The other four are to replace various size spark plugs. Performing the test 1.
How To Perform A Compression Test Ericthecarguy
How to use a compression tester. With a compression tester a few hand tools and 20 minutes you can try this yourself. Then the load is placed in the compression tester between the compression platen and the base. Most compression testers come in two or more pieces that should be threaded or snapped together from the parts closest to the engine out all only by hand. The compression tester is the more common of the two and you can usually rent one at your local auto parts stores loan a tool program. Look down on the engine to figure out which. Regarding how to use a compression tester there are several steps involved.
Hold the throttle all the way open. This will prolong o ring life. Note how fast the compression increases and write down the highest reading. With the use of a few hand tools a compression tester and about 20 30 minutes you can perform the test at your very own home. The leakdown tester is less common and you need to get a. There are several adapters in a compression test kit.
Preparing the testing unit. First of all connect the tester to a cylinder and turn the engine over 6 to 8 compression strokes. Disconnect the main wire to the coil and spark plug. Crank the engine at least 4 times to. To pick up any of the products used in this video check the. Use a dab of grease or vaseline to lube the threads and o ring on adapter.
Next have a friend crank the engine for five seconds or so while you observe the gauge. As the tested cylinder comes up on its compression stroke. You will be able to hear the cranking speed slow. Two of them with the tubes in the picture above are to hold directly against the cylinder hole where the spark plug was. Hook up compression tester to a cylinder. This should include a representative sample of the products whether they are boxes pallets.
Use the correct size adapter to screw into the spark plug hole. If youre testing a diesel engine make sure youre. Put the compression test adapter into the engines first cylinder. Connect the compression gauge to the opposite end of the hose. Step 1 remove the fuel pump and fuel injection fuses.
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