Question about Echo ATA-110B3 Garden

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I have a Echo 330 camo top handle saw, top handle was broken, replaced handle Assyrian. When tried to start, engine took off, like a vacuum leak. I noticed the bottom of the carb had a nipple for a va

Does any hose connect to the nipple,if so where?..I just does not look normal. The fuel nipple on carb plugs into fitted hose, pump pulse is supplied by a line up with hole in carb to the rubber boot, I see nothing to hook up nipple on bottom of carb

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Posted on Jan 02, 2017

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SOURCE: i need fuel line routing for mcculloch fr2.0 chainsaw

primer bulb... long barb goes to fuel tank pick-up.... short goes to carb.... make sure the new tubing is safe for the damn ethanol fuel and that it fits snug thru the tank or it will leak

Posted on Aug 18, 2009

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SOURCE: McCulloch Chainsaw carb not getting fuel

This is the same problem I have with a Mac 3200. I have: (1) A line from the primer bulb to the front port on the carburator. (2) line from fuel tank, with attached fuel filter, to the other primer bulb port. (3) Line from port on back of carb. to ????. I thought it must be a pulse line, but not certain, and don't know where to run it to. Please let me know when you find out.

Posted on Aug 23, 2009

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SOURCE: I have a poulan pro 210 chainsaw both fuel lines

This should help:

This too:
The IPL (exploded parts list) for your saw is the only detail for fuel line routing and it is sketchy at best; components are listed but may be on different illustrations.
I think this is your saw please ensure I am correct.
If not your saw it can be found here:
The dash number of your serial number is the type. HTH
Take some pics first then a small sample of the different fuel lines to your local chainsaw seller. A little extra is agood idea, I have not found a good fuel line stretcher and I have been looking. Probably a good idea to replace the fuel filter too.

Posted on Jan 16, 2010

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SOURCE: Have a Mac 3214, fuel lines were rotten, replaced

The fuel metering needle in the lower carburetor chamber may have a bad rubber tip or the rubber diaphragm may be hard or cracked. McCullough fuel tanks vent through the cap (it should not have a gasket). Gravity plays no part in the carburetor fuel volume. Remove the spark plug (ignition off) and pull the engine through a few times without the choke on, but the throttle wide open to remove excess fuel in the crankcase (no smoking during this procedure). Make sure the plug is dry when you put it back. Hope this helps!

Posted on Apr 19, 2010

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SOURCE: Poulan Woodshark 1950 14" Chainsaw Family: WPWES

Checked all the parts lists, they seem to use the same primer through all types no.s part no. 530047213.

Posted on Jun 24, 2011

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How do you change the air filter on an echo cs310 chainsaw?

Place the saw on a work table so that you can look down on the saw. With the handle pointing towards your right hand looking down on the saw you will see screws that holds the top cover of the saw where the carburetor is. The filter is right on top of the carburetor. Replace in reverse order.

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Order Slider Release (7.93, vacpartswarehouse) Pull off 'tank.' Remove 3 Screws for Foot Detent Lever. Pull off. Remove old slider release and spring (verify it's broke.) Replace with new. I just did this today after a year of dealing with it.

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I was cutting a large log and the saw kicked back. Echo GS 300. It now won't throttle up, acting like the kickback safety is locked but it is not. The throttle linkage is still connected also. Any...

Does sound like the brake has activated, pull the hand guard fully back to the top handle until you hear it click off, now try again

Apr 03, 2011 | Echo Garden

1 Answer

My chainsaw will not quit vibrating while im cutting wood?

