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Owner's Manual
M750123B.1
Instructions for Assembling, Testing, Operating, Servicing, and Storing
Water Pump: Outdoor agricultural product used for general
purpose water pumping, field irrigation, and trash applications.
READ and UNDERSTAND this manual completely before using the water pump! Failure to properly set
up, operate, and maintain this water pump could result in serious injury or death from carbon monoxide
poisoning, electric shock, fire/explosion, or burns. In particular, be aware of the following hazards:
Water pumps give off carbon monoxide, a poisonous gas that can kill you. You CANNOT smell it, see it, or taste it.
• ONLY run water pump OUTDOORS and at least 20 feet from the home, away from windows, vents and air intakes, to
allow proper ventilation. If you start to feel sick, dizzy, or weak while using the water pump, shut off the engine and get
to fresh air RIGHT AWAY. NEVER run water pump inside any enclosed or semi-enclosed spaces, including homes,
basements, garages, sheds, boxes, RVs, boats or pick-up truck beds. These spaces can trap poisonous gases, EVEN if
you run a fan or open windows.
• Install carbon monoxide alarms inside nearby structures/buildings (battery-operated, or plug-in with battery backup).
• DO NOT overload water pump (per rated capacity), and OPERATE ONLY in an area with adequate cooling ventilation
so engine does not overheat. Exhaust can be extremely hot. Keep muffler at least 7 feet from all combustible objects.
• All fuels are flammable. Never fuel a running or hot engine. Never pump fuel directly into water pump at gas station –
use approved container to transfer fuel. Ensure there are no fuel leaks, and keep sources of sparks and flames away.
•
ALWAYS keep a fire extinguisher rated "ABC" nearby.
•
NEVER pump flammable liquids.
INSPECT COMPONENTS: Closely inspect to make sure no components are missing or damaged. See the "Unpacking
& Delivery Inspection" section for instructions on whom to contact to report missing or damaged parts.
ADD ENGINE OIL: Engine is shipped without oil. See engine section of this manual for instructions on capacity and
viscosity recommendations.
Any Questions, Comments, Problems, or Parts Orders
Call Powerhorse Product Support 1-866-443-2576
ITEM NUMBER:
SERIAL NUMBER: _______________
WARNING
CO Poisoning
Fire / Explosion
STOP!
750123
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Summary of Contents for Powerhorse M750123B.1
- Page 1 & Delivery Inspection” section for instructions on whom to contact to report missing or damaged parts. ADD ENGINE OIL: Engine is shipped without oil. See engine section of this manual for instructions on capacity and viscosity recommendations. Any Questions, Comments, Problems, or Parts Orders Call Powerhorse Product Support 1-866-443-2576...
- Page 2 Hazard Signal Word Definitions...
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Page 3: Table Of Contents
Table of Contents About Your Water Pump ......................4 Summary of Important Safety Information ................5 During Assembly During Operation During Storage / Troubleshooting Warning Label Locations ......................6 Unpacking ..............................Assembly .................................. Machine Components ........................10 Operation Operation - Preparing the Water Pump for Each Use Step One: Inspect/Repair ........................ -
Page 4: About Your Water Pump
Follow all safety precautions presented throughout this manual. A summary of important safety information can be found at the end of the manual Contact Powerhorse Product Support at 1-866-443-2576 for any questions about the appropriate use of this water pump and/or optional accessories. -
Page 5: Summary Of Important Safety Information
Summary of Important Safety Information WARNING Read and understand this owner’s manual completely before using the water pump. Improper use of the water pump could result in serious injury or illness for the operator or nearby persons/animals, or cause damage to the environment. LISTED BELOW is a summary of safety information of particular importance. -
Page 6: Warning Label Locations
795123 Fuel Overfill Decal 793048 Air Filter Decal EPA Decal 795119 Choke / Run Decal 795124 Ethanol Decal 795297 Name Plate 795349 On/Off Fuel Shut Off Decal 795289 Powerhorse Recoil Decal 795333 Powerhorse Decal 795334 Semi-Trash Pump Decal 795294 Throttle... - Page 7 Warning Label Location...
