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Toro Flex-Force Power System - User Manual

Toro Flex-Force Power System
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FormNo.3438-313RevA
Flex-ForcePowerSystem
41cm
(16in)60VMAXChainsaw
ModelNo.51850—SerialNo.320000001andUp
ModelNo.51850T—SerialNo.320000001andUp
Registeratwww.Toro.com.
OriginalInstructions(EN)
*3438-313*A

Questions and Answers

  • T
    Tyler LynchAug 13, 2025
    Why Toro Chainsaw does not run continuously?
    • P
      psampsonAug 14, 2025
      Your Toro chainsaw might not run continuously due to several reasons: * The battery pack may have a low charge, so charge the battery pack. * The battery pack might not be fully seated; ensure it's completely inserted into the housing. * The battery pack could be outside the correct temperature range; move it to a dry place where the temperature is between 5°C (41°F) and 40°C (104°F). * The battery pack may have exceeded high amperage limits; release the trigger, then press it again. * Moisture might be present on the battery pack leads; allow it to dry or wipe it dry. * The chain brake could be engaged; disengage it by moving the chain brake rearward. * Debris under the cover can also cause this; remove the cover and clean out any debris.
  • M
    Melissa DodsonAug 17, 2025
    What to do if my Toro Chainsaw chain oil is not lubricating properly?
    • S
      Sandra CarsonAug 17, 2025
      If the chain oil in your Toro chainsaw isn't lubricating correctly, there are a few potential causes: * The oil level might be low; check the oil level. * The oil outlet could be plugged; clean out any debris from the oil outlet. * Debris might be under the cover; remove the cover and clean it. * The oil channel or groove in the guide bar could be plugged; clean out any debris in the bar.
  • S
    sreedAug 21, 2025
    Why does the battery pack of my Toro Chainsaw lose charge quickly?
    • J
      Jennifer WarrenAug 21, 2025
      A battery pack on a Toro chainsaw may lose charge quickly for several reasons: * The battery pack is over or under the appropriate temperature range. Move the battery pack to a place where it is dry and the temperature is between 5°C (41°F) and 40°C (104°F). * The chain is dull or damaged. Replace the chain. * The guide bar is bent or the grooves are damaged. Replace the guide bar. * The machine is overloaded. Apply less pressure when cutting. * The chain is not being lubricated properly. Check the oil level and ensure that oil is following to the chain.
  • P
    Paul SmithAug 25, 2025
    What to do if my Toro Chainsaw does not properly cut?
    • S
      sarah29Aug 26, 2025
      If your Toro chainsaw isn't cutting properly, consider the following: * The chain may not be tensioned correctly, so set the proper tension. * The chain could be dull or damaged; replace it. * The guide bar might be bent or the grooves damaged; replace the guide bar. * The chain may be installed backward; install it correctly. * The chain may not be getting enough lubrication; check the oil level and ensure oil is flowing to the chain.
  • G
    Gregory RodriguezAug 28, 2025
    What to do if the LED indicator light on my Toro Chainsaw battery charger is blinking red?
    • A
      Amanda ReynoldsAug 28, 2025
      If the LED indicator light on your Toro chainsaw battery charger is blinking red: * There could be an error in communication between the battery pack and charger. Remove the battery pack, unplug the charger for 10 seconds, then plug it back in and reattach the battery pack. If it continues to blink red after 2 attempts, dispose of the battery pack at a recycling facility. * The battery pack might be weak. If the battery is in warranty, contact your authorized service dealer; otherwise, dispose of it at a battery recycling facility.
  • J
    jennifer17Sep 1, 2025
    What does it mean if the LED indicator light on Toro Chainsaw battery charger is red?
    • V
      Valerie FullerSep 1, 2025
      If the LED indicator light on the battery charger of your Toro Chainsaw is red, it indicates that the battery charger and/or battery pack is over or under the appropriate temperature range. Unplug the battery charger and move the battery charger and battery pack to a place where it is dry and the temperature is between 5°C (41°F) and 40°C (104°F).
  • K
    Karl LangSep 5, 2025
    What to do if my Toro Chainsaw runs, but the chain does not rotate?
    • S
      Samantha BraySep 5, 2025
      If your Toro chainsaw runs but the chain doesn't rotate: * The chain may not be properly seated on the drive sprocket. Install the chain and ensure the links are correctly seated. * There might be debris under the cover. Remove the cover and clean out any debris.
  • E
    Edward AndersonSep 8, 2025
    Why is my Toro Chainsaw battery charger not working?
    • P
      palmerashleySep 9, 2025
      If your Toro chainsaw battery charger isn't working, it could be due to: * The battery charger being outside the appropriate temperature range. Unplug it and move it to a dry place where the temperature is between 5°C (41°F) and 40°C (104°F). * The outlet not having power. Contact a licensed electrician to repair the outlet.

