Husqvarna Z454 Owner Manual - Page 22

MAINTENANCE DAILY MAINTENANCE BEFORE CHECK Throttle cable for adjustment Mower deck for adjustment Condition of belts, belt pulleys Caster wheels (at 200 hour intervals) Engine valve clearance 3) CHANGE Spark plugs Engine oil 1) Engine oil filter Fuel filter Paper air filter 2) Air cleaner foam pre-filter 2) ALSO Do the 300-hour service 3) AFTER AT LEAST ONCE EACH YEAR ♦ MAINTENANCE INTERVAL IN HOURS 25 50 100 300 ■ ● ● ● ♦ ■ ■ ■ ■ ■ ♦ ● = Described in this manual ♦ = Not described in this manual ■ = Refer to the engine manufacturer's manual 1) First change after 8-10 hours. When operating with a heavy load or at high ambient temperatures, replace every 50 hours. 2) In dusty conditions, cleaning and replacement are necessary more frequently. 3) Performed by authorized service workshop. WARNING! Do not short battery terminals by allowing a wrench or other objects to contact both terminals at the same time. Before connecting battery, remove metal bracelets, wristwatch bands, rings, etc. Positive terminal must be connected first to prevent sparks from accidental grounding. IMPORTANT INFORMATION The mower has a 12-volt negative grounded system. The other vehicle must also be a 12-volt negative grounded system. Do not use your mower to start other vehicles. 22