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M1165E
Instructions for Assembly, Testing, Operation, Servicing, & Storage
20-Ton Log Splitter: Outdoor hydraulic powered machine that
All operators of this equipment must read and completely understand all safety information, operating instructions, maintenance and
storage instructions. Failure to properly operate and maintain the log splitter could result in serious injury to the operator and bystanders
from moving parts that can crush or cut, flying objects, burns, fire or explosion, escaping high pressure hydraulic fluid, or carbon
monoxide poisoning in particular, be aware of the following hazards.
Crush and Cut Hazards
Moving parts can crush and cut hands and fingers. Keep hands clear of endplate, wedge, logs, and log strippers while splitting.
High Pressure Hydraulic Fluid Hazards
High fluid pressures and temperatures are developed in hydraulic log splitters. Hydraulic fluid escaping through even a pin-size hole
opening can puncture skin and cause severe blood poisoning. Inspect hydraulic system regularly for possible leaks. Never check for
leaks with your hand while the system is pressurized. Seek medical attention immediately if injured by escaping fluid.
Fire Hazards
If your log splitter is intended for use near an ignitable forest, brush, or grassy covered land, the engine exhaust should be
equipped with a spark arrestor. See the "Specifications" section of this manual to determine if your splitter already has a spark
arrestor. If not equipped, call Powerhorse Product Support for ordering information.
Keep a fire extinguisher with you that is rated for ordinary combustibles and flammable liquids.
ADD OIL TO ENGINE BEFORE USING: Engine is shipped without oil. DO NOT start log splitter without first adding oil.
ADD HYDRAULIC OIL: Your log splitter was shipped without hydraulic oil. Refer to Periodic Maintenance section of this manual
INSPECT COMPONENTS: Closely inspect to make sure no components are missing or damaged.
See Initial Unpacking & Set-up for instructions and for whom to contact to report missing or damaged parts.
Any Questions, Comments, Problems or Parts Orders
Owner's Manual
READ and UNDERSTAND this manual completely before using log splitter.
for instructions on filling the hydraulic reservoir
Call Powerhorse Product Support 1-866-443-2576
ITEM NUMBER:
SERIAL NUMBER: _______________
splits wood logs.
WARNING
STOP!
1
1165

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  • Page 1 If your log splitter is intended for use near an ignitable forest, brush, or grassy covered land, the engine exhaust should be equipped with a spark arrestor. See the “Specifications” section of this manual to determine if your splitter already has a spark arrestor. If not equipped, call Powerhorse Product Support for ordering information. •...
  • Page 2 Hazard Signal Word Definitions...
  • Page 3: Table Of Contents

    Table of Contents About Your Log Splitter......................4 Safety Label Locations......................5 Machine Components Identification ..................7 Initial Set-up ..........................8 Moving & Towing to the Job Site .................... 10 Before Each Use: Step One: Inspection/Maintenance................. 13 Step Two: Fueling ......................15 Step Three: Work site Selection &...
  • Page 4: About Your Log Splitter

    Follow all safety precautions presented throughout this manual. A summary of important safety information can be found at the end of this manual. Contact Powerhorse Product Support at 1-866-443-2576 for any questions about the appropriate use of this log splitter and/or optional accessories.
  • Page 5: Safety Label Locations

    Safety Label Locations Reference # Part Number Description 39259 Warning Decal 777887 Splitter Operating Instruction Decal 777890 Fire Hazard Warning Decal 777891 Hydraulic Fluid Warning Decal 777892 Moving/Towing Decal 778609 Control Decal 778610 Log Splitter Warning Decal 777889 Stuck Log Decal 778717 Log Stripper Decal Always make sure safety labels are in good condition.
  • Page 6 Safety Label Locations WARNING Moving parts can crush and cut. Pieces can fly out while splitting. Follow safety rules for operating the log splitter or serious injury could result. READ the Owner's Manual completely before operating. WARNING Only one person should operate the log splitter. If an assistant is helping to load logs, the operator should not POISONOUS GAS actuate controls until the assistant is at least 10 ft away.
  • Page 7: Machine Components Identification

    Machine Component Identification Description Description Endplate 2” Ball Coupler Log Cradles Safety Chains Wedge Support Leg Split Control Lever Horizontal Lock Control Valve Hydraulic Oil Fill/Vent Engine Vertical Lock Cylinder Beam/Hydraulic Tank Lifting Handle Suction Strainer...
  • Page 8: Initial Set-Up

    Initial Set-up IMPORTANT! Engine is shipped without oil. DO NOT start the engine before adding oil. See Assembly Instructions section of this manual to assemble the log splitter before set-up. Closely inspect all log splitter components. Step One: (See Machine Components section of this manual for diagram of components.) Inspect Log •...
  • Page 9 Initial Set-up 5. Replace hydraulic oil fill/vent cap. 6. Start engine and use control valve handle to extend and retract wedge five (5) times to remove air from the high-pressure lines. 7. With wedge retracted, check oil level again. Fill if necessary. WARNING: NEVER remove the hydraulic oil fill cap when the engine is running or hot.
  • Page 10: Moving & Towing To The Job Site

