Harbor Freight Tools 68122 User's Manual
Contents
1. 2930 32 105 EN 3 102 Ja ANO MAINTENANCE Vertical Engine For technical questions please call 1 800 520 0882 Page 23 PREDATOR ENGINES 3491 Mission Oaks Blvd PO Box 6009 Camarillo CA 93011 800 520 0882 www harborfreight com2. 1 1 15 Bott 1 S 2 16 Bolt 1 0 S 1 17 Bracket Fuel TankRight 1 18 Sea Ol 1 0 0 1 19 Bot LEA 20 Bot 1 0 1 2 21 Plate Breath Groove Cover______ 1 22 Gasket Breath Groove_________ 1 23 Piece Breath 1 24 Strainer Breath Groove__________ 1 25 Shield Crankcase Rear__________ 1 26 Bearing 1 27 Bracket Fuel TankLeft 1 28 Bott 1 1 0 0 1 29 Arm Governor 1 30 Washer 31 Seal Ol 0 0 0 1 32 Pin 1 33 Bracket Fuel Tank Lower_________ 1 34 Bott 1 35 Gasket Crankcase 1 36 Pin 2 37 Washer 1 38 Block Returning Oil 1 39 Bott 1 40 Plate Governor Spindle Compression 1 41 Seal Ol 0 0 1 42 B 6 43 GearAsm Governor 44 Cover Crankcase_____________ 1 45 Ring The First 0 1 46 Ring The Second 1 47 j RigSetOl S 1 48 Piston 1 49 j ClipPistonPin 2 50 Pin Piston S 41 51 Rod Connecting____________ 1 52 j CrankshatAsm 1 1 53 Nut Valvelock______________ 2 54 Nut Valve Adjusting___________ 2 55 Seat Valve Spring____________ 2 56 Rocker Valve 57 Spring Valve______________ 2 58 Guide Sea 1 59 Bolt Valve
3. Page 22 68123 Parts List Part Description Qty 4 6 PlugSpak J 1 8 Bracket Muffler Shield 1 9 Bot 12 CrankeaseAsm 1 14 DipstickAsm Oil 1 16 Bot 1 1 19 Bot 1 21 Plate Breath Groove Cover 1 23 1 24 1 25 1 1 29 1 30 Washer______________ 1 31 1 3 3 1 36 1 Compression Bolt 4 45 _ t N N o gt D N N w o 1 1 1 1 29 30 31 36 44 45 46 47 48 49 53 54 Qo a a A Es a A 7 8 9 0 2 53 54 A 46 Piston A 1 1 1 1 mm mm 1 1 6 1 1 For technical questions please call 1 800 520 0882 Part Description Qty 58 Valve Intake 1 59 Plate Asm Lifter Stopper 1 60 Lifter Vave 2 66 Shroud 1 3 68 Stud 2 69 Std i y 71 Plate Carburetor Insulator 1 73 74 1 75 1 76 1 77 1 8 81 1 82 1 83 1 8 1 8 87 2 88 1 89 Clamp___ 90 Tube Fue_____________ 1 2 96 Bolt 1 1 0 1 Brake Asm Bot 1 0 Bot 1 1_ Rod Governor 1 2 103 105 106 73 4 75 76 E 80 81 82 83 686 87 88 1 1 e ojojo Vertical Engine 68123 Assembly Diagram
4. SAVE THESE INSTRUCTIONS gt Vertical Engine For technical questions please call 1 800 520 0882 Page 3 o gt Tl m lt Set up Precautions 1 Gasoline fuel and fumes are flammable and potentially explosive Use proper fuel storage and handling procedures Do not store fuel or other flammable materials nearby Have multiple ABC class fire extinguishers nearby 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 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 D NEVER use inside a home or garage EVEN IF doors and windows are open y E gt Only use OUTSIDE and far away from windows doors and vents Page 4 10 For technical questions please call 1 800 520 0882 Set up and use only on a flat level well ventilated surface Wear ANSI approved safety goggles heavy duty work gloves and dust mask respirator during set up Use only lubricants and fuel recommended in the Specifications chart of this manual Keep children away from the equipment especially while it is operating Keep all spectators at least six feet from the Engine during operation Fire
5. warranty service dealers f Alterations by changing adding to or removing parts from the engine 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 provided 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 mechanic to perform all required maintenance as outlined in the Inspection Cleaning and Maintenance section in this manual Warranted Parts 1 Fuel Metering System i 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 temperature and time sensitive valves and switches ii Hoses belts connectors and assemblies Vertical Engine Parts Lists and Diagrams Mounting
6. HFT are pleased to explain the emission control 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 Page 17 MAINTENANCE m gt Z O m 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 control parts defects subject to the provisions set forth below If any emission related part on your engine is defective the part will be
