Hisun HS 400 Owner's Manual
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Hisun HS 400 Owner's Manual

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TM
GRAB SOME SUN
Published by Chongqing
Huansong Industries
(Group) Co., Ltd and
Hisun Motors Corp USA.
Chongqing Huansong
Industries (Group) Co., Ltd
and Hisun Motors Corp USA
holds the copy right.
No publishing and reprinting
without permission.
READ THIS
MANUAL CAREFULLY
For questions regarding this
UTV, please contact HISUN at:
(972)446-0760
hisunmotors.com
Rev. 07231501
No one under the age of 16
should operate this vehicle.
Provincial / Municipal
governments have different
regulations pertaining to
owning and operating an
off-road vehicle; learn the
regulations in your area.
HS 400
OWNER'S MANUAL

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Øystein Jensen
June 20, 2025

i HAVE RECENTLY PURCHASED A 8472 hisun guarden 400 - WHAT TYPE GASOLINE IS PREFERRED FOR OPERATION OF THE VEICHLE?

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  • Page 1 Published by Chongqing Huansong Industries (Group) Co., Ltd and Hisun Motors Corp USA. Chongqing Huansong Industries (Group) Co., Ltd and Hisun Motors Corp USA holds the copy right. No publishing and reprinting without permission. READ THIS MANUAL CAREFULLY For questions regarding this...

  • Page 2: Important Safety Messages

    Introduction HS 400 INTRODUCTION Congratulations on your purchase of the HS 400 UTV. This Owner’s / Operator’s manual will provide you information regarding safe operation, operational instructions, maintenance and care. Fully understanding and following all of the instructions in this manual will provide the knowledge needed to have safe operation and longevity of the UTV.

  • Page 3: Important Manual Information

    Introduction HS 400 IMPORTANT MANUAL INFORMATION FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS INJURY OR DEATH. Particularly important information is distinguished in this manual by the following notations: The Safety Alert Symbol means ATTENTION!

  • Page 4: Important Notice

    Introduction HS 400 IMPORTANT NOTICE This UTV is designed and manufactured for OFF - ROAD use only. It is illegal and unsafe to operate this UTV on any public street, road or highway. This UTV complies with all applicable OFF - ROAD noise level and spark arrester laws and regulations in effect at the time of manufacture.

  • Page 5: Safe Operation

    SAFE OPERATION SAFE OPERATION All operators, including experienced UTV drivers or parts on the vehicle and could cause a severe passengers, should carefully read and fully injury to occur. understand this Users Manual, and operate strictly You should always wear protective equipment, as the manual states in order to achieve the best such as helmet, boots, eye protection, ear performance and avoid accidents.
  • Page 6 SAFE OPERATION This UTV is designed and manufactured for 10. Never drive over terrain such as a ditch, a hole, off-road use only so never drive on paved dams, excessive mud, or the vehicle can get roadways. stuck because of the vehicles weight. 2.
  • Page 7 SAFE OPERATION 4. Driving on a slope water.（water depth should not exceed axle Be cautious when riding on a slope, as this is the height） main reason for loss of control, and overturn, 6. Driving at high speed leading to severe injury or even death. Drive in a straight line on a slope at a Check for front/rear wheel condition.
  • Page 8 SAFE OPERATION 8. Parking hydrogen and oxygen during charging and this To release the parking brake, depress the could accelerate the risk of explosion. brake pedal. Read and follow the instructions before replacing the battery. During maintenance, first aid kits and fire extinguishers should be placed at your fingertips.
  • Page 9 SAFE OPERATION 11. Warning and caution labels ⑴ ⑵ ⑶ ⑷ ⑸...
  • Page 10 SAFE OPERATION ⑹ ⑺ ⑻ ⑼ ⑽...
  • Page 11 SAFE OPERATION ⑿ ⑾ ⒀ ⒁ ⒂...

  • Page 12: Servicing Of Vehicle

    SERVICING OF VEHICLE SERVICING OF VEHICLE Your dealer is interested in your new vehicle and has the desire to help you get the most value from it. After reading this manual thoroughly, you will find you can do some of the regular maintenance by yourself.

  • Page 13: Specification Table

    SPECIFICATIONS SPECIFICATIONS SPECIFICATION TABLE Model Make H-Lo range forward, Neutral, Reverse Type 4-stroke, Water cooled Displacement L(cu.in.) 393cm Engine Horsepower Kw(HP) Rated revolution rpm 7500 Low idling revolution rpm 1350 to 1500 Fuel Capacity L(U.S.gas) 29（7.6） Transmission Wheels, Drive system 4, Rear 2WD or 4WD Differential lock Electric control: switch...

