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Related Manuals for Hyundai H740E
Summary of Contents for Hyundai H740E
- Page 1 GASOLINE ENGINE H740E H740ET...
- Page 2 PREFACE Thank you for choosing general gasoline engine of our company. The manual gives information with respect to operation and maintenance of 740 general gasoline engine, and be sure to read it carefull operation. Only operate as the manual tells, can insure user’s safety and get the best results of the engine operation.
- Page 3 SAFETY MESSAGES Your safety and the safety of others are very important. We have provided important safety messages in this manual and on the gasoline engine. Please read these messages carefully. A safety message alerts you to potential hazards that could hurt you or others.
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Page 4: Table Of Contents
CONTENTS CONTENTS I. SAFETY PRECAUTIONS ………………………………………… 4 II . PARTS DESCRIPTION ………………………………………… 6 1)FEATURE ……………………………………………………… 6 2)MODEL & SERIES NO ………………………………………… 7 I II. PRE-OPERATE INSPECTION ……………………………………… 8 1) ENGINE OIL …………………………………………………… 8 2) AIR CLEANER ……………………………………………… 11 3) BATTERY CONNECTION ………………………………… 12 IV. -
Page 5: Safety Precautions
SAFETY PRECAUTIONS I. SAFETY PRECAUTIONS Indicate a possibility of invalid warranty and personal or equipment damage if instructions are not followed. Please pay special attention to the followings: 1. Strictly set the engine according to the regulated power on the owner's manual. - Page 6 SAFETY PRECAUTIONS 8. Refuel in a well-ventilated area with the engine stopped, and in places 9. Refuel the fuel tank not too full so as to avoid fuel’s spilling out. If there is spilled fuel around, be sure to clean it thoroughly before starting.
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Page 7: Parts Description
PARTS DESCRIPTION II. PARTS DESCRIPTION 1. FEATURE MUFFLER DECORATIVE BOARD SHROUD ASSY. RADIATOR SHROUD SHIELD AIR CLEANER SPARK PLUG OIL DIPSTICK OIL FILTER ASSY SOLENOID SWITCH STARTING MOTOR · 6 ·... -
Page 8: Model & Series No
PARTS DESCRIPTION 2. MODEL & SERIES NO. MODEL XXX-XXXXXXXXXX XXXXXXXXXXX FINISHED PRODUCT NO. SERIAL NO. · 7 ·... -
Page 9: I Ii. Pre-Operate Inspection
PRE-OPERATE INSPECTION III. PRE-OPERATE INSPECTION 1. ENGINE OIL Engine oil is a key factor in deciding the engine’s performance. Do not apply engine oil with additives or 2-stroke gasoline engine oil, because they haven’t enough lubrication, and may shorten the engines service life. - Page 10 PRE-OPERATE INSPECTION 4) Reinstall the dipstick. A S S E M B L I N G ON THE OILING OILING HOLE HOLE OIL PLUG SEALING RING OIL DIPSTICK OIL UPPER LIMIT OIL LOWER LIMIT OIL DRAIN PLUG FLAT WASHER DRAINING PORT ASSEMBLING ON THE DRAINING OIL PORT Engine oil change:...
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Page 11: Air Cleaner
PRE-OPERATE INSPECTION 2. AIR CLEANER Never run the engine without an air cleaner, or severe wear of the engine may be resulted in. LOCKING LEVER ASSY DECORATIVE BOARD LOCKING NUT ASSY H E X . F L A N G E B O LT – SMALL SER. -
Page 12: Battery Connection
PRE-OPERATE INSPECTION 3. BATTERY CONNECTION BATTERY CONNECT TO TERMINAL PRODUCT RECTIFIER Use 12V and more than 18A.H battery, connect its positive lead to start relay terminal while connect its negative lead to engine mounting screw, base screw or other grounding point with the engine.(See Fig. 2) Check the battery's connecting point;... - Page 13 PRE-OPERATE INSPECTION water or milk, and follow with milk of magnesia or vegetable oil and call a physician. 4. Keep out of reach of children. 1. Do not add tap water to the battery instead of distilled water, otherwise the battery service life will be shortened. 2.