7. Hazard Do not fill gas tank while engine is running Do not operate if gasoline has been spilled Clean spilled gasoline before starting engine Do not operate near pilot light or open flame Do not touch engine during use Let engine cool down after use Never store fuel or other flammable materials near the engine Only use a suitable means of transport and lifting devices with sufficient weight bearing capacity when transporting the Engine Secure the Engine on transport vehicles to prevent the tool from rolling slipping and tilting Industrial applications must follow OSHA requirements Do not leave the equipment unattended when it is running Turn off the equipment and remove safety keys if available before leaving the work area Vertical Engine 11 12 13 14 15 16 17 18 19 Vertical Engine Engine can produce high noise levels Prolonged exposure to noise levels above 85 dBA is hazardous to hearing Always wear ear protection when operating or working around the gas engine while it is operating Wear ANSI approved safety glasses hearing protection and NIOSH approved dust mask respirator under a full face shield along with steel toed work boots during use People with pacemakers should consult their physician s before use Electromagnetic fields in close proximity to a heart pacemaker could cause pacemaker interference or pacemaker failure Caution is necessary when near
8. Hole Diagram Note Not to scale 3 8 in x 24 gt A KAK 3 27 in 83mm 3 85 in 97 7mm 3 94 in 100mm Vertical Engine For technical questions please call 1 800 520 0882 IN 0 34 in 8 7mm in 25 4mm Page 19 MAINTENANCE m gt Z O m 68122 Parts List Description Cover Cylinder Head Gasket Cylinder Head Cover Gasket Cylinder Head Bolt Plug Spark E Y 1 Bolt Stud 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 Crankcase Asm E ipstick Asm Oil Bolt Bolt Seal Oil Bolt Bolt El E 1 2 Bearing Bolt Arm Governor Washer Seal Oil E Bolt Washer El Bolt Seal Oil Bolt Gear Asm Governor ing The First ing The Second ing Set Oil Piston ip Piston Pin Crankshaft Asm E Seat Valve Spring Spring Valve Guide Seal El Part Description______ Qty 1 Cover CylinderHead 1 2 Gasket Cylinder Head Cover_____ 1 4 Gasket CylinderHead__________ 1 5 Bot 1 4 6 jPugSpak 1 7 Bolt Cylinder Head j 4 8 Bracket MufflerShield 1 9 Bot o 1 10 Stud 2 41 Pe 12 j CrankcaseAsm 1 19 Shield CrankcaseSide 1 14 jDipsickAsm Oil
9. THIS MANUAL improvements actual product may differ slightly from the product described herein Tools required for assembly and service may not be included o gt m lt Table of Contents e A ddan 2 Maintenance aiii iras 12 Safety niei diee dossiers 3 Warranties 2 ree 17 Seb UD ou tor ru ete an 8 Parts Lists and Diagrams 19 OPE lio ore 9 Specifications Engine Type Vertical Single Cylinder 4 stroke OHV Cooling System Forced air cooled Type 87 octane unleaded gasoline Capacity 1 16 Quarts 10W 30 above 32 F Engine Oil Pees 5W30 at 32 F or below Capacity 0 6 Quart Run Time 50 Load with full tank Sound Level 104 dB Bore x Stroke 70 mm x 45 mm Fuel 40 minutes Displacement 173cc Compression Ratio 8 5 1 Rotation viewed from PTO C power takeoff the output shaft Shaft dia 7 8 x 3 16 Shaft Keyway 3 16 4 76 mm End Tapped 3 8 24 NGK9 BP 6ES BPR6ES DENSO W16EPR U W16EP U Type CHAMPION RN9YC4 Spark Plug NHSP F7TC F7RTC TORCH F7TC F7RTC Tho cero intake Exhaust Sed de 80 s50RPM ounterclockwise Page 2 For technical questions please call 1 800 520 0882 Vertical Engine WARNING SYMBOLS AND DEFINITIONS 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 A DANGER Indicate
10. repaired or replaced by HFT 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 maintenance 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 Youare responsible for shipping your engine to a HFT warranty 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 1 800 520 0882 Harbor Freight Tools Emission Control Defects Warranty Provisions 1 Length of Coverage HFT warrants to a first retail purchaser and each subsequent purchaser that the engine is free from defects in materials and workmanship 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 Repai
11. the engine s magneto or recoil starter Use only accessories that are recommended by Harbor Freight Tools for your model Accessories that may be suitable for one piece of equipment may become hazardous when used on another piece of equipment Do not operate in explosive atmospheres 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 operating this piece of equipment Do not use this piece of equipment while tired or under the influence of drugs alcohol or medication Do not overreach Keep proper footing and balance at all times This enables better control of the equipment in unexpected situations Use this equipment with both hands only Using equipment with only one hand can easily result in loss of control Dress properly Do not wear loose clothing or jewelry Keep hair clothing and gloves away from moving parts Loose clothes jewelry or long hair can be caught in moving parts 20 21 22 23 24 25 26 2T 28 29 30 For technical questions please call 1 800 520 0882 Parts especially exhaust system components get very hot during use Stay clear of hot parts Do not cover the engine or equipment during operation Keep the equipment engine and surrounding area clean at all times Use the equipment accessories etc in accordance with thes
