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| Re: BCDD Adjustment and Bench Testing |
Subject: Re: BCDD Adjustment and Bench Testing
by ddgonzal on 2022/4/25 0:14:54
yes there are two diaphragms
* one on the body-to-carburetor surface
* one on the body-to-adjuster side
The first doubles as the "gasket" to bolt onto the carburetor, it is actually a vacuum diaphragm that moves the inlet passage ball valve. The other one is between the two housing halves, and i think moves slightly when the adjuster is turned
To remove the BCDD take the screw on the pointed end, and the other two screws (marked '1' in the diagram)
If you remove all the screws the adjustment screw plate can come free. The diaphragms don't always tear, can sometimes be reused. Does the Tomco kit come with new diaphragms?
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