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Predator 61594 - User Manual

Predator 61594
32 pages
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Email our technical support at: productsupport@harborfreight.com
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.
REV 14g
Owners Manual & 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.
When unpacking, make sure that the product is intact
and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
Copyright
©
2013 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.
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.

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Questions and Answers

  • B
    Brett LawrenceSep 12, 2025
    Why does Predator 61594 Log Splitter engine knock?
    • M
      michellemaldonadoSep 12, 2025
      If your Predator Log Splitter engine is knocking, it may be due to old or low-quality gasoline; in this case, fill the fuel tank with fresh 87+ octane unleaded gasoline, ensuring it has no more than 10% ethanol. Another cause could be an overloaded engine, so avoid exceeding the equipment’s load rating. If neither of these solves the problem, there may be incorrect spark timing, deposit buildup, a worn engine, or other mechanical issues, which would require a qualified technician to diagnose and service the engine.
  • J
    Joel ClineAug 25, 2025
    Why does my Predator Log Splitter engine misfire?
    • V
      Valerie YoungAug 26, 2025
      Your Predator Log Splitter engine might misfire due to: a loose spark plug cap (check the wire connections); an incorrect spark plug gap or a damaged spark plug (re-gap or replace the spark plug); a defective spark plug cap (replace the cap); old or low-quality gasoline (use fresh 87+ octane unleaded gasoline, avoiding fuel with more than 10% ethanol); or incorrect compression (diagnose and repair, referring to the 'Engine will not start: COMPRESSION RELATED' section).
  • D
    danielstevenAug 27, 2025
    What to do if my Predator 61594 Log Splitter wood will not split or splits extremely slowly?
    • K
      Katie KelleyAug 27, 2025
      If the wood won't split or splits extremely slowly with your Predator Log Splitter, it could be due to: low hydraulic fluid level (check and add fluid as needed); air trapped in the hydraulic system (bleed the system); excessive pump inlet vacuum (check the pump inlet hose for blockages or kinks); a low control valve setting (have a qualified technician adjust the valve with a pressure gauge); a leaking control valve (have a qualified technician service the tool); or an internally damaged cylinder (have a qualified technician service the tool).
  • C
    clarkbrianAug 27, 2025
    Why does my Predator 61594 engine knock?
    • A
      Alicia WalkerAug 27, 2025
      If your Predator Log Splitter engine knocks, the cause might be old or low-quality gasoline (fill the fuel tank with fresh 87+ octane unleaded gasoline, avoiding fuel with more than 10% ethanol); the engine is overloaded (do not exceed the equipment’s load rating); or incorrect spark timing, deposit buildup, a worn engine, or other mechanical problems (have a qualified technician diagnose and service the engine).
  • S
    Sandra JacksonAug 29, 2025
    What causes a Predator Log Splitter engine to stop when under a heavy load?
    • W
      William SaundersAug 29, 2025
      If your Predator Log Splitter engine stops when under a heavy load, it could be due to a dirty air filter (clean or replace the element) or the engine running cold (allow the engine to warm up before operating the equipment).
  • J
    Jesse BassNov 21, 2025
    Why won't my Predator 61594 Log Splitter engine start?
    • J
      jimeneztiffanyNov 21, 2025
      There could be several reasons why your Predator Log Splitter's engine won't start. It might be due to fuel-related issues such as: the fuel tank is empty or the fuel valve is closed (fill the tank and open the valve); the choke is not in the CHOKE position for a cold engine (move the choke); using gasoline with more than 10% ethanol (clean out the fuel system and use fresh 87+ octane unleaded gasoline); using low quality or old gasoline (use fresh gasoline); the carburetor is not primed (pull the starter handle); dirty fuel passageways (clean them with fuel additive); the carburetor needle is stuck (gently tap the carburetor); too much fuel in the chamber (turn the choke to RUN, remove the spark plug and pull the start handle, then reinstall the spark plug and set the choke to CHOKE); or ...
  • A
    Anthony QuinnSep 18, 2025
    Why does Predator 61594 Log Splitter engine bog down during splitting?
    • A
      Anna JohnsonSep 18, 2025
      If your Predator Log Splitter engine bogs down during splitting, it could be due to a high control valve setting. A qualified technician will need to adjust the control valve with a pressure gauge.
  • J
    Jennifer VargasSep 23, 2025
    What causes Predator 61594 engine to stall under light load?
    • V
      Victoria BaileySep 23, 2025
      If the Predator Log Splitter engine stalls under a light load, it may be due to blocked hydraulic lines or a control valve. To resolve this, flush and clean the hydraulic system.
  • J
    Jerry HowardSep 9, 2025
    Why Predator Log Splitter engine misfires?
    • B
      Brianna LambSep 9, 2025
      If your Predator Log Splitter engine is misfiring, it could be due to a loose spark plug cap (check wire connections), an incorrect spark plug gap or a damaged spark plug (re-gap or replace the spark plug), or a defective spark plug cap (replace the spark plug cap). Also, old or low-quality gasoline can cause misfires, so use only fresh 87+ octane unleaded gasoline with no more than 10% ethanol. Finally, incorrect compression could be the culprit; diagnose and repair the compression, referring to the 'Engine will not start: COMPRESSION RELATED' section for guidance.
  • V
    vleeSep 5, 2025
    Why does my Predator 61594 engine stall under light load?
    • K
      kathleenmonroeSep 5, 2025
      If your Predator Log Splitter engine stalls under a light load, the cause might be blocked hydraulic lines or a blocked control valve. To resolve this, flush and clean the hydraulic system.

Summary

Product Specifications

Log Splitter Specifications

Detailed technical specifications for the log splitter.

Engine Specifications

Technical specifications related to the engine.

Safety Information

Warning Symbols and Definitions

Explanation of safety alert symbols and their meanings.

General Safety Instructions

Crucial safety guidelines for operating the equipment.

Setup, Operation, and Service Safety

Safety precautions for setup, operation, and maintenance.

Refueling Safety

Safety instructions for refilling the fuel tank.

Setup and Assembly

Assembly Procedures

Step-by-step guide for assembling the log splitter.

Component Assembly Details

Guidance on attaching beam, engine, and pump.

High Altitude Operation

Information on operating the unit at high altitudes.

Operation Guide

Components and Controls Overview

Identification of the log splitter's parts and controls.

Work Area and Pre-Start Checks

Preparing the work area and performing pre-start checks.

Starting and Operating the Splitter

Instructions for starting the engine and splitting logs.

Stopping, Towing, and Tire Care

Procedures for stopping, towing, and tire maintenance.

Maintenance and Troubleshooting

Maintenance Schedule and Procedures

Routine maintenance tasks and schedules.

Fluid, Fuel, and Air Filter Servicing

Procedures for servicing fluids, fuel, and air filters.

Engine Oil, Spark Plug, and Tire Care

Engine oil, spark plug maintenance, tire care, and storage.

Troubleshooting Guide

Common problems and their solutions for the engine.

Warranty and Parts Information

Product Warranties

Details on product and emissions control system warranties.

Parts Lists and Diagrams

Comprehensive lists and diagrams of all parts.

Predator 61594 Specifications

General IconGeneral
Model61594
CategoryLog Splitter
Maximum Log Length20.5 Inches
Engine TypeGasoline
Power SourceGasoline