Harbor Freight Tools 97964 User's Manual
Contents
1. 9 BREAK IN PERIOD 9 TECHNICAL SPECIFICATIONS 10 SERVICING vcsecinccnnc cite 10 MAINTENANCE PROCEDURES 10 ENGINE OIL CHANGE 10 AIR FILTER ELEMENT MAINTENANCE 11 SPARK PLUG MAINTENANCE 11 INSPECTION MAINTENANCE AND CLEANING SCHEDULE 12 AFTER INITIAL 20 OPERATION HOUR PERIOD 12 EVERY 25 OPERATION HOURS THEREAFTER 12 EVERY 50 OPERATION URS awe 12 EVERY 100 OPERATION HOURS 12 EVERY 300 OPERATION HOURS 12 STORAGE 12 14 SKU 97964 For technical questions please call 1 800 444 3353 16 ASSEMBLY 17 LIMITED 1 YEAR 90 DAY WARRANTY 18 EMISSION CONTROL SYSTEM WARRANTY 18 2 SAVE THIS MANUAL Keep this manual for the safety warn ings and precautions assembly operat ing inspection maintenance and cleaning procedures Write the product s serial number in the back of the manual near the assembly diagram or month and year of purchase if product has no number Keep this manual and the receipt in a safe and dry place for future reference IMPORTANT SAFETY INFORMATION In this manual on the labeling and all other information provided with th2. interference or pacemaker failure Caution is neces sary when near the engine s magneto or recoil starter Use only accessories that are recom mended by Harbor Freight Tools for your model Accessories that may be suitable for one Engine may become hazardous when used on another piece of Engine Do not operate in explosive atmo spheres such as in the presence of flammable liquids gases or dust Gasoline powered engines may ignite the dust or fumes Stay alert watch what you are doing and use common sense when operat ing this Engine Do not use this En gine while tired or under the influence of drugs alcohol or medication Do not overreach Keep proper foot ing and balance at all times This enables better control of the Engine in unexpected situations Dress properly Do not wear loose clothing or jewelry Keep hair cloth ing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts Parts especially exhaust system components get very hot during use Stay clear of hot parts Do not cover the Engine during op eration Page 4 20 SKU 97964 Keep the Engine and surrounding area clean at all times Use the Engine in accordance with these instructions and in the man ner intended for the particular type of Engine taking into account the working conditions and the work to be performed Use of the Engine for op erations different from those intended c
3. other flammable materials nearby 2 Have multiple ABC class fire extin guishers nearby 3 Operation of this Engine may create sparks that can start fires around dry vegetation A spark arrestor may be required The operator should contact local fire agencies for laws or regulations relat ing to fire prevention requirements Page 3 SKU 97964 Mount and use the Engine securely and only on a flat level well venti lated surface Wear ANSI approved safety goggles heavy duty work gloves and dust mask respirator during set up Use only oil and fuel recommended in the Specifications section of this manual OPERATING PRECAUTIONS 1 CARBON MONOXIDE HAZARD 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 Only use OUTSIDE and far away from windows doors and vents Keep children away from the Engine especially while it is operating Do not leave the Engine unattended when it is running Turn off the En gine before leaving the work area 10 For technical questions please call 1 800 444 3353 Wear ANSI approved safety goggles and hearing protection during use People with pacemakers should consult their physician s before use Electromagnetic fields in close proximity to a heart pacemaker could cause pacemaker
4. 3 turn more Non gasket style Finger tighten until the Plug contacts the head then about 1 16 turn more Page 12 INSPECTION MAINTENANCE AND CLEANING SCHEDULE 1 Note This maintenance schedule is in tended solely as a general guide If 2 performance decreases or if Engine operates unusually check systems immediately The maintenance needs of each part of the Engine will differ depending on factors such as duty cycle temperature air quality fuel quality and other factors Note These procedures are in addition to the regular checks and maintenance explained as part of the regular op eration of the Engine and equipment After Initial 20 Operation Hour Period a Change engine oil Every 25 Operation Hours Thereafter a Clean replace Foam Air Filter 27 b Inspect clean Spark Plug Every 50 Operation Hours a Change engine oil Every 100 Operation Hours a Replace Spark Plug b Replace Foam Air Filter Note All maintenance procedures sched 3 uled for 25 50 and 100 operation hours should be performed at least 4 yearly Every 300 Operation Hours 5 a Clean Fuel Tank 96 and Carburetor 22 b Clean carbon build up from combus tion chamber SKU 97964 a b For technical questions please call 1 800 444 3353 Storage Wait for Engine to cool then wipe Engine with clean cloth When the Engine is to remain idle for longer than 20 days prepare the Engine for storag
