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Exploded View 

– 789712 Engine Kits

Kit Ref # 

Kit Part # 

Description 

Qty 

791621 

Recoil & Fan Kit 

791622 

Air Filter Kit 

791623 

Vent Hose Kit 

789262 

Fuel Cap Kit 

791624 

Tank Kit 

789693 

Muffler Kit 

791625 

Carburetor Kit 

791626 

Valve Cover Kit 

789696 

Ignition Coil Kit 

10 

791627 

Oil Alert kit 

11 

783126 

Drain Bolt Kit 

12 

791628 

Carbon Canister Kit 

13 

791629 

Governor & Spring Kit 

Summary of Contents for M46850E.1

Page 1: ...ny obligation to install them on units previously sold Quick Facts Engine Oil Engine is shipped without oil Fill before starting Use SAE 10W 30 motor oil Pump Oil Check the pump oil level before starting Use SAE 30W non detergent pump oil part 4043 Air Filter Replacement air filter part number is AB2281000 Maximum Pressure Item 46850 maximum pressure 130 psi Maintenance Schedule Engine Oil change ...

Page 2: ...sels that fail to meet the design requirements of the compressor NEVER drill into weld or otherwise alter the receiver tank or similar vessels NEVER remove adjust bypass change modify or make substitutions for safety relief valves unloader valve or other pressure control related devices NEVER use air tools or attachments without first determining the maximum pressure recommended for that equipment...

Page 3: ... attach hose to this port Thread size is NPT 7 Tank Drain Location of tank drains Drain tank daily or after each use 8 Regulator Adjust outlet pressure not to exceed pressure rating of the tool 9 Quick Connect This is a quick connect 10 Unloader Lift knob to relieve pressure when starting the engine 11 ASME Safety Valve This valve automatically releases air if the tank pressure exceeds the preset ...

Page 4: ...4 Assembly Attach rubber feet as shown Item Description Qty 2215 Rubber Foot 4 82015 5 16 X 3 4 Flange Bolt 4 82019 5 16 Flange Nut 4 ...

Page 5: ...ynthetic lubricants are recommended after 50 hour break in Compressor life is greatly increased with the use of synthetic lubricants CAUTION If you will be using synthetic lubricant all downstream piping material and system components must be compatible Suitable Viton Teflon Epoxy Glass Filled Oil Resistant Alkyd Fluorosilicone Flourocarbon Polysulfide 2 Component Urethane Nylon Delrin Celcon High...

Page 6: ...ves by pulling rings Replace safety relief valves that do not operate freely Inspect air filter element Clean if necessary Monthly Inspect for air leaks Squirt soapy water around joints during compressor operation and watch for bubbles Tighten fittings if necessary Clean exterior 3 months or 500 hours Change petroleum lubricant in pump while crankcase is warm 12 months or 1000 hours Replace air fi...

Page 7: ...c 789712 1 26 Quick Connect 780773 1 8 8 Gallon Twin Tank 780801 1 27 Regulator 780771 1 9 Tire 788813 1 28 1 4 Pipe Tee 780880 1 10 Wheel Retainer 305200 1 29 Hex Plug 777838 1 11 Cotter Pin 30312 2 30 2 1 2 Bottom Mount Gauge 780894 1 12 Axle 780785 1 31 1 4 Street Tee 780433 1 13 Operation Instruction Decal 34783 1 32 Safety Valve 150 psi 35120 1 14 Powerhorse Decal 780307 1 33 Pressure Gauge 3...

Page 8: ...Reducer AB9050283 1 28 Bearing Housing Bolt M6 x 15mm SHCS AB9101094 8 10 Cylinder Cast Iron Sleeve AB2830000 1 29 Connecting Rod AB2810100 2 11 Crankcase Gasket AB3650201 1 30 Circlip AB9140040 4 12 Cover N D E AB2060690 1 31 Wrist Pin AB3021200 2 13 Bearing Cover Gasket AB2050500 2 32 Piston Aluminum AB1421100 2 14 Bearing AB9170030 2 33 Piston Ring ROF AB9020071 1 15 Oil Sight Glass AB9022001 1...

