Replacing Pistons/O-

Rings

Under heavy use, a piston, piston shaft, or O-ring may wear out. Replacement is quick and easy. Contact Grizzly Customer Service at (800) 523-4777 to obtain the Piston Repair Kit (Part Number PH8234092), or the complete O-Ring Repair Kit (Part Number PH8234093).

Always disconnect air from nailer whenever servicing! During mainte- nance, a nailer connected to air may fire accidentally, causing serious per- sonal injury!

To replace a piston:

1.DISCONNECT NAILER FROM THE AIR SUPPLY!

2.Remove all nails from the magazine cartridge, and clean the exterior of the nailer.

3.Remove the four cap screws on the back of the nailer, near the exhaust port.

4.Remove the cap.

5.The top of the piston should now be visible inside the cylinder, which is housed in the head of the nailer.

6.Watch the discharge area and push the top of the piston with your finger. You will see the piston shaft slide down the discharge area.

7.Taking care not to scratch or dent the nailer parts, use a wooden dowel or similarly shaped tool to push the piston shaft back inside the nailer until you can grip the piston head and remove it from the cylinder. Clean and inspect the parts for cracks, wear, or burrs.

8.Place a new O-ring on the new piston and apply a thin film of the nailer lubri- cating oil on the O-ring.

9.Insert the new piston in the cylinder. Make sure that the grooves on the pis- ton shaft line up with those on the guide at the bottom of the cylinder. The new piston should easily slide into the cyl- inder. DO NOT force the piston into the cylinder! If the piston is not easily inserted, double-check the alignment of the piston shaft with the grooves on the guide.

10.After the piston is inserted correctly, close the magazine. Replace the rear cap assembly and tighten the 4 cap screws.

Note: For more assistance, or to install a complete O-ring set, refer to the appropriate breakdown diagram in the back of this manual for component locations.

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Model H8234  28° Framing Nailer

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Grizzly h8234 owner manual Replacing Pistons/O Rings
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h8234 specifications

Grizzly H8234 is a powerful and versatile machine designed for woodworking enthusiasts and professionals alike. This heavy-duty planer boasts impressive features that set it apart in the market, making it an essential addition to any workshop.

One of the standout characteristics of the Grizzly H8234 is its robust construction. Built with a cast iron table, the machine ensures stability and minimizes vibration during operation, which is crucial for achieving precise cuts on various types of wood. The spacious work surface allows for handling larger workpieces, enhancing productivity.

The H8234 features a powerful 3 HP motor, providing ample horsepower to handle even the toughest hardwoods without bogging down. This motor drives the precision machined steel cutter head, which incorporates multiple carbide-tipped blades. The cutter head design not only delivers clean and smooth finishes but also ensures longevity and reduced maintenance requirements.

Another significant innovation of the Grizzly H8234 is its integrated automatic feed system. This system allows for continuous feeding of the wood, promoting efficiency during operation. The adjustable feed rate allows woodworkers to select the optimal speed for their specific material, further enhancing the quality of the finish.

Safety is a key focus for the Grizzly H8234. It is equipped with various safety features, including blade guards and emergency stop buttons, to help minimize the risk of accidents during operation. These features provide peace of mind for users as they navigate the complexities of woodworking.

Portability is also a critical aspect of the H8234’s design. While it is a stationary machine, it comes with built-in wheels that make it easier to move around the workshop. This flexibility allows users to rearrange their workspace as needed without a significant hassle.

Moreover, the machine offers easy height adjustments for precise thickness planning. The user-friendly handwheel allows for fine-tuning, ensuring that the desired thickness is achieved with each pass. This feature is particularly beneficial for achieving uniformity across multiple pieces of wood.

In summary, the Grizzly H8234 embodies a blend of strength, precision, and convenience, making it an invaluable tool for woodworkers. With its powerful motor, durable construction, advanced features, and focus on safety, it is well-suited for both hobbyists and professionals seeking reliable performance and quality in their woodworking projects. Whether you are crafting furniture or other intricate wood designs, the Grizzly H8234 is designed to meet the demands of the craft.
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