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9 HP ride-on trencHer - Harbor Freight Tools

1. u Bolt 6x12 C Weight Pin C Shaft Arm Shaft 2 6 8 2 4 5 6 7 8 9 0 Drain Plug Governor Assembly Oil Alarm lt Note When ordering replacement parts from this diagram the suffix must includ ed in order to get the correct part Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts SKU 65162 For technical questions please call 1 800 444 3353 Page 28 CRANK CASE COVER PARTS LIST AND DIAGRAM 2 2 GssetCaseGwer j OO oo Note When ordering replacement parts from this diagram use the suffix D Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts SKU 65162 For technical questions please call 1 800 444 3353 Page 29 CRANKSHAFT PISTON PARTS LIST 4 DIAGRAM fo a gg nmmgGea 1 _ gg oimm 2 1 1 Note When ordering replacement parts from this diagram use the suffix E Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts SKU 65162 For technical questions please call 1 800 444 3353 Page
2. N Cup Gasket TI r 1 2 3 4 5 6 T 8 9 1 Part 3 4 6 I 80 10 __ J J J J J J J J J 0 1 2 4 3 5 6 7 J J J J J J J 8 20 Seting Pate f 214 22 23 24 Choke Lever Assembly 25 Choke Lever ______ Note When ordering replacement parts from this diagram use the suffix J SKU 65162 For technical questions please call 1 800 444 3353 Page 34 ___FLYWHEEL COIL ASSEMBLY PARTS LIST amp DIAGRAM Qty Note When ordering replacement parts from this diagram use the suffix Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts SKU 65162 For technical questions please call 1 800 444 3353 Page 35 CONTROL SYSTEM PARTS LIST amp DIAGRAM 12 TaM 14 5 Ssewsas 16V 17 2M Governor Spring 4M Governor Arm 18M Screw 5x25 19M Back Plate 8 Control Assembly Fixing Plate 2M 3M 4M 5M aM 7M 8M oM 5 EE OPE 1 Note When ordering replacement parts from this diagram use the suffix Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts SKU 65162 For technical questions please call 1 800 444 3353 Page 36 AIR CLEANER PARTS LIST 4 DIAGRAM
3. 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 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 2 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 1 800 520 0882 3 Consequential Damages Coverage Coverage under this warranty shall also extend to the failure of any engine components caused by the failur
4. Engine Oil Change AXCAUTION Oil is very hot during operation and can cause burns Wait for engine to cool before changing oil 1 Place a drain pan not included underneath the crankcase s drain plug 2 Remove the drain plug and drain the oil out Recycle used oil Replace the drain plug and tighten it Refill the oil to the proper level following the instructions under the Starting the Engine section Air Filter Element Maintenance 1 The air cleaner cover is held in place by a wing nut or clamps Remove it 2 Remove the air filter element Cleaning a 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 reasonably clean replace it REV 09b 09f Page 19 4 b 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 oll Install the new filter or the cleaned filler Secure the Air Cleaner Cover before use Spark Plug Maintenance SKU 65162 Disconnect spark plug wire from end of plug Clean out debris from around spark plug Using a spark plug wrench remove
5. and the area around it 1 To Check the fuel level unscrew and remove the Fuel Filler Cap 2 Mix fuel stabilizer not included with 86 octane or better unleaded SKU 65162 For technical questions please call 1 800 444 3353 gasoline according to fuel stabilizer directions 3 Fill the Fuel Tank to about 1 inch under the lip of the gasoline tank with the stabilized unleaded gasoline mixture 4 Then replace the Fuel Filler Cap Start Procedure Before starting the engine a Follow the Set Up Instructions 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 that follows 1 Turn the fuel valve lever to its OPEN position 2 the ignition switch to its ON or RUN position 3 Then turn the engine choke lever to its CHOKE position Set the choke lever in the RUN position when starting a warm engine 4 Grasp the starter handle 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 Once again while holding the handle allow the rope to rewind slowly Repeat as necessary until the engine starts Page 14 5 After the engine starts and warms up slowly move the choke lever to its position 6 IMPORTANT Allow the engine t
6. 3 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 4 Wear ANSI approved safety goggles heavy duty work gloves and dust mask respirator during service 5 Maintain labels and nameplates on the equipment These carry important information If unreadable or missing contact Harbor Freight Tools for a replacement 280cc Engine For technical questions please call 1 800 520 0882 27 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 28 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 6 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 7 Store equipment out of the reach of children 8 Follow scheduled engine and equipment maintenance Refueling 1 Do not smoke
7. 1 Remove the air filter cover and the air filter elements 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 280cc Engine Spark Plug Maintenance 1 Disconnect spark plug cap from end of plug Clean out debris from around spark plug N Using a 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 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 The
8. Keep children and observers 20 feet away from the equipment while it is operating 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 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 interference or pacemaker failure Caution 15 necessary when near the 5 magneto or recoil starter Use only accessories that are recommended by Harbor Freight 10 11 12 13 14 For technical questions please call 1 800 444 3353 Tools for your model Accessories that may be suitable for one piece of equipment may become hazardous when used on another piece of equipment Stay alert watch what you are doing and use common sense when operating a piece of equipment Do not use a piece of equipment while tired or under the influence of drugs alcohol or medication Do not overreach Keep proper balance at all times This enables better control of the equipment in unexpected situations 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 Parts of the equipment especially exhaust system components get very hot d
9. SKU 65162 For technical questions please call 1 800 444 3353 Page 22 Troubleshooting Possible Causes Probable Solutions FUEL RELATED Engine will not start SKU 65162 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 1 Spark plug wire not connected securely Spark plug electrode wet or dirty Incorrect spark plug gap Spark plug wire broken Incorrect spark timing or faulty ignition system COMPRESSION RELATED 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 misadjusted or stuck FUEL RELATED Fill fuel tank and open fuel valve Move choke to start position if engine is cold Use only fresh 86 octane unleaded gasoline Prime carburetor by pressing priming bulb if equipped Clean out passageways using fuel additive Heavy deposits may require further cleaning Gently tap side of
