Husqvarna HUV 4421 4421-G/GX/GXL - Manual (Page 50)

Fueling Instructions
FUELING INSTRUCTIONS
See General Warnings on page 11.
DANGER
• Turn the key switch to the OFF position before fueling.
• Do not pour fuel into the fuel tank when the engine is hot or while it is running.
• To avoid electric arc caused by static electricity, the fuel storage/pumping device must be grounded. If
the pump is not grounded, the vehicle must be grounded to the pump before and during the fueling
operation.
• To avoid the possibility of fire, clean up any spilled fuel before operating the vehicle.
1. Remove the fuel cap and fill the tank with fuel. Gasoline vehicles have a black fuel cap; diesel vehicles have a
green fuel cap. See preceding DANGER and following NOTE.
NOTE: Gasoline vehicles: Use unleaded gasoline only. Whenever possible, avoid using oxygenated fuels and fuels
that are blended with alcohol.
Diesel vehicles: Use only diesel fuel grade no. 2 with a cetane rating of 45 or higher.
2. Replace the fuel cap. Ensure that the cap is tightened securely.
3. Clean any spilled fuel from the cap or around the fuel cap area.
219
Figure 34 Fuel Tank – Gasoline Vehicles
220
Figure 35 Fuel Tank – Diesel Vehicles
BIODIESEL FUEL (DIESEL VEHICLES ONLY)
Biodiesel has unique qualities that should be considered before it is used in the Kubota D722 diesel engine. During
cold weather, plugged fuel lines, plugged fuel systems, hard starting, and other unknown failures can result from use
of this fuel.
Page 48 HUV 4421 Owner’s Manual