50 hour maintenance

Every 50 hours of operation (more

often in dusty or dirty conditions):

ŶRemove and clean the cylinder cover and clean grass and dirt from the cylinder fins.

Gearcase lubrication

Remove the gearcase cover, and use solvent and a soft brush to remove all old grease from the gearcase. To refill, hand-pack the gearcase with approximately 40–50 grams of high quality lithium-based grease (50– 70% of capacity). DO NOT OVERFILL!

Remove and replace fuel filter element

ŶUse a wire hook to extract the fuel filter from inside the fuel tank. Inspect the fuel filter element. If it shows signs of contamination from debris, replace it with a genuine Shindaiwa replacement fuel filter element.

Throttle free play adjustment

Gearcase grease

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BOTTOM

VIEW

50 hour maintenance

CAUTION!

Make sure you do not pierce the fuel line with the end of the hooked wire. The line is delicate and can be damaged easily.

Hooked

wire

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Before reinstalling the filter, inspect the fuel line. If you discover damage or dete- rioration, the unit should be removed from service unitl it can be inspected by a Swisher-trained service technician.

If the unit does not return to idle speed or doesen’t reach full rpm, the throttle lever free play may need to be adjusted as follows:

1.Measure free play at the end of the throt- tle lever. Throttle lever free play should be approximately 5-7 mm (0.2-0.275”).

2.If adjustment is necessary, remove the air cleaner cover by loosening the two thumbscrews. Loosen the cable adjuster lock nut and turn the cable adjustment fit- ting in or out until throttle lever free play is approximately 5-7 mm (0.2-0.275”).

3.Replace the air cleaner cover, and tighten the cover retaining screws securely.

Cutter blade adjustment

Throttle cable

5-7 mm (0.2- 0.275”)

Locknut

Cable adjustor

Throttle lever free play

WARNING!

The cutter blades are very sharp! Always wear gloves when working around the cutter assembly.

Cutting performance of your machine depends a great deal on proper cutter blade adjustment. Properly adjusted blades will oscillate freely yet help pre- vent binding of cut material between blades. Adjust blades as follows:

1.Loosen all blade locknuts at least one full turn.

2.Tighten each blade shoulder bolt firmly, and then loosen the shoulder bolts 1/4 to 1/2 turn.

CAUTION!

Operating the trimmer with worn or improperly adjusted cutters will reduce cutter performance and may also dam- age your machine. Never operate the machine with damaged or worn cutters.

3.Working from the gearcase end, lock each bolt in place by firmly tightening its locknut while preventing the shoul- der bolt from turning.

When shoulder bolt adjustment is cor- rect, there should be a gap of 0.25–0.50

mmbetween the cutter blades and the flat washers, and the flat washer beneath each bolt head should turn freely.

 

 

Locknut

Guide Bar

 

 

Cutter

 

Washer

Shoulder Bolt

(should turn

Blades

freely)

 

 

Adjusting cutter blades

 

11

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Shindaiwa 89309 manual Throttle free play adjustment, Cutter blade adjustment, Every 50 hours of operation more
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89309 specifications

Shindaiwa 89309 is a high-performance trimmer head designed for both professional landscapers and avid gardeners who demand reliability, efficiency, and ease of use. This product stands out in a crowded market due to its innovative engineering and robust construction, making it an essential tool for those who take lawn care seriously.

One of the main features of the Shindaiwa 89309 is its durable design. Constructed from high-quality materials, it is built to withstand the rigors of everyday use while maintaining optimal performance. This means users can tackle tough tasks without the fear of wear and tear, ensuring longevity and durability.

The trimmer head integrates advanced technologies to improve efficiency and ease of operation. One of its most notable technologies is the easy-loading spool system, which allows users to quickly and effortlessly reload the line. This feature significantly reduces downtime, enabling users to get back to their work without hassle.

Additionally, the Shindaiwa 89309 is designed with a dual-line cutting system, which enhances its cutting performance. This system provides a wider cutting path, allowing users to cover more ground in less time. The trimmer head delivers clean and precise cuts, ultimately resulting in a neater finish for lawns and gardens.

Another key characteristic of the Shindaiwa 89309 is its compatibility. The trimmer head works seamlessly with various Shindaiwa machines, allowing for versatility and ease of integration into existing tool collections. This adaptability makes it a practical choice for professionals with multiple pieces of equipment.

Moreover, the Shindaiwa 89309 features an efficient balance that reduces user fatigue. The lightweight design combined with a well-thought-out weight distribution allows for extended periods of use without straining the operator, which is crucial in a demanding work environment.

In summary, the Shindaiwa 89309 trimmer head embodies the perfect blend of durability, efficiency, and user-friendly features. Its advanced technologies, including the easy-loading spool and dual-line cutting system, make it an invaluable tool for achieving pristine landscaping results. Whether for professional use or personal projects, the Shindaiwa 89309 stands out as a reliable choice for trimmers and gardeners alike.
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