Outdoor Wood Furnace Info

All-Purpose OWF Discussions => Equipment => Topic started by: Daped01 on February 14, 2012, 02:47:33 PM

Title: Jonsered 535 Problem
Post by: Daped01 on February 14, 2012, 02:47:33 PM
I bought a Jonsered 535 used from a buddy of mine.  its my first saw and I'm fairly new to the world of chainsaws so forgive me if this is a simple fix.

Once it warms up and I make 5-10 cuts on it, it seems to bog down and die on me when I give it gas.  It will idle just fine.  Do I have my chain too tight?  what is the proper way to know if the chain is at the right tension?


Thanks in advance
Title: Re: Jonsered 535 Problem
Post by: tree climber on February 14, 2012, 04:31:44 PM
with the saw not running pull down on the chain in the center should be about 3/16 of an inch. sounds more like a carbrater problem.
Title: Re: Jonsered 535 Problem
Post by: Daped01 on February 16, 2012, 07:01:07 AM
Weird.  before I bought the saw the former owner brought it in to a shop to get an overhaul done on it.  I was there when he dropped it off, and when he picked it back up.....getting frustrated!
Title: Re: Jonsered 535 Problem
Post by: Roger2561 on February 16, 2012, 08:05:57 AM
Weird.  before I bought the saw the former owner brought it in to a shop to get an overhaul done on it.  I was there when he dropped it off, and when he picked it back up.....getting frustrated!

I've seen some shoddy work done by "repair" shops.  My guess would be the carb is in need of cleaning or out of adjustment.  Do you know how to adjust the high speed jet?  Do you know where it's located?  If not, get a manual for it.  It'll show you how to do these things. 

Do you know if the shop put in clean gas?  If not, dump the old stuff (responsibly) flush the gas tank and put in new gas/oil mixture.  Roger 
Title: Re: Jonsered 535 Problem
Post by: Scott7m on February 16, 2012, 09:58:55 AM
Sounds like it's to lean....  Most small engines are set up to lean in order to please the EPA.  Richen it up and you'll likely be fine.

I never would in a million years trust a repair shop to work on stuff....  If it was a private individual ran biz that's difference but most these dealers hire folks who don't know a spark plug dorm a coil, it's crazy
Title: Re: Jonsered 535 Problem
Post by: MattyNH on February 16, 2012, 07:57:59 PM
tree climber is right about chain tension..Are you mixing the gas:oil ratio to rich where its plugging the spark plug up?..
Title: Re: Jonsered 535 Problem
Post by: willieG on February 16, 2012, 08:02:10 PM
is the saw clean...i ahd an old homelite saw that would get plugged  up with sawdust around the screen around teh pull cord and the saw would actually boile the gas in the tank and cause  an air lick and stall it out..i could restart it almost immedietly and it would idle but give it gas and it would start right away to bog down and die. probably not yoru problem but thought i would throw it out there anyway.
Title: Re: Jonsered 535 Problem
Post by: Daped01 on February 17, 2012, 10:22:43 AM
the repair shop we brought it to is a mom and pop type of place that i've brought stuff to before and not had any problems.  I put brand new gas in myself, but I could be too lean.  What is the typical mixture ratio for these saws?  I suppose I could look for the manual somewhere online and it would tell me.  I'll start with that.  if that still doesn't  do it, i'll try tinker with the carb.  I've never worked on a saw carb before, but i'm confident with enough support (ie manuals, you guys etc), I can figure it out.
Title: Re: Jonsered 535 Problem
Post by: Scott7m on February 17, 2012, 01:32:06 PM
I'm not so concerned about the mix ratio as just the adjustment screw.

I use amsoil synthetic, comes in a ketchup like package and mixes 1 gallon.  It's like 100:1

People always assume that more oil is better and boy are they wrong.  It lowers the octane rating of the fuel and makes detination take place a lot faster and ruins a lot of saws.

The lower the octane the less stable the fuel is, it's able to fire under pressure before the spark plug fires and the motor then has to crush an expanding bomb that went off way to early, this creates massive
Amounts of heat and causes a lot of pistons to stick to the cylinder wall

All of my saws get amsoil synthetic 100:1, and 93 octane gas only
Title: Re: Jonsered 535 Problem
Post by: Daped01 on February 17, 2012, 02:36:12 PM
I'm not so concerned about the mix ratio as just the adjustment screw.

I use amsoil synthetic, comes in a ketchup like package and mixes 1 gallon.  It's like 100:1

People always assume that more oil is better and boy are they wrong.  It lowers the octane rating of the fuel and makes detination take place a lot faster and ruins a lot of saws.

The lower the octane the less stable the fuel is, it's able to fire under pressure before the spark plug fires and the motor then has to crush an expanding bomb that went off way to early, this creates massive
Amounts of heat and causes a lot of pistons to stick to the cylinder wall

All of my saws get amsoil synthetic 100:1, and 93 octane gas only

thats what I'm running in mine.  Amsoil Sabre