WEN POWER 56173 Owner'S Manual Download Page 1

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173cc Vertical
Engine

Item # 56173

Owner’s Manual

Manual del Propietario

Questions? Problems?

Please call our customer help line:

(800) 232-1195

M-F 8-5 CST

FEATURES

•

Low Oil Automatic Shutoff

•

Circuit Breaker for Overload Protection

•

0.3 Gallon Fuel Tank Capacity

•

Meets EPA Phase III Emission Standards and CARB Emission Standards

2012

www.wenproducts.com

Summary of Contents for 56173

Page 1: ...uestions Problems Please call our customer help line 800 232 1195 M F 8 5 CST FEATURES Low Oil Automatic Shutoff Circuit Breaker for Overload Protection 0 3 Gallon Fuel Tank Capacity Meets EPA Phase III Emission Standards and CARB Emission Standards 2012 www wenproducts com ...

Page 2: ...ow for the location of Serial Number Record engine information in the spaces provided below DATE OF PURCHASE ______________________________________________ PURCHASED FROM ______________________________________________ ITEM NUMBER ____________________________________________________ ENGINE SERIAL NUMBER _________________________________________ Serial Number SERVICE RECORD Record Service Dates Date...

Page 3: ... Oil 7 Step 2 Add Gasoline 8 STARTING THE ENGINE 9 SUBSEQUENT STARTING OF THE ENGINE 10 Step 1 Check the Oil 10 Step 2 Check the Fuel Level 11 STOPPING THE ENGINE 11 MAINTENANCE CARE 12 Cleaning the Engine 12 Checking the Oil 12 Changing Adding Oil 13 Air Cleaner Maintenance 13 Spark Plug Maintenance 13 Draining the Fuel Tank 14 STORAGE TRANSPORT PROCEDURES 15 SPECIFICATIONS 16 TROUBLESHOOTING 18 ...

Page 4: ...ial messages to bring attention to potential safety concerns engine damage as well as helpful operating and servicing information Please read all the information carefully to avoid injury and machine damage Questions Problems In order to answer questions and solve problems in the most efficient and speedy manner contact Customer Service at 800 232 1195 M F 8 5 CST NOTICE REGARDING EMISSIONS Engine...

Page 5: ...afety information about hazards that can result in personal injury A signal word DANGER WARNING or CAUTION is used with the alert symbol to indicate the likelihood and the potential severity of injury In addition a hazard symbol may be used to represent the type of hazard DANGER indicates a hazard which if not avoided will result in death or serious injury WARNING indicates a hazard which if not a...

Page 6: ...ry backup CO alarm in the home If you start to feel sick dizzy or weak after the engine has been running move to fresh air RIGHT AWAY See a doctor You may have carbon monoxide poisoning WARNING The exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm WARNING This engine may emit highly flammable and explosive gasolin...

Page 7: ...e it or shorten its life Use engine only for its intended purposes Operate only on dry level surfaces Turn engine switch to off position when the engine is not running IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important instructions for WEN engine that should be followed during installation and maintenance of the engine Engines vibrate in normal use Have damaged it...

Page 8: ...ENGINE COMPONENTS Please familiarize yourself with the locations and functions of the various components and controls of your engine Dipstick Starter Handle Fuel Cap Muffler Air Cleaner 5 ...

Page 9: ...holes or make a mounting plate to align with the engine mounting holes Only a qualified technician should attempt these solutions 4 Use 3 8 diameter coarse threaded hardened stainless steel Bolts Lock Washers and Washers not included of appropriate length to secure the Engine to the mower Make sure the hardware does not contact moving parts 5 Insert the mower s brake cable sheath through the hole ...

Page 10: ...the American Petroleum Institute API service classifications SJ SL or SM Synthetic oils may be used Use the SAE viscosity grade of oil from the following chart that matches the starting temperature anticipated before the next oil changes Figure1 Engine oil recommendations To fill oil to the crankcase follow these steps 1 Make sure the engine is on a level surface Tilting the engine to assist in fi...

Page 11: ...ing turn fuel valve to off position and disconnect spark plug wire Use fresh within 30 days from purchase unleaded gasoline with a minimum 87 octane rating Do not use gasoline which contains Methanol Do not mix oil with gasoline To add gasoline follow these steps 1 Make sure the engine is on a level surface 2 Unscrew fuel cap and set aside NOTE the fuel cap may be tight and hard to unscrew 3 Slowl...

Page 12: ... these areas Using a fan or opening windows and doors does NOT supply enough fresh air ONLY use an engine outside and far away from windows doors and vents These openings can pull in engine exhaust Even if you use an engine correctly CO may leak into the home ALWAYS use a battery powered or battery backup CO alarm in the home If you start to feel sick dizzy or weak after the engine has been runnin...

Page 13: ...se After this period Change the engine oil Under normal operating conditions subsequent maintenance follows the schedule explained in the MAINTENANCE AND SERVICING section SUBSEQUENT STARTING OF THE ENGINE If this is not the first time using the engine user should take the following steps to prepare it for operation IMPORTANT At this point the user should be familiar with the procedures described ...

