How does a chain brake work on a chainsaw?
How does a chain brake work on a chainsaw?
Chain brakes prevent movement of the saw’s cutting chain by applying a steel brake band around the driven clutch drum. The chain brake is principally operated by the top-hand guard being pushed forward to engage the brake, and pulled back to disengage.
Should you start chainsaw with chain brake on?
When using a chainsaw, you should always start it with the chain brake engaged so the chain does not move.
What happens if you run a chainsaw with the brake on?
If you hit the throttle hard while the brake is on, you can burn up the centrifugal clutch in just seconds. If the chain doesn’t spin when you squeeze the trigger, STOP and make sure the kickback brake isn’t on.
Do all chainsaws have chain brakes?
All chainsaws must have chain brakes that comply with ISO 6535:2008 Portable chain-saws — Chain brake performance.
Should the chain brake be on or off when starting?
The chain brake should be activated when you start the chainsaw. Many chainsaw models can be started in what is known as ‘half-throttle’ position. In this position, the chain can rotate – if the chain brake is not activated.
Why do chainsaw chain dull so quickly?
If your chain dulls quickly, then it could be a couple of things. Check your user’s manual to ensure that you are using the right sized file for your chain. Alternatively, you could be applying too much pressure when you file. This will create cutting edges that are too thin and dull quickly.
Where is the chain brake on a chainsaw?
It’s time to face the fix. Whether you are a legendary lumberjack or a weekend woodworker, eReplacementParts.com provides the parts, procedures and facts you need to fearlessly fix what fails you. The chain brake attaches just above the clutch drum on the saw.
What are the parts of a chain brake kit?
The chain brake kit consists of the brake band, the spring and linkage, and the plastic housing. The brake comes pre-assembled, and is basically a bolt-on repair. The chain brake should be tested each time the saw is used, and immediately serviced (or replaced) if it is not working.
Why won’t the chain brake band fit on my new clutch?
Because the new chain brake arrives (from the manufacturer) in the locked position, the brake band won’t fit around the clutch drum. To make room for the brake band, the clutch drum must be removed. Use a small screwdriver to pry the clutch drum retainer (C-clip) away from the shaft. Remove the clutch drum washer from the clutch drum.
