Walker MBSSD (27 HP) Owner's Manual

Contents

Walker MBSSD (27 HP) Owner's Manual Manual pdf 51 page image

47Maintenance Instructions CHECKING/SERVICINGCHECKING/SERVICINGSecurity of Air Filtration ComponentsNOTE: The following inspection is only an externalinspection and should be done without “disturb-ing” the filtration components.On a daily basis, visually inspect the external condi-tion of the complete air cleaner system. Thefollowing items should be inspected:1. Check the Cummins/Fleetguard OptiAir™ aircleaner canister for damage. Make sure thecover is in place and the cover latch is secure -do not run the engine without the air cleanercover in place and secure.2. Inspect the air intake hose for cracks, nicks,cuts, etc., and check the hose clamps fortightness.3. Check to make sure the air flow indicator is inplace and tight.BatteryNOTE: For initial battery service during setup, referto Battery Service in Assembly Instructions.IMPORTANT: Make sure battery is securelymounted in the frame. A loose battery may causedamage to the case resulting in acid leakage andsevere damage to the machine. A hazard may becreated by damage to critical working parts andsafety systems.Cleaning the TerminalsIf battery terminals are corroded, remove batteryfrom the mower. Using a wire brush, remove corro-sion with a solution of one part baking soda andfour parts water. Rinse with clean water. Coat theterminals with petroleum jelly or terminal protectorspray to retard further corrosion.Charging the BatteryCheck the battery charge by measuring the specificgravity of electrolyte; if specific gravity is less than1.225, the battery will need to be charged as follows:• Charge the battery at 15 amps for 10 minutes.DO NOT exceed 20 amps maximum recommendedcharging rate. Charge until specific gravity is atleast 1.250. Total charging time should not exceedone (1) hour.Tire PressureInflate tires to pressures shown below:Deck Caster Wheel = 20 PSI (137 kPa)Drive = 15 PSI (103 kPa)Rear = 20 PSI (137 kPa)Wheel Nuts TorqueCheck every 100 hours the eight (8) Drive Tiremounting nuts. They should each be torqued to75-85 ft-lbs. (101.7-115.2 N·m).Sharpen Mower BladesCheck mower blade(s) for straightness, sharp-ness, condition of the cutting edge, and balanceevery 10 hours of operation (or more often whenmowing abrasive type grass or operating on sandysoils). Replace blades if worn, bent, cracked, orotherwise damaged (refer to REPLACING/REPAIRING the Mower Blades in this section).Use the following procedure to check and sharpenblades:DANGERTo prevent accidental starting of the en-gine when servicing or adjusting the ma-chine, remove the key from the ignitionswitch and disconnect the spark plugwires.DANGERBATTERIES PRODUCE EXPLOSIVEGASES• Charge the battery in a well-ventilatedarea, so that gases produced while charg-ing can dissipate.• Keep sparks, flames, and smoking ma-terials away from the battery at all times.• Make sure the battery cap vents are open(check manifold vent on each cap).• Make sure the battery charger is un-plugged before connecting or discon-necting cables to the battery.