5. EITHER THE MANUFACTURER OR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT IN FACT THE MANUFACTURER AND OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER THE BUYER ASSUMES ALL RISK AND LIABILITY 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 SKU 97964 For technical questions please call 1 800 444 3353 Page 14 Engine will not start Troubleshooting Possible Cause Possible Solution FUEL RELATED FUEL RELATED No fuel in tank or fuel valve closed Choke not in start position especially with cold engine Low quality or deteriorated old gasoline Carburetor not primed Dirty fuel passageways blocking fuel flow Carburetor needle stuck Fuel can be smelled in the air Too much fuel in chamber This can be caused by the carburetor needle sticking IGNITION SPARK RELATED 1 Spark plug wire not connected securely Spark plug electrode wet or dirty Incorrect spark plug gap Spark plug wire or spark plug broken Incorrect spark timing or faulty ignition system 1 2 3 4 Fill fuel tank a
6. EN re y In CHOKE 22 FUEL VALVE THROTTLE 94 93 64 STARTER HANDLE FIGURE A A 83 Starting the Engine Inspect Engine and equipment looking for damaged loose and missing parts before set up and starting If any problems are found do not use until properly repaired Checking and Filling Engine Oil CAUTION Your Warranty is VOID if the Engine s crankcase not properly filled with oil before each use Before each use check the oil level Do not run the Engine with low or no engine oil Running the Engine with no or low engine oil WILL permanently damage the Engine REV 08h Page 7 FIGURE B DIPSTICK 48 1 Remove the Dipstick and wipe it off with a clean rag See Figure B 5 z LN a ud DIPSTICK Ww 48 2 Reinsert the Dipstick completely and remove it to check the oil level The oil level should be between the high and low marks on the Dipstick See Figure C 3 Ifthe oil level is below the low mark add the appropriate type of oil until the oil level is between the high and the low marks Oil type 32 F or above SAE 30W Below 32 F SAE 5W 30 SKU 97964 For technical questions please call 1 800 444 3353 4 Replace the Oil Dipstick See Figure B CAUTION Do not run the Engine with too little or too much oil The Engine will be permanently damaged Checking and Filling F
7. Greyhound 2 5 HP HORIZONTAL OHV GASOLINE ENGINE 11114197964 SET UP OPERATING AND SERVICING INSTRUCTIONS A DANGER 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 Only use OUTSIDE a home or garage and far away from EVEN IF doors and windows doors and windows are open vents 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 All rights reserved No portion of this manual or any artwork contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight Tools Diagrams within this manual may not be drawn proportionally Due to continuing improvements actual product may differ slightly from the product described herein For technical questions or replacement parts please call 1 800 444 3353 Manual Revised 09i CONTENTS IMPORTANT SAFETY 2 3 BASIC SPECIFICATIONS 6 UNPACKING 6 SET UP INSTRUCTIONG 6 OPERATING INSTRUCTIONS 7 ENGINE 5 7 STARTING THE 7 CHECKING AND FILLING 7 CHECKING AND FILLING FUEL 8 START
8. HEEL SIDE PLATE 79 FLANGE BOLT M6 X12 80 FLYWHEEL SIDE PLATE 81 COVER NGE BOLT M6 X12 OIL STARTER ASSY NGE BOLT M6 X10 85 FLANGE BOLT M6 X12 OIL LEVEL SWITCH ASSY 87 AMPLIFIER 88 GOVERNOR ROD 89 THROTTLE RETURN SPRING 90 FLANGE BOLT 6x12 92 SCREW x16 FU P SM FU in m 2 gt od tH Q tO Do 96 99 FUEL Page 17 ASSEMBLY DIAGRAM SKU 97964 For technical questions please call 1 800 444 3353 Page 18 LIMITED 1 YEAR 90 DAY WARRANTY Harbor Freight Tools Co makes ev ery effort to assure that its products meet high quality and durability standards and warrants to the original purchaser that for a period of ninety days from date of purchase that the engine motor the belts if so equipped and the blades if so equipped are free of defects in materials and workmanship Harbor Freight Tools also warrants to the original purchaser for a period of one year from date of pur chase that all other parts and components of the product are free from defects in ma terials and workmanship 90 days if used by a professional contractor or if used as rental equipment This warranty does not apply to damage due directly or indirectly to misuse abuse negligence or accidents repairs or alterations outside our facilities normal wear and tear or to lack o
