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Compression Test

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  1. Compression Test, Safety precautions: 步骤 1 中的图像 1,2 Compression Test, Safety precautions: 步骤 1 中的图像 2,2
    • Flip the power switch into the STOP position.

    • Make sure the engine is cool to the touch before proceeding.

  2. Compression Test, Remove the spark plug cap: 步骤 2 中的图像 1,2 Compression Test, Remove the spark plug cap: 步骤 2 中的图像 2,2
    • Pull the spark plug cap straight off of the spark plug.

  3. Compression Test, Remove the spark plug: 步骤 3 中的图像 1,1
    • Use a 5/8-inch spark plug socket to remove the spark plug from the engine.

  4. Compression Test, Check the spark plug for wear: 步骤 4 中的图像 1,1
    • Check if the spark plug is fouled and replace it if necessary.

    • The spark plug pictured in this step is in new condition.

  5. Compression Test, Connect a compression tester: 步骤 5 中的图像 1,1
    • Follow the instruction provided with your compression test kit to connect a compression tester to the cylinder.

  6. Compression Test, Test compression: 步骤 6 中的图像 1,2 Compression Test, Test compression: 步骤 6 中的图像 2,2
    • Pull the starter 5–10 times to build pressure in the combustion chamber.

  7. Compression Test: 步骤 7 中的图像 1,1
    • Read the compression gauge.

    • Pressure should read 125–165 psi (8.6–11.4 bar).

结论

To reassemble your device, follow these instructions in reverse order.

2等其他人完成本指南。

Sam Omiotek

于02/25/19注册

73,052 声望

创作了288篇指南

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