If youre testing a diesel engine make sure youre. Disconnect the main wire to the coil and spark plug.
Milton S 1251 Deluxe Compression Tester
How to use a compression tester. As the tested cylinder comes up on its compression stroke. Performing the test 1. Preparing the testing unit. There are several adapters in a compression test kit. First of all connect the tester to a cylinder and turn the engine over 6 to 8 compression strokes. Use a dab of grease or vaseline to lube the threads and o ring on adapter.
Note how fast the compression increases and write down the highest reading. Hold the throttle all the way open. Step 1 remove the fuel pump and fuel injection fuses. Next have a friend crank the engine for five seconds or so while you observe the gauge. 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. This will prolong o ring life.
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. 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. Two of them with the tubes in the picture above are to hold directly against the cylinder hole where the spark plug was. 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. The leakdown tester is less common and you need to get a.
Connect the compression gauge to the opposite end of the hose. You will be able to hear the cranking speed slow. This should include a representative sample of the products whether they are boxes pallets. Put the compression test adapter into the engines first cylinder. The other four are to replace various size spark plugs. Then the load is placed in the compression tester between the compression platen and the base.
Look down on the engine to figure out which. Regarding how to use a compression tester there are several steps involved. Crank the engine at least 4 times to. With a compression tester a few hand tools and 20 minutes you can try this yourself. Hook up compression tester to a cylinder.
Gallery of How To Use A Compression Tester
