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Raven R300 Owner'S Manual Download Page 23

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 21 

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VII. STOPPING THE ENGINE

In emergency, push the engine switch to the OFF”. 
In normal, please do as following:
1. Push right the throttle lever to low speed position.

2. Push the engine switch to the “OFF” position.

3. Set the fuel cock to “OFF” position.

Sudden stopping at high speed under 
heavy load is forbidden, otherwise 
damage will result.

STOPPING THE ENGINE

THROTTLE LEVER

FUEL COCK

ENGINE SWITCH

OFF

ON

OFF

Summary of Contents for R300

Page 1: ...R212 R300 R420 Engine Owner s Manual ...

Page 2: ......

Page 3: ...engine operation All information and diagrams of this manual are in accordance with the newest products at the publishing time If revision and other change 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 publ...

Page 4: ...ully A safety message alerts you to potential hazards that could hurt you or others Each safety message is preceded by a safety alert symbol Symbol is as following You CAN be KILLED or SERIOUSLY HURT if you don t follow instructions You CAN be HURT if you don t follow instructions Your generator or other property could be damaged if you don t follow instructions Give you helpful information ...

Page 5: ...NNECTION 9 IV PRE OPERATE INSPECTION 11 V STARTING THE ENGINE 15 VI RUNNING THE ENGINE 18 VII STOPPING THE ENGINE 21 VIII EXHAUST CONTROL SYSTEM 22 IX MAINTENANCE 23 X RANSPORT AND STORAGE 27 XI TROUBLESHOOTING 29 XII SPECIFICATIONS 34 XIII ELECTRIC DIAGRAM 37 XIV EASY WORN PARTS AND ACCESSORIES LIST 39 CONTENTS ...

Page 6: ...dically clean the element of the air cleaner change it when necessary 5 The gasoline engine is air cooled so clean the radiator wind 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 ...

Page 7: ...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 Do not allow children to use this engine Keep children and pets away from the operating area 13 Safe warning label Please carefully read warning label before operating Our company will not accept any responsibility ...

Page 8: ... 6 II PARTS DESCRIPTION PARTS DESCRIPTION MUFFLER THROTTLE LEVER FUEL CAP STARTER HANDLE RECOIL STARTER ENGINE SWITCH OIL DIPSTICK OIL DRAIN PLUG AIR CLEANER CHOKE LEVER 80 ...

Page 9: ... 7 PARTS DESCRIPTION MUFFLER RECOIL STARTER THROTTLE LEVER STARTER HANDLE ENGINE SWITCH OIL DIPSTICK OIL DRAIN PLUG FUEL TANK AIR CLEANER CHOKE LEVER 100 FUEL TANK CAP ONE WAY VALVE ...

Page 10: ...UFFLER RECOIL STARTER FUEL COCK THROTTLE LEVER STARTER HANDLE ENGINE SWITCH OIL DIPSTICK OIL DRAIN PLUG FUEL TANK FUEL TANK CAP AIR CLEANER CARBURETOR ONE WAY VALVE CHOKE LEVER OIL PROTECTOR OIL PLUG PARTS DESCRIPTION ...

Page 11: ...ted If rusted clean and connect 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 If 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 onc...

Page 12: ...ery instead of distilled water otherwise the battery service life will be shortened 2 Do not add distilled water over the electrolyte upper level mark if not electrolyte will spill out and corrupt the engine part If so be sure to wash them away with water 3 Make sure not to connect the battery leads in reverse order otherwise short circuit or breaker s trip may be result in ...

Page 13: ...rt may be used when the average temperature in your area is within the indicated range Oil level check 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 filling neck 4 Reinstall the dipstick 5 Lubrication oil capacity 80 100 0 35L 180 3 ...

Page 14: ...ete Clean or replace it as necessary see page 25 maintenance of air cleaner Never run the engine without an air cleaner or severe wear of the engine may be resulted in That is not within the valid warranty 3 CHECK THE OIL 1 Remove the fuel tank cap and check fuel level 2 If the level is too low refuel the tank Remember adding fuel not PRE OPERATE INSPECTION OIL DIPSTICK OIL UPPER LEVEL DRAIN PLUG ...

Page 15: ...k there should be no fuel in the filling neck After refueling make sure the fuel tank cap is set back securely 4 Be careful not to spill fuel when refueling Spilled fuel or fuel vapor may ignite If any fuel is spilled make sure the area is dry before starting the engine 5 Avoid repeated or prolonged contact with skin or breathing of fuel vapor Keep out of reach of children Fuel tank capacity 80 10...

Page 16: ...al Do not be worry about that If knocking or spark exploding sound occur at a steady speed under normal load change brand of gasoline if such phenomena still happen consult your dealer for help otherwise the engine may be damaged When the engine is running continuously Knocking or spark exploding sound occurring will damage engine Knocking or spark exploding sound from misusing will not be within ...

