Homemade compression tester10/13/2023 We sincerely hope to start a win-win and friendly partnership with you. Inquiry or visit to our company are warmly welcome. If you are interested in any of our products, please feel free to contact us. Advanced equipment, strict quality control, customer-orientation service, initiative summary and improvement of defects and extensive industry experience enable us to guarantee more customer satisfaction and reputation which, in return, brings us more orders and benefits. As such, we sincerely invite all interested companies to contact us for future cooperation, We welcome old and new customers to hold hands together for exploring and developing For more information, please feel free to contact us. The product will supply to all over the world, such as Europe, America, Australia,Egypt, Costa Rica,Chile, Myanmar.Based on our guiding principle of quality is the key to development, we continually strive to exceed our customers' expectations. As we are moving forward, we keep an eye on our ever-expanding product range and make improvement to our services. Now for the two uses: with the Schrader valve in place attach your compression tester with the Schrader valve out attach to your Mityvac for crankcase P and V test.Engine Diagnostic Test Cost - China Manufacturers, Factory, SuppliersĪssume full responsibility to satisfy all needs of our clients achieve continual advancements by endorsing the expansion of our purchasers turn into the final permanent cooperative partner of clientele and maximize the interests of clients for Engine Diagnostic Test Cost, Cylinder Bore Tool, Ball Joint Breaker Tool, Ball Joint Clip Tool, Timing Belt Tensioner Tool. Find a nice O-ring to replace the plug gasket. When dry, fill in between valve housing and plug at the bottom and fill the rest of the void at the top. Use enough JB Weld to seat the assembly with about 1/16th inch of the valve housing above the bottom edge of the sparkplug (third picture). Fit the dried assembly into the plug - you may have to drill out the plug a little. You'll have to remove the center electrode and ceramic from the plug, and it helps to grind away the crimp just above the hexagonal nut. Cut the ground electrode off the sparkplug. You want the plunger to stick out above the housing. Remove valve and cut away to just above that point. Once dry, fit the Schrader valve and note where the top thread is. The two pieces just need to mate up nicely, they're going to be glued anyway (second picture). If needed, drill and expand one end of the copper tubing. Grind the small end of the valve to reduce the diameter. When you cut away the rubber from a tire valve, you are left with a brass tube into which a Schrader valve can be placed (see first picture). Items #1 and 3 could be had free at a small engine repair shop and tire shop, respectively. Materials: one sparkplug, the size used on your saw one short piece of copper tubing, about 1/4" diameter one discarded tire valve one low-pressure Schrader valve JB Weld. Many of you will only need to make one of these. This seems like a lot of work, but it's not that bad - the instructions are long because they are detailed. OMT Compression Tester, 8PCS Engine Cylinder Pressure Gauge for Petrol Gas Engine, 0-300PSI Engine Compression Tester Automotive with Adapters for Cars Trucks Motorcycles Marines ATV UTV 4. As you will see, these homemade goodies will serve not one but two purposes. This is for those who just like to make their own tools and/or are on a tight budget. When checking chainsaw compression your Schrader valve MUST be at the spark plug hole. But when your piston diameter is, say, 37 mm, adding the volume of the "pass through" hose before you get to the Schrader valve makes a huge difference. When you are checking compression on a 427 big block it's not going to make much difference where the Schrader valve is. Good Schrader valve is the NAPA 700-9556 at about $10 for a 5 pack. But the long body type schrader valves cannot be installed/used in some of the adapters due to their body length Compression tester homemade and Schrader valves In one of the posted links to this site you will see about modding a spark plug and also how I made some of my own low pressure schrader valves by cutting the spring on the long body type schrader valves.
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