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6.5 HP GAS ENGINE
HORIZONTAL - OHV
Set up, Operating, and Servicing
Diagrams within this manual may not be drawn proportionally.
Due to continuing improvements, actual product may differ slightly from the product described herein.
distributed exclusively by Harbor Freight tools
visit our website at: http://www.harborfreight.com
read this material before using this product.
Failure to do so can result in serious injury.
Save tHiS ManuaL.
©
Copyright
2008 by Harbor Freight Tools
manual or any artwork contained herein may be reproduced in any shape or form
without the express written consent of Harbor Freight Tools.
For technical questions or replacement parts, please call 1-800-444-3353.
Model
inStructiOnS
3491 Mission Oaks Blvd., Camarillo, CA 93011
66015
using an engine indoors can KiLL YOu in
MinuteS.
engine exhaust contains carbon monoxide.
this is a poison you cannot see or smell.
never use inside
a home or garage,
even iF doors and
windows are open.
®
. All rights reserved. No portion of this
Only use OutSide
and far away from
windows, doors, and
vents.
®
.
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Summary of Contents for Greyhound 66015
- Page 1 6.5 HP GAS ENGINE HORIZONTAL - OHV Model 66015 Set up, Operating, and Servicing inStructiOnS using an engine indoors can KiLL YOu in MinuteS. engine exhaust contains carbon monoxide. this is a poison you cannot see or smell. never use inside...
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Page 2: Table Of Contents
Muffler ........................ 24 Recoil Starter ..................... 25 Regulator Control ....................26 Flywheel ......................27 Ignition Coil ......................28 Wiring Diagram ....................29 wArrAnty ....................29 Emission Control System Warranty ..............30 SKU 66015 for technical questions, please call 1-800-444-3353. Page 2... -
Page 3: Specifications
Observe work area conditions. Do not use the Engine in damp or wet locations. Do not expose to rain. Keep work area well lit. Do not use powered tools in the presence of flammable gases or liquids. SKU 66015 for technical questions, please call 1-800-444-3353. Page 3... - Page 4 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. SKU 66015 for technical questions, please call 1-800-444-3353. Page 4...
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Page 5: Unpacking
When unpacking, check to make sure all parts are included. If any parts are missing or broken, please call Harbor Freight Tools at the number on the cover of this manual as soon as possible. SKU 66015 for technical questions, please call 1-800-444-3353. Page 5... -
Page 6: Mounting
Oil plug (1b) Oil plug (2b) (8b) drain plug filter cup (7g) drain plug engine switch (6k) level throttle (18f) choke (15f) gas Valve starter pull handle cord (16k) SKU 66015 for technical questions, please call 1-800-444-3353. Page 6... -
Page 7: Pre-Operation Checks
Do not fill Gas Tank when the Engine is running, or near a pilot light or open flame. Do not smoke. Do not operate if gasoline has been spilled. Clean spilled gasoline before starting the engine. SKU 66015 for technical questions, please call 1-800-444-3353. Page 7... - Page 8 Push the Throttle Lever to the fast position (left). stopping the engine Push the Throttle Lever to the slow (right) position. Turn the Engine Switch to the Off position. Push the Gas Valve to the closed (left) position. SKU 66015 for technical questions, please call 1-800-444-3353. Page 8...
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Page 9: Troubleshooting
4. Tighten with a gasket gasket 5. Check cylinder gasket and 5. Air leakage between cylinder bolts block and cylinder 6. Check valve clearance and 6. Air leakage in valve thickness, repair if required SKU 66015 for technical questions, please call 1-800-444-3353. Page 9... -
Page 10: Low Engine Power
7. Low oil auto-shutdown. 6. Check and repair spark plug 8. Ignition coil damaged. wire. 9. Cylinder or valve damaged. 7. Fill with oil. 8. Repair or replace. 9. Disassemble, check, and repair. SKU 66015 for technical questions, please call 1-800-444-3353. Page 10... -
Page 11: Engine Excessively Hot
7. Using wrong gasoline. Excessively Hot Engine. 8. Engine running too hot. 9. Readjust valve clearance. 9. Incorrect valve clearance. 10. Retighten flywheel. 10. Flywheel not tightly connected to crankshaft. SKU 66015 for technical questions, please call 1-800-444-3353. Page 11... -
Page 12: Maintenance
Clean Spark Plug with a steel brush. If the insulator is damaged, replace Spark Plug. caution: Using other than the recommended Spark Plug replacement type can damage the Engine (see Specifications on page 2). SKU 66015 for technical questions, please call 1-800-444-3353. Page 12... -
Page 13: Changing Oil
Reinstall the Deposit Cup. Push the Gas Valve to the open (right) position and check for gas leaks from the Deposit Cup. Reinstall the Deposit Cup and tighten hardware. SKU 66015 for technical questions, please call 1-800-444-3353. Page 13... -
Page 14: Torque Value For Major Engine Bolts