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Page 14: Starting The Engine
STARTING THE ENGINE IV . STARTING THE ENGINE 1)Before starting the engine, check each pre-operation check steps above mentioned, don’t start the engine until all requirements above mentioned are met with. 2)Check the choke for CLOSE position. 3)Switch on the power supply and start the engine. ·... -
Page 15: Running The Engine
RUNNING THE ENGINE V . RUNNING THE ENGINE After starting, move the choke lever toward fuel tank direction to make the choke at “OPEN” position The engine speeds is adjusted well in the factory, so the engine can run at specified speed after starting. Don’t adjust the speeds by yourself with any purpose or it will hurt the person and damage the engine. -
Page 16: Stopping The Engine
STOPPING THE ENGINE VI. STOPPING THE ENGINE After removing engine load, can directly turn the terminal-products stop switch to “O” position or“STOP”position for stopping engine. Don’t stop the engine when the engine is running with maximum load at high speed to avoid the engine damaged. ·... -
Page 17: Exhaust Control System Service
EXHAUST CONTROL SYSTEM SERVICE VII. EXHAUST CONTROL SYSTEM SERVICE With the engine running, carbon monoxide, oxide of nitrogen and hydrocarbon will produce, and in certain conditions, oxide of nitrogen and hydrocarbon will react chemically each other to make smoke while carbon monoxide is toxic, so exhaust control of them is very important. -
Page 18: Problems Affecting Exhaust Emissions
EXHAUST CONTROL SYSTEM SERVICE 1) Removal or alteration of any part of the intake, fuel, or exhaust systems. 2) Altering or defeating the governor linkage or speed-adjusting mechanism to cause the engine to operate outside its design parameters. 4. Problems Affecting Exhaust Emissions 2)Engine speed is unstable. -
Page 19: Maintenance
MAINTENANCE VIII. MAINTENANCE 1. MAINTENANCE SCHEDULE In order to keep the engine well, must periodically service and adjust the engine. Service shall be as following schedule. First Each Every 6 Frequency Each year Each time month or season or month or Item or 300 hrs 20 hrs... -
Page 20: Maintenance Method
MAINTENANCE 2.MAINTENANCE METHOD 1. Replacement of engine oil Drain the engine oil rapidly and completely out when the engine is hot. 1) Remove the oil dipstick, drain plug and washer and drain engine oil thoroughly. Reinstall the drain plug and screw in it securely. 2) Fill the recommended engine oil and check oil level with oil dipstick. - Page 21 MAINTENANCE 3.Maintenance of spark plug In order to ensure the engine normal running, gap of the spark plug must be correct and no deposit around the spark plug. 0.7-0.8mm SPARK PLUG MODEL TORCH: F6TC/F6RTC/F5RTC or just stopping a moment. 1) Remove the spark plug cap. 2) Clear away dirt around the spark plug base.
- Page 22 MAINTENANCE 8) If reinstalling the used spark plug, just more twist 1/8-1/4 turns. 1) The spark plug must be tightened securely, or it may become very hot to damage the engine. 2) Only use recommended spark plug or the equivalent. Incorrect heat range of the spark plug may damage the engine.
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Page 23: Transport And Storage
TRANSPORT AND STORAGE IX. TRANSPORT AND STORAGE Do not incline the engine so as to avoid fuel’s spill in transporting. long time, storage should be as followings: 1.The storage area is dry and free of dust. 2.Completely drain fuel out of the fuel tank and carburetor. •... -
Page 24: Troubleshooting
TROUBLESHOOTING X. TROUBLESHOOTING 1. START ENGINE DIFFICULTLY TROUBLE CAUSE REMEDY There is no enough fuel in fuel Fill fuel, open fuel cock. tank and fuel cock is closed. Dredge air vent. clogged Fuel cock is clogged Improper or clogged main oil Readjust or clean, blow to get through. - Page 25 TROUBLESHOOTING • When testing the spark plug, never hold the high- voltage wire of the spark plug with wet hand. • Make sure there is no spilled fuel outside the engine and that the spark plug isn’t dipped with fuel. •...
- Page 26 TROUBLESHOOTING 4. STOP SUDDENLY WHEN RUNNING TROUBLE CAUSE REMEDY Carburetor is clogged Check fuel line and dredge Fuel supply system Float is leaking Repair Needle valve is sticked Spark plug is punctured, or short- Replace spark plug circuited by carbon deposit Stop suddenly Side electrode of spark plug is dropped when running.
- Page 27 TROUBLESHOOTING 6. THERE EXISTS ABNORMAL NOISE WHEN ENGINE RUNNING TROUBLE CAUSE REMEDY Piston, piston ring or cylinder is worn Replace the worn part Connection rod or piston pin and piston pin Replace the worn part hole are worn Beating sound Crankshaft main neck is worn Replace bearing Piston ring is broken...
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Page 28: Specifications
SPECIFICATIONS XI. SPECIFICATIONS 1. MAIN SPECIFICATON Model H740E/H740ET L×W×H(not including crankshaft output terminal) 443×440 ×477 Dry Weight Engine Type twin cylinder horizontal,4-stroke, (OHV) Displacement Bore × Stroke 82×70 Theoretical Maximum Power 16.8kw/3600r/min Recommended Using Power 15kw/3600r/min Maximum Torque Fuel Consumption... -
Page 29: Electric Diagram
ELECTRIC DIAGRAM XII. ELECTRIC DIAGRAM · 28 ·... -
Page 30: Easy Worn Parts And Accessories List
EASY WORN PARTS AND ACCESSORIES LIST XIII. EASY WORN PARTS AND ACCESSORIES LIST EASY WORN PARTS LIST: ACCESSORIES LIST: CYLINDER HEAD CAP GASKET SLEEVE CYLINDER HEAD GASKET FORCING BAR SPARK PLUG OIL SEAL BREATH GROOVE GASKET CRANKCASE GASKET CARBURETOR GASKET C A R B U R E T O R H E A T INSULATION WASHER INTAKE PORT GASKET... - Page 32 HYUNDAI CORPORATION HOLDINGS. 25, Yulgok-ro 2-gil, Jongno-gu, Seoul 03143, Korea, Post Code : 03143 82 2 390 1114 www.hyundaicorp.com Copyright HYUNDAI CORPORATION HOLDINGS. All rights reserved.