    Moving and Towing to the Job Site WARNING The log splitter is heavy. It can crush and cause serious injury if it rolls out of control or tips over. Follow the instructions below for safely moving and towing the log splitter. Moving the log splitter: Place in Make sure the log splitter is locked in the horizontal position with hitch pin...
  • Page 11: Moving And Towing To The Job Site

    Moving and Towing to the Job Site Towing: 1. Read instructions Review towing safety instructions in your vehicle manual. 2. Check tires Make sure tires are fully inflated and in good repair. WARNING: • Do not over-inflate tires. Serious injury can occur if tire explodes. •...
  • Page 12 Moving and Towing to the Job Site Move the support leg to the “UP” position and lock. 5. Put support leg Attach coupler to class 2 or higher hitch with 2” ball. Latch Securely. Support leg Hook both safety chains to the towing vehicle Tow log splitter carefully to desired work site.
  • Page 13: Step One: Inspection/Maintenance

    Before Each Use-Inspection / Maintenance Step One: Inspect and maintain log splitter before each use If the log splitter has been used previously, it must be inspected and maintained BEFORE EACH SUBSEQUENT USE. WARNING ALWAYS shut off the engine, disconnect the spark plug, and relieve system pressure before inspecting, cleaning, adjusting, or repairing the splitter.
  • Page 14: Engine

    Before Each Use-Inspection / Maintenance WARNING: High fluid pressures and temperatures are developed in hydraulic log splitters. Hydraulic fluid escaping through a pin hole sized opening can burn or puncture skin, resulting in wounds that could cause blood poisoning, infection, disability, gangrene, amputation, or death.
  • Page 15: Before Each Use

    Before Each Use - Fueling Step Two: Fueling WARNING Gasoline is highly flammable and explosive. You can be burned or seriously injured when handling fuel. Use extreme care when handling gasoline. The engine must be off and allowed to cool at least two minutes before adding fuel. 1.
  • Page 16: Step Three: Work Site Selection & Set-Up

    (See the “Specifications” section of this manual to determine if your splitter already has a spark arrestor. Contact Powerhorse Product Support at 1-866-443-2576 for information about obtaining a spark arrestor for your log splitter if it is unequipped.) 2.
  • Page 17: Splitting Operation

    Splitting Operation WARNING Before starting this log splitter, review the following instructions and safety information for safe operation of the log splitter. Failure to follow these rules may result in serious injury to the operator or bystanders from moving parts that crush, cut, or entangle from flying objects, burns, fire, falling or tripping, or from carbon monoxide poisoning.
  • Page 18 Splitting Operation 1. Put on Wear the following protective clothing and safety gear: protective 1) Eye protection. Always wear safety glasses or goggles when operating the machine. Pieces clothing / of log may fly out and serious eye injury can occur. gear 2) Boots.
  • Page 19 Splitting Operation Vertical Splitting Position b) Set to Vertical Pull out horizontal lock catch pin, grasp lifting handle and lift beam until it rotates into vertical position position. WARNING: Crush hazard. The beam is heavy – do not let it just drop. It could crush fingers or cause damage to the splitter.
  • Page 20 Splitting Operation 5. Load log Load log onto beam with a cut end against the endplate – positioned for a lengthwise cut. Notes: a) The log splitter is designed only for cutting lengthwise with the grain, NOT for cutting across the grain. b) This log splitter is designed for cutting logs only up to a maximum of 14”...
  • Page 21 Splitting Operation 6. Extend Move Split Control Lever toward endplate to extend wedge and split log. wedge SPLIT CONTROL LEVER OPERATION Important safety instructions: • Operator position. ALWAYS operate the log splitter from the manufacturer’s indicated OPERATOR POSITION. (See diagram above.) Other positions are unsafe because they can increase the risk of injury from crushing, cutting, flying objects, or burns.
  • Page 22: Cylinder

    Splitting Operation WARNING: NEVER attempt to remove a stuck log by: • Modifying the splitter. • Adding attachments to the splitter. Personal injury could result from log or metal pieces flying out at high speed toward the operator or bystanders, or the splitter could become damaged. 9.
  • Page 23: Storage

    Storage WARNING Gasoline vapors can ignite and cause a fire. Select a well-ventilated storage away from sources of heat, flame, or sparks. Follow the instructions below for storing your log splitter between uses 1. Retract wedge Retract the wedge completely to keep the rod protected from corrosion. 2.
  • Page 24: Periodic Maintenance

    Periodic Maintenance In addition to the maintenance performed with each use, periodic maintenance should also be performed according to the following schedule. WARNING ALWAYS shut off the engine, disconnect the spark plug, and relieve system pressure before cleaning, adjusting, or repairing the splitter. Relieve system pressure by moving Split Control Lever back and forth several times.
  • Page 25: Troubleshooting

    I- Internal control valve leak Return control valve for authorized repair J- Damaged cylinder piston Return cylinder for authorized repair K- Internally damaged cylinder Return cylinder for authorized repair Any Questions, Comments, Problems or Parts Orders Call Powerhorse Product Support 1-866-443-2576...
  • Page 26: Specifications