9. KING gt 2 Do not refill the fuel tank while the ae When unpacking check to make sure Engine is running or hot that the item is intact and undamaged If 3 not fill fuel tank to the top Leave parts are missing or broken please a little room for the fuel to expand as call Harbor Freight Tools at the number needed shown on the cover of this manual as soon as possible 4 Refuel in a well ventilated area only SAVE THESE __SET UP INSTRUCTIONS INSTRUCTIONS Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this BASIC SPECIFICATIONS manual including all text under subheadings therein before set Pe 89 octane unleaded up or use of this product Fuel gasoline AWARNING TOPREVENT SAE 30W SERIOUS INJURY above 32 F FROM ACCIDENTAL Engine Oil SAE SW 30 STARTING at 2a For below Turn the Power Switch of the equipment to its OFF position wait for the engine to cool and disconnect the spark plug wire s before assembling or making any The emission control system for this adjustments to the equipment engine is warranted for standards set by the U S Environmental Protection Agency AAWARNING hana a eae and by the California Air Resources Board also Known as CARB For warranty Sperate only wien spark arrestor installed Note Additional specifications found in the TECHNICAL ENGINE SPECIFI CATIONS chart in this manual REV 08e SKU 97964 For technica
10. NGE BOLT M6 16 DESCRIPTION QTY 9 CRANKCASE COVER ASSY BALL BEARING 6303 FLANGE BOLT 6 16 10 ROCKER ASSEMBLY 11 EX VALVE SPRING RETAINER 12 VALVE SPRING RETAUNER 13 VALVE SPRING 14 PLATE 5 16 PUSH ROD 7 CYLINDER HEAD COMP 18 CARBURETOR STUD BOLT 19 INTAKE PIPE GASKET 20 CARBURETOR INSULATING PLATE 91 CARBURETOR PAPER GASKET 92 CARBURETOR W CHOKE 23 CARBURETOR SPACER Saad 24 HOUSING AIR FILTER 25 FLANGE NUT 6 26 PLATE 27 FOAM AIR FILTER 28 _ COVER ATR FILTER 29 BOLT 29 EXHAUST PIPE STUD BOLT 91 MLFFLER GASKET 32 SPARK PLUG LD NGK 33 MUFFLER 36 3 T 8 N 3 CONNECTING ROD ASSY l4 CONNECTING ROD ASSY 15 CYLINDER HEAD GASKET SEAL FLANGE BOLT 8 25 DIPSTICK i OO gt SKU 97964 For technical questions please call 1 800 444 3353 54 VALVE LIFTER 55 CRANKSHAFT COMP aa KEY 57 BALL BEARING 6203 58 SHROUD 60 GOVERNOR GEAR ASSY 11 61 LOCK PIN 8mm GOVERNOR SPRING CONTROL ASSY FLANGE BOLT 6 8 68 DRAIN PLUG BOLT 69 DRAIN PLUG WASHER 10 2mm CRANK CASE NGE BOLT 6X 20 272 CRANKCASE COVER ASSY FLYWHEEL 75 COOLING FAN _ 76 STARTER PULLEY FLYWHEEL NUT W141 25 78 FLYW
11. Remove the Foam Air Filter 27 Then remove the Apron Plate 26 See Figure G 4 Wash the Foam Air Filter 27 and Apron Plate 26 in warm water and mild detergent several times Rinse Squeeze out excess water from the Filter and allow it to dry completely Soak the Filter in lightweight oil briefly then squeeze out the excess oil See Figure G SKU 97964 For technical questions please call 1 800 444 3353 Install the cleaned Apron Plate 26 and Foam Air Filter 27 Secure the Air Filter Cover 28 with the two Bolts 29 before use See Figure G Spark Plug Maintenance Disconnect Spark Plug Wire from end of the Spark Plug Clean out debris from around Spark Plug Using the provided Spark Plug Wrench remove the Spark Plug Inspect the Spark Plug If the electrode is oily clean it using a clean dry rag If the electrode has deposits on it polish it using emery paper If the white insulator is cracked or chipped the Spark Plug needs to be replaced i a FIGURE H 027 TO 031 When installing a new Spark Plug adjust the plug s gap to the specifica tion on the Technical Specification chart Do not pry against the elec trode or the insulator the Spark Plug can be damaged See Figure H Install the new Spark Plug or the cleaned Spark Plug into the Engine Gasket style Finger tighten until the gasket contacts the cylinder head then tighten about 1 2 2
