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Face the Coupler to the 1-1/4" Shaft

Part #: Z4606
We highly recommend "facing" the prop 1-1/4" shaft to the coupler. This is a labor charge for a procedure that guarantees your new prop shaft installation will run smooth without vibration caused by out of alignment parts.
The new unassembled coupler is one or two thousands of an inch undersized and is reamed to the precise inside diameter required for a tight fit with the shaft. In addition, the new unassembled shaft is one or two thousands oversized and is also turned to the precise outside diameter required for a tight fit with the coupler. The entire assembly is then tested on a I-beam straightener. Nine total points are checked with a dial micrometer on both sides of the coupler and along the shaft. If a bad fit is detected, our supplier will start the procedure over with another coupler and shaft to ensure accuracy of fit of the final assembly. The coupler is zinc plated and no machining is done on the exposed areas of the coupler.

For more important information, please read the article Shaft and Coupling Information below before ordering.

When you order a special order item it sets off a chain of events like Willie Wonka in the chocolate factory. Once you turn the valve the chocolate is coming down the pipe. If you then decide you want caramel, the chocolate is still going to come out of the pipe. We can't put the Chocolate back in the pipe, so someone is going to have to eat it, and it's not going to be us! Your order can't be canceled, returned, or magically changed into caramel, so please order carefully the first time!

Technical Support

Shaft & Coupling Information
Production and fitting for minimum vibration and maximum life.

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