  • Page 14: Traveling Speeds

    SPECIFICATIONS Model Width mm (in.) 1305 (51.37) Length (row) mm (in.) 775 (30.52) Depth mm (in.) 285 (11.22) Volume (row) (cu.ft.) 0.23 (8.11) Cargo bed Bed height mm (in.) 927 (36.49) (unloaded) Cargo bed capacity kg (lbs.) (1 row/2 row) Sound level, operator ear db (A) Front...

  • Page 15: Vehicle Limitations

    VEHICLE LIMITATIONS VEHICLE LIMITATIONS The Vehicle has been thoroughly tested for proper performance with implements sold or approved by. Use with implements which are not sold or approved and which exceed the maximum specifications listed below, or which are otherwise unfit for use, vehicle may result in malfunction or failures of the vehicle damage to other property and injury to the operator or others, [Any malfunctions or failures of the vehicle resulting from use with improper implements are not covered by the warranty] Max.

  • Page 16: Instrument Panel And Controls

    INSTRUMENT PANEL AND CONTROLS INSTRUMENT PANEL AND CONTROLS LOCATION OF PARTS...

  • Page 17: Illustrated Contents

    INSTRUMENT PANEL AND CONTROLS ILLUSTRATED CONTENTS...
  • Page 18 INSTRUMENT PANEL AND CONTROLS...

  • Page 19: Pre-Operation Check

    PRE-OPERATION CHECK PRE-OPERATION CHECK DAILY CHECK To better prevent troubles, it is important to know condition of the vehicle well. Check it before starting. CAUTION： To avoid personal injury： Be sure to check and service the vehicle on a level surface with the engine shut off and the parking brake “ON”...

  • Page 20: Operating The Engine

    OPERATING THE ENGINE OPERATING THE ENGINE STARTING THE ENGINE CAUTION： To avoid personal injury： 1. Make sure the parking brake is set.  Read "SAFE OPERATION" in front of this manual.  Read the danger, warning and caution labels located on the vehicle. ...
  • Page 21 OPERATING THE ENGINE 2. Set gear shift lever to the “NEUTRAL” position. engine oil pressure) should come on. If trouble occurs at any location with engine running, the ① Gear shift lever. warning lamp corresponding to that location (F) “Forward” comes on.

  • Page 22: Stopping The Engine

    OPERATING THE ENGINE STOPPING THE ENGINE 1. After slowing the engine to idle, turn the key to “OFF”. 2. Remove the key. WARMING UP CAUTION： To avoid personal injury:  Be sure to set the parking brake during warm-up.  Be sure to set the shift lever to the “NEUTRAL”...

  • Page 23: Operating The Vehicle

    OPERATING THE VEHICLE OPERATING THE VEHICLE ■ Changing Lubricating Oil for New Vehicles OPERATING NEW VEHICLE The lubricating oil is especially important for a new vehicle. Various parts are not “broken-in” How a new vehicle is handled and maintained determines the life of vehicle. and are not mated to each other.
  • Page 24 OPERATING THE VEHICLE ■ Hazard Light Switch [if equipped] Press the top half of the hazard light switch, the hazard lights flash along with the indicator on the instrument panel. Press the bottom half of the hazard light switch to turn off the hazard lights. Note: ...
  • Page 25 OPERATING THE VEHICLE ① Brake pedal 4. Selecting the travel speed. ■ Gear Shift Lever CAUTION: To avoid personal injury:  Avoid changing gear shift lever when ascending or descending a slope. ① Head light ② Front turn signal lamp; ...
  • Page 26 OPERATING THE VEHICLE The load can shift forward causing loss of control.  The braking characteristics are different between two and four wheel drive. Be aware of the differences and practice the differences at slower speeds first. IMPORTANT: 5. Release the parking brake and start slowly. To release the parking brake, depress the brake ①...

  • Page 27: Check During Driving

    OPERATING THE VEHICLE STOPPING ■ STOPPING Release the accelerator pedal Step on the brake pedal. CHECK DURING DRIVING ■ Immediately Stop the Engine if：  engine suddenly slows down accelerates. ① Fuel gauge  Unusual noises are suddenly heard.  Exhaust fumes suddenly become very white.
  • Page 28 OPERATING THE VEHICLE ① Hour meter The speedometer indicates the traveling speed. ① Speedometer...

  • Page 29: Winch Mount Plate

    WINCH MOUNT PLATE WINCH MOUNT PLATE WINCH MOUNT PLATE Always read and follow the instructions in the winch owner’s manual before attempting to install or use a winch. ① Winch mount plate ■ Transporting Vehicle Pay attention to the following points when transporting the vehicle.

