Husqvarna Z 242F Operator's Manual

21MAINTENANCEMAINTENANCEDAILYAT 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) ■Air cleaner paper filter cartridge 2) ■ALSODo the 300-hour service 3) ♦ ♦CAUTION! Always wear eyeprotection when around batteries.CAUTION! Lead-acid batteries giveoff explosive gases. Keep sparks, flame andsmoking materials away from batteries.IMPORTANT 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 batteryterminals by allowing a wrench or other objectsto contact the two terminals at the same time.Before connecting battery, remove metalbracelets, wristwatch bands, rings, etc.Positive terminal must be connected first toprevent sparks from accidental grounding.● = Described in this manual♦ = Not described in this manual■ = Refer to the engine manufacturer’s manual1) 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.