Powerhorse 750126 Owner'S Manual Download Page 28

Engine Operation 

 

 

 

 

28 

  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 

1.

 

Fuel Valve 

When the fuel valve is in the ON position, fuel is allowed to flow from the fuel 
tank to the carburetor.  Be sure to return the fuel valve to the OFF position after 
stopping the engine. 

 

2.

 

Choke Lever 

The choke is used to provide an 
enriched fuel mixture when 
starting a cold engine.  It can be 
opened and closed by operating 
the choke lever manually.  
Move choke lever to the left 
toward CLOSED to enrich the 
mixture for cold starting.

 

 

 

3.

 

Engine Switch 

Turn the switch ON, and pull 
recoil to START. To stop the 
engine, turn the switch OFF. 

 

4.

 

Recoil  

To start the engine, pull the starter rope lightly until resistance is felt, then pull 
briskly. 
 

5.

 

Throttle Lever  

The throttle lever controls the engine speed. Pump output is controlled by 
adjusting the throttle lever. 

 

 

                     

 
        WARNING:   

Improper maintenance or failure to correct a problem before operation can cause 
a malfunction in which you can be seriously hurt or killed. ALWAYS follow the 
inspection and maintenance recommendations and schedules in this manual.  

Displacement 

212 

Starting Type 

Recoil/Electric Start 

Ignition Type 

Transistorized Magneto Ignition 

Lubricating Type 

Splash 

Model 

212cc 

Spark Plug Gap 

0.7

~

0.8mm (0.028

~

0.03in) 

Spark Plug Torque 

20-30N.m 

Intake Valve Clearance 

0.08

~

0.12mm (0.003

~

0.005in) 

Exhaust Valve Clearance 

0.13

~

0.17mm (0.005

~

0.007in) 

Summary of Contents for 750126

Page 1: ...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 Fire Explosion D...

Page 2: ...Hazard Signal Word Definitions 2...

Page 3: ...reparing the Water Pump for Each Use Step One Inspect Repair 11 Step Two Select a suitable site 12 Step Three Fueling 15 Step Four Attach a suction strainer 17 Step Five Place the water pump 17 Operat...

Page 4: ...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...

Page 5: ...use as directed in this manual DO NOT USE flammable or corrosive chemicals in the water pump FOLLOW INSTRUCTIONS for SAFELY FUELING the engine Gasoline is flammable and can explode Always use caution...

Page 6: ...Decal 1 5 782629 Oil Fill Decal 1 6 795123 Fuel Overfill Decal 1 7 793048 Air Filter Decal 1 8 N A EPA Decal 1 9 795119 Choke Run Decal 1 10 795124 Ethanol Decal 1 11 795299 Name Plate 1 12 795349 On...

Page 7: ...Warning Label Location 7 4 3 5 6 2 1 10 9 12 13 15 7 8 14 11...

Page 8: ...t 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 FIG05940 Nut 2 Ga...

Page 9: ...h Hoses to discharge fitting and suction fitting Connect hoses not supplied to the discharge and suction hose barbs Rubber Gasket Hose Barb Discharge Fitting Nut Suction Fitting Discharge Hose Barb Su...

Page 10: ...scharge Fitting Connect the discharge hose to the discharge fitting 3 Pump The pump moves the liquid 4 Suction Fitting Connect the suction hose to the suction fitting 5 Drain Port Drain the liquid in...

Page 11: ...manufacturer s specifications Replacement parts that do not meet specifications may result in a safety hazard or poor operation of the water pump 1 Ensure water pump casing is empty Ensure the water...

Page 12: ...Outdoors only Follow the directions below for choosing a location to operate your water pump in order to avoid carbon monoxide poisoning a The location you choose to operate the water pump must be OU...

Page 13: ...the directions below a Position so there is adequate clearance around water pump to allow for cooling airflow so that heat does not build up b Never place the water pump immediately adjacent to large...

Page 14: ...5 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 This could cause hot air de...