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Page 8: Unpacking
Unpacking Closely inspect all contents in the shipping carton. Note that some parts are shipped inside the manual bag. • If you are missing or have damaged components: Contact Product Support at 1-866-443-2576. The following items are found in the manual bag. Funnel (1) Nut (2) Spark Plug... -
Page 9: Assembly
Assembly Attach Hoses to discharge fitting and suction fitting. Connect hoses (not supplied) to the discharge and suction hose barbs. Hose Barb Rubber Gasket Discharge Hose Barb Discharge Fitting Suction Hose Barb Suction Fitting... -
Page 10: Machine Components
Machine Components Prime Port: Fill the priming port to prime the pump. Discharge Fitting: Connect the discharge hose to the discharge fitting. Pump: The pump moves the liquid. Suction Fitting: Connect the suction hose to the suction fitting. Drain Port: Drain the liquid in the pump through the drain port. Engine: The air-cooled engine powers the pump. -
Page 11: Operation - Preparing The Water Pump For Each Use
Inspect and test the water pump thoroughly. a. Inspect fittings for cracks and leaks. Replace all damaged fittings with original Powerhorse parts. b. Check to be sure all nuts, bolts, and screws are tight. c. Check oil level in engine. See engine section of this manual. -
Page 12: Step Two: Select A Suitable Site
Operation – Preparing the Water Pump for Each Use Step Two: Select a Suitable Site WARNING Choose a suitable site for operating your water pump to avoid equipment damage and/or injury and possible death from carbon monoxide poisoning, electric shock, or fire. Choose a site that meets all of the criteria specified. - Page 13 Operation – Preparing the Water Pump for Each Use 2. Outdoors only d. Place the water pump so that the muffler exhaust fumes will not be directed towards people or building air intakes. e. Ensure that working, battery-operated or battery back-up carbon monoxide alarms are used in any dwelling/structure that is in close proximity to the running water pump.
- Page 14 Operation – Preparing the Water Pump for Each Use 5. Hearing protection The water pump can produce noise levels in excess of up to 95 dB in close proximity, which can be dangerous to human hearing with prolonged exposure. WARNING: Never attempt to attach ductwork to the muffler system to lower noise levels.
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Page 15: Step Three: Fueling
Operation – Preparing the Water Pump for Each Use Step Three: Fueling WARNING Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. Use extreme care when handling gasoline. 1. Engine off / cool The engine must be off and allowed to cool at least two minutes before adding fuel. - Page 16 Operation – Preparing the Water Pump for Each Use Static electricity and filling the gasoline tank: Static electricity can initiate from ungrounded gasoline tanks or containers, from flowing gasoline, and from persons carrying a static electric charge Static electricity can explosively ignite gasoline vapors that are present during the fueling process, resulting in serious burns to nearby persons.
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Page 17: Step Four: Attach A Suction Strainer
Operation – Preparing the Water Pump for Each Use Step Four: Attach a suction strainer WARNING This pump is design to pump water only. Never use the water pump to pump flammable liquids. 1. Attach suction A suction strainer should be attached to the suction hose. A suction strainer has strainer holes or slots small enough to prevent large debris from working through and damaging the pump. -
Page 18: Operation - Using The Water Pump
Operation – Using the Water Pump Operate the water pump Review the “Operation – Important Safety Information” provided in this manual. 1. Review safety information 2. Priming Using the priming port on the top of the pump, completely fill the pump chamber with water before starting the engine. - Page 19 Operation – Using the Water Pump 4. Start engine To start the engine: 1) Turn the gasoline line valve to the ON position. 2) For cold engine, move choke lever to full choke position. To restart a warm engine, move choke lever to half choke or to RUN position. 3) Start the engine: a) Using recoil start –...