10. 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 UNPACKING When unpacking check to make sure that the item is intact and undamaged any parts are missing or broken please call SKU 65162 For technical questions Harbor Freight Tools at the number shown on the cover of this manual as soon as possible SET UP INSTRUCTIONS Read the ENTIRE IMPORTANT A SAFETY INFORMATION section at the beginning of this manual including all text under subheadings therein before set up or use of this product Risk of accidental AWARNING starting resulting in serious personal injury Turn the Power Switch of the equipment to its OFF position wait for the engine to cool and unplug the spark plug wire s before assembling or making any adjustments to the equipment Note For additional information regarding the parts listed in the following pages refer to the Assembly Diagram near the end of this manual Assembly 1 This equipment has a spark arresting muffler A spark arresting muffler is required by law in California on some US Forest Service land and possibly in other areas or situations 2 Dueto the size of the Trencher and its components assistance may be required during the entire assembly process 3 Use jacks not included to evenly
11. Low oil shutdown Fuel tank empty or full of impure or low quality gasoline Defective fuel tank cap creating vacuum preventing proper fuel flow Faulty magneto Disconnected 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 4 Incorrect timing For technical questions please call 1 800 520 0882 Have qualified technician Check engine timing Check wire connections Re gap or replace spark plug Replace spark plug cap Use fresh 87 octane unleaded gasoline only Do not use gasoline with more than 10 ethanol E15 E20 E85 etc Diagnose and repair compression Use Engine will not start COMPRESSION RELATED section Fill engine oil to proper level Check engine oil before EVERY use Fill fuel tank with fresh 87 octane unleaded gasoline only Do not use gasoline with more than 10 ethanol E15 E20 E85 etc Test replace fuel tank cap 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 only Do not use gasol
12. equipment during operation Keep the equipment engine and surrounding area clean at all times Use the equipment accessories etc in accordance with these 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 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 280cc Engine 25 When spills of fuel or 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 26 Keep hands and feet away from moving parts Do not reach over or across equipment while operating Service Precautions 1 Before service maintenance or cleaning a Turn the engine switch to its OFF position b Allow the engine to completely cool c Then remove the spark plug cap from the spark plug 2 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
13. or allow sparks flames or other sources of ignition around the equipment especially when refuelling 2 Do not refill the fuel tank while the engine is running or hot 3 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 SAVE THESE INSTRUCTIONS Page 5 gt LL 9 Engine Controls Air Filter Fuel Cap D Starter Muffler gt Number Location Write near assembly diagram in manual Page 6 For technical questions please call 1 800 520 0882 280cc Engine 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 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
14. 112 215 QD 20 gt 2 2 2 z m m r mymim 2 2 2 2 2 gt 2 Eal gt lt gt gt 9 MIO 22 2 gt gt 912 gt gt lt alL 110 12 Q ol I gt 2 gt 20 2 0 lt Sl FSI 2 gt 2 9 29 a m z o m m oljo 2 m o 9 r 2 2 gt lt lt 2 2 2 12 0 5 Izolo 51912 2 lt lt lt 0 g 2 2 O 212 4 gim o ololah S 2 20 2 02 gt pS ela je 5 CIO r 1 eo 2 2 2 2 Co D m lt lt lt 5 OIO 2 lt lt XIXIZIOol 270 52 lt x o n 2 z z iz 2 12 ojoj 6 zz z z o x mlalo zZ wo Z OJO z 2 7 7 c U D 2 o rs lt gt 9 8 8 NE ES 6 For technical questions please call 1 800 444 3353 HAIR PIN CLIP 1 8 1 3 4 53 LUG NUT 54 OUTLET HOSE 55 CLAMP 56 SAFETY CHAIN 57 3 8 58 COUPLER 59 NUT 4 HEX HD BOLT 3
15. 8 2 3 4 61 HEX HD BOLT3 8 3 1 2 62 90 DEG ELBOW FITTING NO 3 PUMP KEY COUPING PUMP SIDE HEX SCREW 70 MOUNTING BRACKET PUMP 71 ENGINE KEY 72 HEX HD BOLT 5 16 1 3 4 3 SEAT 78 79 81 HEX HD BOLT 5 8 4 3 4 LOCK PIN 2 WASHER 5 8 86 HEXHD BOLT 5 16 1 1 8 RING SEAL 89 OILPLUGR3 8 1 FRAME ASSEMBLY CLEVIS PIN NO 3 67 82 83 84 85 91 92 93 94 95 PIVOT PIN BUSHING SNAP SPRING SPRING WASHER 1 4 97 HEXHD BOLT 1 4 1 2 98 SPRINGHAIRPINCLIP 1 99 SPIDER 1 REV 09b 097 09i gt I m 25 GENERAL ASSEMBLY DIAGRAM 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 available individually as replacement parts REV O9f SKU 65162 For technical questions please call 1 800 444 3353 Page 26 CYLINDER HEAD PARTS LIST amp DIAGRAM 178 Cylinder Head Note When ordering replacement parts from this diagram the B suffix must be includ ed in order to get the correct part Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts SKU 65162 For technical questions please call 1 800 444 3353 Page 2 CRANK CASE PARTS LIST amp DIAGRAM 136 5
16. Apply dielectric spark plug boot protector not included to the end of the spark plug and reattach the wire securely d Open the fuel valve After all fuel has drained reinstall the drain bolt and sediment cup Tighten securely 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 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 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 gt 13 gt 2 2 gt 2 m Troubleshooting Engine will not start FUEL RELATED No fuel in tank or fuel valve closed Choke not in CHOKE position cold engine Gasoline wi
17. 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 li Air cleaner 3 Ignition System i Spark plug li Magneto ignition system 4 Catalyst System if so equipped i X 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 li Hoses belts connectors and assemblies Page 41 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 ES 280cc i Horizontal Engine 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 13a Email our t
18. IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER 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 65162 For technical questions please call 1 800 444 3353 Page 24 SKU 65162 PARTS LIST PART DESCRIPTION 1 NUT 3 8 1 1 8 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 47 48 HEX HD BOLT 5 16 3 4 49 50 RIGHT CYLINDER BUSHING 6 2 5 16 MAIN BOOM SPRING 11 LEFT gt giL gt 2 x ig UJ 2 e 2 m 0 lt I r miz o sx o r rj e c zjoje rc o r ejojlojlojoj ej rc o rz rz ncimirzirzie o rimi o m ojoj r r oj r si oj o 5 gt Iolo 0 2 210 o gt lt 0
19. Note When ordering replacement parts from this diagram use the suffix N Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts SKU 65162 For technical questions please call 1 800 444 3353 Page 3 MUFFLER PARTS LIST amp DIAGRAM 4 8p MufterAssemby PSS Muffer Case c Note When ordering replacement parts from this diagram use the suffix P Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts SKU 65162 For technical questions please call 1 800 444 3353 Page 38 FUEL TANK PARTS LIST amp DIAGRAM Qty GR 1 Note When ordering replacement parts from this diagram use the suffix R Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts SKU 65162 For technical questions please call 1 800 444 3353 Page 39 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 d