12. SKU 97964 For technical questions please call 1 800 444 3353 Maintenance Procedures Many maintenance procedures including those not detailed in this manual will need to be performed by a qualified technician for safety If you have any doubts about your ability to safely service the Engine have a qualified technician service the Engine instead Note Warranty is void if proper mainte nance and servicing procedures are not followed Engine Oil Change ACAUTION Oil is very hot during opera tion and can cause burns Wait for Engine to cool before changing oil 1 Place a drain not included un derneath the Crankcase s Drain Plug Bolt 68 See Figure F FIGURE F DRAIN PLUG BOLT 68 DRAIN PLUG WASHER 69 2 Remove the Drain Plug Bolt 68 and if possible tilt the Crankcase slightly to help drain the oil out Recycle used oil See Figure F Page 11 3 Replace the Drain Plug Bolt and D Drain Plug Washer 69 Replace the washer if damaged Tighten the plug See Figure F 4 Refill the oil to the proper level follow ing the instructions under the Start ing the Engine section 1 Air Filter Element Maintenance FIGURE G 2 AIR FILTER 3 AIR FILTER FOAM COVER PLATE AIR FILTER 28 26 27 1 Wipe off the Air Filter Cover 28 See Figure G 2 The Air Filter Cover 28 is held in 4 place by two Bolts 29 Unscrew and remove the two Bolts 3
13. control parts defects subject to the provisions set forth below If any emission related part on your engine is defective the part will be repaired or replaced by HFT Page 19 SKU 97964 Owner s Warranty Responsibilities As the engine owner you are responsible for the performance of the required maintenance listed in your Owner s Manual HFT recommends that you retain all receipts covering main tenance on your engine but HFT cannot deny warranty solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance As the engine owner you should however be aware that HFT may deny you warranty coverage if your engine or a part has failed due to abuse neglect improper maintenance or unapproved modifications You are responsible for shipping your engine to a HFT war ranty station as soon as a problem exists Contact the HFT Customer Service department at the number below to make shipping arrangements The warranty repairs should be completed in a reasonable amount of time not to exceed 30 days If you have any questions regarding your warranty rights 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 Length of Coverage HFT warrants to a first retail purchaser and each subsequent purchaser that the engine is free from defects in materials and workma
14. d States Emission Control Defects Warranty Statement The California Air Resources Board herein CARB the United States Environmental Protection Agency herein EPA and Harbor Freight Tools herein HFT are pleased to explain the emission con trol system warranty on your 1995 and later Small Off Road Engine herein engine In California the engine must be designed built and equipped to meet the State s stringent anti smog standards Elsewhere within the United States new off road spark ignition engines certified for model year 1997 and later must meet similar standards set forth by the EPA HFT must warrant the emission control system on your engine for the periods of time described below provided there has been no abuse neglect or improper maintenance of your engine Your emission control system may include parts such as the carburetor or fuel injection system and the ignition system Also included may be hoses belts connectors and other emission related assemblies Where a warrantable condition exists HFT will repair your engine at no cost to you including diagnosis parts and labor Manufacturer s Warranty Coverage The 1995 and later engines are warranted for two 2 years If any emission related part on your engine is defective the part will be repaired or replaced by HFT Harbor Freight Tools Emission Control Defects Warranty Coverage Engines are warranted for a period of two 2 years relative to emission
