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Operation, Repair, and Parts Manual
PowerPro Model Number 160, 200, 270 and 390
HY160 (5.5 hp) -
HY200 (6.5 hp) -
HY270 (9.0 hp) -
HY390 (13.0 hp) -
Note: Unit is not shipped with oil. Please add oil to engine prior to operating.
PowerPro Gasoline Engines
2541-0043 (3/4" keyed shaft)
2541-0044 (5/8" threaded shaft)
2541-0045 (3/4" keyed shaft)
2541-0046 (5/8" threaded shaft)
2541-0047 (1" keyed shaft)
2541-0048 (1" keyed shaft)
2541-0049 (1" keyed shaft w/electric start)
2541-0050 (1" threaded shaft)
2541-0051 (1" threaded shaft w/electric start)
Form L-1512
(9-07)
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Summary of Contents for Hypro L-1512
- Page 1 PowerPro Gasoline Engines Form L-1512 (9-07) Operation, Repair, and Parts Manual PowerPro Model Number 160, 200, 270 and 390 HY160 (5.5 hp) - 2541-0043 (3/4” keyed shaft) 2541-0044 (5/8” threaded shaft) HY200 (6.5 hp) - 2541-0045 (3/4” keyed shaft) 2541-0046 (5/8” threaded shaft) HY270 (9.0 hp) -...
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Page 2: Table Of Contents
Table of Contents ENGINE SAFETY..............3 COMPONENTS &... -
Page 3: Engine Safety
Engine Safety Information IMPORTANT SAFETY INFORMATION Hot Exhaust • The muffler becomes very hot during operation Most accidents with engines can be prevented if and remains hot for a while after stopping the you follow all instructions in this manual and on the engine. -
Page 4: Components & Control Locations
Components & Control Locations... -
Page 5: Controls
Controls Fuel Valve Lever Choke Lever The fuel valve opens and closes the passage The choke lever opens and closes the choke valve between the fuel tank and the carburetor. The fuel in the carburetor. The CLOSE position enriches the valve lever must be in the ON position for the fuel mixture for starting a cold engine. -
Page 6: Check Before Operation
Check Before Operation IS YOUR ENGINE READY TO GO? Check the Engine For your safety, and to maximize the service life of • Check the engine oil level. Running the engine your equipment, it is very important to take a few with a low oil level can cause engine damage. -
Page 7: Operation
Operation SAFE OPERATING PRECAUTIONS 3. Move the throttle lever away from the SLOW position, about 1/3 of the way toward the FAST Before operating the engine for the first time, position. please review the IMPORTANT SAFETY Some engine applications use a remotely-mounted INFORMATION and the section titled BEFORE throttle control rather than the engine-mounted OPERATION. - Page 8 Operation SETTING ENGINE SPEED STOPPING THE ENGINE Position the throttle lever for the desired engine To stop the engine in an emergency, simply turn the speed. Some engine applications use a remotely- engine switch to the OFF position. Under normal mounted throttle control rather than the engine- conditions, use the following procedure.
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Page 9: Maintenance
Maintenance THE IMPORTANCE OF MAINTENANCE MAINTENANCE SAFETY Good maintenance is essential for safe, economi- Some of the most important safety precautions are cal, and trouble-free operation. It will also help as follows. (Note: We cannot warn you of every reduce air pollution. conceivable hazard that can arise in performing maintenance. - Page 10 Maintenance MAINTENANCE SCHEDULE REGULAR SERVICE PERIOD First Every Every Every Performed at every indicated month or Each month 3 months 6 months year operating hour interval, whichever comes first. Item 20 hours 50 hours 100 hours 300 hours • Engine oil Check level °...
- Page 11 Running the engine with persistent spark knock ENGINE OIL CAPACITIES: or pinging is considered misuse, and Hypro’s Limited Warranty does not cover parts dam- Part Number Oil Capacity aged by misuse.
- Page 12 Operating the engine without an air filter, or with a damaged air filter, will allow dirt to enter the engine, causing rapid engine wear. This type of damage is not covered by Hypro’s Limited Warranty. The SAE oil viscosity and service classification are in the API label on the oil container.
- Page 13 Maintenance Dual-Filter Element Types Oil-Bath Type 1. Remove the wing nut 1. Remove the wing nut, and remove the air clean- from the air cleaner er cap and cover. cover, and remove the air 2. Remove the air filter from the cover, wash the cleaner cover.
- Page 14 Maintenance SEDIMENT CUP CLEANING 3. Inspect the spark plug. Replace it if the elec- trodes are worn, or if the insulator is cracked or 1. Move the fuel valve to the OFF position, and chipped. then remove the fuel sediment cup and O-ring. 4.
- Page 15 Maintenance SPARK ARRESTER SERVICE (optional equipment) Your engine is not factory-equipped with a spark arrester. In some areas, it is illegal to operate an engine without a spark arrester. Check local laws and regulations. A spark arrester is available from authorized servicing dealers.
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Page 16: Storage/Transportation
Tighten them securely. Hypro’s Limited Warranty does not cover fuel system damage or engine performance prob- lems resulting from neglected storage prepara- tion. - Page 17 Storage/Transportation Storage Precautions Removal from Storage 1. Change the engine oil. Check your engine as described in the section CHECK BEFORE OPERATION. 2. Remove the spark plugs. If the fuel was drained during storage preparation, 3. Pour a tablespoon (5-10 cc) of clean engine oil fill the tank with fresh gasoline.
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Page 18: Troubleshooting
Troubleshooting ENGINE WILL NOT START Possible Cause Correction 1. Electric starting: Battery discharged. Recharge battery. check battery. 2. Check control positions. Fuel valve OFF. Move lever to ON. Choke OPEN. Move lever to CLOSE unless engine is warm. Engine switch OFF. Turn engine switch to ON. -
Page 19: Technical & Consumer Information
Technical & Consumer Information TECHNICAL INFORMATION 2. Connect the battery negative (-) cable to an engine mounting bolt, frame bolt, or other good Serial Number Location engine ground connection. 3. Connect the battery positive (+) cable to the battery positive (+) terminal. 4. - Page 20 Technical & Consumer Information Models: 2541-0047 thru 2541-0051 When the carburetor has been modified for high altitude operation, the air-fuel mixture will be too lean for low altitude use. Operation at alti- tudes below 5,000 feet (1,500 meters) with a modified carburetor may cause the engine to overheat and result in serious engine damage.
- Page 21 Among those acts that constitute tampering are: CONSUMER INFORMATION • Removal or alteration of any part of the intake, For technical assistance, contact the Hypro fuel or exhaust systems. Technical/Application Department by phone at • Altering or defeating the governor linkage or...
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Page 22: Specifications
Specifications... -
Page 23: Engine Replacement Parts
Engine Replacement Parts... -
Page 24: Wiring Diagrams
Wiring Diagrams... - Page 25 Wiring Diagrams Engine Type with Oil Alert and without Electric Starting...
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Page 26: Optional Parts - Battery
Optional Parts BATTERY Use a battery rated at 12V, 18Ah or more. Do not reverse polarity. Serious damage to the engine and/or battery may occur. A battery can explode if you do not follow the correct procedure, seriously injuring anyone nearby. - Page 27 Notes...
- Page 28 LIMITED TO ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Hypro’s obligation under this warranty is, at Hypro’s option, to either repair or replace free of charge, any part, or parts of the engine upon return of the entire product to the Hypro factory in accordance with the return procedures set forth below. THIS IS THE EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY.
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