12. AINTENANCE AND SERVICING section OPERATION Stopping the Engine To stop the engine release the brake handle Vertical Engine For technical questions please call 1 800 520 0882 Page 11 m gt Z O m Maintenance AWARNING TO PREVENT SERIOUS INJURY FROM ACCIDENTAL STARTING Release the brake handle wait for the engine to cool and disconnect the spark plug cap before performing any inspection maintenance or cleaning procedures TO PREVENT SERIOUS INJURY FROM EQUIPMENT FAILURE Do not use damaged equipment If abnormal noise vibration or excess smoking occurs have the problem corrected before further use Follow all service instructions in this manual The engine may fail critically if not serviced properly Many maintenance procedures including any 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 equipment or engine have a qualified technician service the equipment instead Cleaning Maintenance and Lubrication Schedule Note This maintenance schedule is intended solely as a general guide If performance decreases or if equipment operates unusually check systems immediately The maintenance needs of each piece of equipment will differ depending on factors such as duty cycle temperature air quality fuel quality and other factors Note The following procedures are in addition to the regul
13. Adjusting 2 60 Valve Intake 1 Page 20 For technical questions please call 1 800 520 0882 Plate Asm Lifter Stopper Lifter Valve Lifter Valve Nut E Co ps o Priming Bulb Gasket Air Cleaner Tube Breather Bolt Bolt w el Muffler Asm 100 101 102 103 104 105 106 107 108 Coil Ignition 61 62 63 64 65 67 70 71 72 73 74 75 76 7T 78 79 81 82 83 84 85 87 88 91 92 93 94 95 97 Gasket Air Cleaner Housing Engine Tube Fuel 109 110 Bot 111 112 113 114 115 116 SupportAsm Governor_________ 1 117 Bolt Governor Support__________ 1 119 Spring Governor 1 120 Clip 0 0 0 d 1 w o Part Part 61 62 63 64 65 66 67 68 69 70 71 272 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 Bolt 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 TH Vertical Engine 68122 Assembly Diagram e Po A e 9 y MAINTENANCE Vertical Engine For technical questions please call 1 800 520 0882 Page 21 m gt Z O m
14. Owner s Manual amp Safety Instructions Save This Manual Keep this manual for the safety warnings and precautions assembly operating 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 PREDATOR ENGINES 173cc Vertical Engine 22 S AR 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 windows are open and vents Visit our website at http www harborfreight com REV 14k Email our technical support at tech harborfreight com ITEM 68122 68123 When unpacking make sure that the product is intact and undamaged If any parts are missing or broken A WARNING please call 1 800 520 0882 as soon as possible Copyright 2010 by Harbor Freight Tools All rights reserved i No portion of this manual or any artwork contained herein may be reproduced in Read this material before using this product any shape or form without the express written consent of Harbor Freight Tools Failure to do so can result in serious injury Diagrams within this manual may not be drawn proportionally Due to continuing SAVE
15. an cause particles to enter the carburetor affecting engine performance and or causing damage 4 Then replace the Fuel Cap 5 Wipe up any spilled fuel and allow excess to evaporate before starting engine To 3 Reinsert the Dipstick without threading it in and prevent FIRE do not start the engine while remove it to check the oil level The oil level the smell of fuel hangs in the air should be up to the full level the top of the crosshatched area on the dipstick as shown above 4 lf the oil level is below the full level add the appropriate type of oil until the oil level is at the correct level SAE 10W 30 oil is recommended for general use The SAE Viscosity Grade chart on page 13 in the Maintenance section shows other