Author Topic: CS 500 EVL Oil Pump  (Read 394 times)

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Offline farmboy

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CS 500 EVL Oil Pump
« on: July 23, 2014, 12:44:47 pm »
Know next to nothing about Echo saws only worked on 1 and that was another 500EVL.  Oil pump isn't oiling.  IPL was helpfull showed me where and how it worked.  However, I don't see anything wrong with the pump.  Orings look good on pump.  Swapped op with one out of the other 500 still not oiling?  I did notice the plunger was longer on the one out of the other saw.  Anything I should look for on these?  Is there an installed turn on the op like bottom and turn out 1 turn for initial seting?  Fairly low hr. saw.
Shep

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Offline Cut4fun .

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Re: CS 500 EVL Oil Pump
« Reply #1 on: July 23, 2014, 05:16:01 pm »
Man I was hoping Aaron knew something.  I got nothing on these older echos either.
REDNECK Saw Repair Getter Done

Offline leec

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Re: CS 500 EVL Oil Pump
« Reply #2 on: July 25, 2014, 11:55:09 am »
I would make sure the oil pick up filter is clear, not blocked.  I had a 351 that that needed three new o rings on the pump to works

Lee

Offline Eccentric

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Re: CS 500 EVL Oil Pump
« Reply #3 on: November 18, 2014, 09:54:51 pm »
Just now saw this thread.  Haven't been in the Echo section much in a while.

I haven't had the oiler apart on one of these yet.  Usual things to check are the strainer and the pickup tube.  If the strainer is plugged and/or the pickup tube has gone soft, it'll stop pumping oil.  A soft tube can collapse like a tapeworm.  Page #9 of the operators manual covers oiler adjustment.  Also make sure the oil holes in the bar and bar pad are clear.

http://www.echo-usa.com/getattachment/0db00d96-3c1d-4d41-b2dc-a9cf79088994/CS500VLE_020180.pdf

http://www.echo-usa.com/Support-Help/Technical-Documents.aspx?s=cs500vl&c=en-us
-Aaron

For older saws:
Tune the H side so that it 4-strokes (burbles) at WOT unloaded and just cleans up when under load.
When you lift cutting load, the saw should immediately revert to 4-stroking.  Fine tune the transition point for the wood you're cutting.

 

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