The timing chain should have little to no slack. You don’t want your cam timing to change just because you are off or on the throttle. You’re supposed to measure the deflection of one side while holding the other tight by rotating the cam sprocket.
I found the answer was if you have some strange performance problems like hesitation, misfires, or perhaps even a check engine light for a cam or crank sensor, you might want to check for timing chain slack. If the cam and crank don’t move smoothly, engine performance will be effected.
How much should the movement be on the timing chain?
In both cases, the amount of movement is the same visually estimated to be close to 1/2 inch. The balancer is 6″ diameter so that’s roughly 10 degrees. There can only be slop/play in the distributor gear and/or timing chain that would explain the two observations above. Obviously, any timing chain will gradually stretch/wear over time.
While I was writing we ran into the inquiry “How long does a 1995 Chevy S-10 Blazer timing chain last?”.
FWIW, this model car/engine does not have timing chain inspection and/or changing as part of the routine maintenance schedule like cars with timing belts. According to GM, the timing chain is supposed to last for the “life of the engine”.
How much slack should be in a chainsaw chain?
A chainsaw chain should have 1/8 inch of slack. You can measure the slack by holding the chainsaw chain with your thumb and pointer finger and pulling it tight. There should be a gap of 1/8 inch between the chain and the bottom of the guide bar. If there is less than 1/8 inch of slack, then you need to adjust the tensioner screw.
Are slack chainsaw chains too productive?
Slack chains are not too productive. According to many specialists, the 60-70% productivity of chainsaw can increase because of its chain condition. Tho sharpness of the chain is a parameter of chain condition, still, proper tension of the chain is the most prominent thing here. Who doesn’t want to have enough benefit from their tools?
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.
What does proper chainsaw chain tension look like?
Before explaining the tensioning steps, we should explain what proper chainsaw chain tension looks like. 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.
Yes, a chain that is too tight can be dangerous for both you and your chainsaw. A loose chain will result in slanted cuts, and it won’t “feed” itself into the wood so you’ll have to force the chainsaw in by bearing down on the guide bar using your own body weight which can cause the bar to bend.
How much slack should be in garage door chain?
The chain should be tightened until it sits, at its midpoint, about a quarter-inch above the rail for a square rail and a half-inch above the rail for a T-rail. It’s important that you don’t over-tighten it, as this will cause the chain rollers to wear out prematurely.
This can happen whether you have a chain driver garage door opener or a belt driven garage door opener. Slack will naturally develop overtime as your garage door motor wears out, in particular the Gear and sprocket assembly. Although counter intuitive, it is recommended not to tighten the chain or belt.
What is slack on a garage door motor?
Slack will naturally develop overtime as your garage door motor wears out, in particular the Gear and sprocket assembly. Although counter intuitive, it is recommended not to tighten the chain or belt. It is better to let it operate with the slack.
We learned although counter intuitive, it is recommended not to tighten the chain or belt. It is better to let it operate with the slack. Reason being, tightening the belt or chain garage door mechanism will create additional pressure on the gear and sprocket assembly the prompting a failure on the garage door opener components.
Is there slop/play in the timing chain?
There can only be slop/play in the distributor gear and/or timing chain that would explain the two observations above. Obviously, any timing chain will gradually stretch/wear over time. What is an unacceptable amount of chain stretch or play?
How do I know if my Chamberlain garage door opener gear is bad?
It is recommended to visually inspect the gear and sprocket assembly as many times slack on the chain will indicate deterioration in the condition of the assembly and the mechanical integrity of the components. Chamberlain and lift master garage door opener‘s have a durable design allowing them to work for many months even when the gear is broken.