Husqvarna MZ 52LE Limited Edition Operation Manual - Page 24

MAINTENANCE Caster Wheels Check every 200 hours. Check that wheels rotate freely. Foam filled tires or solid tires will void the warranty. To replace, remove nut and caster bolt. Pull the wheel out of the yoke and take care with the spacer. Reinstall in reverse order. Tighten the caster bolt and torque to 45 ft-lbs (61 Nm). NOTE: Tire must rotate freely but axle spacers must not. If wheels do not rotate freely take the unit to the dealer for service. 3. Using two 1/2" wrenches disconnect BLACK battery cable then RED battery cable. 4. Carefully remove the battery from the mower 5. Rinse the battery with plain water and dry. 6. Clean terminals and battery cable ends with a wire brush until shiny. 7. Coat the terminals with grease or petroleum jelly. Replacing 1. Install the new battery with terminals in the same position as the old battery. 2. Connect RED battery cable first to positive (+) battery terminal. 3. Connect BLACK grounding cable to negative (-) battery terminal. 4. Slide mount bracket back up over battery and retighten wing nuts. CAUTION! Always wear eye protection when around batteries. Battery Your mower is equipped with a maintenance free battery and does not need servicing. However, periodic charging of the battery with an automotive type battery charger will extend its life. • Keep battery and terminals clean. • Keep battery bolts tight. • See chart for charging times. Cleaning the battery and terminals Corrosion and dirt on the battery and terminals can cause the battery to lose power. 1. Lift the seat and rotate fully forward until supported by the seat rod. 2. Loosen the two wing nuts attached to the side J bolts just enough that the battery mount bracket slides down off the battery. STD BATTERY STATE OF CHARGE APPROXIMATE CHARGING TIME* TO FULL CHARGE AT 80O F Maximum Rate at: 50 Amps 30 Amps 20 Amps 10 Amps 12.6V 100% - FULL CHARGE - 12.4V 75% 20 min. 35 min. 48 min. 90 min. 12.2V 50% 45 min. 75 min. 95 min. 180 min. 12.0V 25% 65 min. 115 min. 145 min. 280 min. 11.8V 0% 85 min. 150 min. 195 min. 370 min. *Charging time depends on battery capacity, condition, age, temperature and efficiency of charger WARNING! Do not short battery terminals by allowing a wrench or other objects to contact both terminals at the same time. Before connecting battery, remove metal bracelets, wristwatch bands, rings, etc. Positive terminal must be connected first to prevent sparks from accidental grounding. IMPORTANT INFORMATION Do not try to open or remove caps or covers. Adding or checking the level of electrolyte is not necessary. Always use two wrenches for the terminal screws. 24