Husqvarna RZ4219 Operator's Manual page 35

MAINTENANCE
Maintenance
Daily
Before After
Weekly
i At
_/east
once
each
;;year
Maintenance interval
in hours
25 50 100 300
Check/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 the air filter (paper filter) 2) • •
Check the caster wheels (every 200 hours) •
Replace the air cleaner's pre-filter 2)(foam) •
Check/adjust the mower deck • •
Check the engine valve clearance 3) 0 0
Perform the 300-hour service 3) 0 0
1) First change after 5-8 hours. When operating with a heavy load or at high ambient temperatures, replace every 50 hours. 2) In dusty
conditions, cleaning and replacement are required more often. 3) Performed by authorized service workshop.
• = Described in this manual
0 = Not described in this manual
WARNING!
Before performing any service or adjustment checklist
• Engage the parking brake.
• Place the Blade-switch in the disengaged position.
• Turn the ignition switch to "OFF" position and remove the key.
• Make sure the blades and all moving parts have completely stopped.
• Disconnect the spark plug wire from all spark plugs and place the wire where it
cannot come in contact with the plug.
Husqvarna-35