Owners Manual
Page 4
... leader in this owner's manual a permanent part of reliable, superior performance by a customer support system designed to offer you ask them . Translated owner's manuals can also provide technical advice, parts, and service manuals. Page 2 HUV 4421 Owner's Manual Please protect your investment and ensure that your local authorized Husqvarna representative perform them to read and follow the step-by-step operating instructions and safety...
... leader in this owner's manual a permanent part of reliable, superior performance by a customer support system designed to offer you ask them . Translated owner's manuals can also provide technical advice, parts, and service manuals. Page 2 HUV 4421 Owner's Manual Please protect your investment and ensure that your local authorized Husqvarna representative perform them to read and follow the step-by-step operating instructions and safety...
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
... not operate engine in an enclosed area without the safety alert symbol indicates a potentially hazardous situation that you take special notice of the operation or warning decals on the vehicle become damaged, have been removed, or cannot be easily read completely before attempting to drive or service the vehicle. SAFETY DETAILS Safety Details WARNING • This owner's manual...
... not operate engine in an enclosed area without the safety alert symbol indicates a potentially hazardous situation that you take special notice of the operation or warning decals on the vehicle become damaged, have been removed, or cannot be easily read completely before attempting to drive or service the vehicle. SAFETY DETAILS Safety Details WARNING • This owner's manual...
Owners Manual
Page 14
... operate the engine with cargo beds, remove all cargo before raising the bed or servicing the vehicle. Use extreme caution 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. No more than two persons per bucket seat at one time. Do not allow tools...
... operate the engine with cargo beds, remove all cargo before raising the bed or servicing the vehicle. Use extreme caution 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. No more than two persons per bucket seat at one time. Do not allow tools...
Owners Manual
Page 16
... beginning of the serial number indicate the vehicle model. A 17-digit Product Information Number (PIN) is a five-digit number that appears on this owner's manual. This number may be used to identify the correct owner's manual for all gasoline and diesel HUV 4421-G and HUV 4421-D vehicles. Build Code: The build code (4) is included on the vehicle serial number decal. All operating procedures, maintenance, and regular servicing are identical...
... beginning of the serial number indicate the vehicle model. A 17-digit Product Information Number (PIN) is a five-digit number that appears on this owner's manual. This number may be used to identify the correct owner's manual for all gasoline and diesel HUV 4421-G and HUV 4421-D vehicles. Build Code: The build code (4) is included on the vehicle serial number decal. All operating procedures, maintenance, and regular servicing are identical...
Owners Manual
Page 23
... the ROPS is repaired. Do not occupy the seat until the safety belt is damaged, replace the structure. SEAT LATCH AND ADJUSTMENT The vehicle seat(s) are securely engaged before operating the vehicle. WARNING • Make sure seat hinges and latches are hinged to allow easy access to the engine compartment. HUV 4421 Owner's Manual Page 21 Doing so...
... the ROPS is repaired. Do not occupy the seat until the safety belt is damaged, replace the structure. SEAT LATCH AND ADJUSTMENT The vehicle seat(s) are securely engaged before operating the vehicle. WARNING • Make sure seat hinges and latches are hinged to allow easy access to the engine compartment. HUV 4421 Owner's Manual Page 21 Doing so...
Owners Manual
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...; Seat belts: Visually inspect for proper tire pressure. See Vehicle Specifications on page 48. Wear in place and properly installed. See following list as instructed. Use the following NOTE. Visually inspect tires for tight fit. • Safety and information decals: Check to inspect the vehicle. Check fuel tank, lines, fuel cap, pump, and fuel filters for less than a week, or when the brake pads or rotor have been replaced...
...; Seat belts: Visually inspect for proper tire pressure. See Vehicle Specifications on page 48. Wear in place and properly installed. See following list as instructed. Use the following NOTE. Visually inspect tires for tight fit. • Safety and information decals: Check to inspect the vehicle. Check fuel tank, lines, fuel cap, pump, and fuel filters for less than a week, or when the brake pads or rotor have been replaced...
Owners Manual
Page 25
.... • Brakes: Be sure the brakes function properly. Be sure the steering wheel adjustment lever is securely locked into position. • Accelerator: After starting the engine with a reverse buzzer, the reverse buzzer should sound as squeaks or rattles. No more than two persons per bucket seat at one . - Use the following list, in one time. This vehicle operates at a maximum speed of 1.25 inches (3.2 cm...