    The manufacturer reserves the right to make improvements in design and/or changes in specifications at any time without incurring any obligation to install them on units previously sold. Any Questions, Comments, Problems or Parts Orders Call Powerhorse Product Support 1-866-443-2576...
  • Page 27: Parts Breakdown - Exploded View

    Parts Breakdown – Exploded View 1165 – Rev E...
  • Page 28 Hose barb elbow 17141 Hose clamp 777912 Coupling insert 781683 Hydraulic control valve w/ detent 781473 Fill vent 782255 4x24 Trunnion cylinder 780150 208cc Powerhorse engine 34025 Handle grip 782921 Wedge 777341 Short high-pressure hose 781199 Log stripper 777909 1/2” coupling 777910 3/4”...
  • Page 29: Summary Of Important Safety Information For Operation

    Summary of Important Safety Information for Operation WARNING Carefully read and make sure you understand the following safety information before using the log splitter. Improper use or maintenance of the log splitter can result in serious injury to the operator or bystanders from moving parts that can crush or cut, flying objects, burns, fire or explosion, escaping high pressure hydraulic fluid, or carbon monoxide poisoning.
  • Page 30 Summary of Important Safety Information for Operation • Tires. Be sure the tires are fully inflated and in good repair before towing the log splitter. When adding air to the tires, do not over-inflate – serious injury could occur if tire explodes. •...
  • Page 31 Summary of Important Safety Information for Operation o Do not adjust the pressure setting of the pump or valve. o Do not check for leaks with your hand. Leaks can be located by holding a piece of cardboard or wood (at least two feet long) with your hand at one end and passing the other end over the suspected area (wear eye protection).
  • Page 32 Summary of Important Safety Information for Operation Safety – During Use General Safety During Use WARNING Before starting this log splitter, review the following rules for safe operation. Failure to follow these rules may result in serious injury to the operator or bystanders. •...
  • Page 33 Summary of Important Safety Information for Operation • NOTE for vertical position loading: Place the log on the endplate and turn it until it leans against the beam and is stable. If the log is too big or oddly shaped, stabilize the log with wooden shims between the log and endplate or ground.
  • Page 34: Assembly Instructions

    Assembly Instructions Closely inspect all log splitter components. If you have missing components, contact Powerhorse Product Support at 1-866-443-2576. If you have damaged components, contact the Freight Company that delivered the unit and file a claim. CAUTION! Heavy lifting required.
  • Page 35 Assembly Instructions...
  • Page 36 Assembly Instructions Step 1 Keep Nuts Hand Tight. 5/16” x 3” Bolt Tow Bar Install the Left Axle and Right Axle to the Tow Bar. Use 4- 5/16” x 3” Bolts and 5/16” Nyloc Nuts. Install Axle Support between Left and Right 5/16”...
  • Page 37 Assembly Instructions Step 4 Axle Slide Tire onto Axle with Valve Stem facing Valve Stem Thread Axle Nut onto Axle (hand tight) Axle Back Axle Nut off ¼ turn Make sure Tire spins freely Insert Cotter Pin through hole in Axle and bend it so Axle Nut cannot come off Make sure Tire spins freely Tap Dust Cap onto Tire with a soft faced...
  • Page 38 Assembly Instructions Step 7 NOTE: Remove the cylinder from the beam/tank Beam/tank assembly before assembling. The cylinder is assembly locked in place for shipping purposes in a backwards orientation. 1/2” Class G Flange 1/2” x 3” Orient the Beam/Tank assembly as shown. Bolt Install the Beam/Tank Assembly with the 1/2”...
  • Page 39 Assembly Instructions Step 10 Install the 3/4” NPT Street Elbow to the Beam/Tank Assembly Fill Port. Tighten Hand tight, and then 1-1/2 to 2 full revolutions to the correct orientation. Install the Vent Plug hand tight into the 3/4” NPT Street Elbow. Install the Hose Barb Fitting to the Return Vent Plug...
  • Page 40 Assembly Instructions Step 13 Suction Port Connect the Long Low Pressure Hose to the Hose Clamp Suction Port of the Beam/Tank Assembly Long Low and the Hydraulic Pump with a Hose Clamp. Pressure Hose Attach the hose to the Right Axle with a Zip Tie.
  • Page 41 Assembly Instructions Step 16 Valve work port Short High- Connect the Long High-Pressure hose to Pressure Hose high pressure fitting on the pump and the high pressure fitting on the control valve inlet. Control Valve Connect the Short High-Pressure Hose to Inlet High-Pressure Fittings on the cylinder and the work port of the valve.
  • Page 42 This page has intentionally been left blank.
  • Page 43: Limited Warranty

    Dear Valued Customer: The Powerhorse Product you just purchased is built with the finest material and craftsmanship. Use this product properly and enjoy the benefits from its high performance. By purchasing a Powerhorse product, you show a desire for quality and durability.
  • Page 44 Manufactured by Northern Tool + Equipment Co., 2800 SouthCross Drive West P.O. Box 1499 Burnsville, MN 55337-0499...

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