24. SERVICE PROCEDURE Remove the two fuel pump support bracket to cylinder block bracket mounting capscrews. Remove the four fuel pump mounting capscrews and the fuel pump. Remove the drive coupling. Clean the gasket surfaces of the pump support and the air compressor. Inspect the mounting surfaces for damage. Inspect the jaw coupling spider and the jaw coupling hub for damage or wear. Install STC Install the fuel pump drive coupling. Use a new gasket when installing the fuel pump. Install the four 12 point fuel pump mounting capscrews. PC450-ENG 3-85