20. PREVENT SERIOUS INJURY FROM ACCIDENTAL STARTING Turn the Power Switch of the equipment to its OFF position 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 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 regular checks and maintenance explained as part of the regular operation of the engine and equipment Monthly or Yearly or Procedure Before every 20 Every 3 Every 6 or 300 Each Use 50 hr of use 100 hr of use 2 Years hr 7 use hr 7 use Brush off outside of engine SIS Check engine oil level E Check air cleaner lt Check deposit cup Change engine oil ES Clean replace air cleaner Check and clean spark plug Check adju
21. can cause particles to enter the carburetor effecting engine performance and or causing damage 4 Then replace the Fuel o 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 AA 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 and is level 2 Close the Fuel Valve 3 Place a drain pan not included underneath the crankcase s drain plug 4 Remove the drain plug and if possible tilt the crankcase slightly to help drain the oil out Recycle used oil 5 Replace the drain plug and tighten it Clean the top of the Dipstick and the area around it Remove the Dipstick by threading it counterclockwise and wipe it off with a clean lint free rag Page 12 For technical questions please call 1 800 520 0882 Full level Full level 7 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 Grades 30 EN 10W 30 Average outdoor temperature 8 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
22. 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 SERVICE PRECAUTIONS Before service maintenance or cleaning a Turn the engine switch to its OFF position b Allow the engine to completely cool c Then remove the spark plug wire s from the spark plug s Keep all safety guards in place and proper working order Safety dd p For technical questions please call 1 800 444 3353 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 steel toe work boots dust mask respirator and hard hat during use and service Do not allow the hydraulic hose to come in contact with any hot part of the unit The hose might be damaged possibly causing it to burst or leak under high pressure 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 main
23. empty or full of impure or low quality gasoline Defective fuel tank cap creating vacuum preventing proper fuel flow Faulty magneto 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 Bleed hydraulic system Replace hydraulic filter celan strainer Tighten replace hose Check wire connections Re gap or replace spark plug Replace spark plug wire Use only fresh 86 octane unleaded gasoline Diagnose and repair compression Fill engine oil to proper level Check engine oil before EVERY use Fill fuel tank with fresh 86 octane unleaded gasoline Test replace fuel tank cap Have qualified technician service magneto Fill fuel tank with fresh 86 octane unleaded gasoline Do not exceed equipments load rating Have qualified technician diagnose and service engine Fill fuel tank with fresh 86 octane unleaded gasoline Use cold weather fuel and oil additives to prevent backfiring Have qualified technician diagnose and service engine Follow all safety precautions whenever diagnosing or servicing the equipment or engine PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM
24. hitch ball See illustration below Temporarily remove the R Pin and Safety Pin Then pull up on the Trigger and lift up on the Handle 22 For technical questions please call 1 800 444 3353 Coupler 58 Place the Hitch Coupler 58 over the vehicle s hitch ball pull the trigger push down on the Handle and release the Trigger making sure it locks in the slot Pull up and down on the Coupler to make sure the hitch ball is fitting snugly in the Coupler There should be no play between the hitch ball and Coupler If there is play tighten the Adjustment Nut until no play is present If the Adjustment Nut is too tight the Handle will not lock WARNING the Hitch Coupler is not secured properly the ball could come loose while the Trencher is in motion 17 possibly causing property damage SERIOUS PERSONAL INJURY Trigger Hitch Ball Not Included 23 Make sure to attach each side of the Safety Chain 56 equally to the towing vehicle s rear bumper or frame 24 CAUTION Care must be taken when backing up the Trencher Only back up the Trencher on a straight path If the Trencher is allowed to turn off the straight path while backing up the Trencher could jackknife causing severe damage to the Trencher and to the towing vehicle 25 prevent accidents turn off the engine wait for it to cool and disconnect its spark plug wire after use Clean external parts wi
25. shown above o If the oil level is at or below the low mark add the appropriate type of oil until the oil level is at the proper level SAE 10W 30 oil is recommended for general use The SAE Viscosity Grade chart on page 12 in the Service section shows other viscosities to use in different average temperatures 6 Thread the dipstick back in clockwise Starting the Engine Before Starting the 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 CAUTION Do not run the engine with too little oil The engine will be permanently damaged Checking and Filling Fuel AWARNING TO PREVENT SERIOUS INJURY FROM FIRE Fill 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 adding fuel 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 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 can cause particles to enter the carburetor effecting engine performance and or causing damage 4 Then replac
26. the spark plug Inspect the spark plug If the electrode is oily clean it using 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 When installing a new spark plug adjust the plug s gap to the specification on the Technical specification chart Do not pry against the electrode the spark plug can be damaged Install the spark plug into the engine Gasket style Finger tighten until the gasket contacts the cylinder head then turn about 1 2 2 3 more Non gasket style Finger tighten until the plug contacts the head then turn about 1 16 more Apply dielectric spark plug boot protector not included to the end of For technical questions please call 1 800 444 3353 the spark plug and reattach the wire securely Fuel Filter Replacement if equipped AWARNING RISK OF FIRE OR EXPLOSION Replace the fuel filter in a well ventilated area away from ignition sources Do not smoke Wait for engine to cool before proceeding Wear protective gear including ANSI approved safety goggles NIOSH approved dust mask respirator and nitrile gloves Wipe Fuel Cap and top of Fuel Tank Remove Fuel Filter 6R Reattach Fuel Cap to prevent debris from entering into Gas Tank Remove Buel Strainer Wash with warm water and light detergent Flush and let dry Reinstall in the Gas Tank Cle
