Owners Manual
Page 4
.... Your local authorized Husqvarna representative can be followed in this manual. Your comfort and safety are backed by -step operating instructions and safety procedures in outdoor products. These instructions must be downloaded from the Husqvarna web site at www.usa.husqvarna.com. You have the important operating, safety, and maintenance information it contains. Page 2 HUV 4421 Owner's Manual We hope you would...
.... Your local authorized Husqvarna representative can be followed in this manual. Your comfort and safety are backed by -step operating instructions and safety procedures in outdoor products. These instructions must be downloaded from the Husqvarna web site at www.usa.husqvarna.com. You have the important operating, safety, and maintenance information it contains. Page 2 HUV 4421 Owner's Manual We hope you would...
Owners Manual
Page 11
... below front 8 102889201 seats) 3 102224001 Decal, Rotating Parts Warning (on frame) 9 102961201 Decal, ROPS Warning (on ROPS) Decal, Bed Latch Warning (on vehicle body, below 4 102459301 10 103210501 Decal, Vehicle Loading Instructions (on cargo bed) bed latch) 5 102459401 Decal, Young Driver Warning (on ROPS) 11 Serial Number 6 102884301 Decal, Operating Instructions (on instrument panel) HUV 4421 Owner's Manual Page 9
... below front 8 102889201 seats) 3 102224001 Decal, Rotating Parts Warning (on frame) 9 102961201 Decal, ROPS Warning (on ROPS) Decal, Bed Latch Warning (on vehicle body, below 4 102459301 10 103210501 Decal, Vehicle Loading Instructions (on cargo bed) bed latch) 5 102459401 Decal, Young Driver Warning (on ROPS) 11 Serial Number 6 102884301 Decal, Operating Instructions (on instrument panel) HUV 4421 Owner's Manual Page 9
Owners Manual
Page 13
... 5. Do not smoke. Explosive! HUV 4421 Owner's Manual Page 11 SAFETY DETAILS Safety Details WARNING • This owner's manual should be read , they should be replaced immediately to follow the instructions in this manual and on the decals affixed to drive or service the vehicle. See Safety Decal and Feature Identification on or near batteries. • Gasoline/Diesel - GENERAL WARNINGS...
... 5. Do not smoke. Explosive! HUV 4421 Owner's Manual Page 11 SAFETY DETAILS Safety Details WARNING • This owner's manual should be read , they should be replaced immediately to follow the instructions in this manual and on the decals affixed to drive or service the vehicle. See Safety Decal and Feature Identification on or near batteries. • Gasoline/Diesel - GENERAL WARNINGS...
Owners Manual
Page 14
... this manual, and heed all DANGER, WARNING, and CAUTION statements in the NEUTRAL position, turn the key switch to the OFF position, and remove the key. Comply with state and local laws pertaining to child safety. • The driver and passenger must be used when performing maintenance, service, or accessory installation. • To avoid unintentionally starting the vehicle disconnect battery and spark plug (Gas only) wires. Do...
... this manual, and heed all DANGER, WARNING, and CAUTION statements in the NEUTRAL position, turn the key switch to the OFF position, and remove the key. Comply with state and local laws pertaining to child safety. • The driver and passenger must be used when performing maintenance, service, or accessory installation. • To avoid unintentionally starting the vehicle disconnect battery and spark plug (Gas only) wires. Do...
Owners Manual
Page 16
... on the vehicle serial number decal. GXP and DXP models have been renamed GX and DX, respectively. See following four digits (2) indicate the model year and production week during which the vehicle was built. All operating procedures, maintenance, and regular servicing are identical unless otherwise noted. A 17-digit Product Information Number (PIN) is valid for a vehicle. This owner's manual is included on...
... on the vehicle serial number decal. GXP and DXP models have been renamed GX and DX, respectively. See following four digits (2) indicate the model year and production week during which the vehicle was built. All operating procedures, maintenance, and regular servicing are identical unless otherwise noted. A 17-digit Product Information Number (PIN) is valid for a vehicle. This owner's manual is included on...
Owners Manual
Page 23
... use a single safety belt for cuts, fraying, and loose parts. Do not allow easy access to the engine compartment. Do not occupy the seat until the safety belt is damaged, replace the structure. this seat, push the lever located under the belt if sudden braking should be restrained at a time. Comply with the ROPS removed. Damaged parts should occur. Position the seat, and return the lever...
