YARDMAX 154FDS-1 Page 25 Owner'S Manual Download

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WIRING DIAGRAMS

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0. WIRING DIAGRAMS

electric starting engine

Non-electric starting engine

black

bule

Transistorized
ignition unit

Engine
switch

Starter motor

Spark plug

Control
box

Transistorized
ignition unit

Spark plug

Engine
switch

Summary of Contents for 154FDS-1

Page 1: ...Gasoline Engine Owner s Manual 154F D S 1 156F D S 1 ...

Page 2: ...NUAL CAREFULLY Pay special attention to these symbols and any instructions that follow Indicates serious injury or death will result if instructions are not followed Indicates a strong possibility that serious injury or death could result if instructions are not followed Indicates a possibility that minor injury or an result if instructions are not followed Indicates that equipment or property dam...

Page 3: ...NGINE SAFETY 2 2 COMPONENTS CONTROL LOCATIONS 3 3 CONTROLS 4 4 CHECK BEFORE OPERATION 6 5 OPERATION 8 6 MAINTENANCE 11 7 STORAGE TRANSPORTING 17 8 TECHNICAL CONSUMER INFORMATION 19 9 ENGINE PARAMETER 22 10 WIRING DIAGRAMS 23 ...

Page 4: ...area with the engine stopped Never smoke near gasoline and keep other flames and sparks away Always store gasoline in an approved container If any fuel is spilled make sure the area is dry before starting the engine Hot Exhaust The muffler becomes very hot during operation and remains hot for a while after stopping the engine Be careful not to touch the muffler while it is hot Let the engine cool ...

Page 5: ...CATIONS 3 Priming pump 2 COMPONENTS CONTROLLOCATIONS OIL DRAIN PLUG MUFFLER FUEL TANK RECOIL STARTER CHOKE LEVER AIR box SPARK PLUG OIL DIPSTICK CYLINDER HEAD COVER IGNITION SWITCH STARTER GRIP STARTER MOTOR FUEL FILLER CAP ...

Page 6: ...e choke lever opens and closes the choke valve in the carburetor The CLOSE position enriches the fuel mixture for starting a cold engine The OPEN position provides the correct fuel mixture for operation after starting and for restarting a warm engine Some engine applications use a remotely mounted choke control rather than the engine mounted choke lever shown here Choke lever The engine switch key...

Page 7: ...e lever back 4 Priming pump The Priming Pump supply more fuel to the carburetor when starting the engine in the low temperature When you put the Priming Pump you should not put more than three times Engines applied in snow blowers are suggested using between 30 C to 4 4 C If it operates below or above this temperature scope engines couldn t start or work normally CAUTION Starter grip OR starter sw...

Page 8: ...ect any problem Before beginning your preoperation checks be sure the engine is level and the engine switch is out off the key hole 1 Check the General Condition of the Engine Look around and underneath the engine for signs of oil or gasoline leaks Remove any excessive dirt or debris especially around the muffler and recoil starter Look for signs of damage Check that all shields and covers are in ...

Page 9: ...ilding where gasoline fumes may reach flames or sparks Keep gasoline away from appliance pilot lights barbecues electric appliances power tools etc Spilled fuel is not only a fire hazard it causes environmental damage Wipe up spills immediately Fuel tank volume 1 4 L Recommended octane rating over 90 unleaded gasoline for unleaded gasoline can make carbon deposit muck less and enhance exhaust syst...

Page 10: ...de gas is toxic Breathing it can cause unconsciousness and even kill you Avoid any areas or actions that expose you to carbon monoxide Review the instructions provided with the equipment powered by this engine for any safety precautions that should be observed in conjunction with engine startup shutdown or operation STARTING THE ENGINE 1 Put the engine switch in the key hole The engine switch key ...

Page 11: ...C STARTER some engine types Plug the plug cap in electrical source carefully then press the starter When the engine running pull out the plug cap from the electric source To prevent damaging the electric starter run it no more than 10 times at intervals of 5 seconds on then 5 seconds off If the engine does not start after this series of attempts allow the starter to cool for at least 40 minutes be...

Page 12: ...ds are experienced when Choke Lever is rotated OPEN Position 1 Move Choke Lever to Mid Point Between OPEN and CLOSE Posintions and allow Engine to develop additional operating heat 2 After Engine has warmed up move Choke Lever to OPEN Posintion STOPPING THE ENGINE To stop the engine in an emergency simply turn the engine switch to the OFF position Under normal conditions use the following procedur...

Page 13: ...edule applies to normal operating conditions If you operate your engine under unusual conditions such as sustained high load or high temperature operation or use in unusually wet or dusty conditions consult your servicing dealer for recommendations applicable to your individual needs and use Safety Precautions Make sure the engine is off before you begin any maintenance or repairs This will elimin...