Page 14: ...n tank Do not overfill fuel tank Gasoline may expand during operation Do not fill to the top of the tank Allow for expansion Always check for spilled fuel before operating Clean up any spilled fuel before starting Empty fuel tank before storing or transporting the engine Before transporting turn fuel valve to off and disconnect spark plug wire IMPORTANT Use only UNLEADED gasoline with an octane ra...

Page 15: ...ommended maintenance schedule Cleaning the Engine Never clean the engine when it is running Never clean with a bucket of water or a hose Water can get inside the working parts of the engine and cause a short circuit or corrosion Always try to use the engine in a cool dry place If the engine becomes dirty clean the exterior with a damp cloth a soft brush vacuum or pressurized air Checking the Oil C...

Page 16: ...ever dispose of used motor oil in the trash or down a drain Please call your local recycling center or auto garage to arrange oil disposal Air Cleaner Maintenance Routine maintenance of the air cleaner helps maintain proper air flow to the carburetor Check that the air cleaner is free of excessive dirt 1 Remove the air cleaner cover and the air cleaner elements and check for dirt Clean or replace ...

Page 17: ...uel valve to the OFF position Move the engine in a well ventilated area away from ignition sources 2 Place a funnel leading to a proper gasoline container below the carburetor 3 Remove the drain bolt from the bottom of the carburetor bowl and allow the fuel to drain 4 Open the fuel valve After all fuel has drained reinstall the drain bolt Tighten securely 5 Store the emptied gasoline in a suitable...

Page 18: ... reduces the amount of air in the tank and helps reduce deterioration of fuel Run the engine for 2 3 minutes allowing stabilized fuel mixture to circulate through the carburetor When transporting or storing the engine for extended periods of time Drain the fuel tank see Draining the Fuel Tank in the Maintenance section Disconnect the spark plug cap from the spark plug Do not obstruct any ventilati...

Page 19: ... F or below Capacity 0 6 Quart Lubrication System Forced Splash Run Time 50 Load with full tank 40 minutes Sound Level at 22 feet 104 dB Bore x Stroke 70 mm x 45 mm Compression Ratio 8 5 1 Rotation viewed from PTO power takeoff the output shaft Counterclockwise Shaft Shaft 7 8 x 3 16 Keyway 3 16 4 76 mm End Tapped 3 8 24 UNF Spark Plug Type NGK BP 6ES Torch F6TC F7RTC Gap 0 7 0 8 mm Valve Clearanc...

Page 20: ...MOUNTING HOLE DIAGRAM 17 ...

Page 21: ...uretor not primed Pull on Starter Handle to prime Dirty fuel passageways Clean out passageways using fuel additive Heavy deposits may require further cleaning Carburetor needle stuck Fuel can be smelled in the air Gently tap side of carburetor float chamber with screwdriver handle Too much fuel in chamber This can be caused by the carburetor needle sticking Turn Choke to RUN position Remove spark ...

Page 22: ...an diagnose repair ignition system Engine misfires Spark plug cap loose Check wire connections Incorrect spark plug gap or damaged spark plug Re gap or replace spark plug Defective spark plug cap Replace spark plug cap Old or low quality gasoline Use only fresh 87 octane unleaded gasoline Incorrect compression Diagnose and repair compression Use Engine will not start COMPRESSION RELATED section En...

Page 23: ...rrect spark timing deposit buildup worn engine or other mechanical problems Have qualified technician diagnose and service engine Engine backfire s Impure or low quality gasoline Fill fuel tank with fresh 87 octane unleaded gasoline Engine too cold Use cold weather fuel and oil additives to prevent backfiring Intake valve stuck or overheated engine Have qualified technician diagnose and service en...

Page 24: ...EXPLODED VIEW AND PARTS LIST 21 ...

Page 25: ...PIECE 73 56173 073 CARBURETOR INSULATOR PLATE 24 56173 024 STRAINER 74 56173 074 CARBURETOR GASKET 25 56173 025 SHIELD CRANKCASE REAR 75 56173 075 CARBURETOR INSULATOR GASKET 26 56173 026 BEARING 76 56173 076 CARBURETOR ASSEMBLY 27 56173 027 FUEL TANK LEFT BRACKET 77 56173 077 AIR CLEANER GASKET 28 56173 028 BOLT 78 56173 078 VALVE TUBE 29 56173 029 GOVERNOR ARM 79 56173 079 PRIMING BULB 30 56173 ...

Page 26: ...103 IGNITION COIL 104 56173 104 GOVERNEOR ROD 105 56173 105 THROTTLE VALVE RETURNING SPRING 106 56173 106 THROTTLE CONTROL 107 56173 107 BOLT 108 56173 108 GOVEROR SUPPORT 109 56173 109 GOVERNOR SUPPORT BOLT 110 56173 110 NUT 111 56173 111 GOVERNOR SPRING 112 56173 112 CLIP 23 ...

Page 27: ...NOTES 24 ...

Page 28: ...Customer Service Number 800 232 1195 and you will be informed of the nearest authorized service center We will prearrange the repair with the center WARRANTY COVERAGE This warranty is conveyed to the original purchaser and is not transferable Engines contain parts that will wear out with usage and parts that need maintenance The warranty does not cover wear or maintenance parts Specifically the wa...

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WEN POWER 56173, Owner'S Manual

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