WEN POWER Power Pro 5.5 HP OHV Owner'S Manual Download Page 1 | Manualshive

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Summary of Contents for Power Pro 5.5 HP OHV

Page 1: ... 888 315 3080 M F 84 CT Thank you for purchasing this engine Keep this owner s manual handy so you can refer to it at any time This owner s manual is considered a permanent part of the engine and should remain with the engine if resold The information and specifications included in the publication were in effect at the time of printing 29 ...

Page 2: ...nd More Notice Regarding Emissions Engines that are certified to comply with U S EPA emission regulations for SORE Small Off Road Equipment are certified to operate on regular unleaded gasoline and may include the following emission control systems EM Engine Modifications and TWC Three Way Catalyst if so equipped ...

Page 3: ...RATION 12 Safe Operating Precautions 12 Starting the Engine 12 STOPPING THE ENGINE 14 MAINTENANCE CARE 15 Refueling 16 Engine Oil Level Check 17 Engine Oil Change 18 Air Filter Maintenance 19 Sediment Cup Cleaning 20 Spark Plug Maintenance 21 STORING YOUR ENGINE 22 Storage Preparation 22 Cleaning 22 Fuel 22 Adding A Fuel Stabilizer to Extend Fuel Storage Life 23 Draining the Fuel Tank Carburetor 2...

Page 4: ...s carbon monoxide may still be present Breathing this poison can lead to headaches dizziness drowsiness and eventually death Use outdoors ONLY in non confined areas Keep several feet of clearance on all sides to allow proper ventilation of the engine _k WARNING The exhaust from this product contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm...

Page 5: ...sonal injury or equipment damage Know how to stop the engine quickly and understand the operation of all controls Never permit anyone to operate the engine without proper instructions Do not allow children to operate the engine Keep children and pets away from the area of operation Other Equipment Review the instructions provided with the equipment powered by this engine for any additional safety ...

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Page 7: ...uel into the engine 3 Choke lever Adjusts the alnount of air let into the engine 4 Spark plug Provides proper engine ignition 5 Muffler Reduces engine noise 6 Throttle Lever Use to control engine speed 7 On Off Switch Used to start stop engine 8 Recoil Starter Handle Pull cord for starting engine 9 Fuel Cap Access to the fuel tank for adding fuel 10 Fuel Tank Stores gas used to run engine 11 Oil F...

Page 8: ...e engine when new from the carton contains no oil in the crankcase You must add the proper amount ofoil before operating the engine for the first time This amount which is equal to the oil capacity of the crankcase is 20 2 fluid oz For general use we recommend SAE 10W 30 oil to fill the engine crankcase To add oil follow these steps 1 Make sure the engine is on a level surface 2 Unscrew the oil fi...

Page 9: ...pand Do not fill the gas tank to the very top 4 Replace fuel cap and wipe up any spilled gasoline with a dry cloth IMPORTANT Never use an oil gasoline mixture Never use old gas Avoid getting dirt or water in the fuel tank Gas can age in the tank and make it hard to start up the engine in the future Never store engine for extended periods of time with fuel in the tank Fuel Valve Lever CONTROLS The ...

Page 10: ...he engine to run Turning the engine switch to the OFF position stops the engine ENGINE SWITCH OFF Figure 5 Engine Switch Choke Lever The 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 ap...

Page 11: ...e to check its condition Be sure to take care of any problem you find or have your service center correct it before you operate the engine Before beginning your preparation checks be sure the engine is level and the engine switch is the OFF position The following section describes steps you must follow to check that your engine is ready for use If after reading this section you discoverproblems or...

Page 12: ...ir filter A dirty air filter will restrict air flow to the carburetor reducing engine performance Check the fuel level Starting with a full tank will help eliminate or reduce operating interruptions for refueling Check the Equipment Powered by This Engine Review the instructions provided with the equipment powered by this engine for any precautions and procedures that should be followed before the...

Page 13: ...applications use a remotely mounted choke control rather than the engine mounted choke lever shown here CHOKE LEVER OPEN CLOS _ Figure 9 Choke Lever Move the throttle lever away from the SLOW position about 1 3 of the way toward the FAST position see figure 10 Some engine applications use a remotely mounted rather than the throttle shown here THROTTLE LEVER SLOW Figure 10 Throttle Lever 13 ...

Page 14: ...enpts please review the troubleshooting section for assistance Figure 12 Pulling Recoil Starter Handle If the choke lever has been moved to the CLOSED position to start the engine gradually move it to the OPEN position as the engine warms up 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 procedure 1...

Page 15: ...engine under unusual conditions such as sustained high load or high temperature operation or use in unusually wet or dusty conditions perform the routine maintenance schedule for oil change air filter sediment cup and spark plug cleaning more frequently If you have questions about any of the maintenance procedures listed in this manual please call 888 315 3080 M F 8 5CT CAUTION Never perform maint...

