Husqvarna HUV 4421-D / DXP, HUV 4421-G / GXP owner manual Annual service by

		Periodic Service Schedule
PERIODIC SERVICE SCHEDULE
REGULAR INTERVAL	SERVICE
Annual service by		Check for leaks around gaskets, fill plugs,
trained technician only		etc.
(or every 100 hours of operation,
		Kawasaki gasoline engines: Adjust
whichever comes first)
		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 necessary.
		Diesel vehicles: Change engine coolant.
		See Section 15 – Radiator and Cooling
		System in the maintenance and service
		manual.
		Diesel vehicles: Check clights for
	Radiator	tightness; check hoses for cracks.
		Replace if necessary.
		Replace air filter element. See Air Intake
	Engine air intake system	System on page 42.
		Check clights for tightness; check hose for
		cracks.
	General vehicle	Check for loose hardware and tighten if
		necessary.
	Fuel filters	Replace. Dispose of used filters properly.

ýWARNING

•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.

2007 HUV 4421 Gasoline and Diesel Vehicle Owner’s Manual Page 31