340 Gasoline Engine - This website is under maintenance
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1. manner that is compatible with the environment We suggest you take used oil in a sealed container to your local recycling center or service station for reclamation Do not throw it in the trash or pour it on the ground or down a drain 2 Maintenance of air cleaner A dirty or damaged air cleaner will allow dust entering into the engine causing rapid engine wear So service the air cleaner in time Remove the bolt and air cleaner cover Be careful to prevent dirt and debris from falling into the air cleaner base opening Remove the foam element or paper element Check clean or replace the damaged air cleaner parts Reinstall the air cleaner parts then bolt and screw down it Never clean the air cleaner element with gasoline or low flash point detergents or explosion may happen Clean the foam filter with soapy water blow the paper element with compressed air or lightly tap off dust and never dry to brush e 1 9 e 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 0705 SPARK PLUG MODEL NGK BPSES BPRSES TORCH F6TC F6RTC Don t touch the muffler to avoid burn in the engine running or just stopping a moment 1 Remove the spark plug cap 2 Clear away dirt around the spark plug base 3 Dismantle the spark plug with a spark plug wrench 4 Visually check the spark plug Clean with a steel2. TROUBLESHOOTING 4 STOP SUDDENLY WHEN RUNNING TROUBLE CAUSE REMEDY Fuel supply Carburetor is clogged Check fuel line and dredge system Float is leaking Repair Needle valve is sticked Dismantle float chamber and eliminate it Spark plug is punctured or short circuited by carbon deposit Replace spark plug Stop suddenly when running Side electrode of spark plug is dropped out Replace spark plug Ignition system High tension wire is dropped out Weld on Ignition coil is punctured or short circuited Parking wire is located on engine body Find out meeting and insulate Cylinder is seriously scored and valve Repair or replace damaged parts dropped out 5 GASOLINE ENGINE IS OVERHEAT Oil insufficient or wrong oil ratio in the gasoline Cooling fins blocked by foreign matter Clear cooling fins Gasoline engine is Cooling fan i loosen and misfunction Reinstall well Connection rod deformation to make piston and cylinder bushing side wear Replace ignition coil overheat Replace connection rod Cylinder or piston or piston ring is worn to make A Replace the worn parts hunting between cylinder and crankcase P Improper adjustment of engine governor to produce Drops J gne g P Readjust engine governor speed high Crankshaft main bearing burnt out Replace main bearing The gasoline engine should be kept about 80 110 temperature around the outlet of the shroud If the temperature is to
3. UYM uorSsardtrroo TROUBLE Knocking sound Abnormal combustion TROUBLE CAUSE REMEDY Air in fuel line or fuel line clogged Exhaust air or dredge fuel line Main oil flow hole is not adjusted properly In carburetor needle valve hole and main oil amp Clean and blow to get through flow hole clogged Fuel cock is clogged up Clean replace damaged part Too much carbon deposit in combusting Clear away chamber Too much car bon fouling in muffler and Clear away exhaust pipe Air cleaner is clogged up Clean air cleaner filter element Intake pipe is leaking Repair or replace Piston or cylinder or piston ring is worn Replace the worn Air leakage from the surface by which cylinder block contacting with cylinder head Replace cylinder gasket Too big or too small valve clearance Readjust 3 GASOLINE ENGINE CANNOT RUNNING SMOOTHLY CAUSE REMEDY Piston cylinder or piston ring is worn Replace the worn excessively Piston pin and piston pin hole are worn 2 Replace piston or piston pin excessively P P Tie rod small head is worn excessively Replace tie rod Roller bearing for crankshaft main shaft is worn Replace roller bearing Engine is too hot Shoot trouble Too much carbon deposit in combustion Clear away chamber Improper gasoline brand or low gasoline quality Replace with qualified gasoline Spark lacking 24 There is water in float chamber Clean
4. brush If the insulator is damaged replace the spark plug instead 5 Measure the spark plug clearance with a feeler The clearance should be 0 7 0 8mm If adjustment is necessary bend the side electrode carefully 6 To avoid cross threading first screw in spark plug by hand then tighten with a spark plug wrench to compress the gasket 7 If a new spark plug is used more twist 1 2 turns after compressing the gasket 20 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 21 TRANSPORT AND STORAGE IX TRANSPORT AND STORAGE Do not incline the engine so as to avoid fuel s spill in transporting Spilled fuel or fuel vapor may ignite to cause fire If suspension for a long time storage should be as following 1 2 The storage area is dry and free of dust Completely drain fuel out of the fuel tank and carburetor Fuel is extremely flammable and explosive under certain conditions Keep smoke fire and spark away from operating site Turn the fuel cock to OFF close position and remove the oil drain plug of the carburetor Turn the fuel cock to ON open position to drain the fuel of the fuel tank by carburetor to the container Reinstall the oil drai