27. 1 AFTER EVERY 50 OPERATION HOUR S 21 100 OPERATION HOURS 21 AFTER EVERY 300 OPERATION HOURS 21 PERIODICALLY 21 STORAGE 21 LUBRICATION POINTS 22 TROUBLESHOOTING 23 PARTS LIS Tesi 25 GENERAL ASSEMBLY DIAGRAM 26 CYLINDER HEAD PARTS LIST amp DIAGRAM 21 CRANK CASE PARTS LIST 4 DIAGRAM 28 5 LIST AND DIAGRAM 29 CRANKSHAFT PISTON PARTS LIST amp DIAGRAM 30 GAS DISTRIBUTION ADJUSTMENT SYSTEM PARTS LIST amp DIAGRAM 31 STARTER SUBASSEMBLY PARTS LIST amp DIAGRAM 32 DIVERSION ASSEMBLY PARTS LIST amp DIAGRAM 33 Page 2 CARBURETOR PARTS LIST 4 DIAGRAM 34 FLYWHEEL COIL ASSEMBLY PARTS LIST amp DIAGRAM 35 CONTROL SYSTEM PARTS LIST amp DIAGRAM 36 AIR CLEANER PARTS LIST amp DIAGRAM 37 MUFFLER PARTS LIST amp DIAGRAM 38 FUEL TANK PARTS LIST amp DIAGRAM 39 LIMITED 1 YEAR 90 DAY WARRANTY 40 EMISSION CONTROL SYSTEM WARRANTY
28. 2 through the bottom hole and Clevis Pin No 1 29 through the upper hole Secure both pins with Hair Pin Clip 31 Pin 42 requires one Cotter pin on each end See photo above right For technical questions please call 1 800 444 3353 Boom Clevis Pin Pivot 38 No 1 29 a _ Main Boom 36 s gt 4 fa 7 x gt M coc 10 Mount the Boom Extension 34 to the Main Boom 36 using the Pin 42 left and Clevis Pin No 1 29 top Secure both pins with Hair Pin Clip 31 11 Attach the Hitch Coupler 58 to the Frame Assembly 90 under the Engine 74 using Hex Bolts 75 and Hex HD Bolt 72 12 Connect tighten and check all hydraulic hose fittings to the proper connections as shown in the Hose Connection Diagram Hoses and fittings are numbered Tighten all fittings 13 Open the Hydraulic Fluid Fill Plug 11 Top off the Hydraulic Fluid Reservoir with high quality hydraulic fluid Check that the Fluid level is between the lines on the attached Dipstick Close the Hydraulic Fluid Fill Plug securely Attaching the Leg Assembly To use the Trencher the Leg Assemblies must be installed next to the Boom 36 and the Wheels and Axles 50 moved to the rear Seri Page 10 Hose Connection Diagram Hydraulic Fluid Hydraulic VIEW FROM UNDERNEATH Rese
29. 30 GAS DISTRIBUTION ADJUSTMENT SYSTEM PARTS LIST 4 DIAGRAM i Qty 14F 15F 16F 1 18F 19F opring Pin 2F 3F 4F 5F 8F oF Note When ordering replacement parts from this diagram use the suffix Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts SKU 65162 For technical questions please call 1 800 444 3353 Page 31 STARTER SUBASSEMBLY PARTS LIST amp DIAGRAM ReunSpms Starter Spring RecoiSterKmb E Stop Switch Assembly c Note When ordering replacement parts from this diagram use the suffix Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts SKU 65162 For technical questions please call 1 800 444 3353 Page 32 DIVERSION ASSEMBLY PARTS LIST amp DIAGRAM Qty Note When ordering replacement parts from this diagram use the suffix Note Some parts are listed and shown for illustration purposes only and are not avail able individually as replacement parts SKU 65162 For technical questions please call 1 800 444 3353 Page 33 CARBURETOR PARTS LIST amp DIAGRAM Part Qty Carburetor Assembly ____ Carburetor 1 Main Nozzle Float Vee valve Set Spring Fox
30. 40 SKU 65162 For technical questions please call 1 800 444 3353 Page 3 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 IMPORTANT SAFETY INFORMATION In this manual on the labeling and all other information provided with this 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 ADANGER 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 65162 For technical questions please call 1 800 444 3353 NOTICE is used to address practices NOTICE 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 Fai
31. Greyhound 9 HP RIDE ON TRENCHER SET UP OPERATING AND SERVICING INSTRUCTIONS WARNING IMPORTANT INFORMATION The Hitch Coupler MUST be properly secured to the hitch ball of the towing vehicle After assembly and attachment pull up and down on the Hitch Coupler to make sure the hitch ball is fitting snugly in the Hitch Coupler There must be no play between the hitch ball and Hitch Coupler If there is play tighten the Adjustment Nut until no play is present If the Adjustment Nut is too tight the Handle will not lock Carefully read and follow the complete instructions in this manual BEFORE setup or use If the Coupler is not secured properly the ball could come loose while the Log Splitter is in motion possibly causing property damage SERIOUS PERSONAL INJURY or DEATH 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 Tools required for assembly and service may not be included For technica
32. I 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 the 5 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 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 Parts especially exhaust system components get very hot during use Stay clear of hot parts Do not cover the engine or
33. S EXPRESS OR IMPLIED INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS Page 16 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 3491 Mission Oaks Blvd PO Box 6009 Camarillo CA 93011 800 520 0882 280cc Engine Emission Control System Warranty United States Emission Control Defects 4 Warranty Statement 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 2013 and later Small Off Road Engine herein engine Within the United States new off road spark ignition engines certified for model year 2013 and later must be designed built and equipped to me
34. age 19 2 lt gt TT lt Mounting Hole Diagram Note Not to scale 7 7 in 195 5mm 4 13 105mm lt 6 741975 8 UG PT TUTE TEL Power Take Off Diagram Note Not to scale SNB 02 2 in 56mm Zu 1 25 4mm Lum 21 S N PREDATOR ENGINES 3491 Mission Oaks Blvd PO Box 6009 Camarillo CA 93011 800 520 0882 www harborfreight com
35. ake 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 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 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 inconvenie
36. aning 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 procedures are in addition to the regular checks and maintenance explained as part of the regular Page 20 operation of the engine and equipment After 20 Operation Hour Break in Period a Change engine After Every 25 Operation Hours a Clean replace air filter element b Inspect clean spark plug c Blow out water filters After Every 50 Operation Hours a Change engine b Replace fuel filter if equipped After Every 100 Operation Hours a Replace spark plug b Replace air filter element Note All maintenance procedures scheduled for 25 50 and 100 operation hours should be performed at least yearly After Every 300 Operation Hours a Clean fuel tank and carburetor b Clean carbon build up from combustion chamber Periodically 1 Periodically apply grease to all boom axis movement points using a grease gun at the points shown in the illustration on the next page Storage 1 Wait for engine to cool then clean engine with clean cloth SKU 65162 For technical questions pleas
37. carburetor float chamber with screwdriver handle Turn Fuel Valve to its off position 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 Connect spark plug wire properly Clean spark plug Correct spark plug gap Replace spark plug wire Have qualified technician diagnose repair ignition system COMPRESSION RELATED 1 For technical questions please call 1 800 444 3353 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 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 Page 23 Troubleshooting Possible Causes Probable Solutions Trencher loses performance Engine misfires Engine stops suddenly Engine knocks Engine backfires Mushy hydraulic operation Oil Leaks Spark plug wire loose Incorrect spark plug gap or damaged spark plug Defective spark plug wire Old or low quality gasoline Incorrect compression Low oil shutdown Fuel tank
