ATTACHING THE BAR & CHAIN (If

not already attached)

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 be- low. Chain will not tighten properly if the unit is not in an upright position.

3.Lift adjustment knob handle and turn coun- terclockwise to loosen chain brake.

Adjustment

Knob

Handle

Tensioning Lever

LOOSEN

4.Align arrows by pressing tensioning le- ver down to install position (see illustra- tion). Remove chain brake from saw.

7.Carefully remove new chain from pack- age. Prepare the chain by checking the proper direction. Without following the il- lustration, it is easy to place the chain on the saw in the wrong direction. Use the illustration of the chain to determine the proper direction.

Tip of

Bar

CUTTERS MUST FACE IN

DIRECTION OF ROTATION

Cutters

Depth Gauge

 

Drive Links

8.Place chain over and behind clutch, fitting the drive links in the clutch drum sprocket.

9.Fit bottom of drive links between the teeth in the sprocket in the nose of the guide bar.

10.Fit chain drive links into bar groove.

11.Pull guide bar forward until chain is snug in guide bar groove. Ensure all drive links are in the bar groove.

TO REPLACE CHAIN BRAKE:

1.Align arrows on chain brake by pressing tensioning lever down to install position (see illustration).

2.Install chain brake. Turn adjustment knob handle clockwise until knob begins to thread onto bolt.

3.Release tensioning lever. Chain will tighten automatically.

4.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!

TENSIONING LEVER IN

INSTALL POSITION

5.Remove the plastic shipping spacer (if present).

6.Slide guide bar behind clutch drum until guide bar stops against clutch drum sprocket.

Chain

Brake

Clutch Drum

TIGHTEN

7

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Page 7
Image 7
McCulloch M4218 Attaching the BAR & Chain If, To Replace Chain Brake, Cutters Must Face Direction of Rotation, Tighten
Page 6 Page 8

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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