Walker MB (18 HP) Owner's Manual

Also see for MB: Parts and owners manual Detailed instructions

Contents

Walker MB (18 HP) Owner's Manual Manual pdf 45 page image

43Maintenance Instructions CLEANING/CHECKING/SERVICINGTransaxle Cooling FinsKeeping the cooling fins on the transaxles clean andfree of obstruction is essential to avoid overheat-ing the transmission fluid and shorteningtransmission life. The cooling fins should bechecked every 100 hours; and cleaned ifnecessary.To clean the fins, use compressed air and/or a pres-sure washer. The cooling fins extend all the wayaround the housing -- the fins underneath need to beclean as well as the more visible fins above. Also,pay close attention to the area under the drive pulley.IMPORTANT: In case an oil leak develops on theinput shaft, the cooling fan blowing dusty air and oilon the transmission will quickly pack the cooling finswith oily dirt. If this condition occurs, contact yourdealer immediately to avoid overheating and dam-aging the transaxle.An additional procedure in maintaining transaxlecooling is to inspect the cooling fans. Replace thefan(s) if blades are missing or damaged.Transaxle Cooling FinsCHECKING/SERVICINGSecurity of Air Cleaner SystemNOTE: 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 air cleaner cover.Check for damage. Make sure the cover is in placeand the cover latches are secure - do not run theengine without the air cleaner cover in place andsecure.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 BatteryDANGERTo 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.Cooling FinsCoolingFanDANGERBATTERIES 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.