Page 15: ...g from a UL approved container Important Safety Instructions Use approved container NEVER pump fuel directly into engine at gas station Static charge can build and ignite fuel Use a UL approved fuel c...

Page 16: ...ly accumulate and retain static electric charge as can objects made of conductive material e g metal water if they are not electrically grounded The static electric charge on an object such as a human...

Page 17: ...e proper pump suction All hoses must be kept as straight as possible avoid sharp bends NOTE 23ft is the maximum height of suction head 2 Use flexible hose Use at least 12 of flexible hose to make plum...

Page 18: ...fire Position muffler at least 7 from combustible objects during operation Fire extinguisher Have a Class ABC fire extinguisher available as a precautionary measure when operating the water pump engi...

Page 19: ...20 operating hours and at least every 100 operating hours thereafter as directed in the engine section of this manual WARNING Never open oil port while engine is running Hot oil can spray over face an...

Page 20: ...e in the engine will cause hard starting and leave gum deposits that can clog the fuel system Deterioration problems may occur within a few months or even less if gasoline was not fresh when you fille...

Page 21: ...e and clean Pump fails to prime 1 Priming chamber not full enough Add more water to priming chamber 2 Air leaks on suction line joints Check for loose screws or broken hoses 3 Quick coupling gaskets w...

Page 22: ...ble Solid Size 3 4 Mechanical Seal Silicon Carbide Overall Dimensions L x W x H 21 x 19 1 x 20 25 Dry Weight 84 lbs The manufacturer reserves the right to make improvements in design and or changes in...

Page 23: ...750126 Exploded View Rev B 23...

Page 24: ...ET CHECK VALVE 1 23 795491 BRACKET AIR CLEANER 1 4 11 795380 PUMP BODY 1 24 795435 MUFFLER 1 4 12 795364 HOSE BARB SEAL 2 25 795424 FUEL LINE 1 4 13 795353 HOSE BARB 2 26 795487 FUEL LINE CLIP 1 4 14...

Page 25: ...795787 Engine Exploded View 25...

Page 26: ...y starter 1 18 Kit 11 Cover assem crankcase 1 57 Nut 1 19 795598 Oil plug 1 58 Kit 8 Ignition coil assem 1 20 N A Cylinder head 1 59 Bolt M6X25 2 21 N A Valve In 1 60 Kit 10 Packing intake 1 22 N A Va...

Page 27: ...ng kit 1 3 795607 Recoil kit 1 4 795597 Drain bolt kit 1 5 795606 Throttle kit 1 6 795602 Air cleaner kit 1 7 795599 Oil level kit 1 8 795595 Ignition coil kit 1 9 795596 Recoil starter fan kit 1 10 7...

Page 28: ...Switch Turn the switch ON and pull recoil to START To stop the engine turn the switch OFF 4 Recoil To start the engine pull the starter rope lightly until resistance is felt then pull briskly 5 Thrott...

Page 29: ...head Clean After every 500Hrs 2 Fuel tank and filter Clean Every 2 years Replace if necessary 2 Fuel tube Check Every 2 years Replace if necessary 2 Engine oil recommendations CAUTION Engine damage Th...

Page 30: ...ck Spark plug removal cleaning and replacement Proper spark plug clearance ensures the engine s normal running a Remove the spark plug cap b Remove the spark plug using the supplied spark plug wrench...

Page 31: ...ge the filter and solvents will dissolve the filter Prepare engine for long term storage if needed If you will not be able to exercise the water pump regularly you must prepare the engine for long ter...

Page 32: ...n original fuel and refuel Empty and clean the fuel valve sediment cup Empty and clean the carburetor bowl One year or longer Drain original fuel and refuel Empty and clean the fuel valve sediment cup...

Page 33: ...ue to defective parts Any costs incurred due to replacement or repair of items outside of a Powerhorse approved facility is the responsibility of the buyer and not covered under warranty Transportatio...

Page 34: ...34 Distributed by Northern Tool Equipment Company Inc Burnsville Minnesota 55306 www northerntool com Made in China...

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