254. When the battery is fully charged, unplug the chargerfrom the electrical outlet.5. Disconnect the charger leads from the battery posts(Fig. 20).4123m-4970Figure 201. Positive battery post2. Negative battery post3. Red (+) charger lead4. Black (–) charger lead6. Install the battery in the machine and connect thebattery cables; refer to Installing the Battery on page 24.Note: Do not run the machine with the batterydisconnected; electrical damage may occur.Servicing the Air CleanerFoam Element: Clean after every 25 operating hours, oryearly, whichever occurs first.Paper Element: Replace after every 100 operating hours oryearly, whichever occurs first.Note: Service the air cleaner more frequently (every fewhours) if operating conditions are extremely dusty or sandy.Removing the Foam and Paper Elements1. Set the parking brake, stop the engine, and remove theignition key.2. Clean around the air cleaner to prevent dirt from gettinginto the engine and causing damage. Pull up on the aircleaner cover handle and rotate it toward the engine(Fig. 21). Remove the air cleaner cover.12Figure 211. Air cleaner cover 2. Air cleaner cover handle3. Carefully slide the paper element and foam elementfrom the blower housing (Fig. 22).2135 4Figure 221. Paper element2. Foam element3. Air cleaner cover4. Tab5. Slot