viscosities to use in different average temperatures Z O E lt nc Lu ou O 5 Thread the Dipstick back in clockwise CAUTION Do not run the engine with too little oil The engine will be permanently damaged Vertical Engine For technical questions please call 1 800 520 0882 Page 9 Starting the Engine Before Starting the Engine a Follow the Set Up Instructions in the equipment A manual to prepare the equipment b Inspect the equipment and engine c Fill the engine with the proper amount and type of both fuel and oil d Read the Equipment Operation section in the equipment manual e Move the mower to a location that is flat level and free from loose objects such as rocks or s
16. ar checks and maintenance explained as part of the regular operation of the engine and equipment TOS es hr of use VE 7 use Bungvssgagm v v o ee oe ER Check air cleaner v v wv v Y exse AAA ALA pov Y Clean replace air cleaner Eie cv Check and clean spark plug AAA eT Check adjust idle speed Check adjust valve clearance Clean fuel tank strainer and carburetor Clean carbon build up from combustion chamber Replace fuel line if necessary a o Service more frequently when used in dusty areas These items should be serviced by a qualified technician Page 12 For technical questions please call 1 800 520 0882 Vertical Engine Fill the fuel tank in a well ventilated area Checking and Filling Fuel away from ignition sources If the engine is hot from use shut the engine off and wait WARNING TO PREVENT SERIOUS for it to cool before adding fuel INJURY FROM FIRE Do not smoke 1 Clean the Fuel Cap and the area around it 2 Unscrew and remove the Fuel Cap 3 If needed fill the Fuel Tank to about 1 inch under the fill neck of the Fuel Tank with 87 octane or higher unleaded gasoline Note Do notuse gasoline containing more than 10 ethanol E10 Do not use E85 ethanol Note Do not use gasoline that has been stored in a metal fuel container or a dirty fuel container It can cause particles to enter the carburetor effecting engine performance and
17. connected or improperly connected spark plug cap Dirty air filter Engine running cold 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 Intake valve stuck or overheated engine Incorrect timing Fill engine oil to proper level Check engine oil before EVERY use Fill fuel tank with fresh 87 octane unleaded gasoline Test replace fuel tank cap 4 Have qualified technician service magneto Secure spark plug cap Clean or replace element Allow engine to warm up prior to operating equipment Fill fuel tank with fresh 87 octane unleaded gasoline Do not exceed equipment s load rating Have qualified technician diagnose and service engine Fill fuel tank with fresh 87 octane unleaded gasoline Use cold weather fuel and oil additives to prevent backfiring Have qualified technician diagnose and service engine Check engine timing Follow all safety precautions whenever diagnosing or servicing the equipment or engine Page 16 For technical questions please call 1 800 520 0882 Vertical Engine Limited 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 fr
18. e instructions and in the manner intended for the particular type of equipment taking into account the working conditions and the work to be performed Use of the equipment for operations different from those intended could result in a hazardous situation SAFETY Do not operate the equipment 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 reproductive 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 materials 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 equipment while operating Before use check for misalignment or binding of moving parts breakage of parts and any other condition that may affect the equipment s operation If damaged have the equipment serviced before using Many accidents are caused by poorly maintained equipment Use the correct equipment for the application Do not modify the equipment and do not use the equipment for a purpose for which it is not intended Follow equipment manufacturer s operation precautions Page 5 o gt m lt Service Precautions 1 Before service maintenance or cl