38. cedure for the right side Raise Bucket Assembly again to lower onto Leg Assembly and turn Engine off Using a jack and jack stands not included raise up the engine end of the trencher and disconnect from the towing hitch Slide the Wheels and Axles 50 into the engine end of the Frame 90 Secure each axle with Lock Pin No 2 82 Purging the Cylinder Remove all Safety Locking Pins 15 disengage the Safety Latch 41 and loosen Hydraulic Tank Fill Plug 11 Press forward on the Boom Swing Lever located on Control Panel 9 until the Boom stops moving then pull back on it until it moves in the other direction Center the Boom 3 Press forward on the Main Boom Lever until the Main Boom is fully raised Then press Forward on the Boom Extension Lever until the Boom is fully extended 4 Press forward on the Bucket Lever until the bucket is fully extended Pull back on the lever to retract it fully 5 Pull back on the Boom Extension Lever until the Boom is pulled back all the way Pull back on the Main Boom Lever until the Main Boom is lowered completely 6 Adjust the boom back to its rest position and replace all locking devices 7 Shutoff the Engine check the Hydraulic Fluid level and refill as necessary 8 Note The Fill Plug is vented When tightening the Fill Plug tighten it securely then back it off slightly OPERATING INSTRUCTIONS Read the ENTIRE IMPORTANT A SAFETY INFORMATION sect
39. ckwise Shaft 1 x 3 5 Shaft 1 4 6 3 mm End Tapped 7 16 20 F6TC Torch Spark PI 07 08 mm Valve Clearance 0 10 0 15 mm 0 15 0 20 mm Speed ____ 1 800 50 RPM Page 2 For technical questions please call 1 800 520 0882 280cc 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 ap Ne ER Indicates a hazardous situation which if not avoided will result in death or serious injury A WARN Indicates a hazardous situation which if not avoided could result in death or serious injury SAFETY Indicates a hazardous situation which if not avoided ACAUTION could result in minor or moderate injury NOTICE CAUTION Addresses practices not related to personal injury Symbol Definitions Property or Statement WARNING marking concerning Operate engine OUTSIDE and far away from windows doors and vents WARNING marking concerning WARNING marking concerning Risk of Eye Injury Wear ANSI approved MAE Pts Do not smoke while handling fuel safety goggles with side shields WARNING marking concerning Read the manual before Risk of Fire set up and or use Do not refuel while operating Keep flammable objects WARNING marking concerning away from engine Risk of Hearing Loss Wear hearing protect
40. e call 1 800 444 3353 When the equipment is to remain idle for longer than 20 days prepare the engine for storage as follows Change engine oil and empty fuel tank Either leave fuel tank empty or refill fuel tank with fresh unleaded gasoline mixed with a fuel stabilizer intended for long term engine storage not included After filling run engine for about 5 10 minutes to circulate the treated gasoline through the carburetor Wait for engine to cool before proceeding Clean out area around spark plug Remove spark plug and pour one tablespoon of engine oil into cylinder through spark plug hole Replace spark plug but leave spark plug wire disconnected Pull recoil starter to distribute oil in cylinder Pull one full length of Recoil Starter Rope Disconnect battery cables if equipped Apply a thin coat of rust preventive oil to all metal parts Cover and store in a dry well ventilated area out of reach of children 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 Page 21 Lubrication Points 15 16 on back of Boom Pivot 38 on side of both Hubs 13 14 behind tires 1 at ends of Main Boom 36
41. e of any warranted part while it is still covered under this warranty 280cc Engine 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 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 requir
42. e 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 Before starting the engine A a Follow the Set Up Instructions in the equipment manual to prepare the equipment Inspect the equipment and engine b 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 Page 8 For technical questions please call 1 800 520 0882 280cc Engine Manual Start 1 To start cold engine move the Choke to the CHOKE position To restart a warm engine leave the Choke in the RUN position 2 Open the Fuel Valve 3 Slide the Throttle or Speed Control Lever to 1 3 away from the SLOW position the turtle Note Some tools have a Speed Control Lever located elsewhere on the tool which functions the same as the Throttle Use the Speed Control Lever in place of the Throttle when the tool is so equipped OPERATION 4 Turn the Engine Switch on M OFF ON 5 Grip the Starter Handle of the Engine loosely and pull it slowly several times to allow the gasoline to flow into the Engine s carburetor Then pull the Starter Handle 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 reco
43. echnical support at predator harborfreight com When unpacking make sure that the product is intact and undamaged If any parts are missing or broken A WARN G please call 1 800 520 0882 as soon as possible Copyright 2011 by Harbor Freight Tools All rights reserved 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 improvements actual product may differ slightly from the product described herein SAVE THIS MANUAL Tools required for assembly and service may not be included Table of Contents SPECIFICATIONS 2 Maintenance 11 vise 3 Troubleshooting 14 Id m ae T Warranty Information 16 ero T 8 Parts List and Diagram 18 o gt TI m Specifications En Type SAE 10W 30 above 32 F Engine Oil oW30 at 32 F or below Capacity 1 16 Quart Run Time 50 Load Sound Level 106 dB Bore x Stroke 78 mm x 58 mm Compression Ratio Rotation viewed from PTO power takeoff the output shaft Counterclo
44. ed 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 li XAir fuel ratio feedback and control system iii Cold start enrichment system iv Fuel Tank 2 Air Induction System i Controlled hot air intake system ii Intake manifold iii Air filter 3 Ignition System i Spark Plugs ii Magneto or electronic ignition system iii Spark advance retard system 4 Exhaust Gas Recirculation EGR System if so equipped i EGR valve body and carburetor spacer ii rate feedback and control system 5 Air Injection System i X Air pump or pulse valve ii Valves affecting distribution of flow iii Distribution manifold 6 Catalyst or Thermal Reactor System if so equipped i Catalytic converter li Thermal reactor iii Exhaust manifold 7 Particulate Controls Traps filters precipitators and any other device used to capture particulate emissions gt 17 gt 2 2 gt 2 m Parts L
45. efects 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 of 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 65162 For technical questions please call 1 800 444 3353 the purchase price if we cannot readily and quic