Page 14: ...e clearance Check Adjust 2 Cover comp head Clean After every 150 Hrs 2 Fuel tank and fuel filter Clean Every 2 years Replace if necessary 2 Fuel line Check Every 2 years Replace if necessary 2 mission related items 2 These items should be serviced by your servicing dealer unless you have the proper tools and are mechanically proficient REFUELING With the engine stopped remove the fuel tank cap and...

Page 15: ...IONS Use unleaded gasoline with a pump octane rating of 86 or higher You can also use other fuels such as ethanol gasoline These engines are certified to operate on unleaded gasoline Unleaded gasoline produces fewer engine and spark plug deposits and extends exhaust system life Never use stale or contaminated gasoline or an oil gasoline mixture Avoid getting dirt or water in the fuel tank Occasion...

Page 16: ... inconvenience of an unexpected shutdown always check the engine oil level before startup ENGINE OIL CHANGE Drain the used oil while the engine is warm Warm oil drains quickly and completely 1 Place a suitable container below the engine to catch the used oil and then remove the filler cap and the drain plug 2 Allow the used oil to drain completely and then reinstall the drain plug and tighten it s...

Page 17: ...GINE OIL RECOMMENDATIONS Using the proper type and weight of oil in the engine is extremely important as is daily checking of oil level oil or using dirty oil will cause premature engine wear and failure Oil Type When the ambient temperature is under 25 SAE 0W 30 40 is recommended for general use when the ambient temperature is above 25 but under 4 4 SAE 5W 30 or 0W 30 40 is recommended for genera...

Page 18: ...electrode gap with a suitable gauge The gap should be 0 028 0 031 in 0 70 0 80 mm Correct the gap if necessary 5 Install the spark plug carefully by hand to avoid cross threading 6 After the spark plug seats tighten with a spark plug wrench to compress the water If reinstalling the used spark plug tighten 1 8 1 4 turn after the spark plug seats If installing a new spark plug tighten 1 2 turn after...

Page 19: ...ght film of oil Using a garden hose or pressure washing equipment can force water into the air cleaner or muffler opening Water in the air cleaner will soak the air filter and water that passes through the air filter or muffler can enter the cylinder causing damage Water contacting a hot engine can cause damage If the engine has been running allow it to cool for at least half an hour before washin...

Page 20: ...e engine is level Tilting can cause fuel or oil leakage With the engine and exhaust system cool cover the engine to keep out dust A hot engine and exhaust system can ignite or melt some materials Do not use sheet plastic as a dust cover A nonporous cover will trap moisture around the engine promoting rust and corrosion If equipped with a battery for an electric starter recharge the battery once a ...

Page 21: ...oved by specific modifications to the carburetor If you always operate your engine at altitudes above 5 000 feet 1 500 meters have your servicing dealer perform this carburetor modification This engine when operated at high altitude with the carburetor modifications for high altitude use will meet each emission standard throughout its useful life Even with carburetor modification engine horsepower...

Page 22: ...ting mechanism to cause the engine to operate outside its design parameters Problems That May Affect Emissions If you are aware of any of the following symptoms have your engine inspected and repaired by your servicing dealer Hard starting or stalling after starting Rough idle Misfiring or backfiring under load Afterburning backfiring Black exhaust smoke or high fuel consumption Replacement Parts ...

Page 23: ... mm 0 20 mm cold Other specifications No other adjustments needed CONSUMER INFORMATION Publications These publications will give you additional information for maintaining and repairing your engine You may order them from your engine dealer Parts Catalog This manual provides complete illustrated parts lists QUICK REFERENCE INFORMATION Engine Oil Type SAE 5W 30 API SE or SF for general use Refer to...

Page 24: ...ables Model 154F D S 1 LC156F D S 1 Type Single cylinder 4 Stroke Forced air cooling OHV Rated power kW 3600rpm 1 65Kw 3600rpm 1 75Kw 3600rpm Max torque N m rpm 4 5N m 3800rpm 5N m 3800rpm Fuel consumption ratio g kW h 450 Speed fluctuating ratio 10 Noise dB A 70 Bore Stroke mm 54 38 56 40 Displacement cc 87 99 Compression ratio 8 5 1 9 1 Lubricating mode Splash Staring mode Recoil start Electrici...

Page 25: ...ING DIAGRAMS electric starting engine Non electric starting engine Bl black B bule B Bl Transistorized ignition unit Engine switch Starter motor Spark plug Control box Transistorized ignition unit Spark plug Engine switch B Bl ...

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