Question about Stihl Ts400 Cut Off Saw Carb Carburetor Air Filter

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TS400 has problem drawing fuel on inital start of the day 14plus pulls. fuel must be returning to tank leak back. as it starts usually first pull after inital start.

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You could be flooding out the unit, and then starting it after it is flooded. This could be the reason that it is so hard to start. The maximum amount of pulls on choke should be only 3, then move it to the next setting. This should help to make it easier to start. If the unit runs ok after it is started then this is most likely the reason why it is so hard to start. Let me know if this helps. You can click on the add comment button below and let me know. I hope this helps you out.

Posted on May 10, 2011

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Posted on Jan 02, 2017

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Stihl ts400 quick cut won't draw fuel. New carb installed same problem exists. I am now getting beyond frustrated. It will start and run for a moment on carb cleaner but when its out of carb cleaner i


Check the boot between the carb and the cylinder, it could be an air leak. also check the compression. If the piston rings are damaged then it wont have the compression to pull the fuel through. Could also be a damaged fuel line, or plugged filter.

Dec 10, 2013 | Stihl Ts400 Cut Off Saw Carb Carburetor...

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2005 dodge diesel wont start but will start with starting fluid


the system is not properly sealed and is allowing the fuel to return to the tank, and then it is too hard for your fuel distributor to pull it back towards the engine. when you start it with start spray you are making the pump spin faster and then it can manage to pull the fuel from the tank. a quick fix is to install a one way valve in your fuel supply line before it goes into the filter to stop the fuel from returning to the tank.

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My 2000 bravada wont start.


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that means that you have installed a different immobilizer system
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I have a Craftsman Weedwacker 25cc 358.791030 that won't start. Primer bulb is not getting gas. Gas line is connected to the filter resting at the bottom of the gas tank. The line for the primer bulb...


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Jul 24, 2011 | Craftsman Convertible 25cc. Gas Line...

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I have a 455 rancher that is difficult to impossible to start. If I get it started and stop it it won't start back. when it starts it runs fine. I took the plug out and cranked the engine and there was a...


my 455 did this also I went and bought a new gas filter new gas and mix. try this you might have some water in your gas,also add some sea foam additive to your gas mixture just about a table spoon to 2.5 gallons of gas

Feb 23, 2010 | Husqvarna Garden

1 Answer

I've noticed that usually once every couple of days my car will shut off on me while im driving. When I pull off to the side and try to start it again it starts to leak fuel from the vapor canister near...


Does this usually happen after you've filled the tank, or right before you've filled the tank?

The cause is likely a clogged tank vent. The fix, obviously, is to unclog or replace the vent line.

Dec 26, 2009 | 1988 Suzuki Samurai

1 Answer

Starts hard floods easily even avoiding the primer


Prime away... on a chainsaw it does NOT squirt fuel into carburetor. It draws fuel from tank, through carburetor, and returns it to tank.
Using the choke however will flood it in a second once it has fired. with a good fuel supply, 99.5 % of chainsaw won't start problems are flooded.
Your manual start procedure should be similar to this:
Start Procedure
Cold:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws); pull starter and listen for an attempt to start. once heard (usually two pulls; no more than 4)
  4. Set compression release – optional step even if saw is equipped with a compression release
  5. Push (open) choke pull starter until it starts. (usually first pull)
Warm:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws) – Do not pull with choke closed.
  4. Push (open) choke, pull starter until it starts. (usually first pull)
The real key on your Husky is to open the choke once it attempts to fire. Closing the choke sets the fast idle but leaving it closed only floods the engine once warmed up or after it attempts to start. True of Stihl too but slightly different start procedure.
If you can not find your manual you can download one here:
HusqvarnaUSA.com
http://www.husqvarna.com/us/homeowner/support/download-manuals/
Enter the 3 digit model number (no XPs, Es, just the numbers)
Serial number decode – useful when downloading IPLs and Manuals
06 1500198
06 = year produced – 2006 (single digit before 2000)
15 = week produced - March
00198 = 198th unit Husky produced that week
Hope you found this helpful.
Lou

Dec 17, 2009 | Husqvarna Garden

2 Answers

Ut 10045c won't start will i need a new coil


Does it have spark? Yes not coil!
Replace the plug (very inexpensive)
Ignition Coil Test by SmallEng.com
http://www.youtube.com/watch?v=L7WNBDRG4C4
You may need to use a jumper wire between the threaded part of the plug and the cooling fins. You don’t have to bend up the electrode.

When you removed the plug was it wet (flooded)? If not wet and you have spark put about a teaspoon of fuel mix into carburetor throat, reinstall clean air filter. Turn on ignition and pull a couple of times. Did it try to run?
Yes possibly fuel delivery problem Chech all fuel hoses and the filter on free end of hose in the tank.
Fuel Line Replacement by SmallEng.com
http://www.youtube.com/watch?v=JrXpU70Hmi0
  • The hose in the tank with the filter on the free end connects directly to the carburetor input connection.
  • If the saw is equipped with a primer bulb, an output line from the carburetor connects to the suction side of the primer (once the bulb is collapsed it draws fuel from the tank through the carburetor to refill as it inflates).
  • The pressure side of the primer returns displaced fuel to the tank as it is depressed.
Take lots of notes and a few digital photographs to help with reassembly.
2dfd4a3.gif
Most chainsaw won't start problems with a good fuel delivery system are flooded.
Start Procedure
Cold:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws); pull starter and listen for an attempt to start. once heard (usually two pulls; no more than 4)
  4. Set compression release – optional step even if saw is equipped with a compression release
  5. Push (open) choke pull starter until it starts. (usually first pull)
Warm:
  1. Ignition on/off to on
  2. Set compression release – optional step even if saw is equipped with a compression release
  3. Pull (close) choke, set fast idle (done when choke closed on some saws) - Don’t pull with choke closed.
  4. Push (open) choke, pull starter until it starts. (usually first pull)
Hope this helps
Lou


Nov 22, 2009 | Garden

1 Answer

Gas smell when starting and small dripage when back up from under engine


It sounds like the return fuel line is leaking. There are two fuel line and one is the high pressure line which goes to the fuel pressure regulator then to the fuel rails. There is then a return line from the fuel rail to the gas tank.
With the amount of fuel leak, it's going to be the return line since it's not that bad compared to the high pressure side. Follow the fuel lines from the drivers side around the steering shaft to the engine. The high side and low side (return) run side by side and you should see it leaking when the engine is running.
Good luck and hope this helps.

May 25, 2009 | 1994 Chevrolet Beretta

1 Answer

Diesel fuel is draining back to tank


the check valve is part of the fuel tank low pressure lift pump.

Mar 18, 2009 | 2004 Ford Focus

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