DR RV340 Safety & Operating Instructions Manual Download Page 14

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RV340 ENGINE

4. ENGINE SUDDENLY STOPS RUNNING:

TROUBLE CAUSE

REMEDY

Stops suddenl

y when

runnin

Fuel supply

stem

Fuel tank is empty

Refill fuel tank

Carburetor is clogged

Check fuel line and dredge

Float is leaking

Repair

Needle valve is sticking

Dismantle float chamber and free up needle valve

Ignition

system

Spark plug is damaged, or short- circuited by carbon
deposit

Replace spark plug

Side electrode of spark plug is dropped out

Replace spark plug

High-tension wire is dropped out

Weld on

Ignition coil is punctured or short-circuited

Replace ignition coil

Engine kill wire is touching (grounding)

Locate ground and insulate

Engine

internal

Cylinder is seriously scored and valve dropped out Repair or replace damaged parts

5. ENGINE IS OVERHEATING

TROUBLE CAUSE

REMEDY

Gaso

line En

gine Is O

verheating.

Insufficient oil

Refill engine oil to proper level

Exhaust pipe blocked up

Clean exhaust pipe

Shroud leaking

Repair damaged part

Cooling fins blocked by foreign matter

Clear cooling fins

Cooling fan loose and not working

Repair cooling fan

Connection rod deformation causing piston and cylinder
bushing side wear

Replace connection rod

Cylinder or piston or piston ring is worn and is creating
heat between cylinder and crankcase

Replace the worn parts

Improper adjustment of engine governor causing high
speed.

Readjust engine governor

Crankshaft main bearing burnt out

Replace main bearing

Summary of Contents for RV340

Page 1: ...nual and all instructions before operating the DR RV340 ENGINE Original Language DR RV340 ENGINE SAFETY OPERATING INSTRUCTIONS DR Power Equipment Toll free phone 1 800 DR OWNER 376 9637 Fax 1 802 877 1213 Website www DRpower com ...

Page 2: ...dditional Information and Potential Changes DR Power Equipment reserves the right to discontinue change and improve its products at any time without notice or obligation to the purchaser The descriptions and specifications contained in this manual were in effect at printing Equipment described within this manual may be optional Some illustrations may not be applicable to your Engine This informati...

Page 3: ...oling fins recoil cover and air intake to allow the engine cool normally 7 The operator should be familiar with the working principle and structure of this gasoline engine knowing how to make an emergency stop when needed Do not allow anyone without training to operate the engine Perform periodical maintenance per the Maintenance section Fix all operation problems immediately Do not run the engine...

Page 4: ... RV340 ENGINE II Parts Description Fuel Tank Cap Fuel Tank Oil Drain Plug Variable Voltage Rectifier Muffler Spark Plug Cylinder Head Cover Oil Dipstick Assembly Air Cleaner Carburetor Fan Cover Fuel Filter ...

Page 5: ...low add the recommended engine oil up to the oil upper limit 4 Reinstall the dipstick Oil Capacity 37 oz 1 1 L 2 AIR CLEANER Remove the air cleaner cover and check the air filter to make sure it is clean and not damaged Clean or replace it as necessary see the Maintenance section for maintenance of the air filter Air Cleaner Case Body Air Filter Foam Element Air Filter Cover Captive Fasteners Tabs...

Page 6: ... 1 4 below the bottom of the filler neck Never fill fuel above the bottom of the filler neck Recommended Fuel 87 octane with no more than 10 Ethanol Fuel Tank Capacity 0 92 gal 3 5 L IV Starting Running and Stopping the Engine The operation of the Engine is determined by the Control Panel design that is specific to your machine Refer to the Safety and Operating Instructions of your machine for det...

Page 7: ...y 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 genuine DR Power replacement parts 3 Tampering and Altering Tampering with or altering the emissions control system may increase emissions beyond the legal limit Do not remove or alter and part of the intake fuel or exhaust s...

Page 8: ...maintenance schedule and routine inspection procedures must be carefully followed Frequency Items Each Time Before use First month or first 20hrs of operation Each Season or 50hrs of operation Every 6 months or 100 hrs of operation Every year or every 300 hrs of operation Engine Oil Oil Level Check Replace Air Cleaner Check Clean Replace Spark Plug Check Adjust Replace Oil Strainer Clean Valve cle...

