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Question to throttle blipping

Barook

Barook

New Member
Joined
May 19, 2020
Messages
2
Age
21
Location
NSW
Hi all.
I'm just wondering why when starting a chainsaw, you "blip" the throttle trigger to make the engine idle (so that the chain wont spin against the brake)? Sometimes there's no need to blip because the chainsaw is already in idle when it starts, but other times the saw immediately wants to run (and blipping the throttle trigger fixes this by changing it to idle?).

Just wanting to fully understand how this works, so any help is appreciated.

Thanks
 
The Satch

The Satch

ArboristSite Lurker
Joined
May 16, 2017
Messages
25
Age
32
Location
Washington
Many saws have a starting position for the throttle trigger. This is generally set by depressing the throttle trigger, holding the run/kill switch in its third "starting" position, and releasing the throttle trigger. The throttle will then remain partially depressed, and the run/kill switch will remain in the starting position. Once the saw is started, blipping the throttle releases the catch, and the saw is able to return to low idle.
 
Husky Man

Husky Man

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Joined
Sep 28, 2017
Messages
2,887
Location
Mt Hood, Oregon
On many saws (All?) pulling out the choke, then pushing it back in before you start the saw, will set the high idle circuit, without choking the saw, this will let the saw start at high idle, blipping the throttle will return it to normal idle.


Doug :cheers:
 
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