19. eaning a Release the brake handle stopping the engine b Allow the engine to completely cool c Then remove the spark plug cap from the spark plug Keep all safety guards in place and in proper working order Safety guards include muffler air cleaner mechanical guards and heat shields among other guards Do not alter or adjust any part of the equipment or its 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 equipment These carry important information If unreadable or missing contact Harbor Freight Tools for a replacement Have the equipment serviced by a qualified repair person using only identical replacement parts This will ensure that the safety of the equipment 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 THE ENGINE BRAKE IS FOR EMERGENCY SHUTOFF DO NOT REPLACE THE BRAKE SPRING WITH A WEAKER SPRING Store equipment out of the reach of children Follow scheduled engine and equipment maintenance Refueling 1 Do not smoke or allow sparks flames or other sources of ignition around the equipment
20. ee from defects in materials and workmanship for the period of 90 days from the date of purchase This warranty does not apply to damage due directly or indirectly to misuse abuse negligence or accidents repairs or alterations outside our facilities criminal activity improper installation normal wear and tear or to lack of maintenance We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential 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 MERCHANTABILITY AND FITNESS Emission Control System Warranty United States Emission Control Defects Warranty Statement for Model 68123 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 standards Set forth by the EPA HFT must warrant the emission control system on your engine for the periods of time described below provided the
21. ention requirements Model 68123 The emission control system for this engine is warranted for standards set by the U S Environmental Protection Agency For warranty information refer to the last pages of this manual Models 68122 The emission control system for this Generator s Engine is warranted for standards set by the U S Environmental Protection Agency and by the California Air Resources Board also known as CARB For warranty information refer to the last pages of this manual At high altitudes the engine s carburetor governor if so equipped and any other parts that control the fuel air ratio will need to be adjusted by a qualified mechanic to allow efficient high altitude use and to prevent damage to the engine and any other devices used with this product 1 IMPORTANT If you have any doubts about your ability to perform the following procedures have a qualified service technician perform the installation 2 Install this engine on a lawn mower only Do not use to power a vehicle 3 Mounting hole locations a one 3 8 in x 24 threaded 1 in deep b two 0 34 in 8 7mm unthreaded use 5 16 in 8mm diameter hardware 4 Setthe Engine upright on the mower and align at least three engine mounting holes with mower mounting holes NOTE Depending on the mower it may be necessary to drill mounting holes or make a mounting plate to align with the engine mounting holes Only a qualified technician
22. especially when refuelling Do not refill the fuel tank while the engine is running or hot Do not fill fuel tank to the top Leave a little room for the fuel to expand as needed Refuel in a well ventilated area only Wipe up any spilled fuel and allow excess to evaporate before starting engine To prevent FIRE do not start the engine while the smell of fuel hangs in the air A SAVE THESE INSTRUCTIONS Page 6 For technical questions please call 1 800 520 0882 Vertical Engine Engine Components AN ex RAN NS Aw 9 2 SL Ys hpr L eX 25 CA J EY SIR DON 7 M at Na TEND LJ y 7 DD S cJ Hi E TH N SY Y z Sa Ni NN AS Ks ARIES ES gt 103 fs 3625 EE SOzc SER Cn 95096 o Or O o WZ Aa z DEN S _ y S Il EALAN Pe 7 La For technical questions please call 1 800 520 0882 Page 7 Vertical Engine Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product AWARNING TO PREVENT SERIOUS INJURY Operate only with proper spark arrestor installed 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 prev