Page 9: ...upposed to stay assembled to the Cover when the Cover is removed 2 Remove the Foam Element and Air Filter from the engine 3 Lightly tap or shake the dust from the Air Filter Clean the Foam Element with soapy water Note If the foam Pre cleaner 37336 or paper filter 37337 is too dirty to clean clogged or damaged you must replace them with new ones 4 Clean the Air Filter Cover and inner surface with ...

Page 10: ...r is damaged replace the spark plug 5 Measure the spark plug clearance with a feeler gage The clearance should be 028 032 0 7 0 8mm If adjustment is necessary bend the side electrode carefully 6 Check if the spark plug gasket is in good conditions Screw in the spark plug as far as you can by hand to prevent thread damage 7 Tighten the spark plug with a spark plug wrench and compress the gasket If ...

Page 11: ...e maintain according to following table when reusing after storing Storing time Maintaining procedure recommended in order to prevent starting difficulty 1 month No maintenance needed 1 2 month Drain the used gasoline out and add the fresh gasoline 2 months to 1 year Drain the used gasoline out and add the fresh gasoline Drain the gasoline out of the carburetor cup Drain the gasoline out of the se...

Page 12: ...tem Normal high tension line Spark Spark plug is in bad condition Too much carbon deposit and dirt around electrodes Clear away Electrodes are burn damaged seriously or insulators damaged Replace spark plug Improper electrodes gap Adjust to proper value High tension line no spark Ignition system Normal spark plug High tension line is damaged Replace Ignition coil is damaged Replace Magneto loses m...

Page 13: ...ightness is poor Repair 3 ENGINE NOT RUNNING SMOOTHLY TROUBLE CAUSE REMEDY Knocking sound Piston cylinder or piston ring is worn excessively Replace worn parts Piston pin and piston pin hole are worn excessively Replace piston or piston pin Tie rod small head is worn excessively Replace tie rod Roller bearing for crankshaft main shaft is worn Replace roller bearing Abnormal combustion Engine is to...

Page 14: ...ounding Locate ground and insulate Engine internal Cylinder is seriously scored and valve dropped out Repair or replace damaged parts 5 ENGINE IS OVERHEATING TROUBLE CAUSE REMEDY Gasoline Engine Is Overheating Insufficient oil Refill engine oil to proper level Exhaust pipe blocked up Clean exhaust pipe Shroud leaking Repair damaged part Cooling fins blocked by foreign matter Clear cooling fins Coo...

Page 15: ...Crankshaft main neck is worn Replace bearing Piston ring is broken Replace piston ring Metal beating sound when abnormal combustion occurs Too much carbon deposit in combustion chamber Clear away carbon deposit Improper fuel brand Replace fuel Engine is overheated Find the cause for overheating and eliminate it Other problems Improper valve clearance Readjust valve clearance properly Flywheel is n...

Page 16: ... N m 2 500 rpm Fuel Consumption 374 g kW h Cooling System Forced Air cooled Ignition System Transistorized Magneto Ignition TCI PTO Shaft Rotation Vertical Shaft Output Spark Plug Clearance 028 032 0 7 0 8mm Valve Clearance cold engine Intake 0 10 0 15 mm Exhaust 0 15 0 20mm Igniter Clearance 0 4 0 1 mm Items Thread Diameter Torque Value N m Kg m Connection rod Bolt M8 15 1 5 Cylinder Head Bolt M8...

Page 17: ...CONTACT US AT www DRpower com 17 X Electrical Diagrams 1 ELECTRIC DIAGRAM ...

Page 18: ...l damages or expenses of any kind including but not limited to cost of equipment rentals loss of profit or cost of hiring services to perform tasks normally performed by the DR RV340 ENGINE SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS AND YOU ALSO HAVE OTHER RI...

Page 19: ...part repaired or replaced under the warranty must be warranted for the remaining warranty period 2 Any warranted part that is scheduled only for regular inspection in the written instructions required by subsection d must be warranted for the warranty period defined in Subsection b 2 A statement in such written instructions to the effect of repair or replace as necessary will not reduce the period...

Page 20: ... EGR System i EGR valve body and carburetor spacer if applicable ii EGR rate feedback and control system 5 Air Injection System i Air pump or pulse valve ii Valves affecting distribution of flow iii Distribution manifold 6 Catalyst or Thermal Reactor System i Catalytic converter ii Thermal reactor iii Exhaust manifold 7 Particulate Controls i Traps filters precipitators and any other device used t...

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