Table of Contents
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GAS ENGINE - 6.5 HP
AsseMbly And OperAtiOn instructiOns
Due to continuing improvements, actual product may differ slightly from the product described herein.
Visit our 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
©
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
3491 Mission Oaks Blvd., Camarillo, CA 93011
96549
. All rights reserved. No portion of this manual
®
®
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Table of Contents
Related Manuals for Central Machinery 96549
Summary of Contents for Central Machinery 96549
- Page 1 Copyright 2007 by Harbor Freight Tools © 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 96549 .
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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 96549 for technical questions, please call 1-800-444-3353. contents Page 2... -
Page 3: Specifications
When using this Engine, basic safety precautions should always be followed to reduce the risk of personal injury and damage to equipment. read all instructions before using this tool! keep work area clean. Dark and cluttered areas invite injuries. SKU 96549 for technical questions, please call 1-800-444-3353. specificAtiOns save this Manual... - Page 4 Caution is necessary when near coil, spark plug cables, or distributor of running engine. Engine should be off during distributor adjustment. SKU 96549 for technical questions, please call 1-800-444-3353. Page 4...
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Page 5: Unpacking
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. SKU 96549 for technical questions, please call 1-800-444-3353. Page 5... -
Page 6: Mounting
A qualified technician should perform this operation. fuel tank cap (11g) drive shaft dip stick (8b) engine switch (6k) SKU 96549 for technical questions, please call 1-800-444-3353. MOunting OperAtiOn controls and indicators Muffler (4j) -
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 96549 for technical questions, please call 1-800-444-3353. pre-Operation checks... - Page 8 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 96549 for technical questions, please call 1-800-444-3353. , then move Page 8...
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Page 9: Troubleshooting
–Cylinder Compression OK –Gas supply OK –Ignition coil spark OK Engine difficult to start –Gas supply OK –Ignition system OK SKU 96549 for technical questions, please call 1-800-444-3353. trOubleshOOting probable cause engine difficult to start probable cause Fuel supply blocked: 1. -
Page 10: Low Engine Power
Symptom Engine pinging. Abnormal combustion. Spark plug not firing correctly Engine stops suddenly. SKU 96549 for technical questions, please call 1-800-444-3353. low engine power probable cause Incorrect Ignition timing. Fuel supply problem: 1. Fuel line is clogged or has air 2. -
Page 11: Engine Excessively Hot
Engine runs excessively hot. symptom Noise of piston banging, or other metal-on-metal SKU 96549 for technical questions, please call 1-800-444-3353. engine excessively hot probable cause 1. Ignition timing off. 2. Engine oil low. 3. Exhaust pipe or muffler clogged. -
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 96549 for technical questions, please call 1-800-444-3353. MAintenAnce scheduled Maintenance... -
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 96549 for technical questions, please call 1-800-444-3353. changing Oil cleaning the deposit cup... -
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 96549 for technical questions, please call 1-800-444-3353. item torque Value (ft-lb) - Page 15 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 96549 for technical questions, please call 1-800-444-3353. Ordering pArts...