Summary

Important Safety Instructions

Work area safety

Keep work area clean, avoid explosive atmospheres, keep bystanders away.

Personal safety

Stay alert, use PPE, prevent unintentional starting, remove adjusting keys.

Power tool use and care

Power tool use and care

Use correct tool, do not force, disconnect power, store safely, maintain tools, keep sharp, use as intended.

Battery tool use and care

Recharge correctly, use designated packs, keep away from metal, avoid liquid, do not use damaged, avoid fire/heat, avoid rain, follow charging instructions.

Service

Use qualified repair persons, never service damaged battery packs.

Chain saw safety

Chain saw safety

Keep body parts away, hold correctly, use insulated surfaces, wear PPE, do not operate in tree, keep footing, watch for spring back, use caution with brush, carry correctly, follow lubrication/tensioning, keep handles dry, cut wood only, avoid kickback.

Personal Protective Equipment

Wear a hard hat

Wear a hard hat in situations where debris may contact the head.

Wear hearing protection

Wear hearing protection.

Wear safety glasses and;or a face shield

Wear safety glasses and/or a face shield.

Wear gloves

Wear gloves.

Wear protective pants or chaps

Wear protective pants or chaps.

Wear substantial, slip-resistant footwear

Wear substantial, slip-resistant footwear.

Safety and Instructional Decals

Read Operators Manual and Safety Decals

Understand safety instructions and warnings from decals.

Personal Safety Precautions

Wear safety gear, use proper grip, and avoid hazardous contact.

General Safety Warnings

Follow warnings about weather, fire, moving parts, and guards.

Recycling Information

Information on battery recycling program.

Battery Charger Operation

Battery Charger and Pack Indicators

Interpret LED indicators for battery charging status and faults.

Setup

Mounting the Battery Charger (Optional)

Instructions for securely mounting the battery charger indoors near a power outlet.

Filling the Chain Saw with Bar and Chain Oil

Instructions for filling the chain saw with bar and chain oil using the oil window.

Specifications

Operation

Before Using the Chain Saw

Check chain tension, inspect components, check chain sharpness, check oil level, check chain brake, check overall condition.

Starting the Chain Saw

Steps to start the chain saw, including checking vents, battery insertion, and trigger operation.

Shutting Off the Chain Saw

Procedure to turn off the chain saw by releasing the trigger and engaging the brake.

Cutting with the Chain Saw

Instructions on proper grip, stance, avoiding kickback, and cutting techniques to prevent injury.

Pruning a Tree

Safe practices for cutting branches from a standing tree, including grip, pressure, and cut types.

Felling a Tree

Warnings and considerations for felling trees, including expertise, hazards, and tree diameter limits.

Limbing a Fallen Tree

Steps to safely cut limbs from a fallen tree, focusing on smaller limbs and weight-bearing limbs.

Bucking a Log

Techniques for cutting logs, considering support and load to prevent the saw from binding.

Installing the Battery Pack

Steps to insert the battery pack into the chain saw until it locks.

Removing the Battery Pack

Steps to release the latch and remove the battery pack from the chain saw.

Charging the Battery Pack

Instructions for charging the battery pack, including initial charge and indicator lights.

Maintenance

Recommended Maintenance Schedule(s)

Provides a schedule for checking oil, chain brake, chain tension, and chain sharpness.

Checking the Oil Level and Adding Bar and Chain Oil

Procedure to check and refill the bar and chain oil reservoir, ensuring proper level and cleanliness.

Checking the Chain Brake

Steps to test the chain brake functionality by attempting to move the chain.

Checking the Flow of Bar and Chain Oil

Procedure to verify oil is flowing to the chain by running the saw.

Adjusting the Chain Tension

Instructions for adjusting chain tension using the onboard multitool for proper fit and function.

Servicing the Guide Bar, Chain, and Drive Sprocket

Steps for cleaning and inspecting the guide bar, chain, and drive sprocket for wear or damage.

Installing the Guide Bar and Chain

Procedure for correctly installing the guide bar and chain, ensuring proper alignment and tensioning.

Sharpening the Chain

Guidance on when to sharpen or replace the chain for optimal performance and battery life.

Service

Advice to take the tool to an Authorized Service Dealer for necessary repairs.

Storage

Preparing the Battery Pack for Recycling

Instructions for preparing the battery pack for recycling, including covering terminals and finding recycling locations.

Troubleshooting

California Proposition 65 Warning Information

Toro Flex-Force Power System Specifications

General IconGeneral
Power SourceBattery
Line Diameter0.080 in.
Battery TypeLithium-Ion
Adjustable HandleYes
Battery RuntimeUp to 45 minutes
Charging Time60 minutes

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