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Page 20: Storage
Storage Prepare the water pump for end-of-season storage by running pure water through the system. This will flush out any contaminants and clean the water pump internals. After the water pump has been flushed with pure water, completely drain the water pump of all water to protect from freezing. WARNING Gasoline vapors can ignite and cause a fire. -
Page 21: Troubleshooting
Troubleshooting WARNING Before troubleshooting or attempting to service, read the following safety rules. Before attempting to service the water pump: 1. Review Review the Troubleshooting Table below for the type of problem you are troubleshooting experiencing. However, DO NOT attempt to repair until the steps listed below are table followed. -
Page 22: Specifications
The manufacturer reserves the right to make improvements in design and/or changes in specifications at any time without incurring any obligation to install them on units previously sold. Any Questions, Comments, Problems or Parts Orders Call Powerhorse Product Support 1-866-443-2576... -
Page 23: Water Pump Exploded View
750123 Exploded View – Rev B.1... -
Page 24: 750123 Pump Exploded View
750123 Exploded View – Rev B.1 Ref# Part # Description Ref# Part # Description 795443 FRAME FUEL TANK 795490 RUBBER FOOT TANK VENT FITTING 795485 NUT M8 TANK VENT GROMMET 795433 SWITCH ASSEMBLY 795428 SHAFT KEY 795427 WIRE ASSEMBLY 795487 HOSE CLAMP 795438 WATER PUMP ASSY... -
Page 25: Engine Exploded View
795787 Engine Exploded View... - Page 26 795787 Engine Exploded View Ref# Part # Description Qty. Ref# Part # Description Qty. Crankshaft Kit #11 Packing, case cover Ball bearing Camshaft assembly Kit #11 Kit #11 Oil seal Pin, dowel Governor assembly Kit #11 Bolt, M8X30 Shaft, governor arm Cylinder head gasket Kit #2 Washer, gov.
- Page 27 795787 Engine Kit Exploded Views Kit #2 Kit #1 Kit #4 Kit #5 Kit #3 Kit #8 Kit #9 Kit #6 Kit #7 Kit #10 Kit #11 Kit Ref # Kit Part # Description Qty. 795593 Valve cover kit 795594 Governor and spring kit 795607 Recoil kit...
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Page 28: Engine Operation/Specs
Engine Operation WARNING BEFORE operating the engine, be sure to read this section of the manual, otherwise injury to personnel or damage to equipment may occur. Engine starting components Fuel Valve When the fuel valve is in the ON position, fuel is allowed to flow from the fuel tank to the carburetor. -
Page 29: Engine Maintenance
Engine Operation Maintenance First Every 3 Every 6 Every schedule REGULAR Before month months months year or SERVICE PERIOD each use or 20 or 50 or 100 300 Hrs. Hrs. Hrs. Hrs. Check ○ Engine oil level ○ ○ Change ○... - Page 30 Engine Operation Oil draining, and WARNING: Burn hazard checking oil level Never open oil port while engine is running. Hot oil can spray over face and body. 1. Operate the water pump for 3 to 5 minutes to thin oil for easier draining. 2.
- Page 31 Engine Operation Clean air filter WARNING Never run the water pump without the air filter. Rapid engine wear will result. 1. Unsnap or unscrew the air cleaner cover clips, remove the air cleaner cover, and remove the element. 2. Wash the air cleaner element in a solution of household detergent and warm water, then rinse thoroughly, or wash in nonflammable or high flashpoint solvent.
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Page 32: Engine Storage
/ fuel mixture at altitude. To order a high altitude kit or if you have additional questions, go to www.northerntool.com or contact us at 1-866-443- 2576 – Powerhorse. Please note, engines with the high-altitude kit installed operated at lower altitudes could cause severe engine damage and affect emissions compliance. -
Page 33: Limited Warranty
The Powerhorse Product you just purchased is built with the finest material and craftsmanship. Use this product properly and enjoy the benefits from its high performance. By purchasing a Powerhorse product, you show a desire for quality and durability. Like all mechanical equipment this unit requires a due amount of care. Treat this unit like the high quality piece of machinery it is. -
Page 34: California Proposition 65 Information
WARNING: This product can expose you to chemicals including gasoline engine exhaust, which is known to the State of California to cause cancer, and carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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