“Chain Saw – 16” Bar, 3 Hp

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Is the bar bent?try and flip it over and see if it falls off the other side if you can see a bend

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The chainsaw chain should feel snug but still pull freely. Finally, perform a “snap” test to ensure proper saw chain tension. Simply pull the chain on the underside of the guide bar down so one or two drive links are out of the guide bar rails and release it. The chain should snap directly into position.
Gear indexing issues

One of the most common reasons for a skipping chain is simply a drivetrain that needs a simple indexing adjustment. This is so common that even many brand new bikes can exhibit these symptoms. The good news is that this is probably the simplest to diagnose and fix of all potential issues.

Good Tension-

A properly-tensioned chainsaw chain should still be just a little loose on the chainsaw guide bar, but the chain needs to be tight enough that you can`t pull the drive links out of the bar nose.

Force, which in this case is chain tension (since that is how the pedal force is transferred to the rear wheel), is torque divided by radius (i.e., force = torque/radius).
There is a tension screw located near the base of the bar on the chainsaw. To tighten the chain, turn it clockwise, and to loosen turn it counterclockwise. Don`t over-tighten the chain as this could cause it to break.
A simple way to check for low compression is to place the chainsaw on the ground and use the starter rope to lift it. Good compression will prevent the rope from pulling out. You should be able to carefully lift the weight of the chainsaw by the starting cord.
Most of the time, a skipping chain is caused by cable stretch. In the first half dozen rides on a new bike, your shift cables stretch the most. They can also stretch over time as you ride. Hippley explains, “It takes cable tension to open a derailleur, which shifts your chain between gears.
What Causes Chain Saw Kickback? There are two circumstances that can cause kickback when using a chain saw. The first occurs when the moving chain at the tip or the nose of the guide bar strikes an object. The second situation is when the wood closes in, pinching the saw chain in the middle of the cut.
Hard Shifting With a Heavy Load

Shifting under a heavy load, such as when you are pumping hard on a climb, can cause extra stress on the chain and cause it to snap. Even ordinary pedaling while shifting can put stress on a chain. Shift before a climb and back off pedaling when you shift to avoid snapping your chain.

Discover Relevant Questions and Answers for Your Specific Issue

the most relevant questions and answers related to your specific issue

What causes the chain on my 240E to jump off the chain bar often, the chain tenson is correct.
ANSWER : Is the bar bent?try and flip it over and see if it falls off the other side if you can see a bend

Oil is not lubing the chain on bar, what would be causing it?

When using the chainsaw, the chainsaw siezes, and makes the engine run sluggish. The bar and chain we not is not getting oil. The oil reservoir is fulled.

Hope this is not one of those ********, pay us first before we help us website situation.

ANSWER : Sounds like the ports on the bar are possibly clogged with debris or the oil lines going down to the bar are clogged. Check both of them to see if that might be the problem.

I have a model 55 rancher and the chain has started to jump off the bar frequently. The sprocket appears to be out of alignment with the cutting bar. How can I adjust this alignment?
ANSWER : Purchase shims should bee acouple on each side

No oil being fed to bar
ANSWER : Yes as it helps keep a loose chain from jumping into the case side. Remove the bar and chain, then clean the side port area. Start the engine–it should ooze out oil from the case side port. If nothing, inspect the oil pump, lines, and tank filter. Once oil comes out, clean the drive end of the bar oil-passages–especially, the two small channels that feed oil from the large holes out to the chain groove on either side of the bar. Clean the entire groove and check the sprocket tip for free operation. When assembled, check for proper oiling by holding the bar tip near a piece of cardboard and running the saw at speed for a few moments–it should throw off a thin line of oil onto the cardboard. Hope this helps!

Chain continualy jumps off bar
ANSWER : Sounds like the chain has stretched to the point where you now need a new chain.Jim

Bar chain oil leaking into case when not in use
ANSWER : If you store it somewhere other than a climate controlled building , the changes in temperature can cause the oil to expand out of the saw a little each time the temp. goes up.

try some absorbent cloth

Not enough oil to lube bar while running causing chain to over heat. When refueling the gas is empty but oil tank is over half ful yet. How may I make adjustments to solve this problem?
ANSWER : The machine should always run out of fuel before it runs out of oil, youhave not said what model this is, not all machines have an adjustable oil pump, some are just set for a certain length of guide bar, adusters on the oil pump increase the throw of the pump shaft so will be a slot head screw usually on the under side of the crankcase, there will also be a picture embossed into the tank with a plus and a minus, before trying to alter the pump remove the guide bar and chain and clean the the oil entry hole in the bar, and from around the bar pad.

On a husqavarna 362 xp special 71cc chainsaw very little oil is coming out to the chain i have removed the chain and bar and cleaned and still very little oil is making it to the chain what should i do ??
ANSWER : Check to see if there is an oil-volume adjustment screw located near the lower part of the chain where it goes into the cover, but mounted in the main case. It might be underneath the case in about the same location. Turn it CCW somewhat, if found, and check for oiling by holding the bar tip running at speed near some cardboard. If properly oiled, it will throw off a thin line of oil after several moments. If there is no adjustment, then you will have to investigate the oil pump, lines, and filter/valve in the oil tank. Make sure to clean the small oil passages in the drive end of the bar. Hope this helps!