Remove 5 cover-to-meter body screws and lock washers. Lift off fuel meter cover with fuel pressure regulator assembly (rear unit) or fuel pressure compensator assembly (front unit) attached. Remove cover gaskets. See Fig 1
.
CAUTION:
Do not remove 4 screws attaching pressure regulator (compensator) to fuel meter cover. The regulator (compensator) includes a spring under heavy tension which may cause personal injury if released. Fuel meter cover and pressure regulator (compensator) are serviced as an assembly only. Do not immerse assembly in any type of cleaning solvent.