After that, the engine is cranked to undertake a compression testing procedure. The gauge will subsequently be able to read several compression strokes from that particular cylinder as a result of this. Continue to allow the engine to spin until the gauge has received at least six ″puffs,″ at which point remove the key from the ignition.
How do you check the compression on an engine?
Install your engine compression gauge into the first spark plug hole on the engine. (See illustration) You’ll want to do compression tests on each individual cylinder. Begin with the cylinder nearest to you and work your way backwards, then repeat the process on the other side (if necessary) until you have performed each compression test. Short bursts of engine power are recommended.
How do you use a compression test tube?
You are now ready to attach the test gauge to the testing tube, which should be securely placed on the silver adapter.Engine compression is displayed on the gauge.Pull back the collar at the end of the gauge and slip it over the metal end of the tube to secure it in place before using it.
Give it a little tug to ensure that it is turned on.The dial specifies the amount of compression in that particular cylinder.
How many strokes do you use to test for compression?
When testing the compression in the first cylinder, whether you use 4 or 6 strokes, make sure you utilize the same amount of strokes for the remainder of the cylinders. 2. Take note of how much the needle on the gauge swings up or down the scale. Record the compression reading on a piece of paper using the final stroke. 3. (amount of compression indicated by the needle). 4.