Piston Skirt
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Posts posted by Piston Skirt
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It is IPX4 certified.
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Butterfly type carburettor L controlled ports (3 little ones) are always influencing engine work.
At idle usually the closest hole to the engine is open, but starting from acceleration process and up to WOT it sprays fuel from all 3 L ports happier than a race winner sprays champagne.
L adjustment always has influence on all RPM range. It is just felt differently on different engines, depending on many factors.
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The myth about pencil and NASA has long been debunked.
For those "Soviets safer than NASA" I recommend first reading on N1, R-16 and similar rockets and catastrophes.
Anyway it is better to get back to the topic.
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31 minutes ago, Darkslider said:
Work colleague has just picked up one of these last week and seems to like it. I like the power to weight of it and the fact it's simpler than the 50cc class from Stihl/husky which seems to me like more of a tech race.
Just like all Echos though I think the high power and low weight comes at a slight reduction in durability, they seem a bit flimsier with thinner handles etc.
There is not much extra simplicity in comparison except there is one less solenoid block, wire loom and extra power generating unit.
This saves some ~100 grams alone.
The lower weight comes from that and from the engine/crankcase design.
Actually the push-pull pre-filtration system and oil expansion chambers are a bit more advanced than those found on competitor models so except auto-tune there isn't much where is less techy.
Any modern chainsaw model (except those with shady origin) has to pass exactly the same ISO tests for loads from all sides and dropping, so the durability part of the story is a bit of an urban myth.
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3 hours ago, Glencairn said:
Very droll!
The echo at £619.00 - it would have to be made from a titanium case for me to choose that over a husqvarna 550.
550XP says 859, but that's apples to oranges as it's major difference in ccs and ultra-major in weight especially if you add the UL Sugi bar which comes stock.
Hell, it's even cheaper than 540iXP.
MS 241 from the same class is 864 so it's hard to understand where you want the titanium
Probably you just don't need 40cc class saw
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56 minutes ago, Glencairn said:
I really wanted to buy one of these as a good viable alternative to the mainstream saws, but I found them to be a too high a price point so much so that I felt I had to revert to husqvarna that offered better value.
If echo were in a position to offer their professional line saws at a lower price point than the alternative XP I think they would do really well.
How much are 543 nowadays in UK?
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56 minutes ago, coppice cutter said:
Echo introduced a new battery system this spring, the eForce.
I was particularly interested in the new 2500 blower.
So I emailed and asked if they could give me any info on when this would be brought in to the UK. They replied and pointed me to the existing range on their website.
I thanked them for reply but stressed that I was interested in the new range and pointed them towards the precise items I was interested in on the ECHO USA site, said I was interested in the blower, and would be further interested in the brushcutter, hedgetrimmer, and possibly the new 5000 saw in future.
I received no further reply until several weeks later which said they were looking at their range for spring 2023, but gave no further detail.
By that time however I had invested in the new 40v Makita blower with batteries and charger, but would probably have waited on the Echo if they could have given me any sort of encouragement whatsoever.
I thought it was very poor communication, at best!
Understandable.
Yet US normally has generally different products and even average American user will normally have different preferences (see lawnmowers, hedge trimmers and even chainsaws of any manufacturer).UK has more in common with Europe so it’s understandable the range and even safety requirements for double insulation is different.
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2 hours ago, coppice cutter said:
I recently had an email exchange with the new Echo importer regarding Echo's battery equipment which didn't exactly inspire confidence.
Then again, maybe it's just too Stihl/Husqvarna orientated for anything else to get a foothold no matter what.
What was/is the issue?
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4 hours ago, john87 said:
Has anyone actually got one or even seen one?? From what i can see there are none anywhere, impossible to find one..
john..
Some of those you see on YouTube in US got there from UK, actually
And the most shown one was smuggled to US from Germany.
I also see northeast side of Europe selling them for a while already.
And it’s hard to forget all the supply mess, especially when other manufacturers wouldn’t even have batteries for most of 2022 worldwide…
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19 hours ago, Stere said:
Any info on the new cordless X series DCS-3500 v the DCS-1600 you mention above
Yes. It’s been out for a year already.
Looks the same although most of the parts are slightly modified - adopted metal spikes, roller catcher, new way lighter motor & controller.
Powerhead weight went down to 2.88kg which IIRC makes it the lightest in this class.
The throttle feels a bit smoother too over the trigger travel.
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13 hours ago, dumper said:
But can you get the batteries, makita batteries are not the best quality the stihl batteries I’m told are made by Bosch and a generation ahead in technology
What is exactly “made”? Recently both Stihl and Husqvarna switched from LG & Samsung cells to Sony/Murata, both have their own BMS’es made elsewhere + most of the batteries of recent batches state “Made in Poland”. It might mean plastic casing + assembly, it might also include BMS but in any case the batteries can’t be actually made in-house. Even the BMS will probably contain chips, resistors and thermistors made in various corners of the globe.
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12 hours ago, john87 said:
Mine has the "P" in a circle just like you say..
Wonder how you do the override?? Nothing about it in the ownera manual..
john..
Of course it can't be in the manual
Current emission laws force manufacturers to do everything anti-tackle so that only authorized hands would be able to adjust anything.
Echo dealers are usually trained to do override and adjust the carburetor in 5 steps.
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19 hours ago, William Clifford said:
It has the serial number etched on the black plus a silver sticker on the top of the recoil cover that says Feb 2020 on it amongst a few other things, but no serial number on the sticker. So that would be the later model?
I still need to try checking the tuning but thanks for that info.
There’s a special procedure of carburettor adjustment for units with a little P in circle next to serial.
It has an active ignition coil that compensates ignition advancing to keep the idle steady.
To adjust the carburettor the override procedure must be done.