Page 9: ...9 Pneumatic Schematic Diagram Item 46850 IDLE DOWN 779100 PUMP UNLOADER SAFETY RELIEF VALVE 4 GALLON TANK 4 GALLON TANK REGULATOR ...

Page 10: ...ubricant G Belt tension too tight or sheaves not aligned Check tension alignment H Air leaks in discharge piping Check tubing connections Tighten joints or replace as required I Compressor components leaky broken loose Inspect components Clean or replace as required J Loose flywheel or motor pulley excessive end play in motor shaft or loose drive belts Check flywheel motor pulley and crankshaft dr...

Page 11: ...11 Exploded View 789712 Engine ...

Page 12: ...N A PIN DOWEL 2 45 N A BOLT 6 46 N A GASKET CYLINDER HEAD 1 47 N A BOLT 4 48 783127 SPARK PULG 1 49 N A ROD PUSH 2 50 N A SHROUD 1 51 Kit 1 Kit 8 Kit 10 BOLT 13 Ref Part Description Qty 52 Kit 8 PACKING HEADCOVER 1 53 COVER COMP CYLINDER HEAD 1 54 N A WIND SHIEL COMP 1 55 N A BOLT 1 56 N A FLYWHEEL ASSEMBLY 1 57 Kit 1 FAN RECOIL STARTER 1 58 PULLEY STARTER 1 59 NUT 1 60 Kit 9 IGNITION COIL ASSY 1 ...

Page 13: ...ir Filter Kit 1 3 791623 Vent Hose Kit 1 4 789262 Fuel Cap Kit 1 5 791624 Tank Kit 1 6 789693 Muffler Kit 1 7 791625 Carburetor Kit 1 8 791626 Valve Cover Kit 1 9 789696 Ignition Coil Kit 1 10 791627 Oil Alert kit 1 11 783126 Drain Bolt Kit 2 12 791628 Carbon Canister Kit 1 13 791629 Governor Spring Kit 1 ...

Page 14: ...14 Engine Manual Safety CAUTION This engine is shipped without oil If you start the engine without oil the engine will be damaged beyond repair and will not be covered under warranty ...

Page 15: ...t proper instructions 4 Gasoline is extremely flammable and is explosive under certain conditions 5 Refuel in a well ventilated area with the engine stopped Do not smoke or allow flames or sparks in the refueling area or where gasoline is stored 6 Do not overfill the fuel tank After refueling make sure the tank cap is closed properly and securely 7 Be careful not to spill fuel when refueling Fuel ...

Page 16: ...16 Parts Descriptions a a a a a a a a a a a Not Applicable Not Applicable Not Applicable Not Applicable ...

Page 17: ...f explosive gas keep sparks flames and cigarettes away Charge or use it in an area with good ventilation The battery contains sulfuric acid electrolyte Contact with skin or eyes may cause severe burns Wear protective clothing and face shield If electrolyte gets on your skin flush with water If electrolyte gets in your eyes flush with water for at least 15 minutes and call a physician immediately E...

Page 18: ...e recommended oil 5 Reinstall the dipstick 2 3 2 Air Cleaner Dismantle the air cleaner housing and check its filter element make sure it is clean and intact otherwise clean or replace the filter CAUTION Engine oil is a major factor affecting engine performance and service life Non detergent oils and vegetable oils are NOT recommended Be sure to check the engine oil level on a level surface with th...

Page 19: ...oes not also contain cosolvents and corrosion inhibitors for methanol Never use gasoline containing more than 5 methanol even if it has cosolvents and corrosion inhibitors If spark knock or pinging occurs at a steady engine speed under normal load change brands of gasoline If spark knock or pinging persists consult an authorized Powerhorse dealer If this continues it could result in engine damage ...