5. jeunoN reds sur UOISU31 SUOHIDUOQ ur st edS Ignition coil is damaged 5 Addns any euuioN 7 1545 UONIUST reds ou UOISua1 HSIH 3n d y eds jeurrrON Piston ring is worn to or even over its wear limit Piston ring is broken Piston ring is sticking Clear up carbon fouling Spark plug MEM Tighten with a gasket in tighten or without a gasket Check cylinder gasket and the flatness of the surface by which cylinder block contacting with cylinder head en ce tp ce ce ce ce ce p er la ec ds a a a a Air leakage between cylinder block and cylinder head Tighten cylinder head bolts in stipulated order to stipulated torque Air leakage in the valves n Check valve Clearance and tightness repair if necessary uorssa1duroo 1opur Ao euttouqy If still can t starting have the engine to our authorized dealer for repairing e 23 TROUBLESHOOTING When testing the spark plug never hold the high voltage wire of the spark plug with wet hand Make sure there is spilled fuel outside the engine and that the spark plug isn t dipped with fuel To prevent fire keep sparks far away from the spark plug mounting hole 2 GASOLING ENGINE POWER OUTPUT INSUFFICIENCY mraJSAs Aiddns jang Suruuni dojs pue JO 5 osea1our DaadS oyo Surseo1our
6. running with maximum load at high speed to avoid the engine damaged 15 EXHAUST CONTROL SYSTEM SERVICE Vil 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 The company decreases the exhaust emissions by introducing poor fuel carburetors and other devices into the engine to solve the problem To keep the exhaust of your engine with in the standard exhaust emission pay attention to the following 1 Maintenance Maintain the engine periodically in accordance with the maintenance schedule in the manual The maintenance schedule is made out on the base of normal use in normal conditions if using under heavy load dusty or wet circumstances or in high temperature service of the engine should be done more often 2 Replacing Parts To ensure the best quality and reliability use only new genuine our company parts or their equivalents for repair and replacement 3 Tampering and Altering Tampering with or altering the emission control system may increase emissions beyond the legal limit Among those acts that constitute tampering are e 16 EXHAUST CONTROL SYSTEM SERVICE 1 Removal or alteration of any part of the intake fuel or exhaust systems 2 Alteri
7. 340 Gasoline Engine Vertical Shaft PREFACE Thank you for choosing general gasoline engine of our company The manual gives information with respect to operation and maintenance of 340 vertical shaft series general gasoline engine and be sure to read it carefully first before operation Only operate as the manual tells can insure user s safety and get the best results of the engine operation If a problem should arise or if you have any questions about your gasoline engine consult an authorized our company servicing dealer Vertical shaft gasoline engine series in this manual is mainly used in the lawn mover mini tiller and high pressure washer All information and diagrams of this manual are in accordance with the newest products at the publishing time If revision and other change of the information descried in this manual are a little different from the actual status our company will explain it Our company reserves the right to make change at any time without notice and without incurring any obligation No part of this publication may be reproduced without written permission This manual should be considered a permanent part of the engine and should remain with the engine if resold 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 po
8. ER CASE BODY ELEMENT ASSY ELEMENT CONNECTING BOLT D Remove the air cleaner housing 2 Remove foam element or paper element paying attention to prevent dust and foreign matter entering into air cleaner 3 Check clean or replace damaged air cleaner parts 4 Reinstall the air cleaner parts 10 PRE OPERATE INSPECTION 3 BATTERY CONNECTION RECTIFIER 2 ae a Fe BATTERY NN DC Use 12V and more than 45A 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 make sure that it is tight and not rusted If rusted clean and connect Apply the grease on the end and connector lug 1 The battery may give off explosive gas keep sparks flames and cigarettes away Charge or use it indoors with good ventilation 2 The battery contains sulphuric acid electrolyte Contact with skin or eyes may cause severe burns If electrolyte gets in your skin flush with water if gets in your eyes flush with water for at least 15 minutes and call a physician at once 11 PRE OPERATE INSPECTION 3 Electrolyte is poisonous If swallowed drink large quantities of 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