23. g s gap to the specification on the Specifications chart Do not pry against the electrode the spark plug can be damaged Storage When the equipment is to remain idle for longer than 20 days prepare the engine for storage as follows 1 CLEANING Wait for engine to cool then clean engine with dry cloth NOTICE Do not clean using water Water will gradually enter engine and cause rust damage Apply a thin coat of rust preventive oil to all metal parts 2 FUEL AA WARNING TO PREVENT SERIOUS INJURY FROM FIRE Drain the fuel tank in a well ventilated area away from ignition sources If the engine is hot from use shut the engine off and wait for it to cool before draining fuel Do not smoke a Place a funnel leading to a proper gasoline container below the carburetor b Remove the drain bolt from the bottom of the carburetor bowl and allow the fuel to drain Page 14 For technical questions please call 1 800 520 0882 5 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 about 1 2 2 3 turn more Non gasket style Finger tighten until the plug contacts the head then about 1 16 turn more NOTICE Tighten the spark plug properly If loose the spark plug will cause the engine to overheat If overtightened the threads in the engine block will be damaged 6 Apply dielectric spark plug boot protector not incl
24. manual including all text under subheadings therein before set up or use of this product Pre Start Checks Inspect engine and equipment looking for damaged loose and missing parts before set up and starting If any problems are found do not use equipment until fixed properly Checking and Filling Engine Oil Checking and Filling Fuel CAUTION Your Warranty is VOID if the engine s Awarninc TO PREVENT SERIOUS crankcase is not properly filled with oil before INJURY FROM FIRE each use Before each use check the oil level Fill the fuel tank in a well ventilated area Do not run the engine with low or no engine oil away from ignition sources If the engine is Running the engine with no or low engine oil hot from use shut the engine off and wait WILL permanently damage the engine for it to cool before adding fuel 1 Make sure the engine is stopped and is level Do not smoke 2 Clean the top of the Dipstick and the area around it 1 Clean the Fuel Cap and the area around it Remove the Dipstick by threading it counterclockwise 2 Unscrew and remove the Fuel Cap and wipe Lol wily cean Mitras rag 3 If needed fill the Fuel Tank to about 1 inch under the fill neck of the Fuel Tank with 87 octane or higher unleaded gasoline Note Do not use gasoline containing more than 10 ethanol E10 Do not use E85 ethanol Note Do not use gasoline that has been stored in a metal fuel container or a dirty fuel container It c
25. nts and check for dirt Clean or replace as described below 2 Cleaning For paper filter elements To prevent injury from dust and debris wear ANSI approved safety goggles NIOSH approved dust mask respirator and heavy duty work gloves In a well ventilated area away from bystanders use pressurized air to blow dust out of the air filter If this does not get the filter clean replace it For foam filter elements Wash the element in warm water and mild detergent several times Rinse Squeeze out excess water and allow it to dry completely Soak the filter in lightweight oil briefly then squeeze out the excess oil 3 Install the new filter or the cleaned filter Secure the Air Cleaner Cover before use Spark Plug Maintenance 1 Disconnect spark plug cap from end of plug Clean out debris from around spark plug 2 Using a spark plug wrench remove the spark plug Page 13 MAINTENANCE 2 m gt Z O m 3 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 Recommended Spark Plugs Brand X Plug BP 6ES BPR6ES NHSP TORCH F7TC F7RTC DENSO9 W16EPR U W16EP U CHAMPION RN9YC4 NOTICE Using an incorrect spark plug may damage the engine 4 When installing a new spark plug adjust the plu
26. or causing damage 4 Then replace the Fuel Cap 5 Wipe up any spilled fuel and allow excess to evaporate before starting engine To prevent FIRE do not start the engine while the smell of fuel hangs in the air Engine Oil Change A CAUTION Oil is very hot during operation and can cause burns Wait for engine to cool before changing oil 1 Make sure the engine is stopped 2 Clean the top of the Dipstick and the area around it Remove the Dipstick by threading it counterclockwise 3 Tilt the engine over a suitable oil container far enough to allow all the oil to drain out Recycle used oil Wipe off the dipstick with a clean lint free rag Add the appropriate type of oil until the oil level is at the full level SAE 10W 30 oil is recommended for general use The SAE Viscosity Grade chart shows other viscosities to use in different average temperatures SAE Viscosity Grade 30 E 10W 30 Average outdoor temperature Vertical Engine For technical questions please call 1 800 520 0882 6 Reinsert the Dipstick without threading it in and remove it to check the oil level The oil level should be up to the full level the top of the crosshatched area on the dipstick as shown above 7 Thread the dipstick back in clockwise CAUTION Do not run the engine with too little oil The engine will be permanently damaged Air Filter Element Maintenance 1 Remove the air filter cover and the air filter eleme