Page 20: ...il you feel it catch then pull briskly With Electric Start a Turn the engine switch to the START position and hold it until the engine starts b Once engine starts release the engine switch to On CAUTION Releasing the handle suddenly and allowing the starter grip to hit the engine may cause damage to the starter Return it gently to prevent damage CAUTION Do not use the electric starter for more tha...

Page 21: ...this if no carburetor modifications are made Exhaust Control System While the engine is running carbon monoxide oxide of nitrogen and hydrocarbon will produce and in certain conditions oxide of nitrogen and hydrocarbon will react with each other chemically and create a toxic carbon monoxide 1 Maintenance Maintain the engine periodically in accordance with the maintenance schedule The maintenance s...

Page 22: ...onth of 20 Hrs Each Season or 50 Hrs Every 6 Months or 100 Hrs Each Year or 300 Hrs Engine Oil Oil level check Replace Air Cleaner Check Clean Replace Sediment Cup Clean Spark Plug Clean Adjust Replace Spark Eliminator Clean Idling Check Adjust Valve Clearance Check Adjust Fuel Tank Fuel Filter Clean Fuel Supply Line Check Every two years do a replacement if necessary Only for inside ventilated do...

Page 23: ...buretor To keep the carburetor in good working condition service the air filter periodically If operating engine in a dusty environment it should be cleaned frequently 1 Remove the wing nut and the air cleaner cover Remove the element and separate them Carefully check element for holes or tears and replace if damaged 2 Clean element with household detergents and warm water rinse thoroughly Allow e...

Page 24: ...e properly gapped and free of deposits 1 Remove the spark plug cap and use a spark plug wrench to remove the plug WARNING Gasoline is extremely flammable and is explosive under certain conditions Do not smoke or allow flames or sparks in the area If any fuel is spilled make sure the area is dry before testing the spark plug or starting the engine Fuel vapor or spilled fuel may ignite CAUTION Never...

Page 25: ...one 5 After the spark plug is seated tighten with a spark plug wrench to compress the washer NOTE When installing a new spark plug tighten turn after the spark plug seats to compress the washer When reinstalling a used spark plug tighten 1 8 1 4 turn after the spark plug seats to compress the washer Idling Adjustment 1 Start the engine and allow it to warm up to normal operating temperature 2 With...

Page 26: ... drain screw Drain the gasoline into a suitable container 3 Change the engine oil 4 Remove the spark plug and pour about a tablespoon of clean engine oil into the cylinder Crank the engine several revolutions to distribute the oil then reinstall the spark plug 5 Pull the starter rope slowly until resistance is felt Continue pulling until the notch on the starter pully aligns with the hole on the r...

Page 27: ...pecifications Powerhorse 208cc Engine Type 4 Stroke OHV Single Cyl Forced Air Cooled Bore x Stroke mm 70 x 54 Rated Power kW rpm 4 2 3600 Max Torque 13 2 Displacement ml 208 Starting Type Recoil Ignition Type Induction Ignition Lubricating Type Splashing Dry Weight 35 3 lbs Dimension L x W x H 16 54 x 14 96 x 15 75 Tune up Specifications Model 208cc Spark Plug Gap 0 7 0 8mm 0 028 0 03in Spark Plug...

Page 28: ...plug in cap turn engine switch to ON position Ground the side electrode to any engine ground and pull the recoil starter to see if sparks jump across the gap If nto spark replace plug If OK reinstall spark plug and try to start engine again Engine will not start using electric starter 1 Are the battery cables securely connected and free of corrosion 2 Is the battery fully charged 1 See Battery Con...

Page 29: ...r installation or operations will void warranty Determining whether a part is to be replaced or repaired is the sole decision of Powerhorse Powerhorse will not provide for replacement of complete products due 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 Transpo...

Page 30: ...30 Manufactured by Northern Tool Equipment Co 2800 SouthCross Drive West P O Box 1499 Burnsville MN 55337 0499 ...

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