Stihl MS 500i W - Testing the Chain Brake; Checking the Controls; Checking Chain Lubrication; Operating the Saw

0458-809-0121-A
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English 11 Operating the Saw
► Use a STIHL filing gauge to check that a filing angle of 30°
has been maintained on all cutters. The STIHL filing
gauge must match the chain pitch.
► If a filing angle of 30° has not been maintained:
Resharpen the saw chain.
► If you have any queries: Contact your STIHL servicing
dealer for assistance.
10.4 Testing the Chain Brake
► Shut off the engine and engage the chain brake.
WARNING
The chain's cutters are very sharp. There is a risk of cut
injuries.
► Wear work gloves made of durable material.
► Try to pull the chain along the guide bar by hand.
If the chain cannot be pulled along the bar by hand, the
chain brake is functioning.
► If the chain can be pulled along the bar by hand: Do not
use your chainsaw and contact your STIHL servicing
dealer for assistance.
The chain brake is defective.
10.5 Checking the Controls
Throttle trigger lockout and throttle trigger
► Shut off the engine and engage the chain brake.
► Attempt to pull the trigger without depressing the lockout
lever.
► If the trigger can be pulled: Do not use your chainsaw and
contact your STIHL servicing dealer for assistance.
There is a malfunction in the throttle trigger lockout.
► Press down the throttle trigger lockout and hold it there.
► Pull the throttle trigger and release it again.
► If the throttle trigger is stiff or does not spring back to its
idle position: Do not use your chainsaw and contact your
STIHL servicing dealer for assistance.
The throttle trigger is defective.
Stopping the Engine
► Start the engine.
► Depress the stop switch.
The engine stops and the stop switch springs back to the
off position.
► If the engine does not stop: Do not use your chainsaw and
contact your STIHL servicing dealer for assistance.
The saw has a malfunction.
10.6 Checking Chain Lubrication
► Start the engine and disengage the chain brake.
► Hold the guide bar over a light surface.
► Open the throttle.
Chain oil is thrown off the chain and is visible on the light
surface. Chain lubrication is operating properly.
If no chain oil can be seen:
► Shut off the engine.
► Fill up with chain oil.
► Check chain lubrication again.
► If chain oil is still not visible on the light surface: Do not
use your chainsaw and contact your STIHL servicing
dealer for assistance. Chain lubrication is defective.
11.1 Adjusting Oil Feed Rate
The chainsaw has an adjustable oil pump.
11 Operating the Saw