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SKU 96549

for technical questions, please call 1-800-444-3353.

  fire hazard!  

Do not fill gas tank when the Engine is running.  Do not operate if 

gasoline has been spilled.  Clean spilled gasoline before starting the Engine.  Do not 
operate near a pilot light or open flame.

Operate the engine in well-ventilated areas only.  

Carbon Monoxide is produced 

during operation and is deadly in a closed environment.  Early signs of Carbon Monox-
ide poisoning resemble the flu, with headaches, dizziness, or nausea.  If you develop 
these symptoms, there may be inadequate ventilation in the work area or the engine 
may not be working properly.  Get fresh air immediately.

Avoid burns from the engine.  

Certain parts of the Engine become very hot during 

use.  Do not touch the Engine until it cools down.

install this product on a appropriate surface.  

Locate on a flat, level, and solid sur-

face that is capable of supporting the weight of the engine and the machinery that it 
is powering.

do not operate the engine with the safety guards removed.  

While the engine is 

running, do not attempt to reach around the safety guards for maintenance or any other 
reason.

if the engine is installed indoors, exhaust fumes must be piped out of the building 
using leak-free, heat-resistant piping.  

Pipes and silencer should not use any flam-

mable materials, nor should they be installed near the same.  Engine exhaust fumes 
should be within legal limits.

engine fuel and fumes are flammable, and potentially explosive.  do not smoke, 
or allow sparks, flames or other sources of ignition around the engine, fuel tanks, 
or batteries.

  Use proper fuel storage and handling procedures.  Always have multiple 

ABC class fire extinguishers nearby.

never store fuel or other flammable materials near the engine.

keep hands, arms, long hair, loose clothing, and jewelry away from pulleys, belts, 
and other moving parts.  

Be aware that when engine parts are moving fast they can-

not be seen clearly.

the engine can produce high noise levels.  

Prolonged exposure to noise levels 

above 85 dBA is hazardous to hearing.  Always wear ANSI-approved hearing protec-
tion when operating or working around the Engine when it is running.

warning:

 The warnings, cautions, and instructions discussed in this instruction manual can-

not cover all possible conditions and situations that may occur. It must be understood 
by the operator that common sense and caution are factors which cannot be built into 
this product, but must be supplied by the operator.

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Summary of Contents for 96549

Page 1: ...ur website at http www harborfreight com To prevent serious injury read and understand all warnings and instructions before use Copyright 2007 by Harbor Freight Tools All rights reserved No portion of...

Page 2: ...ine Noise 11 Maintenance 12 Scheduled Maintenance 12 Cleaning Air Filter 12 Cleaning and Replacing Spark Plug 12 Changing Oil 13 Cleaning the Deposit Cup 13 Torque Value for Major Engine Bolts 14 Tran...

Page 3: ...0 1 25 mm threads x 3 5 8 Bolt Circle Base Mounting Pattern 3 x 6 3 8 Weight 33 8 lbs Overall Dimensions 12 3 4 L x 14 W x 10 1 4 H Recommended Applications To drive pump sprayer tiller chipper shredd...

Page 4: ...es Maintain this equipment with care Keep the Engine clean for better and safer per formance Follow instructions for lubricating and changing accessories Remove adjusting keys and wrenches Remove keys...

Page 5: ...e is installed indoors exhaust fumes must be piped out of the building using leak free heat resistant piping Pipes and silencer should not use any flam mable materials nor should they be installed nea...

Page 6: ...be installed If installed outdoors a weatherproof housing is recommended Install the Engine load The Engine load must be perfectly aligned with the Engine drive shaft to prevent undue wear on the shaf...

Page 7: ...se a siphon to avoid spilling the oil Carefully screw the plastic Dip Stick back into the metal Engine crankcase to avoid stripping the plastic threads on the Dip Stick Check Air Filter See illustrati...

Page 8: ...ack slightly Turn the Engine Switch 6K to the On position Gently pull the Pull Cord Handle 16K until it engages Then pull it hard and all the way out Slowly guide the Pull Cord back into the starter T...

Page 9: ...Cap clogged 2 Gas Valve plugged up 3 Main jet cloged or misadjusted 4 Needle valve improperly closed or start hole is clogged 5 Floater in fuel tank is damaged or sticking 1 Clean Gas Cap air vent 2...

Page 10: ...ble Cause Possible Remedy Engine pinging 1 Piston ring or cylinder worn 2 Piston pin and pin hole are worn excessively 3 Tie rod small head is worn 4 Main crankshaft roller bearing worn 1 Replace worn...

Page 11: ...Replace damaged parts 7 Re adjust engine speed governor 8 Replace main bearing Abnormal Engine Noise Symptom Probable Cause Possible Remedy Noise of piston banging or other metal on metal 1 Piston pi...

Page 12: ...nk Filter Clean Fuel Line Check Deposit Cup Clean Proper Idle 1700 150 RPM Valve Clearance cold engine Intake Exhaust 0 15 0 02mm 0 20 0 02mm Cleaning Air Filter Using compressed air blow the dust fro...