See illustration above, right. This ensures that the inlet and outlet valves are closed, preventing a buildup of moisture and rust within the engine. Cover the Engine with a waterproof cover. SKU 66015 for technical questions, please call 1-800-444-3353. Page 14... -
Page 15: Ordering Parts
If product has no serial number, record month and year of purchase instead. note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts. SKU 66015 for technical questions, please call 1-800-444-3353. Page 15... -
Page 16: Parts Lists And Assembly Diagrams
Sliding Sleeve note: Some parts on this Parts List and the Parts Lists that follow are listed and shown for illustration purposes only and are not available individually as replacement parts. SKU 66015 for technical questions, please call 1-800-444-3353. Page 16... -
Page 17: Crankcase Cover
Oil Plug with Seal Pin, Set Oil Plug Dipstick Seal Dipstick with seal Crankcase Cover Oil Seal, Crankshaft Bearing, 6250 Bolt, M8x32 Gasket, Crankcase SKU 66015 for technical questions, please call 1-800-444-3353. Page 17... -
Page 18: Cylinder Head And Cover
Intake Valve Guide Exhaust Valve Guide Lead Wind Cover Circle Clip Stud, M6x109 Bolt Pin, Set 10x16 Gasket, Cylinder Head Cover Gasket, Cylinder Head Cylinder Head Cover Assembly Cylinder Head Assembly SKU 66015 for technical questions, please call 1-800-444-3353. Page 18... -
Page 19: Crankshaft, Piston, And Connecting Rod
Side Rail Bolt Expander Connecting Rod Assembly Scraper Ring Set Woodruff Key Piston Ring Assembly Drive Gear Piston Pin Circle Clip Crankshaft Piston Timing Drive Gear Piston Pin Crankshaft Assembly SKU 66015 for technical questions, please call 1-800-444-3353. Page 19... -
Page 20: Camshaft And Rocker Valve
Sleeve Camshaft Assembly Valve, Rocker Valve, Exhaust Bolt, Adjusting, Valve Gap Valve, Intake Valve, Rocker, Assembly Spring, Valve Pusher Guide Spring Seat, Intake Valve Pusher Spring Seat, Exhaust Valve Tappet SKU 66015 for technical questions, please call 1-800-444-3353. Page 20... -
Page 21: Carburetor
Float Chamber Gasket Spring, Mixture Adjustment Screw Float Chamber Screw, Mixture Adjustment Washer Choke Unit Float Chamber Drain Screw Float Chamber Screw Carburetor Assembly Air Cleaner Gasket Float Needle Choke SKU 66015 for technical questions, please call 1-800-444-3353. Page 21... -
Page 22: Fuel Tank
Pipe Clamp Pipe, Outlet Bolt, M6x22 Connector Packing Ring Nut, M6 Filter Cup Packing Ring Fuel Filler Cap Fuel Filler Cap with Packing Ring Fuel Tank SKU 66015 for technical questions, please call 1-800-444-3353. Page 22... -
Page 23: Air Cleaner
Air cleaner parts list part description Wing Nut Air Cleaner Cover Filter Element Washer Sleeve A Air Cleaner Housing Screw, M5x12 Air Cleaner Base Gasket Sleeve B Air Cleaner Assembly SKU 66015 for technical questions, please call 1-800-444-3353. Page 23... -
Page 24: Muffler
When ordering parts from this list, specify: parts list j, MUFFLER ASSEMBLY and the ITEM No. Muffler parts list part description Screw, M5x8 Muffler Hood Nut, M8 Muffler Exhaust Muffler Exhaust Gasket SKU 66015 for technical questions, please call 1-800-444-3353. Page 24... -
Page 25: Recoil Starter
Screw, Set Fan Hood Assy. Starter Wheel Bolt, M6x12 Rope, Starter Engine Switch Pull Cord Handle Casing Recoil Starter Spring, Spiral Recoil Starter Assembly Spring, Ratchet Clip, Plastic Ratchet Diode SKU 66015 for technical questions, please call 1-800-444-3353. Page 25... -
Page 26: Regulator Control
Panel, Setting Spring, Back Spring Patch Spring, Fine Regulating Hand Grip Rod, Pull Washer Bolt, Lock Bolt, M5x25 Arm, Regulating Spring, Regulating Nut, M6 Support Panel Assembly Regulating Frame Assembly SKU 66015 for technical questions, please call 1-800-444-3353. Page 26... -
Page 27: 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 Nut, M14x1.5 Starting Flange Flywheel Fan Flywheel SKU 66015 for technical questions, please call 1-800-444-3353. Page 27... -
Page 28: Ignition Coil
When ordering parts from this list, specify: parts list n, IGNITION COIL ASSEMBLY and the ITEM No. ignition coil parts list part description Screw, M6x22 Engine Stop Cable Ignition Coil Spark Plug Cap Ignition Coil Assembly SKU 66015 for technical questions, please call 1-800-444-3353. Page 28... -
Page 29: Wiring Diagram
This warranty gives you specific legal rights and you may also have other rights which vary from state to state. 3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353 SKU 66015 for technical questions, please call 1-800-444-3353. Page 29... -
Page 30: Emission Control System Warranty
The owner is responsible for commissioning a qualified technician/mechanic to perform all required maintenance, as outlined in the Inspection, Cleaning, and Maintenance section in this manual. SKU 66015 for technical questions, please call 1-800-444-3353. Page 30... - Page 31 (if so equipped) Exhaust pipe stud. Muffler. iii) Catalytic converter (if so equipped). Miscellaneous items used in Above systems Vacuum, temperature and time sensitive valves and switches. Hoses, belts, connectors, and assemblies. SKU 66015 for technical questions, please call 1-800-444-3353. Page 31...
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