22MAINTENANCEMAINTENANCEDAILYAT LEASTONCEEACHYEARMAINTENANCE INTERVALIN HOURSBEFORE AFTER 25 50 100 300CHECKThrottle cable for adjustment ■Mower deck for adjustment ● ●Condition of belts, belt pulleys ● ●Caster wheels (at 200 hour intervals) ● ●Engine valve clearance 3) ♦ ♦CHANGESpark plugs ■ ■Engine oil 1) ■ ■Engine oil filter ■ ■Fuel filter ■ ■Paper air filter 2) ■ ■Air cleaner foam pre-filter 2) 4) ■ALSODo the 300-hour service 3) ♦ ♦1) First change after 8-10 hours. Whenoperating with a heavy load or at high ambienttemperatures, replace at 50 hour intervals.2) In dusty conditions, cleaning and replacementare required more frequently.3) Performed by authorized service workshop.4) If equipped.● = Described in this manual♦ = Not described in this manual■ = Refer to the engine manufacturer’s manualIMPORTANT INFORMATION The mower isequipped with a 12-volt negative groundedsystem. The other vehicle must also be a12-volt negative grounded system. Do not useyour mower to start other vehicles.WARNING! Do not short battery terminalsby allowing a wrench or other objects tocontact both terminals at the same time. Beforeconnecting battery, remove metal bracelets,wristwatch bands, rings, etc.Positive terminal must be connected first toprevent sparks from accidental grounding.CAUTION! Always wear eyeprotection when around batteries.IMPORTANT INFORMATION Beforerestarting the unit, be sure to replace guardsthat have been removed for maintence.WARNING! Some replacement batteriesmay differ from OEM battery. Always ensure theRED battery cable is connected to the positive(+) battery terminal and the BLACK cable isconnected to the negative (-) battery terminal.