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Periodic Service Schedule
2007 HUV 4421 Gasoline and Diesel Vehicle Owner’s Manual Page 31
ý 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.
Semiannual service by trained
technician only
(or every 50 hours of operation,
whichever comes first)
Battery
Clean terminals and wash dirt from
casing; check electrolyte level. Add
distilled water if necessary. See page 45.
Front wheel alignment and toe-in
Check and adjust if necessary. See
Section 7 – Steering and Front
Suspension in the appropriate
maintenance and service manual.
Electrical wiring and connections Check for tightness and damage.
Brake system
Inspect master cylinder, brake lines, and
hoses for damage or leakage.
Check park brake cables for damage;
replace if necessary.
Check brake pads and discs; replace if
necessary. For brake wear-in
procedure, see Hydraulic Brakes in the
Pre-Operation and Daily Safety
Checklist on page 17. See also Section
6 – Brake System in the appropriate
maintenance and service manual.
Annual service by
trained technician only
(or every 100 hours of operation,
whichever comes first)
Engine
Check for leaks around gaskets, fill plugs,
etc.
Gasoline vehicles: Inspect, clean, and
gap spark plug; replace if necessary. See
authorized Husqvarna 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.
Radiator
Diesel vehicles: Check clamps for
tightness; check hoses for cracks.
Replace if necessary.
Engine air intake system
Replace air filter element. See Air Intake
System on page 41.
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.
PERIODIC SERVICE SCHEDULE
REGULAR INTERVAL SERVICE