135-hour Maintenance

Every 135 hours of operation,

remove and clean the muffler.

WARNING!

Never operate this trimmer with a damaged or missing muffler or spark arrester! Operating with missing or damaged exhaust components is a fire hazard, and can also damage your hearing!

1.Remove the spark plug boot.

2.With a 3 mm hex wrench remove the 1 muffler cover and 3 engine cover screws and the engine cover. See Figure 30.

3.With a Phillips type screwdriver remove the 5 screws holding the spark arrester screen and cover to the muffler. See Figure 30.

4.Remove the screen and clean it with a stiff bristle brush.

5.With a 4 mm hex wrench remove the 3 muffler bolts and the muffler.

See Figure 30.

6.Inspect the cylinder exhaust port for any carbon buildup.

7.Gently tap the muffler on a wood surface to dislodge any loose carbon.

Engine Cover

Engine

 

 

 

Cover

 

 

 

Screws

 

 

 

 

 

 

 

 

 

Muffler

 

 

 

 

Cover

 

 

 

 

Muffler

 

 

 

Cover Screw

 

 

 

 

Muffler

 

 

 

Muffler

Screws

 

 

 

 

 

 

 

Gasket

Screws

 

 

 

 

 

Muffler

Spark Arrester

Spark Arrester

Outlet

 

Gasket

Screen

Cover

 

Figure 30

 

 

 

 

 

8. Reassemble the spark arrester, muffler

IMPORTANT!

If you note excessive carbon buildup, consult

and engine cover in the reverse order of

disassembly.

with an authorized Shindaiwa servicing

 

dealer.

 

 

 

16

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Image 16
Shindaiwa 81644 manual With an authorized Shindaiwa servicing, Dealer

81644 specifications

The Shindaiwa 81644 is a remarkable piece of equipment designed for professionals in landscaping and agriculture. Renowned for its durability and performance, this model is an essential tool for anyone in need of a reliable, high-efficiency solution for their yard care and maintenance projects.

One of the standout features of the Shindaiwa 81644 is its powerful engine. The unit is equipped with a robust 25.4 cc 2-stroke engine that delivers an impressive power-to-weight ratio, ensuring efficient operation without compromising on performance. This kind of engine is designed for easy starting and provides a reliable output that allows users to tackle even the most challenging tasks with ease.

Another key characteristic of the Shindaiwa 81644 is its lightweight design. Weighing in at approximately 7.9 lbs, this model is designed to reduce operator fatigue, allowing for extended use without added strain. The ergonomic handle further enhances comfort, enabling a natural grip and offering better control during operation.

Technologically, the Shindaiwa 81644 incorporates advanced anti-vibration technology. This feature minimizes vibrations during use, ensuring a smoother experience while reducing the risk of operator fatigue. Additionally, the unit includes an adjustable throttle, allowing users to optimize their cutting speed based on the specific job at hand.

The durability of the Shindaiwa 81644 is another highlight. Constructed with high-quality materials, this equipment is built to withstand the rigors of regular use in various weather conditions. Its fuel-efficient engine also represents Shindaiwa's commitment to sustainability, minimizing environmental impact while maximizing performance.

For convenience, the Shindaiwa 81644 is designed with an easy-to-access air filter and spark plug, simplifying maintenance. This ensures that operators can keep their equipment in top condition with minimal effort.

In summary, the Shindaiwa 81644 combines power, efficiency, and user-friendly features, making it one of the most sought-after options for professionals looking to enhance their landscaping tools. Whether for commercial or personal use, this model stands out as a reliable choice that meets the demands of any outdoor maintenance project.