  • Page 30: Maintenance

    WINCH MOUNT PLATE MAINTENANCE CAUTION: To avoid personal injury and vehicle damage:  Be sure you have sufficient knowledge, experience, the proper replacement parts and tools before you attempt any vehicle maintenance task.  If you don’t have the knowledge and equipment necessary to perform the maintenance task, consult your local dealer.
  • Page 31 MAINTENANCE 10-2 Indication of After Items 700 hrs 50 100 150 200 250 300 350 400 450 500 550 600 650 700 Every ○ ○ ○ ○ ○ ○ ○ Check Fuel filter 100 hrs element Every ○ Replace 100 hrs Every ○...
  • Page 32 MAINTENANCE 10-3 NOTE: ◆ Engine Oil:（15W/40SL） Oil used in the engine should have an American Petroleum Institute (API) service classification and Proper SAE Engine Oil according to the ambient temperatures. ◆ Brake fluid: Always use DOT3 GENUINE BRAKE FLUID from a sealed container.

  • Page 33: Periodic Service

    PERIODIC SERVICE 11-1 PERIODIC SERVICE CAUTION: To avoid personal injury: How to open the Hood and tilt the ■ seat CAUTION To avoid personal injury from contact with moving parts: ① Operator’s seat  Never open operator’s seat while the engine is running.

  • Page 34: Jack-Up Point

    PERIODIC SERVICE 11-1 JACK-UP POINT Lower the lever to the “DOWN” position to lower the bed. WARNING After making sure that the bed has lowered to To avoid personal injury, death or vehicle damage: the lowest position, lock it with the restricting ...
  • Page 35 PERIODIC SERVICE 11-1 PRE-OPERATION CHECK Fuel tank capacity 34L（8.9 U.S.GALS.） For your own safety and maximum service life of IMPORTANT the vehicle, make a thorough daily inspection If oil level is low, do not run engine. before starting the engine or operating the vehicle. Checking engine oil level CAUTION Park the vehicle on a flat surface, raise the...
  • Page 36 PERIODIC SERVICE 11-1 Detach the screen and remove all foreign off the engine. materials. Check to see that the coolant level is between the “FULL” and” LOW” marks of recovery tank. When the coolant level drops due to evaporation, add water only up to the full level. In case of leakage add anti-freeze and water in the specified mixing ratio up to the full level.(see flush cooling system and changing...
  • Page 37 PERIODIC SERVICE 11-1 pedal to release the park. If it is below the “LOWER” mark add brake Make sure the parking brake warning lamp on the fluid . instrument display goes off when parking brake lever is released. ① Maximum Level ②...

  • Page 38: Every 50 Hours

    PERIODIC SERVICE 11-1 ① Cv boot ② Drive shaft ① Parking hand-bar ② Parking brake pivot (spray type grease) ① Cv boot ② Drive shaft ■ Checking tire inflation pressure Though the tire pressure is factory-set to the prescribed level, it naturally drops slowly in the course of time, so check it everyday and inflate as necessary.
  • Page 39 PERIODIC SERVICE 11-1  ◆ Preparation before testing Never operate vehicle with a loose Lug Place all control levers in the “NEUTRAL” Nut.  position. Any time Lug nuts are loosened they Set the parking brake and stop the engine. should be retightened to the specified torque.
  • Page 40 PERIODIC SERVICE 11-1 ◆ Evacuator Valve Open the air cleaner cover once a week under ordinary conditions –or daily when used in a dusty place-to get rid of large particles of dust and dirt. Check fuel line and fuel filter. CAUTION To avoid personal injury: ①...
  • Page 41 PERIODIC SERVICE 11-1 battery.  When disconnecting the cables from the battery start with the negative terminal first; when connecting the cables to the battery start with the positive terminal first.  Always check battery charge by using a voltmeter. ①...
  • Page 42 PERIODIC SERVICE 11-1 ■ Adjusting toe-in sufficient time to cool!  Always wear safety goggles and a face Proper toe-in 0 to12 mm (0 to 0.47 in) mask.  The particulate matter contained in the muffler contains chemicals that Park vehicle on a flat place. harmful to people, animals and marine life.

  • Page 43: Every 200 Hours

    PERIODIC SERVICE 11-1 ① Muffler ② Spray fire device ③ Back cover ① Full Level EVERY 200 HOURS ② Low Level ■ Changing Engine Oil ③ Dipstick ④ Cap CAUTION To avoid personal injury: ■ Replacing Engine Oil Filter  Be sure to stop the engine before replacing oil.
  • Page 44 PERIODIC SERVICE 11-1 Release the parking brake. Step on the pedal and measure the pedal stroke. If brake pedal stroke is outside of the specifications, contact your local dealer for adjusting the brake. ① Bolt; ② Cover ③ “O” seal ring; ④...

  • Page 45: Every 300 Hours

    PERIODIC SERVICE 11-1 tighten bands securely. Replace hoses and tighten hose clamps securely, if radiator hoses are swollen, hardened or cracked. ① Hose ② Hose joint EVERY 300 HOURS ■ Checking Tire Check to see if the tires are damaged. If the tires are cracked, bulged, or cut, or they ①...