15. e as follows Change engine oil and empty Fuel Tank 96 Either leave Fuel Tank 96 empty or refill Fuel Tank with fresh unleaded gasoline mixed with a fuel stabilizer intended for long term Engine stor age not included After filling run Engine for about 1 to 2 minutes to circulate the treated gasoline through the Carburetor 22 Wait for Engine to cool before proceed ing Clean out area around Spark Plug Remove Spark Plug and pour one tablespoon of engine oil into cylinder through Spark Plug hole Reinstall Spark Plug but leave Spark Plug Wire disconnected Pull Recoil Starter once to distribute oil in cylinder Stop after one or two revolutions when you feel the piston start the compression stroke when you start to feel resistance Apply a thin coat of rust preventive oil to all uncoated metal parts Cover and store in a dry well ventilat ed area out of reach of children Before starting the Engine after stor age keep in mind that untreated gasoline will deteriorate quickly Drain the Fuel Tank and change to fresh fuel if untreated gasoline has been sitting for a month if treated gasoline has been sitting beyond the Page 13 fuel stabilizer s recommended time period or if the Engine does not start properly PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY N
16. f main tenance We shall in no event be liable for death injuries to persons or property or for incidental contingent special or con sequential damages arising from the use of our product Some states do not allow the exclusion or limitation 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 WARRANTIES OF MERCHANTABIL ITY AND FITNESS To take advantage of this warranty the product or part must be returned to us with transportation charges prepaid Proof of purchase date and an explanation of the complaint must accompany the merchan dise If our inspection verifies the defect we will either repair or replace the product at our election or we may elect to refund SKU 97964 For technical questions please call 1 800 444 3353 the purchase price if we cannot readily and quickly provide you with a replace ment We will return repaired products at our expense but if we determine there is no defect or that the defect resulted from causes not within the scope of our warran ty then you must bear the cost of returning the product This warranty gives you specific legal rights and you may also have other rights which vary from state to state 3491 Mission Oaks Blvd Box 6009 Camarillo CA 93011 800 444 3353 EMISSION CONTROL SYSTEM WARRANTY California and Unite
17. ion Fill engine oil to proper level Check engine oil before EVERY use Fill fuel tank with fresh 89 octane unleaded gasoline Test replace fuel tank cap Properly adjust idle speed Have qualified technician diagnose and service engine Fill fuel tank with fresh 89 octane unleaded gasoline Do not exceed load rating Have qualified technician diagnose and service engine Fill fuel tank with fresh 89 octane unleaded gasoline Use cold weather fuel and oil additives to prevent backfiring Move choke to run position after engine warms up Qualified technician must adjust engine at altitudes greater than 5 000 feet above sea level Have qualified technician diagnose and service engine Follow all safety precautions whenever diagnosing or servicing the equipment or engine Record Product s Serial Number Here Note 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 avail able individually as replacement parts SKU 97964 For technical questions please call 1 800 444 3353 Page 16 PARTS LIST DESCRIPTION 4 TUBE BREATHER 5 HEAD COVER PACKING 1 FLANGE BOLT M6 x 12 2 BEAD COVER COMP JAPRON PLATE A 6 BOLT 8 55 FLANGE BOLT 8 X 55 FLA
18. ion See Figure 2 the Engine Power Switch 94 to its ON position See Figure 3 Then turn the Engine Choke Lever 22 to its CHOKE position Set the Choke Lever in the RUN position when starting a warm Engine See Figure E 4 Grasp the Starter Handle 83 and pull slowly until resistance is felt While holding the Handle allow the Starter Rope to rewind slowly Then pull the Starter Handle with a rapid full arm stroke Repeat as necessary until the Engine starts See Figure E 5 After the Engine starts and warms up slowly move the Choke Lever to SKU 97964 its RUN position Then adjust the Throttle 64 to the desired Engine speed RPM See Figure E IMPORTANT Allow the Engine to run at no load until warm 1 5 minutes with no load after each start up to al low the Engine to stabilize le gt FUEL VALVE THROTTLE 93 64 STARTER HANDLE 83 Break in Period 1 For technical questions please call 1 800 444 3353 Breaking in the Engine will help to ensure proper equipment and Engine operation and will extend the En gine s lifespan The warranty is void if the Engine is not broken in properly The first 20 hours of operation is the break in period During the first 3 hours of use e Do not apply a heavy load to the Engine e Do not operate the Engine at its maximum speed Change the engine oil after the first 20 hour
