Assembly Instructions18SETUP INSTRUCTIONSWalker Mowers are shipped partially assembled toour distribution network, and are typically assem-bled by the selling dealer. For any additional as-sembly besides the following, contact your Walkerdealer.Tire Installation (Tractor)● Install the drive tires using the eight (8) lugbolts that are supplied with the Owner’s Packet ofmaterials. Bolts are torqued to 75 to 85 lb·ft (102to 115 N·m). Drive tires are 18 x 9.50-8, 4-ply;rear tires are 13 x 5.00-6, 4-ply.● Check and adjust the inflation of the tires.The tire inflation recommendations are:Drive = 15 PSI (103 kPa)Tailwheel = 20 PSI (137 kPa)Battery ServiceCAUTIONImportant Battery Service, Installation, andCharging Tips:● Do not allow the battery cables to touchopposing terminals. When connecting bat-tery cables attach the positive (+) cable topositive (+) battery terminal first, followedby negative (-) cable to negative (-) batteryterminal.● Never start the engine when the cablesare loose or poorly connected to the bat-tery terminals.● Never disconnect battery while engineis running.● Never use a quick battery charger tostart the engine.Raise front mower body up for battery access (referto Front Body Latch Release in Operating Instructions). Check the battery for electrolyte level andcharge. The electrolyte level should be at the bot-tom of the vent wells [1/4 to 1/2 in. (6 to 13 mm)above plates]. If the specific gravity is less than1.225, the battery needs charging. If the battery hasbeen shipped dry, or is wet but needs service, referto the following instructions.IMPORTANT: Make sure battery is securely mount-ed in the frame. A loose battery may cause damageto the case resulting in acid leakage and severedamage to the machine. A hazard may be createdby damage to critical working parts and safety sys-tems.Wet Battery ServiceIf the battery has been shipped wet, but the electro-lyte level is low or the battery needs to be chargedthen:1. Fill each battery cell with distilled water to thebottom of the vent wells.2. Charge battery. Refer to Battery Charging inthis section.Dry Battery ServiceDANGERActivating a battery can be dangerous.The battery should be taken to a reliableservice station, battery store, or powerequipment dealer where a trained techni-cian can activate the battery safely. DONOT attempt to activate the battery unlessyou are experienced in battery servicework. The following activation and charg-ing instructions are provided for use by atrained battery technician.DANGERBattery electrolyte is a poisonous and cor-rosive sulfuric acid solution.● Avoid spillage and contact with skin,eyes, and clothing - causes severe burns.● To prevent accidents, wear safety gog-gles and rubber gloves when working withelectrolyte.● Neutralize acid spills with baking sodaand water solution.