27. p of grass FUEL RELATED No fuel in tank Low quality or deteriorated old gasoline Carburetor not primed Dirty fuel passageways Carburetor needle stuck Fuel can be smelled in the air Too much fuel in chamber This can be caused by the carburetor needle sticking MOWER ENGINE SPECIFIC 1 Make sure brake handle is held down and brake cable is properly adjusted 2 Start mower atop clear area free of loose objects and grass FUEL RELATED Fill fuel tank Use fresh 87 octane unleaded gasoline Press priming bulb before starting cold engine Clean out passageways using fuel additive Heavy deposits may require further cleaning Gently tap side of carburetor float chamber with screwdriver handle Turn Throttle to full position Remove spark plug and pull the start handle several times to air out the chamber Reinstall spark plug and attempt to restart IGNITION SPARK RELATED 1 Spark plug cap not connected securely Spark plug electrode wet or dirty Incorrect spark plug gap Spark plug cap broken Incorrect spark timing or faulty ignition system COMPRESSION RELATED 1 Cylinder not lubricated 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 mis adjusted or s
28. r 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 1 800 520 0882 Consequential Damages Coverage Coverage under this warranty shall also extend to the failure of any engine components caused by the failure of any warranted part while it is still covered under this warranty Page 18 For technical questions please call 1 800 520 0882 Coverage Exclusions Warranty claims shall be filed in accordance with the provisions 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 including 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 authorized warranty center c Failure to follow recommendations on fuel use contained in the Owner s Manual d Improper or inadequate maintenance of any warranted parts e Repairs performed outside of the authorized
29. re 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 Vertical Engine For technical questions please call 1 800 520 0882 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 merchandise If our inspection verifies the defect we will either repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement 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 warranty 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 California and United States Emission Control Defects Warranty Statement for Model 68122 The California Air Resources Board herein CARB the United States Environmental Protection Agency herein EPA and Harbor Freight Tools herein
30. s a hazardous situation which if not avoided will result in death or serious injury AWARN N G Indicates a hazardous situation which if not avoided could result in death or serious injury SAFETY Indicates a hazardous situation which if not avoided A CAUTION could result in minor or moderate injury NOTICE CAUTION Safety Warnings Symbol Definitions Symbol Property or Statement ymbol Property or Statement Revolutions Per Minute WARNING marking concerning Risk of Hearing Loss Wear hearing protection Risk of Respiratory Injury WARNING marking concerning Risk Operate engine OUTSIDE and far away of Eye Injury Wear ANSI approved iet ith side shield from windows doors and vents Sando pl WIU SIUS SETS WARNING marking concerning Risk of Fire while handling fuel Read the manual before set up and or use Do not smoke while handling fuel Addresses practices not related to personal injury WARNING marking concerning Risk of Fire Do not refuel while operating Keep flammable objects away from engine 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
