Évaluations - 3, GPA: 3.7 ( )

Fabricant : Ferris Industries Taille : 3.52 mb Nom Fichier : Langue d'enseignement:

Stationary Idler Pulley 1. Park the tractor on a smooth, level surface such as a concrete floor. Disengage the PTO, engage the parking brake, turn off the engine, and remove the ignition key. 2. Lower the mower deck to its lowest cutting position and remove the mower deck guards. 3. Using a 1/2” breaker bar, place the square end in the square hole located in the end of the idler arm (A, Figures 41). Carefully rotate the breaker bar clockwise, which will relieve the tension on the belt exerted from the idler arm. WARNING Use extreme caution when rotating the idler arm with the breaker bar, due to the increased tension in the spring as the idler arm is being rotated. Injury may result if the breaker bar is prematurely released while the spring is under tension. 4. Slide the drive belt over the edge of the stationary idler pulley (B). Carefully release the tension on the breaker bar. 5. Remove the old belt and replace with a new one. Make sure the V-side of the belt runs in the pulley grooves (Figure 42). 6. Install the drive belt on the PTO pulley, the spindle pulleys and all idler pulleys except the stationary pulley (B, Figure 41). Carefully rotate the breaker bar clockwise and install the belt on the stationary idler pulley (B). Carefully release the tension on the breaker bar. 7. Reinstall the mower deck guards. 8. Run the mower under no-load condition for about 5 minutes to break-in the new belt. Figure 42. Mower PTO Belt Routing A. Spindle Pulley B. PTO Drive Belt C. Spring-loaded Idler Pulley D. Stationary Idler Pulley B CD A A A D 41 Troubleshooting Troubleshooting Troubleshooting, Adjustment & Service BATTERY SERVICE WARNING Keep open flames and sparks away from the battery; the gasses coming from it are highly explosive. Ventilate the battery well during charging. Checking Battery Voltage A voltmeter can be used to determine condition of battery. When engine is off, the voltmeter shows battery voltage, which should be 12 volts. When engine is running, the voltmeter shows voltage of charging circuit which normally is 13 to 14 volts. A dead battery or one too weak to start the engine may not mean the battery needs to be replaced. For example, it may mean that the alternator is not charging the battery properly. If there is any doubt about the cause of the problem, see your dealer. If you need to replace the battery, follow the steps under Cleaning the Battery & Cables in the Regular Maintenance Section. Charging a Completely Discharged Battery 1. Be aware of all the safety precautions you should observe during the charging operation. If you are unfamiliar with the use of a battery charger and hydrometer, have the battery serviced by your dealer. 2. Add distilled water sufficient to cover the plate (fill to the proper level near the end of the charge). If the battery is extremely cold, allow it to warm before adding water because the water level will rise as it warms. Also, an extremely cold battery will not accept a normal charge until it becomes warm. 3. Always unplug or turn the charger off before attaching or removing the clamp connections. 4. Carefully attach the clamps to the battery in proper polarity (usually red to [+] positive and black to [-] negative). 5. While charging, periodically measure the temperature of the electrolyte. If the temperature exceeds 125° F (51.6° C), or if violent gassing or spewing of electrolyte occurs, the charging rate must be reduced or temporarily halted to prevent battery damage. 6. Charge the battery until fully charged (until the specific gravity of the electrolyte is 1.250 or higher and the electrolyte temperature is at least 60° F). The best method of making certain a battery is fully charged, but not over charged, is to measure the specific gravity of a cell once per hour. The battery is fully charged when the cells are gassing freely at low charging rate and less than 0.003 change in specific gravity occurs over a three hour period. Jump Starting With Auxiliary (Booster) Battery Jump starting is not recommended. However, if it must be done, follow these directions. Both booster and dis-charged batteries should be treated carefully when using jumper cables. Follow the steps below EXACTLY, being careful not to cause sparks. Refer to Figure 43. 1. Both batteries must be of the same voltage. 2. Position the vehicle with the booster battery adjacent to the vehicle with the discharged battery so that booster cables can be connected easily to the batteries in both vehicles. Make certain vehicles do not touch each other. 3. Wear safety glasses and shield eyes and face from batteries at all times. Be sure vent caps are tight. Place damp cloth over vent caps on both batteries. 4. Connect positive (+) cable to positive post of discharged battery (wired to starter or solenoid). 5. Connect the other end of same cable to same post marked positive (+) on booster battery. 6. Connect the second cable negative (-) to other post of booster battery. 7. Make final connection on...

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