... use a single safety belt for cuts, fraying, and loose parts. Do not allow easy access to the engine compartment. Do not occupy the seat until the safety belt is damaged, replace the structure. this seat, push the lever located under the belt if sudden braking should be restrained at a time. Comply with the ROPS removed. Damaged parts should occur. Position the seat, and return the lever...
Owners Manual
Page 24
... vehicle. Use the following NOTE. Page 22 HUV 4421 Owner's Manual Check air filter and replace if necessary. • Fuel: Check fuel level. Drain water from the vehicle. 2. NOTE: Perform the wear-in procedure when the vehicle has been in the brakes before accepting delivery. Install the seat. See preceding WARNING "Make sure seat hinges and latch...". See Engine Oil on a daily basis. Check fuel tank, lines, fuel cap, pump, and fuel filters for tight...
... vehicle. Use the following NOTE. Page 22 HUV 4421 Owner's Manual Check air filter and replace if necessary. • Fuel: Check fuel level. Drain water from the vehicle. 2. NOTE: Perform the wear-in procedure when the vehicle has been in the brakes before accepting delivery. Install the seat. See preceding WARNING "Make sure seat hinges and latch...". See Engine Oil on a daily basis. Check fuel tank, lines, fuel cap, pump, and fuel filters for tight...
Owners Manual
Page 25
... Owner's Manual Page 23 Use the following list, in reverse. • Governor: Check maximum vehicle speed. Be sure all controls and operating procedures. • No one under moderate pressure, the vehicle should come to the original position, and the engine should be easy to drive the vehicle. • No more than one person per bench seat at one time. When brake pedal is securely locked...
... Owner's Manual Page 23 Use the following list, in reverse. • Governor: Check maximum vehicle speed. Be sure all controls and operating procedures. • No one under moderate pressure, the vehicle should come to the original position, and the engine should be easy to drive the vehicle. • No more than one person per bench seat at one time. When brake pedal is securely locked...
Owners Manual
Page 33
... used, see Using A Booster Battery (Jump Starting) on page 52. 3. If the battery is air tight. Run the engine in the NEUTRAL position. Prepare the fuel tank. 6.1. Disconnect the fuel vent line from the fuel tank vent nipple (Figure 34). 4.4. Plug the fuel tank vent nipple so that it is dead, see Biodiesel Fuel (Diesel Vehicles Only) on vinyl cap. 5. Husqvarna recommends using a slip-on page 48. HUV 4421 Owner's Manual Page 31 Check electrolyte level...
... used, see Using A Booster Battery (Jump Starting) on page 52. 3. If the battery is air tight. Run the engine in the NEUTRAL position. Prepare the fuel tank. 6.1. Disconnect the fuel vent line from the fuel tank vent nipple (Figure 34). 4.4. Plug the fuel tank vent nipple so that it is dead, see Biodiesel Fuel (Diesel Vehicles Only) on vinyl cap. 5. Husqvarna recommends using a slip-on page 48. HUV 4421 Owner's Manual Page 31 Check electrolyte level...
Owners Manual
Page 34
..., engine compartment, and underside of water). Make sure the key switch is in the NEUTRAL position. Restore the fuel system to the fuel tank vent. 3. Connect the vent tube to operation (Figure 34 or Figure 35). 2.1. Connect battery and spark plug (Gas only) wires. Gasoline vehicles only: Completely open . Ensure the valve is run for repairs and semiannual and annual periodic service. A partially closed fuel shut-off valve...
..., engine compartment, and underside of water). Make sure the key switch is in the NEUTRAL position. Restore the fuel system to the fuel tank vent. 3. Connect the vent tube to operation (Figure 34 or Figure 35). 2.1. Connect battery and spark plug (Gas only) wires. Gasoline vehicles only: Completely open . Ensure the valve is run for repairs and semiannual and annual periodic service. A partially closed fuel shut-off valve...
Owners Manual
Page 35
... cargo before raising the bed or servicing the vehicle. WARNING • Service, repairs, and adjustments must be followed to heavy use lifting device to the closed (OFF) position (Figure 14). • To avoid unintentionally starting the vehicle disconnect battery and spark plug (Gas only) wires. NOTE: If the vehicle is loaded. • Gasoline vehicles only: Turn fuel shut-off valve to hold vehicle in severe...
... cargo before raising the bed or servicing the vehicle. WARNING • Service, repairs, and adjustments must be followed to heavy use lifting device to the closed (OFF) position (Figure 14). • To avoid unintentionally starting the vehicle disconnect battery and spark plug (Gas only) wires. NOTE: If the vehicle is loaded. • Gasoline vehicles only: Turn fuel shut-off valve to hold vehicle in severe...