9. contact our company dealer 2 TORQUE OF IMPORTANT BOLTS Torque value Thread di Nem Connection od bol Cylinder head bolt Flywheel nut Items Crankcase cover bolt Valve clearance adjusting nut Valve rocker bolt Spark plug M14x1 25 2 2 27 ELECTRIC DIAGRAM XIII ELECTRIC DIAGRAM Engine switch 109 UOHIUST Sn d x1edg Sed 10 JUIS e 28 EASY WORN PARTS AND ACCESSORIES LIST EASY WORN PARTS AND ACCESSORIES LIST ASY WORN PARTS LIST ASY WORN PARTS LIST CYLINDER HEAD COVER SLEEVE GASKET FORCING BAR CYLINDER HEAD GASKET SPARK PLUG OIL SEALING BREATH GROOVE GASKET CRANKCASE GASKET OIL TUBE CARBURETOR GASKET INTAKE PORT GASKET AIR CLEANER GASKET EXHAUST VENT GASKET 29 93004 Z320310 0000
10. horten the engines service life Check the engine with it stopped on a level ground Use 4 stroke engine oil for API service classification SE class or equivalent and always check API service label on the oil container to be sure it includes the letters SE or equivalent ENGINE OIL CAPACITY 340 1 11 ENGINE OIL RECOMMENDED SAE10W 30 SAE 20 0 20 40 60 80 1 09 F 20 10 0 10 20 40 environment temperature Check method 1 Remove the dipstick and clean it 2 Reinsert the dipstick into the oil filling hole without screwing it and check oil level 3 If the oil level is too low add the recommended engine oil up to the oil upper level 8 PRE OPERATE INSPECTION 4 Reinstall the dipstick AMPLIFIED FIGURE OILING PORT OIL LOWER LIMIT DRAINING HOLE OIL UPPER LIMIT DRAINING HOLE OIL DIPSTICK Engine oil change Used engine oil may cause skin cancer if repeatedly left in contact with the skin for prolonged periods It is still advisable to thoroughly wash your hands with soap and water as soon as possible after handling used oil Please dispose of used engine oil in a manner that is compatible with the environment 1 Screw the oil dipstick out 2 Tilt the gasoline engine and let the oil overflowing out from the hole 0 PRE OPERATE INSPECTION 2 AIR CLEANER Never run the engine without an air cleaner or severe wear of the engine may be resulted in AIR CLEAN
11. ing and any flames or sparks 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 10 Do not run the engine in airtight or ill ventilated places 11 The exhaust muffler is very hot during running the engine even after the engine stops Never touch it or you may get burns Transport or store the engine with it cooling down entirely 12 Safe warning label Please carefully read warning label before operating Our company will not assume any responsibility for person hurt or equipment damaged caused by disregarding this warning label PARTS DESCRIPTION ll PARTS DESCRIPTION 1 FEATURE CYLINDER VARIABLE HEAD COVER VOLTAGE ASSY RECTIFIER MUFFLER N N E Y LI OIL DRAIN PLUG A i SPARK PLUG OIL DIPSTICK ASSY AIR CLEANER FAN COVER 2 Z SHROUD COVER CARBURETOR PARTS DESCRIPTION 2 MODEL amp SERIES NO FINISHED PRODUCT NO x XX X XXXV XX XK XXX KK KX 4 X OPE AH MODEL SERIAL NO 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 s
12. n plug Replace engine oil Remove the spark plug Fill about a spoon of fresh engine oil onto the cylinder Crank the engine up to distribute engine oil evenly Reinstall the spark plug Lightly pull the recoil starter rope until the resistance is felt Close the choke to protect the dust from entering in Cover the engine to protect dust entering 22 5 TROUBLESHOOTING TROUBLESHOOTING 1 START ENGINE DIFFICULTLY TROUBLE CAUSE REMEDY There is no enough fuel in fuel tank and fuel cock is closed Air vent in the fuel filler cap is Dredge air vent clogged Fuel cock is clogged Clean first and then dredge Improper or clogged main oil Readjust or clean blow to get through flow hole Needle valve is not closed Dismantle needle valve and repair clean blow to get properly or start hole is clogged through es F Fill fuel open fuel cock ou 10 jou SI ddns on reds reds eunon 8 ong SuOIA Surqjouiog Too much fuel in engine Drain extra fuel dry up spark plug electrodes Wrong fuel brand Sel roper fuel brand corresponding with the requirements st AIddns jong Too much carbon deposit and Clear awe dirt around electrodes Electrodes burn damaged Replace spark plu seriously or insulators damaged park plug Improper electrodes gap Adjust to proper value uorsso1duroo BULION ys y
13. ng or defeating the governor linkage or speed adjusting mechanism to cause the engine to operate outside its design parameters 4 Problems Affecting Exhaust Emissions 1 Difficult starting or difficult stopping 2 Engine speed is unstable 3 Muffler exhausts black smoke blue smoke or fuel and oil consume abnormal 4 The engine backfire abnormally stop or fire gun 17 MAINTENANCE Vill 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 Every 6 Each year month or season or month or or 300 hrs 20 hrs 100 hrs emp Engine oil l EN Air cleaner SER Mind 1 3 Spark plug Fuel tank Replace Every three years This items should be serviced by company authorized dealer unless you have the proper tools and mechanically proficient Service more frequently when used in dusty areas 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 3 Reinstall the oil dipstick and tighten it securely NOTE Please dispose of used engine oil and the oil containers in a