Page 13: ...low all the oil to drain out into the pan Pour the used oil into a container with a lid Deliver used oil to a recycling center Do not dump oil into the earth or storm drain Dispose of oil properly Rep...

Page 14: ...w Engine oil through the Spark Plug mounting hole into the cylinder Rotate the driveshaft to dis tribute the oil evenly Replace the Spark Plug Wipe up any spilled oil With a gas can and funnel neither...

Page 15: ...arising out of his or her repairs to the original product or replacement parts thereto or arising out of his or her installation of replacement parts thereto Ordering parts When ordering parts from th...

Page 16: ...Seal Oil Crankshaft 1 5A Crankcase 1 6A Sway Bar Regulator 1 7A Washer 2 8A Pin Split 1 9A Nut M10 1 10A Sensor Oil 1 Part Description Qty 11A Bolt M6x14 2 12A Regulating Shaft 1 13A Washer Drive Gear...

Page 17: ...st specify Parts List B CRANKCASE COVER AS SEMBLY and the ITEM No Crank Case Cover Parts List Part Description Qty 1B Oil Plug with Seal 1 2B Oil Plug 1 3B Seal 2 4B Crankcase Cover 1 5B Bearing 6250...

Page 18: ...ITEM No Cylinder Head and Cover Parts List Part Description Qty 1C Bolt M6x12 6 2C Air duct 1 3C Intake Valve Guide 1 4C Lead Wind Cover 1 5C Stud M6x109 2 6C Pin Set 10x16 2 7C Gasket Cylinder Head...

Page 19: ...kshaft Piston and Connecting Rod Parts List Part Description Qty 1D Piston Ring I 1 2D Piston Ring II 1 3D Side Rail 2 4D Expander 1 5D Scraper Ring Set 1 6D Piston Ring Assembly 1 7D Piston Pin Circl...

Page 20: ...the ITEM No Camshaft and Rocker Valve Parts List Part Description Qty 1E Lock Nut 2 2E Sleeve 2 3E Valve Rocker 2 4E Bolt Adjusting Valve Gap 2 5E Valve Rocker Assembly 2 6E Pusher Guide 1 7E Pusher...

Page 21: ...t 1 5F Chamber Bode Mixture 1 6F Nozzle Main 1 7F Jet Main 1 8F Float 1 9F Float Chamber Gasket 1 10F Float Chamber 1 11F Washer 2 12F Float Chamber Drain Screw 1 13F Screw 1 14F Air Cleaner Gasket 1...

Page 22: ...s from this list specify Parts List G FUEL TANK ASSEMBLY and the ITEM No Fuel Tank Parts List Part Description Qty 1G Pipe Clamp 2 2G Pipe Outlet 1 3G Bolt M6x22 1 4G Connector 1 5G Packing Ring 1 6G...

Page 23: ...ts from this list specify Parts List H AIR CLEANER ASSEMBLY and the ITEM No Air Cleaner Parts List Part Description Qty 1H Wing Nut 2 2H Air Cleaner Cover 1 3H Filter Element 1 4H Washer 1 5H Sleeve A...

Page 24: ...3353 Muffler Assembly Diagram Note When ordering parts from this list specify Parts List J MUFFLER ASSEMBLY and the ITEM No Muffler Parts List Part Description Qty 1J Screw M5x8 4 2J Muffler Hood 1 3J...

Page 25: ...st Part Description Qty 1K Bolt M6x22 1 2K Crankcase Side Plate Assy 1 3K Bolt M6x18 3 4K Fan Hood Assy 1 5K Bolt M6x12 5 6K Engine Switch 1 7K Casing 1 8K Spring Spiral 1 9K Spring Ratchet 2 10K Ratc...

Page 26: ...LY and the ITEM No Regulator Control Parts List Part Description Qty 1L Nut M6 1 2L Panel Setting 1 3L Spring Patch 1 4L Hand Grip 1 5L Washer 1 6L Bolt M5x25 1 7L Spring Regulating 1 8L Support Panel...

Page 27: ...all 1 800 444 3353 Flywheel Assembly Diagram Note When ordering parts from this list specify Parts List M FLYWHEEL ASSEMBLY and the ITEM No Flywheel Parts List Part Description Qty 1M Nut M14x1 5 1 2M...

Page 28: ...n Coil Assembly Diagram Note When ordering parts from this list specify Parts List N IGNITION COIL ASSEMBLY and the ITEM No Ignition Coil Parts List Part Description Qty 1N Screw M6x22 2 2N Engine Sto...

Page 29: ...on of incidental or consequential damages so the above limitation of exclusion may not apply to you This warranty is expressly in lieu of all other warranties express or implied including the warranti...

Page 30: ...and responsibilities you should contact the Harbor Freight Tools Customer Service Department at 1 800 444 3353 Harbor Freight Tools Emission Control Defects Warranty Provisions 1 Length of Coverage HF...

Page 31: ...ent system 2 Air Induction System Intake pipe manifold Air cleaner 3 Ignition System Spark plug Magneto ignition system 4 Catalyst System if so equipped Exhaust pipe stud Muffler Catalytic converter i...

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