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Auto feed help

#1

mikehouse

mikehouse

Ok,i've got the FS 70rc weedeater.Works fantastic.My feed head is a c 23-2 autofeed.So to advance line,should i
a) tap and then speed up or
b)speed up and then tap?
Neith seems to work for me.But if i push i the head manully,it's fine.I'm sure my techique sucks.


#2

D

Darryl G

Not sure which head I have on my Stihl trimmer but in general tap with it at speed.

Sometimes the springs for bump feed heads get compressed and sometimes dirt gets in them. I give the springs a little pull to stretch them back out and clean any accumulated dirt out periodically.


#3

Boudreaux In Eunice La.

Boudreaux In Eunice La.

High speed then bump the feed head.... If not then your string is tangled inside the head.... Or the line is not installed the right way...... Or you have line/string that is toooo big for your head.......

Let us know Mon Ami ~!~!


#4

D

Darryl G

Yeah, that too, or sometimes the string will weld together a bit, get stuck and not spool out.


#5

7394

7394

Yep, cheap string will weld more often. I use Echo Cross-Fire string. Never had a weld issue.

Yes agree about Revved up & then bump to advance string.


#6

Boobala

Boobala

AND ...... when ya get a few extra "sheckles" put aside, ... think about gettin a "Speed-Feed" head .. :thumbsup:


#7

B

bertsmobile1

Boobala said:
AND ...... when ya get a few extra "sheckles" put aside, ... think about gettin a "Speed-Feed" head .. :thumbsup:
Click to expand...

Or a dragnon fly head that takes precut lengths.
In the long run they use or rather don't waste any where near as much line as bump heads, the line never tangles, they are lighter, never jamb and cut closer to the ground without having a very steep attack angle so can cut flat to within an inch of the ground, nothing to break nothing to wear out.
Down side is of course the width of the cut progressively shortens till you decide to replace the line.


#8

D

Darryl G

7394 said:
Yep, cheap string will weld more often. I use Echo Cross-Fire string. Never had a weld issue.

Yes agree about Revved up & then bump to advance string.
Click to expand...
I keep coming back to the Echo Cross-Fire string myself. I like how it cuts and it's fairly tough/durable. I run the 095 in my loop handle trimmers for my regular mowing route and 105 in my Sthil bike handlebar trimmer that I use for less regular trimming duties.


#9

B

bertsmobile1

And using line that is too thick for the size of the engine will cause the line to weld together a lot more .
And it is actually a friction weld, that is just how easily plastic can weld.


#10

D

Darryl G

bertsmobile1 said:
And using line that is too thick for the size of the engine will cause the line to weld together a lot more .
And it is actually a friction weld, that is just how easily plastic can weld.
Click to expand...

Don't doubt what you're saying but rather than scratch a hole in my head trying to figure out why that would be true, care to share some insight on how that would cause welding? Why would an engine that's too small cause friction/welding down at the head?


#11

B

bertsmobile1

Because the line hits the object to get cut and just flexes pulls tighter on the spool the releases when the line passes the object it can not cut.
When the line flexes it is closer to the center of the head so has less centrifugal force, cause it is both closer and at an angle ( remember vectors at school ) thus the line tension reduces then when it runs perpendicular at the back where it is over the ground that has been cut.
Line that is too heavy also spins at an angle to the head because it reduces the top speed that the engine can drive.
Exactly the same as running with line that is too long.
An experienced operator will hear the engine reving harder when the line shortens or even feel it so know when to advance the line.


#12

D

Darryl G

bertsmobile1 said:
Because the line hits the object to get cut and just flexes pulls tighter on the spool the releases when the line passes the object it can not cut.
When the line flexes it is closer to the center of the head so has less centrifugal force, cause it is both closer and at an angle ( remember vectors at school ) thus the line tension reduces then when it runs perpendicular at the back where it is over the ground that has been cut.
Line that is too heavy also spins at an angle to the head because it reduces the top speed that the engine can drive.
Exactly the same as running with line that is too long.
An experienced operator will hear the engine reving harder when the line shortens or even feel it so know when to advance the line.
Click to expand...
Got it, thanks.


#13

mikehouse

mikehouse

Lots of info here.I'm inclined to agree with Beaudreaux about line being tangle,and Darryl G with the spring being compressed.Good ideas.I have. undone and rewound a couple of times,but probably too tight maybe.I'll use all these ideas next time i weedeat.


#14

7394

7394

Boobala said:
AND ...... when ya get a few extra "sheckles" put aside, ... think about gettin a "Speed-Feed" head .. :thumbsup:
Click to expand...

Yes, well my Shindaiwa wacker came with a Speed Feed 400 head.


#15

D

Darryl G

I wind my line pretty snug. What you do need to be mindful of is trying to distribute the line across the whole width of the spool as you go so that the line closer to the end can't slip down and get trapped under the line further down.


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