Page 17: ...GINE V STARTING THE ENGINE 1 Turn the fuel cock to the ON position 2 Turn the choke lever to the START position If the gasoline engine is hot turn the choke lever to the RUN position FUEL COCK OFF ON START RUN CHOKE LEVER ...

Page 18: ...urn the engine switch to the ON OPEN position Pull the starter grip lightly until resistance is felt then briskly Don t allow the starter grip to snap back against the engine Return it gently to prevent damage to the starter STARTING THE ENGINE THROTTLE HANDLE HIGH SPEED LOW SPEED ...

Page 19: ...oline engine starts When the engine starts allow the engine switch to return to the ON position Do not use the starter for more than 5 seconds or starter motor damage may occur If the engine fails to start release the switch and wait 10 seconds before operating the starter again STARTING THE ENGINE ...

Page 20: ...gine run at required velocity ENGINE OILALARM The engine oil alarm is specially designed to protect engine when the engine oil in the crankcase is insufficient Once the engine oil level gets lower than the limit line the alarm system will stall the engine automatically while the engine switch is still at ON position RUNNING THE ENGINE CHOKE LEVER THROTTLE LEVER RUN ...

Page 21: ...de the standard carburetor air fuel mixture will be too rich Performance will decrease and fuel consumption will increase A very rich mixture will also foul the spark plug and cause hard starting Operation at an altitude that differs from that at which this engine was certified for extended periods of time may increase emissions The fuel system on this Engine or Equipment may be influenced by oper...

Page 22: ...ne may experience decreased performance even with the high altitude kit If a carburetor is replaced the proper high altitude kit jet will need to be installed into the replacement carburetor WARNING To prevent serious injury from fire Follow the kit procedures in a well ventilated area away from ignition sources If the engine is hot from use shut the engine off and wait for it to cool before proce...

Page 23: ...llowing 1 Push right the throttle lever to low speed position 2 Push the engine switch to the OFF position 3 Set the fuel cock to OFF position Sudden stopping at high speed under heavy load is forbidden otherwise damage will result STOPPING THE ENGINE THROTTLE LEVER FUEL COCK ENGINE SWITCH OFF ON OFF ...

Page 24: ...ion 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 Problems affecting exhaust emissions 1 Difficult starting or dif...

Page 25: ... equipped Clean Spark Plug Check adjust Spark arrester Clean Idling if equipped Check adjust Valve clearance Check adjust Fuel tank fuel filter Clean Fuel line Check Every 2 years change if necessary Cylinder head piston Clean up carbon 225cc Every 125hrs 225cc Every 250hrs These items should be replaced if replacement needed These items should be maintained and repaired by our authorized dealer u...

Page 26: ...even death 2 MAINTENANCE METHOD 1 Replacement of engine oil see page 11 to check method Drain the engine oil rapidly and completely out when the engine is hot 1 Turn off the oil filler cap and drain plug to drain engine oil thoroughly Reinstall the drain plug and screw in securely 2 Fill the specified engine oil up to the upper level mark 3 Reinstall the oil filler cap Do not dump oil containers o...

Page 27: ...can speed up the engine wear 1 Remove the air cleaner cover off and take the element out 2 Paper element Wash the element with home detergents and warm water or non flammable or high flash point cleansing solvents and dry up Foam element Soak in clean engine oil until saturated Squeeze out excess oil otherwise the engine will smoke in starting stage 3 Clean the air cleaner cover and inner surface ...

Page 28: ...y 6 Check if the spark plug gasket is in good conditions In order to screw thread misplace screw in by hand 7 Screw on the spark plug to the bottom first by hand and then screw in by a spark plug wrench and compress the gasket If a new spark plug is used more twist 1 2 turns after compressing the gasket If reinstalling the used spark plug just more twist 1 8 1 4 turns Don t touch the muffler in ru...

Page 29: ... a proper container under the carburetor as shown on the fig 3 Open the fuel cock to completely train gasoline out of the fuel tank 4 Reinstall the oil drain plug back and tighten it Fuel is extremely flammable and explosive under certain conditions Keep smoke fire and spark away from operating site 5 Drain the oil out of the gasoline engine 6 Remove the spark plug Fill about a spoon of fresh engi...

Page 30: ...nt bowl 1 year over Drain the used gasoline out and add the fresh gasoline Drain the gasoline out of the carburetor cup Drain the gasoline out of the sediment bowl After removing out of the storage first drain the used gasoline to proper container and don t start before adding fresh gasoline Loosen the oil drain bolt and completely drain the gasoline out of the carburetor to prop er container and ...