46. enic and chromium from chemically treated lumber Your risk from these exposures varies depending on how often you For technical questions please call 1 800 444 3353 do this type of work To reduce your exposure to these chemicals work in a well ventilated area and work with approved safety equipment such as those dust masks that are specially designed to filter out microscopic particles California Health amp Safety Code 8 25249 5 et seq Never place your hands or body near a hydraulic fluid leak High pressure fluid can be forced under the skin resulting in serious injury Do not exceed 30 MPH when towing the Trencher Do not tow the Trencher on roads or highways This product is not D O T compliant and is not road legal SAVE THESE INSTRUCTIONS Page 7 BASIC SPECIFICATIONS m mo 86 octane unleaded Type Fuel gasoline Capacity 1 58 Gallons eo ete 10W 30 above 32 Engine Oil 5W30 at 32 F or below Tire Inflation 65 PSI Digging Depth 5 1 2 and 7 Feet Deep Note Additional specifications found in the TECHNICAL ENGINE SPECIFICATIONS chart in this manual The emission control system for this product 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
47. ention requirements At high altitudes the engine s carburetor governor if 50 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 WARNING DO NOT INSTALL THIS ENGINE ON A VEHICLE WARNING INSTALL THIS ENGINE ACCORDING TO EQUIPMENT INSTRUCTIONS BEFORE USE 280cc Engine For technical questions please call 1 800 520 0882 Page m gt 2 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 CAUTION Your Warranty is VOID if the engine s crankcase is 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 1 Make sure the engine is stopped and is level 2 Close the Fuel Valve 3 Clean the top of the Dipstick and the area around it Remove the Dipstick by threading it counterclockwise and wipe it off with a clean lint free rag Full level Full level 4 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 as
48. et 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 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 2013 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 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 6 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
49. h the Trencher across Lever control backward to raise the the ground Main Boom 36 12 WARNING This technique 4 Pull back on the Boom Extension can be difficult to control and handle control to raise the Boom should only be attempted by an Extension 34 experienced operator The stability of the Trencher is dependent on the stability of the ground if you choose 5 Push forward on the Bucket handle control to open the Bucket Assembly 32 to move the Trencher in this way do so at your own risk Do not use the 6 Push forward on the Boom handle Trencher near ditches or drop offs to lower the Boom until the Bucket reaches the ground owing the Bucket inward so that the front of the bucket not the scoop is 7 Pull back on the Bucket Lever control facing downward Press the Bucket until the Bucket scoops up the dirt down onto a solid piece of ground Pull back on both the Boom and and press down hard enough to raise Boom Extension control levers to the front legs off the ground raise the load 14 Carefully operate the controls to move the boom and slowly roll yourself in the desired direction Be certain that the Tires and the new resting places for the Legs all remain on solid stable ground 9 Press in or push out the Boom owing control levers to move the Bucket left or right Note The Boom s travel is 60 degrees left and 60 degrees right Controls operate by pushing in or pulling o
50. ils so it doesn t hit the engine 280cc Engine For technical questions please call 1 800 520 0882 Page 9 6 Allow the Engine to run for several seconds Then if the Choke Lever is in the CHOKE position move the Choke Lever very slowly to its RUN position Note Moving the Choke Lever too fast could stall the engine IMPORTANT Allow the engine to run at no load for five minutes with no load after each start up so that the engine can stabilize 7 Adjust the Throttle as needed 8 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 Do not operate the engine at its maximum speed 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 MAINTENANCE AND SERVICING section Stopping the Engine 1 To stop the engine in an emergency turn the Engine Switch off 2 Under normal conditions use the following procedure a Slide the Throttle or Speed Control Lever to SLOW turtle b Turn the Engine Switch off c Close the Fuel Valve O gt m gt 2 10 For technical questions please call 1 800 520 0882 280cc Engine Service AWARNING TO
51. ine with more than 10 ethanol E15 E20 E85 etc Do not exceed equipment s load rating Have qualified technician diagnose and service engine Fill fuel tank with fresh 87 octane unleaded gasoline only Do not use gasoline with more than 10 ethanol E15 E20 E85 etc Use cold weather fuel and oil additives to prevent backfiring diagnose and service engine lt lt gt 15 gt 2 2 gt 2 m Warranty Information 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 free 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 WARRANTIE
52. ion IMPORTANT SAFETY INSTRUCTIONS 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 flammable and 3 Operation of this equipment may create sparks potentially explosive Use proper fuel storage that can start fires around dry vegetation A spark and handling procedures Do not store fuel arrestor may be required The operator should or other flammable materials nearby contact local fire agencies for laws or regulations 2 Have multiple ABC class fire extinguishers nearby relating to fire prevention requirements 4 Setup and use only on flat level well ventilated surface 280cc Engine For technical questions please call 1 800 520 0882 Page 3 o gt m 9 Wear ANSI approved safety goggles heavy duty work gloves and dust mask respirator during set up Operating Precautions 1 Page 4 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 in
53. ion at the beginning of this manual including all text under subheadings therein before set up or use of this product Starting the Engine Inspect engine and equipment A looking for damaged loose and missing parts before set up and starting If any REV 089i For technical questions please call 1 800 444 3353 Page 12 ENGINE DIAGRAM OIL DRAIN PLUG OIL FILLER SKU 65162 For technical questions please call 1 800 444 3353 Page 13 problems found do not use equipment until fixed properly Checking Engine Oil Level CAUTION Your Warranty is VOID if the engine s crankcase is 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 1 Clean the Oil Filler Cap and the area around it 2 Remove the Oil Filler Cap Dipstick Read the engine service manual for the proper way to check the oil level 3 Ifthe oil level is low add the proper type and weight See information below Cil type 32 F or above SAE 10W 30 Below 32 F SAE 5W 30 4 Replace the Oil Filler Cap CAUTION Do not run the engine with too little or too much oil The engine will be permanently damaged Checking Fuel Level D WARNING To prevent fire shut the engine off and wait for it to cool before adding fuel Do not smoke 1 Clean the Fuel Filler
