OPERATION

Felling Backcut. The backcut is always made lev- el and horizontal, and at a minimum of 2 in. above the horizontal cut of the notch. See Figures 13 - 14.

Never cut through to the notch. Always leave a band of wood between the notch and backcut (approximately 2 in. or 1/10 the diameter of the tree). This is called “hinge” or “hingewood.” It controls the fall of the tree and prevents slip- ping or twisting or shoot-back of the tree off the stump. See Figures 13 - 14.

On large diameter trees, stop the back cut before it is deep enough for the tree to either fall or settle back on the stump. Then insert soft wooden or plastic wedges into the cut so they do not touch the chain. The wedges can be driven in, little by little, to help jack the tree over. See Figure 15.

As tree starts to fall, stop the chain saw and put it down immediately. Retreat along the cleared path, but watch the action in case something falls your way. Be alert for overhead limbs or branches that may fall and watch your footing.

WARNING:

Never cut through to the notch when making a backcut. The hinge controls the fall of the tree, this is the section of wood between the notch and backcut.

Bucking

See Figures 16 - 19.

Bucking is the term used for cutting a fallen tree to the desired log length.

Always make sure your footing is secure and your weight is distributed evenly on both feet.

Cut only one log at a time.

Support small logs on a saw horse or another log while bucking.

Keepaclearcuttingarea.Makesurethatnoobjects can contact the guide bar nose and chain during cutting, this can cause kickback. Refer to Precau- tions Against Kickback earlier in this manual.

When bucking on a slope, always stand on the uphill side of the log. To maintain complete con- trol of the chain saw when cutting through the log, release the cutting pressure near the end of the cut without relaxing your grip on the chain saw

NOTCH

BACK CUT

HINGE

Fig. 14

 

wedge

Fig. 15

kickback

 

Fig. 16

Fig. 17

16 - English

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Image 16
Ryobi P542 manuel dutilisation Bucking, See Figures 16
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P542 specifications

The Ryobi P542 is an impressive addition to the world of cordless tools, designed to fulfill a wide variety of cutting tasks with utmost efficiency and precision. Powered by a robust and efficient 18V battery system, this circular saw caters to both professionals and DIY enthusiasts alike, offering a perfect blend of power, portability, and convenience.

One of the main features of the Ryobi P542 is its lightweight, compact design which makes it easy to maneuver and handle for extended periods. At just 5.5 pounds, it reduces fatigue during prolonged use, making it ideal for users who need to tackle multiple projects in one day. Its ergonomic grip ensures a comfortable hold, allowing for accurate cuts without compromising user safety.

The P542 is equipped with a powerful and efficient brushless motor, which not only enhances performance but also extends the tool's longevity. The brushless technology translates to less friction and heat generation, resulting in greater efficiency and battery life. This ensures that users can depend on the tool for longer operations without the need for constant battery replacements.

Another notable feature of the Ryobi P542 is its impressive cutting capacity. It boasts a 6-1/2 inch carbide-tipped blade that can slice through materials with ease. The saw is capable of making bevel cuts up to 50 degrees, offering versatility for both angled and straight cuts. This makes it suitable for various applications, whether you're working on framing, siding, or other woodworking projects.

Safety features are paramount in any power tool, and the Ryobi P542 does not disappoint. It includes a safety guard that provides protection while also allowing for quick blade changes. The electric brake feature stops the blade quickly after the trigger is released, enhancing user safety and reducing the risk of accidents.

Additionally, the P542 is part of Ryobi's ONE+ system, which means it is compatible with over 175 other Ryobi 18V tools. This compatibility not only saves money but also maximizes the utility of the battery platform, allowing users to easily switch batteries between tools.

Overall, the Ryobi P542 is a well-rounded circular saw that exhibits a combination of power, efficiency, and safety, making it a reliable choice for any woodwork enthusiast or professional contractor. With its advanced features and technologies, it stands poised to meet the demands of modern cutting tasks, ensuring high performance and satisfaction with every use.
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