Page 31: ...blow to get through Float is damaged or sticking Repair float Fuel supply is normal Fuel is too filthy or deteriorated Replace There is water in fuel Replace Too much fuel in engine Drain extra fuel dry up spark plug electrodes Wrong fuel brand Select proper fuel brand corre sponding with the requirements Normal fuel supply system Normal high tension line spark Normal high tension line spark Too m...

Page 32: ...head bolts in stipu lated order to stipulated torque Air leakage in the valves Check valve Clearance and tight ness repair if necessary If still can t starting have the gasoline engine to our authorized dealer for repairing 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...

Page 33: ...the worn Air leakage from the surface by which cyl inder block contacting with cylinder head Replace cylinder gasket Too big or too small valve clearance Readjust Valve tightness is poor Repair 3 GASOLINE ENGINE RUNNING UNSMOOTHLY TROUBLE CAUSE REMEDY Knocking sound Piston cylinder or piston ring is worn exces sively Replace the worn Piston pin and piston pin hole are worn exces sively Replace pis...

Page 34: ... body Find out meeting and insulate The other Cylinder is seriously scored and valve dropped out Repair or replace damaged parts 5 GASOLINE ENGINE IS OVERHEAT TROUBLE CAUSE REMEDY Gasoline Engine Is Overheat Oil insufficient Refill engine oil enough Exhaust pipe blocked up Clean exhaust pipe Shroud leaking Repair damaged part Cooling fins blocked by foreign matter Clear cooling fins Cooling fan lo...

Page 35: ...n ring Metal beating sound when abnormal combustion occurs Too much carbon deposit in combusting chamber Clear away carbon deposit Too small electrode clearance of spark plug Adjust electrode clearance prop erly Engine fuel is too much Check relative parts such as car buretor Improper fuel brand Replace fuel Engine is overheat Find a cause and eliminate it The other Improper valve clearance Readju...

Page 36: ... 70 55mm 70 58mm Maximum Output Power 1 4kW 3600r min 1 8kW 3 600r min 3 5kW 3 600r min 4 1kW 3 600r min 4 3kW 3 600r min 3 4kW 3600r min equipedwith catalyst Maximum Torque 3 6N m 2 500r min 4 7N m 2 500r min 9 5N m 2 500r min 12N m 2 500r min 13N m 2 500r min Cooling System Forced Air cooled Ignition System Transistorized Magneto Ignition TCI Spark Plug E5TC E7TC BP6ES NGK F6RTC NHSP F6TC F7RTC ...

Page 37: ...N Model Specification 300 390 420 440 L W H 430 392 425mm 480 320 440mm 480 320 440mm 480 320 440mm Dry Weight 26kg 32kg 32 5kg 32 5kg Engine Type 4 Stroke OHV Single Cylinder Displacement 301ml 389ml 420ml 438ml Compression Ratio 8 2 1 8 0 1 8 2 1 8 5 1 Bore Stroke 80 60mm 88 64mm 90 66mm 92 66mm Maximum Output Power 6 0kW 3 600r min 7 6kW 3 600r min 8 5kW 3 600r min 8 5kW 3 600r min Maximum Torq...

Page 38: ...0 0 15mm Exhaust 0 15 0 20mm 2 TORQUE OF IMPORTANT BOLTS Items Specifications Torque Valve N m Kg m Connection Rod Bolt M8 1 25 special 15 1 5 Cylinder Head Bolt M10 1 25 40 4 0 Flywheel Nut M16 1 5 special 95 9 5 Lock Nut Of Rocker Arm Shaft M6 0 75 10 1 0 Rocker Arm Stud M8 1 25 special 24 2 4 Crankcase Bolt M8 1 25 28 2 8 ...

Page 39: ...mbination Switch IG E ST BAT O ON START O O Bl BLACK Br BROWN Y YELLOW W WHITE With Oil Protection System Y Bl Bl CONTROLLING BOX IGNITION COIL CHANGING COIL SPARK PLUG OIL SENSOR OIL PROTECTOR ENGINE SWITCH STARTING MOTOR BATTERY STARTING RELAY W Bl W Bl Bl Bl Br W Br W W W Y CIRCUIT BREAKER DIODE ...

Page 40: ... 38 ELECTRIC DIAGRAM Bl BLACK Y YELLOW G GREEN IGNITION COIL ENGINE SWITCH SPARK PLUG Bl Y Y Bl Y OIL SENSOR OIL PROTECTOR 2 No Electric Starter Engine With Oil Protection System ...

Page 41: ...CESSORIES LIST CRANKCASE GASKET CYLINDER HEAD COVER GASKET CYLINDER HEAD GASKET CARBURETOR GASKET CARBURETOR INSULATION GASKET AIR CLEANER GASKET EXHAUST VENT GASKET SPARK PLUG RECOIL STARTER SEAL GUIDE OIL SEALING SOCKET FORCE BAR EASY WORN PARTS LIST ACCESSORIES PART ...

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