Husqvarna RZ4221 BF / 967176101 warranty Daily At least Maintenance interval Once Hours Each

MAINTENANCE

		Daily		At least		Maintenance interval
				once			in hours
				each
	MAINTENANCE	Before	After	year	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				■				■
Check the caster wheels (every 200 hours)				●					●
Check/adjust the mower deck				●					●
Check the engine valve clearance 3)				♦					♦
Perform the 300-hour service 3)				♦					♦
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)	For daily use, the machine should be lubricated
	twice weekly.
4)	Performed by authorized service workshop.
●
	= Described in this manual
♦	= Not described in this manual
■	= See engine manufacturers’ Owners 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.

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