Author Topic: Older CVA2300 - starting issue (fuel not getting through the carb)  (Read 1254 times)

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Offline Eccentric

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Sounds to me like your crank seals were failing.  20 years of service is plenty from rubber seals.  That's why it was leaning out.  Since you kept running it..............you may well have roached the piston and probably the cylinder.  Pull the muffler cover and baffles and take a peek at the piston through the port.

If it hasn't yet roached, then you can likely save it with a carb rebuild, new fuel lines, and new crank seals.  When the seals fail..........they can cause a lean condition two ways;

1)The engine can draw in air past the seals...........leaning things out.

2)The crankcase impulse signal (which drives the pump section of the carb) gets weak.  Causes the carb to lean out.

These saws have a LONG fuel line.  That requires both a good impulse signal AND a healthy pump section diaphragm in the carburetor.  It is also possible that a screen in the carb is clogged.

Crank seals are still available for these saws fron Poulan AND Husqvarna parts sources, including your local Husky dealer.  530019059 is the # for the seals.  About $4 each.  SKF4913 is the industry # for those seals.  Probably will be more expensive than the Poulan/Husky parts though...

Carb kit # is K10-WAT.  Easy to find.  Fuel line is 3/32x3/16".  Get 2 feet.

 

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