19. is product This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death DANGER indicates A DANGER a hazardous situation which if not avoided will result in death or serious injury AWARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury CAUTION used ACAUTION with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury SKU 97964 For technical questions please call 1 800 444 3353 NOTICE is used to NOTICE address practices not related to personal injury CAUTION without CAUTION the safety alert symbol is used to address practices not related to personal injury WARNING Read all instructions Failure to follow all instructions listed below may result in fire serious injury and or DEATH The warnings and precautions discussed in this manual cannot 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 SAVE THESE INSTRUCTIONS SET UP PRECAUTIONS 1 Gasoline fuel and fumes are flamma ble and potentially explosive Use proper fuel storage and handling pro cedures Do not store fuel or
20. l questions please call 1 800 444 3353 Page 6 Operation of this equipment may create sparks that can start fires around dry vegetation A spark arrestor may be required The operator should contact local fire agencies for laws or regulations relating to fire prevention requirements Note For additional information regarding the parts listed in the following pages refer to the Assembly Diagram near the end of this manual Note See Mounting Base Layout Diagram and Engine Shaft Layout Diagram on page 10 1 tapered Crankshaft 55 is 5 8 at its thickest diameter Therefore the Belt Pulley or Sprocket Pulley neither included attached to the Crankshaft must have a 5 8 inside diameter The Belt Sprocket Pul ley and Belt Chain used must have proper guards not included attached for safety purposes 2 sure to mount the Engine ona sturdy equipment surface capable of supporting the weight of the Engine and the equipment itself 3 equipment to which the Engine will be attached must have matching bolt hole patterns and be attached using the proper size bolts not in cluded OPERATING INSTRUCTIONS Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under A SKU 97964 For technical questions please call 1 800 444 3353 subheadings therein before set up or use of this product Engine Controls v T gt O
21. mperature and time sensitive valves and switches ii Hoses belts connectors and assemblies Page 20
22. nd open fuel valve Move choke to start position if engine is cold Use only fresh 89 octane unleaded gasoline Prime carburetor by pressing priming bulb specified number of times if equipped Replace broken or damaged bulb Clean out passageways using fuel additive Heavy deposits may require further cleaning Gently tap side of carburetor float chamber with screwdriver handle Turn choke to run position Remove spark plug and pull the start handle several times to air out the chamber Reinstall spark plug and set choke to start position IGNITION SPARK RELATED 1 2 Correct spark plug gap Replace spark plug wire and or spark Connect spark plug wire properly Clean spark plug plug Have qualified technician diagnose repair ignition system COMPRESSION RELATED 1 Cylinder not lubricated This can be a problem after long storage periods Loose or broken spark plug Hissing noise will occur when trying to start Loose cylinder head or damaged head gasket Hissing noise will occur when trying to start Engine valves or tappets misadjusted or stuck COMPRESSION RELATED 1 Pour tablespoon of oil into spark plug hole Crank engine a few times and try to start again Tighten spark plug If that does not work replace spark plug If problem persists may have head gasket problem see 3 Tighten head If that does not remedy problem re
