McCulloch M3816 Operating Your Unit, Chain Tension Including units with chain already installed

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5.Return adjustment knob handle to original position. Ensure teeth of adjustment knob handle are engaged with notches in the chain brake and adjustment knob handle is laying flat.

Teeth

Notches

CHAIN TENSION (Including units with chain already installed)

WARNING: Wear protective gloves when handling chain. The chain is sharp and can cut you even when it is not moving.

It is normal for a new chain to stretch during the first 15 minutes of operation. You should re- check your chain tension frequently and adjust the chain tension as required. Always check chain tension each time you use and refuel your saw or when any sag in the chain is noted.

1.Move ON/STOP switch to the STOP position.

2.Make sure chain brake is disengaged (see CHAIN BRAKE in the OPERATION section).

IMPORTANT: Before proceeding to next step, ensure unit is on a flat surface and in an upright position as shown in illustration. Chain will not tighten properly if the unit is not in an upright position.

3.Use the chain adjustment tool (bar tool) to move chain around guide bar to en- sure kinks do not exist. The chain should rotate freely.

CHAIN SAW IN UPRIGHT POSITION

Guide

Bar

Adjustment Knob

Chain Adjustment

Tool (Bar Tool)

 

4.Lift adjustment knob handle and turn counterclockwise 1 turn to loosen bar. Chain will tighten automatically.

NOTE: If chain brake detaches from saw, see TO REPLACE CHAIN BRAKE section.

Adjustment

Knob

Handle

Tensioning Lever

LOOSEN

5.While lifting tip of guide bar, turn adjust- ment knob handle clockwise to clamp bar. Tighten until bar is clamped secure- ly. Hand tighten securely; do not use tools to tighten!

6.Using chain adjustment tool (bar tool), roll chain around guide bar to ensure all links are in bar groove.

7.Return adjustment knob handle to original position. Ensure teeth of adjustment knob handle are engaged with notches in the chain brake and adjustment knob handle is laying flat.

WARNING: If the saw is operated with a loose chain, the chain could jump off the guide bar and result in serious injury.

WARNING: Muffler is very hot during and after use. Do not touch the muffler or al- low combustible material such as dry grass or fuel to do so.

OPERATING YOUR UNIT

BEFORE STARTING ENGINE

WARNING: Be sure to read the fuel information in the safety rules before you be- gin. If you do not understand the safety rules, do not attempt to fuel your unit. Contact an authorized service dealer.

BAR AND CHAIN LUBRICATION

The bar and chain require continuous lubri- cation. Lubrication is provided by the auto- matic oiler system when the oil tank is kept filled. Lack of oil will quickly ruin the bar and chain. Too little oil will cause overheating shown by smoke coming from the chain and/ or discoloration of the bar.

Only use Bar and Chain Oil for bar and chain lubrication.

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Contents Manual do Operador Manual DE InstruccionesManuel D’INSTRUCTIONS Identification What is WHAT? Identification of SymbolsSafety Rules Plan AheadOperate Your SAW Safely Operating the chain sawChain SAW Safety Equipment Maintain Your SAW in Good Working OrderHandle Fuel with Caution JustmentsMaintain Control KickbackReduce the Chance Kickback Attaching the Bumper Spike AssemblyKickback Safety Features Tensioning Lever Install Position Attaching the BAR & Chain IfTo Replace Chain Brake Cutters Must Face Direction of RotationChain Tension Including units with chain already installed Operating Your UnitBefore Starting Engine BAR and Chain Lubrication Chain SAW in Upright PositionFueling Engine Chain BrakeImportant Points to Remember Starting a Warm EngineCutting Methods Chain BrakeImportant Points Tree Felling TechniquesFelling Large Trees Notch CUT and Felling the TreeCutting a Fallen Tree Important pointsBucking Using a LOG or Support Stand Bucking Without a SupportLimbing and Pruning Important Points LimbingService and Adjustments Cleaning the air filterBAR Maintenance AIR FilterCarburetor Adjustments Spark PlugChain Sharpening Idle Speed---TDeclaration of Conformity Troubleshooting Table Cause RemedyLoad Adjustment Engine Technical Data Sheet Statement of Warranty

M4218, M3816 specifications

The McCulloch M3816 and M4218 are powerful chainsaws designed for both homeowner and professional use, combining reliability and advanced technology to handle a variety of cutting tasks. These models reflect McCulloch’s commitment to creating tools that offer performance and ease of use for a diverse range of users.

The McCulloch M3816 features a 38cc engine that delivers robust power while maintaining a lightweight profile, making it manageable for extended use. With its 16-inch bar and chain, it provides an ideal balance of cutting capability and maneuverability. The M3816 includes an automatic oiling system that ensures proper lubrication of the chain and bar, enhancing cutting efficiency and prolonging the life of the tool. Its comfortable handle design minimizes vibration, reducing fatigue during long working sessions.

On the other hand, the McCulloch M4218 is equipped with a more powerful 42cc engine, ideal for users who require a heavier-duty tool. This model supports a longer 18-inch bar, making it suitable for larger logs and more extensive cutting tasks. The M4218 also benefits from the automatic oiling system, ensuring optimal performance and less maintenance time. Both chainsaws incorporate an efficient air filtration system that keeps the engine cleaner, improving performance and longevity.

One of the key technologies found in both models is the Easy Start system. This innovation allows for a smoother pull, reducing the effort required to start the chainsaw. Additionally, both the M3816 and M4218 are designed with a tool-free chain tensioning feature, making adjustments quick and convenient without the need for specialized tools.

Safety is paramount in chainsaw design, and both models come equipped with essential safety features such as a chain brake that stops the chain instantly if the saw kicks back, and a safety throttle lock that prevents accidental start-up.

In conclusion, the McCulloch M3816 and M4218 chainsaws blend powerful engines, versatile bar lengths, and smart engineering solutions into user-friendly tools. They are ideal for anyone from casual users to professionals looking for dependable performance in their cutting tasks. Whether for tree pruning, firewood preparation, or larger cutting jobs, these chainsaws offer an excellent combination of features and technologies to meet diverse needs.
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