Owners Manual
Page 36
... levels. Wash engine compartment and underside of operation, whichever comes first) Electrical wiring and connections Brake system Page 34 HUV 4421 Owner's Manual See Pre-Operation and Daily Safety Checklist on page 49. Check and adjust if necessary. See Engine Oil Level Check on page 46. Check engine circulating air passage; Clean terminals and wash dirt from Fuel Filter on page 22. Inspect master cylinder, brake lines, and hoses for proper operation. Check park brake cables for grass...
... levels. Wash engine compartment and underside of operation, whichever comes first) Electrical wiring and connections Brake system Page 34 HUV 4421 Owner's Manual See Pre-Operation and Daily Safety Checklist on page 49. Check and adjust if necessary. See Engine Oil Level Check on page 46. Check engine circulating air passage; Clean terminals and wash dirt from Fuel Filter on page 22. Inspect master cylinder, brake lines, and hoses for proper operation. Check park brake cables for grass...
Owners Manual
Page 37
... tension or damage. Gasoline vehicles: Inspect, clean, and gap spark plug; Diesel vehicles: Check the v-belt for leaks around gaskets, fill plugs, etc. Diesel vehicles: Check clamps for cracks. Replace if necessary. See Air Intake System on page 47. check hose for tightness; Dispose of operation, whichever comes first) Radiator Engine air intake system General vehicle Fuel filters appropriate maintenance and service manual. replace if necessary. See Radiator and Cooling...
... tension or damage. Gasoline vehicles: Inspect, clean, and gap spark plug; Diesel vehicles: Check the v-belt for leaks around gaskets, fill plugs, etc. Diesel vehicles: Check clamps for cracks. Replace if necessary. See Air Intake System on page 47. check hose for tightness; Dispose of operation, whichever comes first) Radiator Engine air intake system General vehicle Fuel filters appropriate maintenance and service manual. replace if necessary. See Radiator and Cooling...
Owners Manual
Page 49
... Air Filter Cartridge Air Filter Installation 1. Use only the Husqvarna part (P/N 603 00 00-10) designed for this caution could damage the engine by allowing excessive contamination to heed this engine. Push the new air filter cartridge onto the nozzle inside the canister. 2. Filter changes should be required in extremely dirty operating environments. See Periodic Service Schedule on the top center of power, sluggish acceleration, or a roughly running engine, service the air filter...
... Air Filter Cartridge Air Filter Installation 1. Use only the Husqvarna part (P/N 603 00 00-10) designed for this caution could damage the engine by allowing excessive contamination to heed this engine. Push the new air filter cartridge onto the nozzle inside the canister. 2. Filter changes should be required in extremely dirty operating environments. See Periodic Service Schedule on the top center of power, sluggish acceleration, or a roughly running engine, service the air filter...
Owners Manual
Page 50
... tightened securely. 3. Diesel Vehicles BIODIESEL FUEL (DIESEL VEHICLES ONLY) Biodiesel has unique qualities that should be grounded. During cold weather, plugged fuel lines, plugged fuel systems, hard starting, and other unknown failures can result from the cap or around the fuel cap area. 219 Figure 34 Fuel Tank - Gasoline vehicles have a green fuel cap. Page 48 HUV 4421 Owner's Manual Replace the fuel cap. Fueling Instructions FUELING INSTRUCTIONS See General Warnings on page...
... tightened securely. 3. Diesel Vehicles BIODIESEL FUEL (DIESEL VEHICLES ONLY) Biodiesel has unique qualities that should be grounded. During cold weather, plugged fuel lines, plugged fuel systems, hard starting, and other unknown failures can result from the cap or around the fuel cap area. 219 Figure 34 Fuel Tank - Gasoline vehicles have a green fuel cap. Page 48 HUV 4421 Owner's Manual Replace the fuel cap. Fueling Instructions FUELING INSTRUCTIONS See General Warnings on page...
Owners Manual
Page 51
... and cause deterioration of the filter. Locate the valve (1) on page 39. • Before vehicle storage, run the engine with biodiesel. See following CAUTION. See Engine Oil Level Check on the underside of hoses, tube lines, injectors, injector pump and seals. • For more information on these fuel standards, please contact your nearest Kubota dealer. DRAINING WATER FROM FUEL FILTER Diesel Vehicles Only Water should...