23. nship that cause the failure of warranted parts for a period of two 2 years after the date of delivery to the first retail purchaser No Charge Repair or Replacement Repair or replacement of any warranted part will be performed at no charge to the owner if the work is performed through a warranty station authorized by HFT For emissions warranty service contact the HFT Customer Service Department at 1 800 444 3353 Consequential Damages Coverage Coverage under this warranty shall also extend to the failure of any engine components caused by the failure of any war ranted part while it is still covered under this warranty Coverage Exclusions Warranty claims shall be filed in accordance with the provi sions of the HFT warranty policy explained in the box at the top of the previous page HFT shall not be liable for any loss of use of the engine for any alternative usage for any damage to goods loss of time or inconvenience Warranty coverage shall also be excluded for any part which fails malfunctions or is damaged due to failure to follow the maintenance and operating instructions set forth in the Owner s Manual includ ing but not limited to a Use of parts which are not authorized by HFT b Improper installation adjustment or repair of the engine or of any warranted part unless performed by an autho rized warranty center Failure to follow recommendations on fuel use contained in the Owner s Manual Impro
24. ould result in a hazardous situation Do not operate the Engine with known leaks in the Engine s fuel system This product contains or when used produces a chemical known to the State of California to cause cancer and birth defects or other reproduc tive harm California Health amp Safety Code 25249 5 et seq When spills of fuel or oil occur they must be cleaned up immediately Dispose of fluids and cleaning materi als as per any local state or federal codes and regulations Store oil rags in a bottom ventilated covered metal container Keep hands and feet away from moving parts Do not reach over or across the Engine while operating Before use check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the Engine s operation If damaged have the Engine ser viced before using Many accidents are caused by poorly maintained engines Use the correct Engine for the appli cation Do not modify the Engine and do not use the Engine for a purpose for which it is not intended SERVICE PRECAUTIONS Before service maintenance or cleaning a Turn the Power Switch 94 to its OFF position b Allow the Engine to completely cool c Then remove the Spark Plug Wire from the Spark Plug Keep all safety guards in place and in proper working order Safety guards include Muffler Air Cleaner mechani cal guards and heat shields among othe
25. per or inadequate maintenance of any warranted parts e Repairs performed outside of the authorized warranty service dealers f Alterations by changing adding to or removing parts from the engine For technical questions please call 1 800 444 3353 Service and Maintenance Component parts which are not scheduled for replacement as required maintenance or are scheduled only for regular inspection to the effect of repair or replace as necessary are warranted for the warranty period Any warranted part which is scheduled for replacement as required maintenance is warranted for the period of time up to the first scheduled replacement point for that part Any replacement part pro vided it is equivalent in durability and performance may be used in performance of maintenance or repairs The owner is responsible for commissioning a qualified technician me chanic to perform all required maintenance as outlined in the Inspection Cleaning and Maintenance section in this manual Warranted Parts 1 Fuel Metering System Carburetor and its internal parts ii Fuel pump if so equipped iii Cold start enrichment system 2 Air Induction System i Intake pipe manifold ii Air cleaner 3 Ignition System i Spark plug ii Magneto ignition system 4 Catalyst System if so equipped i Exhaust pipe stud ii Muffler iii Catalytic converter if so equipped 5 Miscellaneous Items Used in Above Systems i Vacuum te
26. place head gasket Adjust valve clearance If that does not work clean or replace valves tappets Follow all safety precautions whenever diagnosing or servicing the equipment or engine SKU 97964 For technical questions please call 1 800 444 3353 Page 15 Troubleshooting Possible Cause Possible Solution Engine misfires Engine stops suddenly Engine knocks Engine backfires Spark plug wire loose 15 Incorrect spark plug gap or 2 damaged spark plug Defective spark plug wire Old or low quality gasoline Incorrect compression Low oil shutdown Fuel tank empty or full of impure or low quality gasoline Defective fuel tank cap creating vacuum preventing properfuelflow Improper idle speed Faulty magneto incorrect timing or clogged carburetor Old or low quality gasoline Engine overloaded Incorrect spark timing deposit buildup worn engine or other mechanical problems Impure or low quality gasoline Engine too cold Choke not open after engine warm Engine not properly adjusted for high altitude operation Intake valve stuck choke stuck incorrect timing clogged carburetor or overheated engine Check wire connections Re gap or replace spark plug Replace spark plug wire Use only fresh 89 octane unleaded gasoline Diagnose and repair compression Use Engine will not start COMPRESSION RELATED sect
