Husqvarna 4421-D/DX/DXL, 4421-G/GX/GXL owner manual Kawasaki gasoline engines Adjust valve

Periodic Service Schedule

PERIODIC SERVICE SCHEDULE

REGULAR INTERVAL	SERVICE
		appropriate maintenance and service
		manual.
		Check for leaks around gaskets, fill plugs, etc.
		Kawasaki gasoline engines: Adjust valve
		clearance. See Kawasaki FH680D Service
		Manual.
		Gasoline vehicles: Inspect, clean, and
		gap spark plug; replace if necessary. See
	Engine	authorized dealer or trained technician for
		service.
		Diesel vehicles: Check the v-belt for proper
		tension or damage. Adjust or replace if
Annual service by trained technician only		necessary.
		Diesel vehicles: Change engine coolant. See
(or every 100 hours of operation, whichever
comes first)		Radiator and Cooling System Section in
		the maintenance and service manual.
	Radiator	Diesel vehicles: Check clamps for tightness;
		check hoses for cracks. Replace if necessary.
		Replace air filter element. See Air Intake
	Engine air intake system	System on page 47.
		Check clamps for tightness; check hose for
		cracks.
	General vehicle	Check for loose hardware and tighten if
		necessary.
	Fuel filters	Replace. Dispose of used filters properly.

WARNING

•If any problems are found during scheduled inspection or service, do not operate vehicle until repairs are made. Failure to make necessary repairs could result in fire, property damage, severe personal injury, or death.

HUV 4421 Owner’s Manual Page 35