Husqvarna MZ 52LE Operator's Manual

WARNING! Before performing any service oradjustment checklist• Engage the park brake.• Place the Blade-switch in the disengaged position.• Turn the ignition switch to OFF position and removethe key.• Make sure the blades and all moving parts havecompletely stopped.1) First change after 8-10 hours. When operating with a heavy load orat high ambient temperatures, replace every 50 hours.2) In dusty conditions, cleaning and replacement are required moreoften.3) Performed by authorized service workshop.● = Described in this manual♦ = Not described in this manual■ = Refer to the engine manufacturer's manualWARNING!Escaping hydraulic oil under pressure can have sufficientforce to penetrate the skin, causing serious injury. If injuredby escaping fluid, see a doctor at once. Serious infectionor reaction can develop if proper medical treatment is notadministered immediately.MAINTENANCEDailyAt leastonceeachyearMaintenance intervalin hoursBefore After 50 250 500Check/adjust throttle cable ■Check the condition of belts, belt pulleys ● ●Change the engine oil 1)■ ■Replace the engine oil filter ■ ■Clean/replace the spark plugs ■ ■Replace the fuel filter ● ●Replace paper air filter 2)■ ■Check the caster wheels (every 200 hours) ● ●Replace the air cleaner’s foam pre-filter 2)■Change the hydraulic oil (every 500 hours) ● ●Replace the hydraulic oil filter (every 500 hours) ● ●Dismantle and inspect starter 3) (every 500 hours) ♦Check/adjust the mower deck ● ●Check the engine valve clearance 3)♦ ♦Perform the 500-hour service 3)♦ ♦22MAINTENANCE