27. r guards Do not alter or adjust any part of the Engine that is sealed by the manufacturer or distributor Only a qualified service technician may adjust parts that may increase or decrease governed Engine speed Wear ANSI approved safety goggles heavy duty work gloves and dust mask respirator during service Maintain labels and nameplates on the Engine These carry important information If unreadable or miss ing contact Harbor Freight Tools for a replacement Have the Engine serviced by a quali fied repair person using only iden tical replacement parts This will ensure that the safety of the Engine is maintained Do not attempt any service or maintenance procedures not explained in this manual or any procedures that you are uncertain about your ability to perform safely or correctly For technical questions please call 1 800 444 3353 Page 5 7 Store the Engine out of the reach of information refer to the last pages of this children manual 8 Follow scheduled engine mainte At high altitudes the Engine s car nance buretor governor and any other parts that control the fuel air ratio will need to be REFUELING PRECAUTIONS adjusted by a qualified mechanic to allow efficient high altitude use and to prevent 1 smoke or allow sparks damage to the Engine and any other de flames or other sources of ignition vices used with this product around the Engine especially when refuelling UNPAC
28. s of use Under normal operating conditions subsequent maintenance follows the schedule explained in the MAINTE NANCE AND SERVICING section REV 09i Page 9 ENGINE SHAFT LAYOUT DIAGRAM fri 2 9 16 65mm Hole Distance Thread Hole 8 4 7819 Ps Mounting hole pattern and the engine shaft layout AX MOUNTING BASE LAYOUT DIAGRAM Thread Hole M8 2 31 64 63mm Hole Distance 4 3 32 104mm Hole Distance REV 08 08h SKU 97964 For technical questions please call 1 800 444 3353 Page 10 TECHNICAL SPECIFICATIONS Rotation viewed mom FTO Counterclockwise Facing the power takeoff the output Shaft 9 shaft Shaft Size Type 5 8 diameter Keyed Fuel 89 octane unleaded gasoline ue Capacity 42 Gal 1 4 liters SAE 30W above 32 F SAE 5W 30 at 32 F or below Capacity 13 5 Oz 0 4 liters E6TC or Denso W20FP U ark Plu J 0 027 to 0 031 Engine Oil SERVICING TO PREVENT AWARNING SERIOUS INJURY FROM ACCIDENTAL STARTING Turn the Power Switch 94 of the Engine to its OFF position wait for the Engine to cool and disconnect the Spark Plug Wire before performing any inspection maintenance or cleaning procedures TO PREVENT AWARNING SERIOUS INJURY FROM EQUIPMENT FAILURE Do not use a damaged Engine If abnormal noise vibration or excess smoking occurs have the problem corrected before further use
29. uel AWARNING TO PREVENT 55 SERIOUS INJURY FROM FIRE Fill the Fuel Tank in a well ven tilated area away from ignition sourc es Do not smoke FIGURE D FUEL TANK FUEL TANK FILTER 96 FUEL TANK 96 1 To fill the Fuel Tank 96 first wipe off the Fuel Tank Cap 96 and the sur rounding area See Figure D 2 Unscrew and remove the Fuel Tank 96 See Figure D 3 Mix fuel stabilizer not included with 89 octane or better unleaded gaso line according to fuel stabilizer direc tions 4 Fill the Fuel Tank 96 to about 1 inch under the fill neck of the Fuel Tank with the stabilized unleaded gasoline mixture See Figure D 5 Then replace the Fuel Tank 96 See Figure D Page 8 6 NOTE Always check the Fuel Tank Filter 96 for excess dirt and debris before each use If necessary re move and clean the Fuel Tank Filter Then re install the Filter in the Fuel Tank 96 and replace the Fuel Tank 96 See Figure D Start Procedure A Before starting the Engine a Follow the Set Up Instruc tions to prepare the Engine b Inspect the Engine c Fill the Engine with the prop er amount and type of fuel and oil Note This engine includes an automatic low oil shutdown sensor that disables the engine if the oil level is too low d Read the Equipment Opera tion section that follows 1 Turn the Engine Fuel Valve 93 to its OPEN posit
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