54. ist and Diagram Parts List Part Description _ Qty Stud Stud 2 Bin 2 D UJ e D D 0100 5 i Y 5 00 2 Arm Governor Dipstick Asm Oil Seal Oil 39 Piston Lo _ NN Lg 39 _ Part Description _ Qty Rocker Valve Nut Valve Adjusting Nut Valve Lock Bolt Valve Adjusting 60 Starter Asm Recoil 1 Switch Asm Stop Engine 66 Bott amp J 5 Carburetor Asm 68 Gasket AirCleaner 1 69 Gasket Carburetor 1 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 available individually as replacement parts Page 18 For technical questions please call 1 800 520 0882 Part Description __ Qty 80 Gasket Exhaust Outlet 1 86 j Shroud Muffer ___ 1 89 Strainer Fuel 1 90 CovenFuelTank 1 96 Valve OneWay 1 98 Hose AirCleanerRubber 1 99 Vapor 1 280cc Engine 26 280 A IU ee t v NN 1 SE For technical questions please call 1 800 520 0882 weibeig P
55. kly 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 PO Box 6009 Camarillo CA 93011 800 444 3353 EMISSION CONTROL SYSTEM WARRANTY California and United 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 belt
56. l questions or replacement parts please call 1 800 444 3353 Revised 11a 5 IMPORTANT SAFETY INFORMATION 4 SET UP PRECAUTIONS 4 OPERATING PRECAUTIONG 5 SERVICE PRECAUTIONS 6 REFUELING nenne 7 TRENCHER PRECAUTIONS 7 BASIC SPECIFICATIONS 8 8 SET UP INSTRUCTIONS 8 ASSEMBLY center 8 ATTACHING THE LEG ASSEMBLY 10 PURGING THE CYLINDER 12 OPERATING INSTRUCTIONS 12 STARTING THE ENGINE 12 CHECKING ENGINE OIL LEVEL 12 ENGINE DIAGRAM 13 CHECKING FUEL LEVEL 14 BREAK IN PERIOD 14 EQUIPMENT OPERATION 15 MOVING THE TRENCHER 16 TRANSPORTING THE TRENCHER 17 TECHNICAL SPECIFICATIONS 19 SERVICING 19 MAINTENANCE PROCEDURES 19 ENGINE OIL CHANGE 19 AIR FILTER ELEMENT MAINTENANCE 19 SPARK PLUG MAINTENANCE 20 FUEL FILTER REPLACEMENT IF EQUIPPED 20 SKU 65162 For technical questions please call 1 800 444 3353 CLEANING MAINTENANCE AND LUBRICATION SCHEDULE 21 AFTER 20 OPERATION HOUR BREAK IN PERIOD 21 AFTER EVERY 25 OPERATION HOURS 2
57. lure 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 flammable and potentially explosive Use proper fuel storage and handling procedures Do not store fuel or other flammable materials nearby 2 Have multiple ABC class fire extinguishers nearby This equipment has a spark arresting muffler included A spark arresting muffler is required by law in California on some US Forest service land and possibly in other areas or situations Set up and use only on a flat level well ventilated surface Page 4 SKU 65162 Wear ANSI approved safety goggles heavy duty work gloves and dust mask respirator during set up and use Use only oil and fuel recommended in the Specifications section of this manual PERATING PRECAUTION 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
58. nce 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 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 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
59. o run at no load for five minutes with no load after each start up so that the engine can stabilize Break in Period 1 Breaking in the engine will help to ensure proper equipment and engine operation 2 The operational break in period will last about 3 hours of use During this period Do not apply a heavy load to the equipment Do not operate the engine at its maximum speed 3 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 MAINTENANCE AND SERVICING section Equipment Operation 1 This Trencher can be used with two arm positions See illustrations to the right SKU 65162 For technical questions Shallow Position 5 downward reach Cylinder 26 Pin gt Main Boom 36 Deep Position 7 downward reach Cylinder 26 Pin Main Boom 36 REV 091 please call 1 800 444 3353 Page 15 2 While the of the boom is being 10 Press in on the Bucket control handle supported remove the Pin 29 align to dump the load the cylinder with the appropriate hole insert the Pin 29 and secure it with Moving the Trencher the Hair Pin Clip 31 11 One method for moving the trencher 3 With the Engine running sit in the around the work area is by using the Operator Seat 73 and pull the Boom Boom to pus
60. raise the Frame Assembly 90 amp support with jack stands not included REV 09b 091 please call 1 800 444 3353 Page 8 Bucket Assembly m gt Frame Assembly Engine Pump Cn Axle amp Hub Leg extension Leg Assembi SKU 65162 For technical questions please call 1 800 444 3353 Page 9 SKU 65162 Mount both Axles 50 near the boom end of the frame and secure with Lock Pins 82 Place a Tire 52 over the four studs on each Hub Secure the Tires to the Hubs using four Lug Nuts 53 per Tire The lug nuts must be snug Inflate the tires to 65 PSI Slightly raise the Jacks remove the Jack Stands then lower the Jacks Block the tires and tighten the Lug Nuts to at least 90 Ft Lbs Attach Seat 73 to the Seat Bottom Plate 10 and secure both Seat and Plate to the post on top of Hydraulic Oil Tank Attach the Control Support 3 to the Frame Assembly 90 using four Hex Bolts 81 NOTE The Hydraulics of this unit are tested before shipment There may be hydraulic fluid present in components Assemble the unit in an area that will not be damaged by leaking hydraulic fluid It is recommended that you wrap rags securely over the Hydraulic connectors on all the Cylinders during assembly Wear splash resistant ANSI approved safety goggles and other protective gear to prevent injury from leaking fluid Attach the Main Boom 36 to the Boom Pivot 38 using the Pin 4
61. rvoir part of Frame 90 Pump 65 Has Control Panel Spool Valve 9 Cylinder Boom OK Extension 2 Cylinder 4 on SS 9 Boom Swing Cylinder Bucket Control Cylinde Y Clevis Pin No 1 29 lt ydraulic Flui Panel Fill Plug 11 Seat 73 9 m Extension 34 4 4 77 Engine 74 9 lt f 2 I 4 e B s lt 4 90 Mount Hitch Hydraulic Coupler 58 Fluid Here Reservoir TOW CONFIGURATION REV 09 11a SKU 65162 For technical questions please call 1 800 444 3353 Page 11 SKU 65162 Move the Trencher to the work area See Starting The Engine page 14 Start the engine use the Boom Controls to curl the bucket toward the boom without touching the ground Moving the Bucket Assembly 32 down to the ground will raise the Frame Assembly 90 Lift the Tires just off the ground and stop Ensure the controls will not be touched or bumped and that the Trencher will remain motionless Never place any part of your body under the trencher With the Tires 52 off the ground remove the Wheel and Axle 50 to the operator s left and replace with the left side Extension Leg 19 and Leg Assembly 24 Direct the Extension Leg so it turns toward the Bucket end of the Trencher Secure with Lock Pin No 2 82 Repeat pro
62. s 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 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 40 SKU 65162 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 m
63. side a home or garage EVEN IF doors and windows are open E e Only use OUTSIDE and far away from windows doors and vents Keep children away from the equipment especially while it is operating Keep all spectators at least six feet from the Engine during operation Fire 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 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 20 21 22 23 24 For technical questions please call 1 800 520 0882 Use only lubricants and fuel recommended in the Specifications chart of this manual Wear ANS