This could be a number of issues, if it has an anti vibration system is this in good shape ( with the saw stopped, hold the rear handle, now try to move the engine unit seperate to the rear handle, does it readily touch/ rattle against the fuel tank , if so the anti vibration rubbers/springs are worn or broken and will require replacment, the engine unit should not readily move independant to the top/rear handle if this happens you will get all the vibration from the engine)
Cutting chain condition can also increase vibration, blunt/incorrectly sharpened chains will cause over loading due to operator pushing the saw too hard and creating contact of the engine unit to the handle system ( replace the cutting chain ), saw running rich due to blocked air filter ( clean the filter )

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1 Answer

No Start Echo CS 670

Sorry to echo the bad news you heard but... often metal transfer from the piston to the cylinder feels like compression. Try part 3 of this, Attempt to shine a light into the plug hole through while inspecting above the exhaust port. Most often in a run lean condition metal transfer occurs above the exhaust manifold.
Starter Handle difficult to pull:
1. Remove the starter cover.
Inspect the flywheel and crankshaft under the starter cover. Are the woodruff key slots on the crack shaft and flywheel aligned and the key intact? If not; Please consider taking the saw to a good local saw seller/mechanic for a written diagnosis before authorizing any repair or ordering any parts; if yes continue.
Does the starter operate smoothly? If yes, reinstall the cover and continue with 2, if not repair the starter.
2. Is the saw equipped with a decompression valve? Yes continue, no proceed with 3.
Leave the ignition off, set the valve and pull the starter.
Pull gently to release the valve. Is there a difference in the effort required?
If yes continue with 3, if no repair or replace the decompression valve.
3. Was this saw perhaps operated in a lean condition (metal transfer from the piston to cylinder wall)? This may be caused by many things including but not limited to; leaky intake connections at the engine or carburetor; leaky crankcase seals; cracked fuel delivery lines; running on gasoline containing no 2-cycle oil.
Disconnect the spark plug wire and remove the plug. Remove the muffler (clean it and the spark arrestor before reinstalling), hold a light at the plug hole and inspect the cylinder through the exhaust port. Is it smooth and shiny or does it appear speckled with dull gray spots or smears?
Pull the starter slowly, inspect the piston as it rises and falls. Is it a dull gray without scratches and gouges?
Hold the light at the exhaust port and look through the spark plug hole, inspect the cylinder above the exhaust port. Is it shiny and smooth or speckled with gray spots or smears?
Please Note: Any spots or smears on the cylinder or deep scratches and gouges in the piston indicate the saw was operated in a lean condition. Repair of this on a home owner quality saw often exceeds replacement cost. A repair estimate by an independent saw shop should be considered.

The cost of a P&C nears the cost of a new saw. Join here, search for acid and maybe you can get by with just replacing the piston. This is good bunch of folk that will offer all help possible.
ArboristSite Chainsaw thread (free to join)
An example of a repair here:

If you have more questions or need additional help please reply below and I will get back to you. HTH & Good Luck.
Thank You for using FixYa.

May 06, 2010 | Echo CS600P Gas Chainsaw 20 Inch

1 Answer

Oil leaking from the bottom of gray panal under clutch, I have checked for engine casing cracks too!!

I suspect your oil pump leaking or hose connection is leaking. You can probably find a parts breakdown with oil system detail for your saw here: If your model isn't listed please contact them and request it be added.
Most Echos have outboard clutches (chain between the clutch and engine) this should help with removal if needed.
R² Drive Link Outboard Clutch by
  1. Check the IPL for your saw to see if any special tools are needed.
  2. There are metal piston stops available, when square (almost never) with the piston top these work well, if not square they have been known to punch through the piston. I suggest a length of starter cord or nylon rope be used instead of the piston stop (retain 6" ± so you can remove it). Make sure the piston is near the top of the cylinder before feeding the cord or it can fall through the exhaust port and damage the piston as it rises.
It is probably a left handed thread (tighten it to loosen it).

Oil System Plugged.
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  2. Insert a blunted, hooked piece of wire through the oil filler hole and pull the hose in the oil tank out (clean or replace, difficult to determine serviceability). Work your way through the linkage cleaning and replacing any defective parts as you go. Carefully check the hoses for cracks especially at bends and connections. If equipped with an oil pump it is usually behind the clutch (clutch is probably left handed thread). Please make extensive notes & some digital pictures will help during reassembly. GL

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1 Answer

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It's possible that you have the anti-kick brake on or you have the chain adjusted too tight. The guard in front of the top handle should be all the way back to release the brahe. Hope this helps you

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Husqvarna 350 screammmmms

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1 Answer

Broken bolt that holds chain bar in place

As you know, your chain saw is obsolete, However, go to this website and they will have what you need:

Good luck.

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