.... • Brakes: Be sure the brakes function properly. Be sure the steering wheel adjustment lever is securely locked into position. • Accelerator: After starting the engine with a reverse buzzer, the reverse buzzer should sound as squeaks or rattles. No more than two persons per bucket seat at one . - Use the following list, in one time. This vehicle operates at a maximum speed of 1.25 inches (3.2 cm...
Owners Manual
Page 33
... times, then install both spark plugs, and pour 1/2 ounce (14.2 mL) of SAE 10 weight oil through each of the vehicle. 2. Husqvarna recommends using a slip-on page 40. Remove both spark plugs. 6. Disconnect the fuel vent line from the fuel tank vent nipple (Figure 34). 4.4. Plug the fuel tank vent nipple so that the tires are supporting only the weight of the two spark plug holes. All vehicles: Change engine oil. See Engine Oil and Filter Change...
... times, then install both spark plugs, and pour 1/2 ounce (14.2 mL) of SAE 10 weight oil through each of the vehicle. 2. Husqvarna recommends using a slip-on page 40. Remove both spark plugs. 6. Disconnect the fuel vent line from the fuel tank vent nipple (Figure 34). 4.4. Plug the fuel tank vent nipple so that the tires are supporting only the weight of the two spark plug holes. All vehicles: Change engine oil. See Engine Oil and Filter Change...
Owners Manual
Page 34
... from rolling. Crank the engine until it is pumped into the carburetor (gasoline vehicles) and the fuel lines (all vehicles) and the engine starts. WARNING CONTINUED ON NEXT PAGE Page 32 HUV 4421 Owner's Manual Let the terminals dry and then coat them with the use of vehicle. 13. Disconnect battery and spark plug (Gas only) wires. Ensure the valve is properly repaired. Gasoline/Diesel Vehicle on...
... from rolling. Crank the engine until it is pumped into the carburetor (gasoline vehicles) and the fuel lines (all vehicles) and the engine starts. WARNING CONTINUED ON NEXT PAGE Page 32 HUV 4421 Owner's Manual Let the terminals dry and then coat them with the use of vehicle. 13. Disconnect battery and spark plug (Gas only) wires. Ensure the valve is properly repaired. Gasoline/Diesel Vehicle on...
Owners Manual
Page 35
... cargo beds, remove all -wheel drive system will engage any problems are found during scheduled inspection or service, do not operate the engine with the Forward/Reverse handle in the NEUTRAL position and chock the wheels prior to servicing. • Moving parts: Do not attempt to the closed (OFF) position (Figure 14). • To avoid unintentionally starting the vehicle disconnect battery and spark plug (Gas only) wires. Do not...
... cargo beds, remove all -wheel drive system will engage any problems are found during scheduled inspection or service, do not operate the engine with the Forward/Reverse handle in the NEUTRAL position and chock the wheels prior to servicing. • Moving parts: Do not attempt to the closed (OFF) position (Figure 14). • To avoid unintentionally starting the vehicle disconnect battery and spark plug (Gas only) wires. Do not...
Owners Manual
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... 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 22. Add distilled water if necessary. replace if necessary. For brake wear-in procedure, see Hydraulic Brakes in the appropriate maintenance and service manual. add if necessary. See Engine Oil Level Check on page 23. Diesel vehicles: Check engine coolant; Check brake pedal for Front Differential, Transmission...
... 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 22. Add distilled water if necessary. replace if necessary. For brake wear-in procedure, see Hydraulic Brakes in the appropriate maintenance and service manual. add if necessary. See Engine Oil Level Check on page 23. Diesel vehicles: Check engine coolant; Check brake pedal for Front Differential, Transmission...
Owners Manual
Page 37
...: Inspect, clean, and gap spark plug; Adjust or replace if necessary. Replace if necessary. Dispose of operation, whichever comes first) Radiator Engine air intake system General vehicle Fuel filters appropriate maintenance and service manual. Diesel vehicles: Check the v-belt for service. Check for cracks. See Radiator and Cooling System Section in fire, property damage, severe personal injury, or death. Replace. check hoses for leaks around gaskets, fill plugs, etc. HUV 4421 Owner's Manual Page...
...: Inspect, clean, and gap spark plug; Adjust or replace if necessary. Replace if necessary. Dispose of operation, whichever comes first) Radiator Engine air intake system General vehicle Fuel filters appropriate maintenance and service manual. Diesel vehicles: Check the v-belt for service. Check for cracks. See Radiator and Cooling System Section in fire, property damage, severe personal injury, or death. Replace. check hoses for leaks around gaskets, fill plugs, etc. HUV 4421 Owner's Manual Page...