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On 21/08/2022 at 16:09, spudulike said:
If the saw has the paper serial number over the recoil cover...these were a bit unstable, if the serial is laser etched in to the metal, it is a later one and these tend to be better.
If it's the laser etched model with (P) on it (and large D for idle screw too), then the idle is rock solid 2300 +-50RPM in a very wide mixture setting range.
If that one is not stable - the mixture is terribly off.
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5 hours ago, coppice cutter said:
On the face of it, it has also made Echo's own 390esx obsolete as it's both lighter and more powerful.
But presumably that's what it is meant to replace so you'd be expecting an improvement.
Not many pro saws under 50cc available so if it's a good saw there's no reason why it shouldn't sell. The 43cc Makita is widely used and well regarded here but as above, not being made any more, this seems like a good replacement.
4310 (known as Kioritz CS43RS in Japan) replaced CS42RS there.
In Europe it doesn't exactly replace 390ESX - more so like a line-up spot taker.
Physically it fills the gap (left for years) after Shindaiwa 452s/ECHO 452ESX were gone.
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On 31/07/2022 at 15:46, Echo said:
Echo CS-4310SX 16
OAKLEYSGARDENMACHINERY.CO.UK
The ECHO CS-4310SX is a professional grade, mid sized chain saw suitable for a wide range of applications, including felling...Very pricy for what it is.
I don't see how heavier and weaker competitors MS 241 and 543XP are any cheaper.
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1 hour ago, Stere said:
I read that some sponge filters need oil on them to work better.
Just rip out the spitback plate then. The engine will provide all the oil on the filter you want
Oil will attract all the dust even sooner. With all seriousness all saw manufacturers try to avoid oil getting on the filter with even paying money for patents of spitback prevention measures. Here’s a pic of a weirdest one
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16 hours ago, stewmo said:
Just wondering on the difference on these two….
Air Filter - Echo CS-2511TES
Air filter for the Echo CS2511TES chainsaw. Complete air filter includes both halves as per picture. A...This one I have and seem to have to replace fairly regularly.
Notice Chainsawbars has this one at 3x the price….looks like fabric rather than plastic mesh
A226001991 Air Filter Echo 2511TES - both halves of filter
A226001991 Air Filter Echo 2511TES - both halves of filter. This gives you a full replacement air filter for this saw.Any wisdom on the differences?
Nylon mesh usually has lower density (~50 micron particle filtration) is easily washable and is the best option to prevent frost formation in low temperatures.
The felt filter has less than 20 micron particle filtration, provides good engine protection for lazy homeowners and in dusty dry conditions
The downside is - it’s hard to wash and some of the dirt accumulates between layers, so needs to be changed way more often.
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On 16/04/2022 at 10:39, peatff said:
Apparently not. Sorry John can't help but Echo always seem to have an overlap when they bring out a new version like their CS-361WESand CS-362WES which also look like the same saw.
It is the same saw, just differrent cylinder plating and additional felling mark.
Well, the latest 362TES mod includes more aggressive ignition mapping at low revs but that one did not change the last “update digit”
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On 15/04/2022 at 23:50, john87 said:
Hi All,
Thinking of getting a bigger saw. I can see that you all love the CS-620, but what about the latest version the CS-621SX???
Anyone got one??
john..
621SX is an updated version of 620SX. Added few external durability improvements like starter metal inserts, metric threaded crankcase screws, updated roller catcher.
New clutch cover has captive nuts (same as 7310).
Internally - engine has slightly more low end torque and unnoticeably less at higher speeds. Different porting and ignition map.
Piston is now ventilated, has echo-specific hard coating, has higher thermal durability upper cage bearing, different piston pin and differrent rings.
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On 09/04/2022 at 18:09, Gerbutt said:
Hello again. With mine it’s flashing 4 times per second with the brake on and then it’s on all the time with the brake off. You can’t turn the saw on and off with the button which you could before?
If it happens with fully charged battery just get it to the dealer.
There is 5/2y warranty unit and non-turning off will definitely be covered
Normally the membrane button turns it off in any situation.
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On 05/04/2022 at 10:54, peatff said:
That's complicated. What happens if you put the battery in while the chain brake is on does it play a tune ? I like petrol ones, when the engine is quiet the saw is off.
Can’t understand the idea about “complicated” part.
Putting fuel in = putting battery in
Pulling starter = pushing ON
Turning OFF = turning OFF
Only difference - battery saw blinks to indicate brake is engaged and also turns off soon if you leave in the middle of kindergarden or next to the clueless groundies
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10 hours ago, Gerbutt said:
Hello all.
I’ve got the above saw and it’s just started playing up. When I put the battery in the on off button lights up and it’ll work with the chainbrake off but when I put the chainbrake on the green light flashes. The on off button doesn’t turn off either. Any ideas what could be wrong?
Thank you
The blinking green light indicates the chainbrake is on. The meanings of 2 types of blinking warnings are in that book nobody reads called manual
Make sure you charge the battery before starting to play.
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3 minutes ago, Steve Bullman said:
What was the first?
ECHO DCS-1600 (and now it's successor DCS-3500). Also DCS-2500T with a mesh.
And yes, dense mesh is considered an air filter by Stihl themselves - see FSA 135 for reference:
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ECHO DCS-2500T Review
in Chainsaws
Posted · Edited by Piston Skirt
Glad to help
The US and non-US versions (and certifications) usually differ, hence the differences in certified bar manufacturers and lenghts as there are some differences in requirements and testing procedures.
Originally this chainsaw was designed around A4S chain hence it performs the best with narrow gauge 1/4".
The 3/8" laminated Tsumura is somewhat "budget" version.
Here are the official sizes from catalogue (20cm is 8", 25cm is 10"):