Page 16: ...re 13 Recommended maintenance schedule Refueling 1 With the engine stopped remove the gas cap and check the gas level Refill the tank if the gas level is low 2 Refuel in a well ventilated area before starting the engine If the engine has been running allow it to cool Refuel carefully to avoid spilling fuel Do not fill above the fuel strainer shoulder After refueling tighten the fuel cap securely N...

Page 17: ... engine speed under normal load change brands of gasoline If spark knock or pinging persists see your servicing center NOTE Running the engine with persistent spark knock or pinging can cause engine damage Running the engine with persistent spark knock or pinging is considered misuse and the Limited Warranty does not cover parts damaged by misuse Engine Oil Level Check Check the engine oil level w...

Page 18: ...ill 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 dipstick and then drain the plug 2 Allow the used oil to drain completely and then reinstall the drain plug and tighten it securely FILLER CAP DIPSTICK Figure 16 Draining Oil Please dispose of used motor oil in a manner that is compatible with the envir...

Page 19: ...rades 20 0 20 40 60 80 100 F L 2 I _ L J J 30 20 i0 0 10 28 30 40 C AMBEENT TEMPERATURE Figure 17 Oil Recommendations Air Filter Maintenance Remove the air cleaner cover and inspect the filter Clean or replace dirty filter elements Always replace damaged filter elements A dirty air filter will restrict air flow to the carburetor reducing engine performance If you operate the engine in very dusty a...

Page 20: ...smoke when started if too much oil is left in the foam 6 Wipe dirt from the inside of the air cleaner base and cover using a moist rag Be careful to prevent dirt from entering the air duct the leads to the carburetor 7 Place the foam air filter element over the paper element and reinstall the assembled air filter Be sure the gasket is in place beneath the air filter Tighten the air filter wing nut...

Page 21: ...s are worn or if the insulator is cracked or chipped 4 Measure the spark plug 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 by carefully bending the side electrode 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 washer If reinstalling th...

Page 22: ...s through the air filter of muffler can enter the cylinder 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 washing Fuel Gasoline will oxidize and deteriorate in storage Old gasoline will cause hard starting and leaves gum deposits that clog the fuel system If the gasoline in your engine deteriorates during storage you ...

Page 23: ...ling be sure that it contains only fresh gasoline 1 Add fuel stabilizer following the manufacturer s instructions 2 After adding a fuel stabilizer run the engine outdoors forl0 minutes to be sure that treated gasoline has replaced the untreated gasoline in the carburetor 3 Stop the engine and move the fuel valve to the OFF position Draining the Fuel Tank Carburetor 1 Place an approved gasoline con...

Page 24: ...sion Unless all fuel has been drained form the fuel tank leave the fuel valve lever in the OFF position to reduce possibility of fuel leakage Position the equipment so the 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...

Page 25: ...ce can be improved by specific modifications to the carburetor If you always operate your engine at altitudes above 5 000 feet 1 500 meters have your servicing center perform this carburetor modification This engine when operated at high altitude with the carburetor modified for high altitudes use will meet each emission standard throughout its useful life Even with carburetor modification engine ...

Page 26: ... ngine Fuel filter clogged sarburetor nalfunction ignition nalfunction valve stuck etc Solution Move lever to ON position Move lever to CLOSED position unless engine is warm Turn engine switch to ON position Add gas Change the gas in the engine Dry and reinstall spark plug Start engine with throttle lever in the FAST position Replace or repair faulty components as necessary Engine Lacks Cause Solu...

Page 27: ...Idle Speed 4 Stroke Overhead Valve Single Cylinder 12 x 14 3 8 x 13 3 16 305mm x 365 mm x 335 mm 30 8 lbs 9 9 cubic in 163 cubic cm 2 7 in x 1 8 in 68 mm x 45 mm 8 5 1 5 5 HP 3600 RPM 6 63 ft lbs a 3000 RPM 20 2 fl oz 0 6 L SAE 10W 30 API SE or SF for general use 0 95 gal 3 6 L Forced air Transistorized Magneto Ignition 2 7 16 x 3 4dia Tapped 5 16 24 U2 TF Counterclockwise from P T O side IN 0 15 ...

Page 28: ... ...

Page 29: ... uffkey 1 Crankshaft assembly 2 Lock nut 2 Sleeve 2 Valve rocker Item 58 59 6O 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 8O 81 82 83 84 85 86 87 88 89 9O 91 92 93 94 95 96 97 98 99 IO0 i01 102 I03 104 I05 106 I07 I08 109 ii0 iii 112 113 Part 14415 14410 14261 14250 14455 14100 14721 14711 14755 14751 14757 14758 12254 16141 16142 17330 16100 17100 GB6177 86 16937 16931 GB5787 86 169...

Page 30: ...NOTES 30 ...

Page 31: ...ranty period as the original product To exercise the warranty DO NOT RETURN TO RETAILER Instead call the toll free Customer Service number 888 315 3080 and you will be instructed on where to take the engine for warranty service Take the engine and proof of purchase your receipt to the repair facility recommended by the Customer Service Representative The warranty does not extend to engines damaged...

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