Is the choke open or closed?

Normally choke will be in open position, in which valve is parallel to the air flow, and has no effect on the air flow. When choke is actuated by mechanical or by pneumatic method, it rotates an angle restrict the air flow (closed position).

What does a closed choke do?

The choke is only used when starting a cold engine. When doing a cold start, the choke should be closed to limit the amount of air going in. This increases the amount of fuel in the cylinder and helps to keep the engine running, while it is trying to warm up.

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What symbol is choke on Stihl?

Stihl chainsaws denote the choke position using a nearly horizontal squiggle between two vertical lines at the lowest position on the master control lever.

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How do you use a Stihl choke?

STARTING YOUR CHAINSAW
  1. Depress the throttle lock and throttle, and move the control lever to full choke (i.e. moved to the limit of its travel).
  2. Firmly press the primer (if fitted) 2–3 times.
  3. Place the saw on the ground.
  4. Once the saw has ‘fired’, move the choke up to the “half-choke” position and pull over.

Do you run a blower with the choke open or closed?

To Choke or Not to Choke

If your snow blower is cold, you’ll want to pull out or turn on the choke while you’re starting it. This closes off the air supply to your carburetor, which makes for a much richer fuel mixture. If your snow blower is stored in a heated garage and is warm enough, you should not use the choke.

When should you turn on choke?

When an engine is cold it doesn’t vaporize fuel efficiently, resulting in rough idling and stalling. The choke should be used to “choke” the flow of air and allow for a richer fuel mixture. Only use the choke when starting your engine under cold conditions. Once you’re up and running smoothly turn it off.

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Should choke be open or closed when priming?

Move choke lever to the Closed/Cold Start position. 3. Depress the primer bulb (if equipped), until fuel is visible in the transparent fuel return line.

What position is the choke on?

Typically the “choke” is on when the choke lever is in the up position or when the choke lever is inline with the handle bars on your bike. Choke on means that the choke plate is covering the carb throat.

Does choke increase fuel or air?

A choke valve/cable is designed to restrict the flow of air in the carburettor of an engine. This helps enrich the fuel-air mixture, improving the ability to start an engine in low temperature conditions.

How long do you leave choke on?

After 30 seconds is usually enough for most bikes. Especially a small thumper. Just reduce the choke slowly. If it wont idle smoothly (sounds like an asthmatic pensioner) then it probably wants the choke on a bit longer.

What happens if you choke too long?

However, if the pressure is immediately released, consciousness will be regained within ten seconds. To completely close off the trachea (windpipe), three times as much pressure (33 lbs.) is required. Brain death will occur in 4 to 5 minutes, if strangulation persists.

Do and don’ts of choking?

Mild choking: encourage them to cough

encourage them to keep coughing to try to clear the blockage. ask them to try to spit out the object if it’s in their mouth. don’t put your fingers in their mouth to help them as they may bite you accidentally.

Should I drink water if Im choking?

For food that is stuck in the throat and not the airways, you can try drinking some water to see if it can move down. However, if it is a bone that is stuck in the throat, do NOT attempt to remove it by yourself.

What are 3 signs for choking?

Watch for these signs of choking:
  • One or both hands clutched to the throat.
  • A look of panic, shock or confusion.
  • Inability to talk.
  • Strained or noisy breathing.
  • Squeaky sounds when trying to breathe.
  • Cough, which may either be weak or forceful.
  • Skin, lips and nails that change color turning blue or gray.
  • Loss of consciousness.

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