Spark Plug Maintenance

Spark

Plug

Cap

1.Disconnect spark plug cap from end of plug. Clean out debris from around spark plug.

2.Using a spark plug wrench, remove the spark plug.

3.Inspect the spark plug:

If the electrode is oily, clean it using a clean, dry rag. If the electrode has deposits on it, polish it using emery paper. If the white insulator is cracked or chipped, the spark plug needs to be replaced.

Recommended Spark Plugs

Brand

 

 

 

68120, 68121

68136

68306

 

NGK®

BP-6ES

 

 

NHSP® / TORCH®

F6TC

F6TC

F6TC

NOTICE: Using an incorrect spark plug may damage the engine.

4.When installing a new spark plug, adjust the plug’s gap to the specification on the Technical Specifications chart. Do not pry against the electrode, the spark plug can be damaged.

5.Install the new spark plug or the cleaned spark plug into the engine. Gasket-style: Finger-tighten until the gasket contacts the cylinder head, then about 1/2-2/3 turn more.

Non-gasket-style: Finger-tighten until the plug contacts the head, then about 1/16 turn more.

NOTICE: Tighten the spark plug properly. If loose, the spark plug will cause the engine to overheat. If overtightened, the threads in the engine block will be damaged.

6.Apply dielectric spark plug boot protector (not included) to the end of the spark plug and reattach the wire securely.

Storage

When the equipment is to remain idle for longer than

20 days, prepare the engine for storage as follows:

1.CLEANING:

Wait for engine to cool, then clean engine with dry cloth. NOTICE: Do not clean using water. The water will gradually enter the engine and cause rust damage.

Apply a thin coat of rust preventive oil to all metal parts.

2.FUEL:

WARNING! TO PREVENT SERIOUS

INJURY FROM FIRE:

Drain the fuel tank in a well-ventilated area away from ignition sources. If the engine is hot from use, shut the engine off and wait for it to cool before draining fuel. Do not smoke.

a.Place a funnel leading to a proper gasoline container below the carburetor.

Sediment Cup

(some engines)

Drain Plug

b.Remove the drain bolt from the bottom of the carburetor bowl and allow the fuel to drain.

c.Remove the small sediment cup next to the bowl and allow the fuel to drain from there as well.

d.Open the fuel valve. After all fuel has drained, reinstall the drain bolt and sediment cup (if equipped). Tighten securely.

3.LUBRICATION:

a.Change engine oil.

b.Clean out area around spark plug. Remove spark plug and pour one tablespoon of engine oil into cylinder through spark plug hole.

c.Replace spark plug, but leave spark plug cap disconnected.

d.Pull Starter Handle to distribute oil in cylinder. Stop after one or two revolutions when you feel the piston start the compression stroke (when you start to feel resistance).

4.BATTERY:

Disconnect battery cables (if equipped). Recharge batteries monthly while in storage.

5.STORAGE AREA:

Cover and store in a dry, level, well-ventilated area out of reach of children. Storage area should also be away from ignition sources, such as water heaters, clothes dryers, and furnaces.

6.AFTER STORAGE:

Before starting the engine after storage, keep in mind that untreated gasoline will deteriorate quickly. Drain the fuel tank and change to fresh fuel if untreated gasoline has been sitting for

amonth, if treated gasoline has been sitting beyond the fuel stabilizer’s recommended time period, or if the engine does not start.

Horizontal Engines

For Engine technical questions, please call 1-800-520-0882.

Page 15

Page 38
Image 38
Harbor Freight Tools 67853 manual Storage, Recommended Spark Plugs

67853 specifications

Harbor Freight Tools is widely recognized for providing a variety of high-quality tools at competitive prices, and the model 67853 is no exception. This tool combines functionality, durability, and affordability, making it a popular choice among both amateur and professional users.

The Harbor Freight Tools 67853 is a 20" tool chest that stands out for its robust construction and ample storage capabilities. This tool chest features double-walled steel construction, ensuring that it can withstand the rigors of a busy workshop or garage. Its powder-coated finish not only enhances its aesthetic appeal but also provides added protection against rust and corrosion, ensuring that the chest maintains its integrity over time.

One of the key features of the 67853 is the abundance of storage space it offers. The chest is designed with multiple drawers that provide easy access to tools and supplies. Each drawer is equipped with ball-bearing slides that ensure smooth opening and closing, minimizing the risk of wear and tear over time. The drawers are designed to hold a significant amount of weight, allowing users to store a variety of tools, from hand tools to power equipment.

The organization is made easy with the inclusion of padded drawer liners that help keep tools in place, preventing them from sliding around during opening and closing. This thoughtful design feature is particularly beneficial when working in a fast-paced environment where efficiency is key. Furthermore, the top section of the chest is perfect for displaying frequently used tools or storing small items for easy access.

Safety and security are also prioritized with the Harbor Freight Tools 67853. The chest comes equipped with a central locking system that secures all drawers simultaneously, protecting valuable tools from theft and ensuring that everything is kept in its designated place. This added layer of security is vital for professionals who rely on their tools for daily operations.

Another notable aspect of the 67853 is its mobility. The chest is fitted with sturdy casters, allowing users to easily move it around the workshop or garage as needed. This mobility is coupled with a solid locking mechanism that keeps the chest stable when in use, ensuring it won't roll away unexpectedly.

In terms of aesthetics, the Harbor Freight Tools 67853 features a sleek design that will complement any workspace. The glossy finish and minimalist lines provide a professional look that is appealing to users across all fields.

Overall, the Harbor Freight Tools 67853 offers excellent value for users seeking a reliable and stylish tool chest that fulfills various storage needs. Its durable construction, ample storage, and thoughtful design make it a top choice in the market, catering to both hobbyists and seasoned professionals alike.