... and cause deterioration of the filter. Locate the valve (1) on page 39. • Before vehicle storage, run the engine with biodiesel. See following CAUTION. See Engine Oil Level Check on the underside of hoses, tube lines, injectors, injector pump and seals. • For more information on these fuel standards, please contact your nearest Kubota dealer. DRAINING WATER FROM FUEL FILTER Diesel Vehicles Only Water should...
Owners Manual
Page 54
... the Forward/Reverse handle in -lb (12.2 N·m). NOTE: A starting battery is properly tightened. Locate the vehicle battery on or near batteries. 5. After the engine has started, remove the frame ground (-) cable (4) first. Remove the cable from the booster battery. Carefully check the electrolyte level and add distilled water if necessary. Be sure the battery hold-down clamp is recommended but a deep cycle battery can be left discharged...
... the Forward/Reverse handle in -lb (12.2 N·m). NOTE: A starting battery is properly tightened. Locate the vehicle battery on or near batteries. 5. After the engine has started, remove the frame ground (-) cable (4) first. Remove the cable from the booster battery. Carefully check the electrolyte level and add distilled water if necessary. Be sure the battery hold-down clamp is recommended but a deep cycle battery can be left discharged...
Owners Manual
Page 61
... MANUALS. 4. Batteries, battery charger, onboard computer, and solid-state speed controller are all other than a defect including unreasonable or unintended strain or use and service as the charger plug and receptacle, brake shoes, belts, brushes, bushings, drive buttons, engine mounts, mats and pads, maintenance adjustments, cosmetic deterioration, and items which deteriorate or fail due to be free from defects in any Husqvarna warranty are covered under separate Husqvarna warranties. HUV 4421 Owner's Manual...
... MANUALS. 4. Batteries, battery charger, onboard computer, and solid-state speed controller are all other than a defect including unreasonable or unintended strain or use and service as the charger plug and receptacle, brake shoes, belts, brushes, bushings, drive buttons, engine mounts, mats and pads, maintenance adjustments, cosmetic deterioration, and items which deteriorate or fail due to be free from defects in any Husqvarna warranty are covered under separate Husqvarna warranties. HUV 4421 Owner's Manual...
Owners Manual
Page 63
... used . HUSQVARNA EXPLANATION OF EMISSION CONTROL WARRANTY: 1. Any such part repaired or replaced under warranty will be warranted for the remainder of the period prior to the first scheduled replacement point for the part. (4) Repair or replacement of any warranted part under warranty of any warranty maintenance or repairs and must be performed at a warranty station* at no charge to the owner. (5) Notwithstanding the provisions herein, warranty services or repairs will be repaired...
... used . HUSQVARNA EXPLANATION OF EMISSION CONTROL WARRANTY: 1. Any such part repaired or replaced under warranty will be warranted for the remainder of the period prior to the first scheduled replacement point for the part. (4) Repair or replacement of any warranted part under warranty of any warranty maintenance or repairs and must be performed at a warranty station* at no charge to the owner. (5) Notwithstanding the provisions herein, warranty services or repairs will be repaired...
Owners Manual
Page 64
... warranty parts list are covered: SYSTEMS COVERED PARTS DESCRIPTION Fuel Metering Carburetor assembly, fuel injection pump, fuel injection nozzle, fuel regulator Exhaust Catalytic Converter, Exhaust Manifold Air Induction Air filter housing, air filter*, crankcase breather tube Ignition Flywheel magneto, ignition pulse generator, ignition coil assembly, ignition control module, spark plug cap, spark plug* Positive Crankcase Ventilation (PCV) System PCV valve, oil filler cap Evaporative System Fuel Tank, Fuel Cap, Fuel Lines, Fuel Line Fittings, Clamps, Pressure Relief Valves, Purge Valves...
... warranty parts list are covered: SYSTEMS COVERED PARTS DESCRIPTION Fuel Metering Carburetor assembly, fuel injection pump, fuel injection nozzle, fuel regulator Exhaust Catalytic Converter, Exhaust Manifold Air Induction Air filter housing, air filter*, crankcase breather tube Ignition Flywheel magneto, ignition pulse generator, ignition coil assembly, ignition control module, spark plug cap, spark plug* Positive Crankcase Ventilation (PCV) System PCV valve, oil filler cap Evaporative System Fuel Tank, Fuel Cap, Fuel Lines, Fuel Line Fittings, Clamps, Pressure Relief Valves, Purge Valves...