64. st idle speed Check adjust valve clearance Clean fuel tank strainer and carburetor Clean carbon build up from combustion chamber Replace fuel line if necessary Service more frequently when used in dusty areas ES These items should be serviced by a qualified technician gt 280 For technical questions please call 1 800 520 0882 Page 11 gt 2 2 gt 2 m Maintenance Procedures 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 Checking and Filling Fuel NS AWWARNING TO PREVENT SERIOUS INJURY FROM FIRE Fill 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 adding fuel 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 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
65. tained 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 Store equipment out of the reach of children Follow scheduled engine and equipment maintenance Page 6 Refueling 1 TRENCHER PRECAUTIONS SKU 65162 Do not smoke or allow sparks flames or other sources of ignition around the equipment 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 Always make sure the hitch coupler is securely fixed to the vehicle before moving it If the Coupler is not se cured properly the link could come loose while the trailer is in motion possibly causing property damage SERIOUS PERSONAL INJURY or DEATH Contact local utility companies before beginning any project Buried utility lines may not be marked and if struck can cause SERIOUS PERSONAL INJURY or DEATH WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of these chemicals are Lead from lead based paints Crystalline silica from bricks and cement or other masonry products e Ars
66. th clean cloth then store the equipment out of children s reach SKU 65162 For technical questions please call 1 800 444 3353 Page 18 TECHNICAL SPECIFICATIONS Single Cylinder 4 stroke Engine Type OHV Air Cooled Recoil Start Rotation viewed from PTO 86 octane unleaded Type i Fuel gasoline Capacity 1 58 Gallons y SAE 10W30 above 32 F Engine Oil oW30 at 32 F or below 1 2 Quarts NGK BPR7ES Spark Plug LD9 F7TC 0 028 0 031 Valve ntake 0 15 0 02 mm learance 0 20 0 02 mm Idle ____ 1 400 150 RPM Speed 3600 RPM SERVICING AWARNING Risk of serious personal injury from accidental starting Turn the Power Switch of the equipment to its OFF position wait for the engine to cool and unplug the spark plug wire s before performing any inspection maintenance or cleaning procedures Damaged equipment can fail causing serious personal injury Do not use damaged equipment If abnormal noise vibration or excess smoking occurs have the problem corrected before further use SKU 65162 For technical questions please call 1 800 444 3353 Maintenance Procedures 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
67. th more than 10 ethanol used E15 E20 E85 etc 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 9 Clogged Fuel Filter IGNITION SPARK RELATED T Spark plug electrode wet or dirty Incorrect spark plug gap Spark plug cap broken Incorrect spark timing or Spark plug cap not connected securely faulty ignition system COMPRESSION RELATED 1 14 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 stuck For technical questions please call 1 800 520 0882 Possible Causes Probable Solutions FUEL RELATED Fill fuel tank and open fuel valve Move Choke to CHOKE position Clean out ethanol rich gasoline from fuel system Replace components damaged by ethanol Use fresh 87 octane unleaded gasoline only Do not use gasoline with more than 10 ethanol E15 E20 E85 etc Use fresh 87 octane unleaded gasoline only Do not use gasoline with more than 10 ethanol E15 E20 E85 etc Pull on Starter Handle to prime Clean out passageways
68. uring 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 these 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 Do not operate the equipment with known leaks in the engine s fuel system Page 5 15 16 ive 18 19 1 2 SKU 65162 This product contains 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 use Many accidents are caused by poorly maintained equipment Use the
69. 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 CHOKE position Replace Fuel Filter IGNITION SPARK RELATED 1 Connect spark plug cap properly Clean spark plug Correct spark plug gap Replace spark plug cap Have qualified technician diagnose repair ignition system 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 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 Follow all safety precautions whenever diagnosing or servicing the equipment engine 280cc Engine Possible Causes Probable Solutions Engine misfires Engine stops suddenly Engine stops when under heavy load Engine knocks Engine backfires Follow all safety precautions whenever diagnosing or servicing the equipment engine 280cc Engine 1 Spark plug cap loose 2 Incorrect spark plug gap or damaged spark plug Defective spark plug cap Old or low quality gasoline Incorrect compression
70. ut Bucket IN OUT Boom Extension IN OUT Boom IN OUT Boom Swing LEFT RIGHT REV 091 SKU 65162 For technical questions please call 1 800 444 3353 Page 16 15 After you have repositioned the Trencher raise the Boom to lower the outriggers back onto the ground The procedure can be repeated to move farther Transporting the Trencher 16 Ve Lock the Boom in Place Use the Bucket Lever to line the hole on the Bucket 32 up with the hole on the Boom Extension 34 Insert a Safety Locking Pin 15 and secure with a Ball Pin Use the Boom Swing Lever to line up the hole in the Boom Pivot 38 with the Hole in the Frame 90 Insert Safety Locking Pin 15 and secure with a Ball Pin Safety Locking Pin 15 18 SKU 65162 Safety Latch 41 Put the Boom into the Shallow Position and raise it until the pin on the side of the Main Boom 36 is close enough for the Safety Latch 41 to swing over it To use the Safety Latch pull out on the handle swing it over the pin and lower it over the pin locking it in place 19 20 21 When transporting the Trencher make sure your hitch not included is compatible with the Hitch Coupler 92 Follow all of the safety warnings for towing in your vehicle s manual The Hitch Coupler will only accept a 2 inch hitch ball To reduce friction between the hitch ball and Hitch Coupler 58 apply a layer of heavy weight grease over the
71. water will gradually enter the engine and cause rust damage Apply a thin coat of rust preventive oil to all metal parts 2 FUEL S AWARNING 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 c Remove the small sediment cup next to the bowl and allow the fuel to drain from there as well 280cc Engine NOTICE Recommended Spark Plugs Torch Using an incorrect spark plug may damage the engine 4 When installing a new spark plug adjust the plug s gap to the specification on the Specifications chart Do not pry against the electrode the spark plug can be damaged 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 For technical questions please call 1 800 520 0882

9 HP ride-on trencHer - Harbor Freight Tools

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