  • Page 46: Every 1 Year

    PERIODIC SERVICE 11-1 Park the vehicle on a flat surface, raise the cargo bed, mount the safety support. To drain the used oil, remove the drain plug at the bottom of the transmission case and drain the oil completely into the oil pan. After draining, reinstall the drain plug.
  • Page 47 PERIODIC SERVICE 11-1 coolant is hot. When cool, slowly rotate IMPORTANT:  cap to the first stop and allow sufficient Do not start engine without coolant.  time for excess pressure to escape before Use clean, fresh water and anti-freeze to fill removing the cap completely.
  • Page 48 PERIODIC SERVICE 11-1 tank with the mixture.· different additive components, and the Long-life coolant (hereafter LLC) comes in engine may fail to perform as specified.) several types. Use ethylene glycol (EG) type When the LLC is mixed, do not employ any for this engine.

  • Page 49: Every 4 Years

    PERIODIC SERVICE 11-1 Consult your local dealer for this service. Light Capacity Head lights 2x35W ■ Replacing Intake Air Line Tail light 2x5W Consult your local dealer for this service. Brake light 2x21W Instrument panel light EVERY 4 YEARS ■ Replacing Brake Hose Consult your local Dealer for this service.

  • Page 50: Removing The Vehicle From Storage

    STORAGE 13-1 STORAGE STORAGE Keep the vehicle in a dry place where the vehicle is sheltered from the elements. Cover CAUTION the vehicle. To avoid personal injury: Keep the vehicle indoors in a dry area that is  Do not clean the vehicle when the engine is protected from sunlight and excessive heat.
  • Page 51 STORAGE 13-2 off and work around vehicle and make a visual inspection looking for evidence of oil or water leaks. 6). With the engine fully warmed up. Release the parking brake and test the brakes for proper adjustment as you move forward. Adjust the brake as necessary.

  • Page 52: Engine Troubleshooting

    TROUBLESHOOTING 14-1 TROUBLESHOOTING ENGINE TROUBLESHOOTING If something is wrong with the engine, refer to the table below for the cause and its corrective countermeasure. Trouble Cause Countermeasure  Check the fuel tank and fuel filter。  Check the electric fuel pump. ...
  • Page 53 TROUBLESHOOTING 14-2 Check Diagnostic codes by reading the below table. Mt05 Malfunction Code Table:23 Malf code in MT05 Description P0107 MAP Circuit Low Voltage or Open P0108 MAP Circuit High Voltage P0112 IAT Circuit Low Voltage P0113 IAT Circuit High Voltage or Open P0117 Coolant/Oil Temperature Sensor Circuit Low Voltage P0118...

  • Page 54: Battery Troubleshooting

    TROUBLESHOOTING 14-3 BATTERY TROUBLESHOOTING Trouble Cause Countermeasure Preventive measure  Battery overused   until lights are dim. Charge the battery Charge the battery  Battery sufficiently. properly. been recharged.  Keep the terminal  Starter does not function Clean the terminal ...

  • Page 55: Machine Troubleshooting

    TROUBLESHOOTING 14-4 MACHINE TROUBLESHOOTING Trouble Cause Countermeasure  Replace throttle cable;   High idling speed of engine Replace throttle petal  Replace he throttle   High rotary speed for clutch Replace he junior clutch spring;  connection. Replace the primary clutch. ...
  • Page 56 OPTIONS 15-1 OPTIONS Consult your local dealer for further details. Head rest； Plastic Canopy； Rear Trailer Hitch & Pin(2〞)； Windshield； Steel Cab； Motor Scan KF90121;...

  • Page 57: Your Warranty Rights And Obligations

    Where a warrantable condition exists, HISUN will repair your vehicle at no cost to you, including diagnosis, parts and labor. If an emission-related part on your vehicle is defective, the part will be repaired or replaced by HISUN. This is your EMISSION CONTROL SYSTEM WARRANTY.
  • Page 58 Warranty defects shall be remedied during customary business hours at any authorized HISUN dealer located within the United States of America in compliance with the Clean Air Act and applicable regulations of the United States Environmental Protection Agency. Any part or parts replaced under this warranty shall become the property of HISUN.

  • Page 59: Legal Rights

    ADDITIONAL INFORMATION. Any replacement part that is equivalent in performance and durability may be used in the performance of any maintenance or repairs by the owner. However, HISUN is not liable for these parts. The owner is responsible for the performance of all required maintenance.
  • Page 60 OWNER’S MANUAL WARNING The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
  • Page 61 HISUN MOTORS 310 East University Dr McKinney, Texas 75069 PH (972) 446-0760 TF (877) 838-6188 hisunmotors.com...

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