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Page 16: Parts Lists And Assembly Diagrams
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 96549 for technical questions, please call 1-800-444-3353. crankcase parts list... -
Page 17: Crankcase Cover
SEMBLY and the ITEM No. part description Oil Plug with Seal Oil Plug Seal Crankcase Cover Bearing, 6250 Gasket, Crankcase SKU 96549 for technical questions, please call 1-800-444-3353. crank case cover parts list part description Pin, Set Dipstick Dipstick with seal Oil Seal, Crankshaft... -
Page 18: Cylinder Head And Cover
Bolt, M6x12 Air duct Intake Valve Guide Lead Wind Cover Stud, M6x109 Pin, Set 10x16 Gasket, Cylinder Head Cylinder Head Assembly SKU 96549 for technical questions, please call 1-800-444-3353. part description Stud, M8x34 Spark Plug, F6TC Exhaust Valve Guide Circle Clip... -
Page 19: Crankshaft, Piston, And Connecting Rod
Piston Ring (II) Side Rail Expander Scraper Ring Set Piston Ring Assembly Piston Pin Circle Clip Piston Piston Pin SKU 96549 for technical questions, please call 1-800-444-3353. part description Connecting Rod Connecting Rod Cover Bolt Connecting Rod Assembly Woodruff Key... -
Page 20: Camshaft And Rocker Valve
Lock Nut Sleeve Valve, Rocker Bolt, Adjusting, Valve Gap Valve, Rocker, Assembly Pusher Guide Pusher Tappet SKU 96549 for technical questions, please call 1-800-444-3353. part description Spring, Extension Camshaft Assembly Valve, Exhaust Valve, Intake Spring, Valve Spring Seat, Intake Valve... -
Page 21: Carburetor
Jet, Main Float Float Chamber Gasket Float Chamber Washer Float Chamber Drain Screw Screw Air Cleaner Gasket Choke SKU 96549 for technical questions, please call 1-800-444-3353. carburetor parts list part Choke Stem Washer, Air-proof Throttle Lever Washer Screw, M4 Cover... -
Page 22: Fuel Tank
When ordering parts from this list, specify: parts list g, FUEL TANK ASSEMBLY and the ITEM No. part SKU 96549 for technical questions, please call 1-800-444-3353. fuel tank Assembly diagram fuel tank parts list description Pipe Clamp Pipe, Outlet... -
Page 23: Air Cleaner
Air cleaner Assembly diagram note: When ordering parts from this list, specify: parts list h, AIR CLEANER ASSEMBLY and the ITEM No. part SKU 96549 for technical questions, please call 1-800-444-3353. Air cleaner parts list description Wing Nut Air Cleaner Cover... -
Page 24: Muffler
When ordering parts from this list, specify: parts list j, MUFFLER ASSEMBLY and the ITEM No. part SKU 96549 for technical questions, please call 1-800-444-3353. Muffler Assembly diagram Muffler parts list description Screw, M5x8 Muffler Hood Nut, M8 Muffler... -
Page 25: Recoil Starter
Crankcase Side Plate Assy Bolt, M6x18 Fan Hood Assy. Bolt, M6x12 Engine Switch Casing Spring, Spiral Spring, Ratchet Ratchet SKU 96549 for technical questions, please call 1-800-444-3353. recoil starter parts list part Spring, Friction Spring Lid Screw, Set Starter Wheel Rope, Starter... -
Page 26: Regulator Control
Nut, M6 Panel, Setting Spring Patch Hand Grip Washer Bolt, M5x25 Spring, Regulating Support Panel Assembly SKU 96549 for technical questions, please call 1-800-444-3353. regulator control parts list part Spring Spring, Back Spring, Fine Regulating Rod, Pull Bolt, Lock... -
Page 27: Flywheel
When ordering parts from this list, specify: parts list M, FLYWHEEL ASSEMBLY and the ITEM No. part SKU 96549 for technical questions, please call 1-800-444-3353. flywheel Assembly diagram flywheel parts list description Nut, M14x1.5 Starting Flange Flywheel Fan Flywheel... -
Page 28: Ignition Coil
Assembly diagram note: When ordering parts from this list, specify: parts list n, IGNITION COIL ASSEMBLY and the ITEM No. part SKU 96549 for technical questions, please call 1-800-444-3353. ignition coil parts list description Screw, M6x22 Engine Stop Cable... -
Page 29: Wiring Diagram
90 dAy wArrAnty Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase. This... -
Page 30: Emission Control System Warranty
The United States Environmental Protection Agency (herein EPA) and Harbor Freight Tools (herein HFT) are pleased to explain the emission control system warranty on your 1997 and later Small Off-Road Engine (herein engine). Within the United States, new off-road, spark-ignition engines certified for model year 1997 and later, must be designed, built and equipped to meet the stringent anti-smog stan- dards set forth by the EPA. - 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 96549 for technical questions, please call 1-800-444-3353. Page 31...