31. should attempt these solutions Page 8 For technical questions please call 1 800 520 0882 5 Use hardened stainless steel Bolts Lock Washers and Washers not included of appropriate length and diameter to secure the Engine to the mower Make sure the hardware will not contact moving parts during operation 6 Insert the mower s brake cable sheath through the hole in the Brake bracket Secure the mower brake cable to the brake arm Adjust the brake cable sheath to remove all slack and secure it in place using the adjusting nuts on the cable sheath as shown in the illustration below THE ENGINE BRAKE IS FOR EMERGENCY SHUTOFF DO NOT REPLACE THE BRAKE SPRING WITH A WEAKER SPRING If operating the engine brake is too difficult a qualified technician must install a different brake handle on the mower Note The brake cable on some mowers may need to be adjusted in a different manner Install according to mower manufacturer s instructions Throttle Control Cable Throttle Cable Bracket 7 Attach the end of the mower s Throttle Cable to the Throttle Control Use the Bracket and Bolt to secure its sheath in place as shown above 8 Referto the mower s service manual for instructions on how to properly attach a belt drive pulley chain drive gear etc onto the output shaft of the Engine REV 11f Vertical Engine Operation Read the ENTIRE IMPORTANT SAFETY INFORMATION section at the beginning of this
32. ticks The mower may be difficult to start on grass 1 Press the Priming Bulb 2 3 times to prime the engine 2 Adjust the Mower s Throttle control to full throttle Note Location operation and design of the Throttle control will vary from manufacturer to manufacturer le m gt le zZ 3 Hold the mower s brake handle closed Page 10 For technical questions please call 1 800 520 0882 Vertical Engine 4 Grip the Starter Handle of the Engine loosely and pull it gently until resistance is felt Allow Cable to retract fully and then pull it quickly Repeat until the engine starts Note Do not let the Starter Handle snap back against the engine Hold it as it recoils so it doesn t hit the engine 5 Allow the Engine to run for several seconds Then the Mower s Throttle control can be adjusted as desired for operation IMPORTANT Allow the engine to run at no load for a minute or two with no load after each start up so that the engine can stabilize 6 Break in Period a Breaking in the engine will help to ensure proper equipment and engine operation b The operational break in period will last about 3 hours of use During this period Do not apply a heavy load to the equipment c The maintenance break in period will last about 20 hours of use After this period Change the engine oil Under normal operating conditions subsequent maintenance follows the schedule explained in the M
33. tuck Spark plug cap loose Incorrect spark plug gap or damaged spark plug Defective spark plug cap Old or low quality gasoline Incorrect compression For technical questions please call 1 800 520 0882 IGNITION SPARK RELATED 1 Clean spark plug Correct spark plug gap Replace spark plug cap Have qualified technician diagnose Connect spark plug cap properly repair ignition system COMPRESSION RELATED 1 Check wire connections Re gap or replace spark plug Replace spark plug cap Use only fresh 87 octane Diagnose and repair compression 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 replace head gasket Have qualified technician diagnose repair ignition system unleaded gasoline Use Engine will not start COMPRESSION RELATED section MAINTENANCE Page 15 m gt Z O m Possible Causes Probable Solutions Engine stops suddenly Engine stops when under heavy load Engine knocks Engine backfires Low oil shutdown Fuel tank empty or full of impure or low quality gasoline Defective fuel tank cap creating vacuum preventing proper fuel flow 4 Faulty magneto Dis
34. uded to the end of the spark plug and reattach the wire securely c After all fuel has drained reinstall the drain bolt Tighten securely 3 LUBRICATION a Change engine oil b Clean out area around spark plug Remove spark plug and pour one tablespoon of engine oil into cylinder through spark plug hole c Replace spark plug but leave spark plug cap disconnected d Pull Starter Handle 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 4 STORAGE AREA Cover and store in a dry level well ventilated area out of reach of children Storage area should also be away from ignition sources such as water heaters clothes dryers and furnaces 5 AFTER STORAGE Before starting the engine after storage 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 fuel stabilizer s recommended time period or if the engine does not start properly Vertical Engine Troubleshooting Possible Causes Probable Solutions Engine will not start MOWER ENGINE SPECIFIC Engine misfires Follow all safety precautions whenever diagnosing or servicing the equipment or engine Vertical Engine 1 Brake Handle not held or brake cable not connected properly 2 Mower on to
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