITEM Engine Crank.
26 Section 5: Maintenance *Interval describes running time. **A hand-type grease gun is recommended when greasing your unit. High-pressure type grease guns could cause damage to fit- tings/seals. ***Consult engine manual for more detailed engine service infor- mation.
27 Engine does not turn over. Engine turns over but will not start. Engine starts only after repeated tries. Engine runs roughly. Engine stalls in a few seconds. Engine runs but unit does not move. Wheel drive always engaged. Engine stalls when hot. Engine overheats.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Troy-Bilt F753B è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Troy-Bilt F753B - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Troy-Bilt F753B imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Troy-Bilt F753B ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Troy-Bilt F753B, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Troy-Bilt F753B.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Troy-Bilt F753B. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Troy-Bilt F753B insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