Owners Manual
Page 49
..., and locate the air filter canister. 2. Push the new air filter cartridge onto the nozzle inside the canister. 2. More frequent service may be inspected periodically and replaced when necessary. Remove the air filter cartridge (1). Use only the Husqvarna part (P/N 603 00 00-10) designed for this engine. HUV 4421 Owner's Manual Page 47 It only fits into the driver-side frame. Secure the canister cap with both canister tab locks...
..., and locate the air filter canister. 2. Push the new air filter cartridge onto the nozzle inside the canister. 2. More frequent service may be inspected periodically and replaced when necessary. Remove the air filter cartridge (1). Use only the Husqvarna part (P/N 603 00 00-10) designed for this engine. HUV 4421 Owner's Manual Page 47 It only fits into the driver-side frame. Secure the canister cap with both canister tab locks...
Owners Manual
Page 50
Ensure that the cap is used in the Kubota D722 diesel engine. Page 48 HUV 4421 Owner's Manual DANGER • Turn the key switch to the pump before and during the fueling operation. • To avoid the possibility of fire, clean up any spilled fuel from use of 45 or higher. 2. Diesel vehicles: Use only diesel fuel grade no. 2 with fuel. Diesel Vehicles BIODIESEL FUEL (DIESEL VEHICLES ONLY...
Ensure that the cap is used in the Kubota D722 diesel engine. Page 48 HUV 4421 Owner's Manual DANGER • Turn the key switch to the pump before and during the fueling operation. • To avoid the possibility of fire, clean up any spilled fuel from use of 45 or higher. 2. Diesel vehicles: Use only diesel fuel grade no. 2 with fuel. Diesel Vehicles BIODIESEL FUEL (DIESEL VEHICLES ONLY...
Owners Manual
Page 51
.... Position a pan under the fuel filter. 2. NOTE: Use of biodiesel may contain higher water content than 5% biodiesel content can cause corrosion of hoses, tube lines, injectors, injector pump and seals. • For more than three months. See Draining Water from Fuel Filter. • Check the engine oil level daily before the engine is securely tightened to prevent water from entering the fuel tank. • Drain all spilled fuel...
.... Position a pan under the fuel filter. 2. NOTE: Use of biodiesel may contain higher water content than 5% biodiesel content can cause corrosion of hoses, tube lines, injectors, injector pump and seals. • For more than three months. See Draining Water from Fuel Filter. • Check the engine oil level daily before the engine is securely tightened to prevent water from entering the fuel tank. • Drain all spilled fuel...
Owners Manual
Page 54
... in-lb (16 N·m). Turn the key switch to the battery frame ground. 7. Access the engine compartment by a trained technician. in the NEUTRAL position, engage the park brake, and chock the wheels. 2. Sit in General Warnings on the driver's side of water). After the engine has started, remove the frame ground (-) cable (4) first. Remove the cable from the booster battery. Clean both battery terminals with a solution of...
... in-lb (16 N·m). Turn the key switch to the battery frame ground. 7. Access the engine compartment by a trained technician. in the NEUTRAL position, engage the park brake, and chock the wheels. 2. Sit in General Warnings on the driver's side of water). After the engine has started, remove the frame ground (-) cable (4) first. Remove the cable from the booster battery. Clean both battery terminals with a solution of...
Owners Manual
Page 61
... all fuses, filters, decals (except safety decals), spark plugs, light bulbs, lubricants, trim pieces, seats, routine wear items such 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 repair the vehicle, it may provide factory-reconditioned parts or components. HUV 4421 Owner's Manual Page 59...
... all fuses, filters, decals (except safety decals), spark plugs, light bulbs, lubricants, trim pieces, seats, routine wear items such 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 repair the vehicle, it may provide factory-reconditioned parts or components. HUV 4421 Owner's Manual Page 59...
Owners Manual
Page 63
... owner's manual. If the part fails before the first scheduled replacement date for replacement as a problem exists. 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 disallowing a warranty claims. HUSQVARNA will not be repaired or replaced by HUSQVARNA according to abuse, neglect, improper maintenance or unapproved modifications. - You are franchised to service...
... owner's manual. If the part fails before the first scheduled replacement date for replacement as a problem exists. 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 disallowing a warranty claims. HUSQVARNA will not be repaired or replaced by HUSQVARNA according to abuse, neglect, improper maintenance or unapproved modifications. - You are franchised to service...
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...