| 摘要 |
An idle adjusting tool has a body adapted for mounting on a fuel-air mixer with a bore of the body opening into a fuel passage of the mixer. A spring biases a screwdriver blade, received in the bore, away from an idle adjusting screw of the mixer. Upon displacing the screwdriver blade against the force of the spring, it is possible to engage the idle adjusting screw. Gas pressure communication between the fuel passage and a pressure gauge connected to the tool exists through the bore.
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