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