JavaScript seems to be disabled in your browser.

You must have JavaScript enabled in your browser to utilize the functionality of this website. Click here for instructions on enabling javascript in your browser.

Quadrajet Accelerator Pump Arm Casting Repair

This repair pin is used if your Rochester Quadrajet carburetor airhorn castings accelerator pump arm boss is snapped. This pin has a serrated shaft which is pressed into the inner boss, allowing the pump arm to function correctly. Saves you the expense of replacing the entire airhorn casting. Easy to install.

Quantity: 1 repair pin
Serrated shaft diameter: .100"
Inner step diameter: .181"
Overall length: .430"

Installation Instructions:
1- Remove pump arm and carefully remove pin from casting.
2- Enlarge accelerator pump arm pivot hole to fit over machined step on repair fitting. Drill arm pivot hole to .187" (3/16").
3- Debur drilled hole with 3/8" drill, turning drill by hand until side of arm is smooth and burr free.
4- Ensure pump arm rotates smoothly on repair fitting.
5- Apply red Loctite thread locker to repair fitting splines, be careful to not get thread locker onto arm pivot surface.
6- Carefully install repair fiting (w/ pump arm). Serrated pin is carefully pressed straight into existing pivot pin hole. Allow slight (pump arm) side clearance for smooth operation.

Recommended items:
#3133 Clip on Accelerator Pump Linkage, Allows easier air horn removal. Ensuring that the pump repair fitting does not need to be removed in the future.
#4252 Retainer Pins for retaining #3133 linkage.

Related Products
Related Categories
- OR -
Key in your search data and then press the Enter key.
We Accept