Maintenance

IMPORTANT!

MAINTENANCE, REPLACEMENT OR REPAIR OF EMISSION CONTROL DEVICES AND SYSTEMS MAY BE PER- FORMED BY ANY REPAIR ESTABLISH- MENT OR INDIVIDUAL; HOWEVER, WAR- RANTY REPAIRS MUST BE PERFORMED BY A DEALER OR SERVICE CENTER AUTHORIZED BY SHINDAIWA CORPO- RATION. THE USE OF PARTS THAT ARE NOT EQUIVALENT IN PERFORMANCE AND DURABILITY TO AUTHORIZED PARTS MAY IMPAIR THE EFFECTIVE- NESS OF THE EMISSION CONTROL SYS- TEM AND MAY HAVE A BEARING ON

THE OUTCOME OF A WARRANTY CLAIM.

WARNING!

Before performing any maintenance on this saw, stop the engine and disconnect the spark plug wire!

Muffler

This unit must never be operated with a faulty or missing spark arrester or muffler. Make sure the muffler is well secured and in good condition. A worn or damaged muffler is a fire hazard and may also cause hearing loss.

Spark Plug

Keep the spark plug and wire connec- tions tight and clean.

Fasteners

Make sure nuts, bolts, and screws (except carburetor adjusting screws) are tight.

Daily Maintenance

Remove dirt and debris from the saw exte- rior, cylinder fins, and cooling air intake.

Inspect the saw for fuel and oil leaks. Repair as necessary.

Service the air filter:

1.Remove the air filter cover and then remove the element. Use extreme care to prevent any debris from entering the carburetor bore. Wash all parts with soap and water, and then gently wipe or blow dry before reassembly.

2.Install the air filter element in the saw.

Cover

Filter Element

Choke

Sharpen and adjust the saw chains as required.

Clean the guide bar groove and oil hole, and inspect the bar groove and tip for damage or unusual wear. Repair or replace worn or damaged compo- nents as necessary.

Inspect the drive sprocket.

Inspect the entire saw for damaged, loose or missing components or fas- tenings. Repair as necessary.

10/15 Hour Maintenance

 

 

 

 

Remove and clean the spark plug.

 

Remove the guide bar and chain. Care-

 

Adjust the spark plug gap to 0.024”

 

fully inspect the drive sprocket for

 

(0.6 mm), and reinstall. Replace any

 

wear or damage, and replace if noted.

 

damaged or visibly worn plug with an

 

Inspect the guide bar grooves and

 

NGK BPMR7A or equivalent spark

 

tip for wear or damage, and repair or

 

plug of the same heat range.

 

replace components as required.

 

 

 

 

 

CAUTION!

 

IMPORTANT!

 

 

The drive sprocket and saw chain loop

 

Never allow chips or other debris

 

 

 

should always be replaced as a set! For econ-

 

to enter the cylinder bore! Before

 

 

 

omy, rotate the same 2-3 chains daily. When

 

removing the spark plug, thoroughly

 

 

 

these chains are worn out, replace both the

 

clean the spark plug and cylinder

 

 

 

chains and drive sprocket at the same time.

 

head area!

 

 

 

 

 

 

0.024” (0.6

mm)

15

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Shindaiwa 502s, 69033-94310 manual Maintenance

69033-94310, 502s specifications

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