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Hisun HS800 Service Manual

Hisun HS800
263 pages
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Forth version , May, 2014
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:
(877) 838-6188
www.hisunmotors.com
REV. 06051401
SERVICE
MANUAL
HS800

Table of Contents

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Hisun HS800 Specifications

General IconGeneral
BrandHisun
ModelHS800
CategoryUtility Vehicle
LanguageEnglish

Summary

Foreword

General Information

Warnings, Cautions, and Notes

Defines the specific meanings of Warning, Caution, and Note terms used in the manual.

Safety

Lists comprehensive safety guidelines for servicing the utility terrain vehicle.

Handling Gasoline safely

Outlines essential safety precautions when working with gasoline.

Fasteners and Torque Specifications

Discusses fastener selection, torque values, and self-locking fasteners.

Lubricants and Fluids

Details engine oils, greases, brake fluid, and coolant specifications.

Basic Tools

Discusses the importance of quality tools and tool selection for maintenance tasks.

Precision Measuring Tools

Emphasizes the importance of accurate measurements for component service.

Storage and Preparation

Covers seal replacement, UTV storage, and returning to service procedures.

Specifications

General Specifications

Lists general specifications including dimensions, weight, engine, and fluid capacities.

Engine Specifications

Details specific measurements and tolerances for engine components like cylinder head and camshaft.

Chassis Torques

Lists torque specifications for various chassis components and mounting points.

Lubrication Points and Type Used

Details lubrication points for the engine and the types of lubricants required.

Periodic Maintenance

Maintenance schedule

Outlines the recommended maintenance schedule based on mileage or time intervals.

Valve Adjustment

Details the procedure for adjusting engine valve clearance to ensure proper operation.

CHANGING THE ENGINE OIL

Details the step-by-step procedure for changing the engine oil and filter.

Cleaning the Air Filter

Describes the process for cleaning the air filter element and case.

Changing the coolant

Details the procedure for draining and replacing the engine coolant.

Bleeding the Brake system

Provides a step-by-step guide for bleeding air from the UTV's brake system.

Adjusting the Toe-In

Explains the procedure for adjusting the vehicle's toe-in alignment.

Checking the Tires

Covers checking tire air pressure, wear limit, and load limits.

Engine

Special Notes

Provides crucial notes and precautions for engine disassembly and reassembly.

Engine Removal and Disassembly

Details the procedure for removing and disassembling major engine components.

Cylinder Head and Valve Train

Covers cylinder head, rocker arms, camshaft, and valve systems.

Cylinder and Piston Assembly

Details the removal, inspection, and installation of the cylinder and piston.

Crankcase and Rotating Components

Covers crankcase, shafts, sheaves, and related rotating parts.

Starter Motor and Oil Pump

Details the removal and maintenance of the starter motor and oil pump.

CHASSIS

Steering assembly

Details the removal and installation of the steering assembly components.

Disc Brake components

Lists and illustrates the components of the UTV's disc brake system.

Front Brake Caliper

Details the components and removal process for the front brake caliper.

Rear Brake Caliper

Details the components and removal process for the rear brake caliper.

Parking Brake Caliper

Lists components of the parking brake caliper assembly.

Front Wheel and Tire Parts

Details the components of the front wheel and tire assembly.

Rear Wheel and Tire parts

Lists components of the rear wheel and tire assembly.

CV Axle, Front axle

Details the components and removal process for the front CV axle.

Front Bridge

Lists components related to the front bridge assembly.

CV Axle, Rear Axle

Details the components and removal process for the rear CV axle.

Gear Shift Assembly

Details the components and removal process for the gear shift assembly.

Front Suspension

Lists components and removal procedures for the front suspension.

Rear Anti-Roll Bar

Lists components and removal process for the rear anti-roll bar assembly.

Radiator and Oil Cooler

Lists components for the radiator and oil cooler assembly.

Water Pump

Lists components and removal process for the water pump assembly.

Seat

Lists components for the seat assembly.

Fuel Tank

Lists components and removal process for the fuel tank assembly.

Electrical

Electrical Basics

Introduces fundamental electrical principles and concepts.

Checking the Fuses

Explains how to check and replace fuses, including a fuse list and warning.

Electrical Components

Identifies and locates key electrical components on the UTV with a diagram.

TROUBLESHOOTING IGNITION SYSTEM

Provides a flowchart for troubleshooting ignition system failures.

Troubleshooting a starter motor failure

Provides a guide to diagnosing and resolving starter motor failures.

Troubleshooting the charging system

Guides on diagnosing charging system issues when the battery is not charging.

Engine Management System

EMS Introduction, Components Layout

Introduces the Engine Management System and its major components.

Electronic Control Unit

Explains the function and installation requirements of the Electronic Control Unit (ECU).

Fuel System Diagnosis

Provides a diagnostic flowchart for troubleshooting fuel system issues.

EMS FAULT DIAGNOSIS

Explains how fault codes are displayed and accessed on the odometer.

Troubleshooting

Troubleshooting basics

Covers fundamental principles and approaches to diagnosing UTV problems.

ENGINE PRINCIPLES AND OPERATING REQUIREMENTS

Explains the basic principles and requirements for proper engine operation.

STARTING THE ENGINE

Details recommended starting procedures and troubleshooting for engine starting issues.

Flooded engine

Explains how to troubleshoot a flooded engine condition.

ENGINE WILL NOT START

Provides a systematic approach to diagnosing why the engine will not start.

Spark Test

Details the procedure for performing a spark test to diagnose ignition system issues.

POOR ENGINE PERFORMANCE

Addresses symptoms and causes of poor engine performance.

Low Engine Power

Discusses causes of low engine power, including brakes, drive system, and CVT issues.

Engine Smoke

Explains how engine smoke color can diagnose problems like burning oil or fuel.

Engine Overheating (Cooling System)

Outlines common causes of engine overheating related to the cooling system.

CYLINDER LEAK DOWN TEST

Details the procedure for performing a cylinder leak-down test.

ELECTRICAL TESTING

Covers basic electrical testing methods and precautions.

BRAKE SYSTEM

Addresses common problems and inspection points for the UTV's brake system.

Soft or Spongy Brake Lever or Pedal

Discusses causes and troubleshooting steps for soft or spongy brake levers/pedals.

HEADLIGHT/TAILLIGHT FAIL TO COME ON

A flowchart for troubleshooting headlight and taillight failures.

CHECKING THE LIGHTING SYSTEM

A flowchart for checking the UTV's lighting system continuity and voltage.

Brake light, indicator light, or warning light fails to come on

A flowchart for troubleshooting failures of brake lights, indicator lights, or warning lights.

CHECKING THE SIGNAL SYSTEM

A flowchart for checking signal system components like neutral and gear position lights.

IF THE FAN MOTOR DOES NOT MOVE

A flowchart for troubleshooting a non-operational radiator fan motor.

Fuel System

Lists common problems related to the fuel tank, fuel pump, air filter, and fuel filter.

Electrical system

Lists common electrical system issues related to spark plugs, EFI, and switches.

Starter Motor

Lists common faults related to the starter motor and battery.

Faulty gear shifting

Addresses issues with the shift drum, forks, transmission gears, and shift guides.

Wire diagram for EFI

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