14. o high it will indicate the gasoline engine overheating 25 TROUBLESHOOTING 6 THERE EXISTS ABNORMAL NOISE WHEN ENGINE RUNNING TROUBLE CAUSE REMEDY Connection rod or piston pin and piston pin holka P Replace the worn part Beating sound oe ate WOM Crankshaft main neck is worn ace bearing Rep Rep Piston ring is broken ace piston ring Carbon deposition too much Remove the carbon deposition Metal beating sound when E Improper fuel brand Replace fuel abnormal combustion occurs Engine is overheat Find a cause and eliminate it Improper valve clearance Readjust valve clearance properly The other Fly wheel is not connected with crankshaft 4 2 Connect tightly tightly 26 SPECIFICATIONS XI SPECIFICATIONS 1 MAIN SPECIFICATON LxWxH not including crankshaft output terminal 415x442x315 Da Weg Engine Type Single cylinder horizontal 4 stroke OHV Displacement 340 6 Bore Stroke 88x56 Gross Power 9 55KW 3600r min 13HP Maximum Torque 20 5N m 2500r min Fuel Consumption 374g kweh Cooling System Ignition System Transistorized Magneto Ignition TCI PTO Shaft Rotation vertical shaft output DATA ADJUSTMENT Ttems Technical data Service Spark plug clearance 0 7 0 8mm To see P20 intake 0 03 0 05mm exhaust 0 06 0 08mm Valve clearance cold engine to see our company authorized dealer Specification is subject to change without notice For further information please
15. quipment damage if instructions are not followed Please pay special attention to the following 1 Strictly set the engine according to the regulated power on the owner s manual Do not overload overspeed the engine or run it with low load and at low speed in a long time 2 Use specified grade of gasoline The fuel should be fully deposited and filtrated before use Keep clean the fuel filler change the oil periodically 3 Periodically check the installation connection and the degree of tightness of the fixed bolt Tighten it if necessary 4 Periodically clean the element of the air cleaner change it when necessary 5 The engine is air cooled so clean the radiator fan cover and fan in time in order to make the engine cool normally 6 The operator should be familiar with the working principle and structure of the gasoline engine knowing how to make an emergent stop and the operation of all controlling parts Any one without training is forbidden to operate the engine Keep periodical maintenance Solve problems in time Do not run the engine in spite of malfunction 7 Running the engine in a well ventilated place keep it at least one meter away from building walls or other equipments keep away from lt SAFETY PRECAUTIONS inflammables such as gasoline matches and so on to avoid possibility of fire 8 Refuel in a well ventilated area with the engine stopped and in places refueling or storing gasoline no smok
16. tential hazards that could hurt you or others Each safety message is preceded by a safety alert symbol A and one of three words DANGER WARNING or CAUTION These mean You CAN be KILLED or SERIOUSLY HURT if you don t follow instructions INNATA You CAN be HURT if you don t follow instructions WMA You WILL be KILLED or SERIOUSLY HURT if you don t follow instructions NOTE Your engine or other property could be damaged if you don t follow instructions CONTENTS CONTENTS L SAFETY PRECAUTIONS SS 4 PARTS DESCRIPTION 6 DEEATURE CC Ni AEEA 6 2 MODEL amp SERIES NO i 7 IL PRE OPERATE INSPECTION 8 D ENGINEOIL d NE 8 2 AIR CLEANER 11 3 BATTERY CONNECTION a nennen 12 IV STARTING THE ENGINE 13 V RUNNING THE ENGINE i 14 VI STOPPING THE ENGINE 15 VII EXHAUST CONTROL SYSTEM SERVICE 16 I MAINTENANCE 16 2 REPLACING PARTS 16 3 TAMPERING AND ALTERING 16 4 PROBLEMS AFFECTING EXHAUST EMISSIONS 17 MAINTENANCE casa 18 1 MAINTENANCE SCHEDULE 18 2 MAINTENANCE METHOD eee 19 IX TRANSPORT AND STORAGE 2 2 2 2 22 X TROUBLESHOOTING ei 23 XL SPECIFICATIONS 27 XII ELECTRIC DIAGRAM 28 XIII EASY WORN PARTS AND ACCESSORIES LIST 29 SAFETY PRECAUTIONS I SAFETY PRECAUTIONS Indicate a possibility of invalid warranty and personal or e
17. the battery instead of distilled water otherwise the battery service life will be shortened 2 Do not add distilled water over electrolyte upper level mark if not electrolyte will spill out to corrupt the engine part If so be sure to wash them sway with water 3 Make sure not to connect the battery leads in reverse order or short circuit or breaker s trip may be resulted in e 12 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 13 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 If needing to adjust the speeds please contact our company authorized dealer Otherwise user have a special tool and repaired ability e 14 STOPPING THE ENGINE VI STOPPING THE ENGINE After removing engine load can directly turn the engine stop switch to O position or STOP position for stopping engine Don t stop the engine when the engine is
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