Servo Advance Plunger and Piston — Mechanical Light Load Advance
Remove the servo advance plunger. (Figure 4-105, Left).
Using a one inch socket and breaker bar, loosen and remove the spring side piston hole plug. (Figure 4-105, Right).
Remove the mechanical light load advance spring and servo advance valve from the advance piston. (Figure 4-106, Left).
Next, remove the power side advance piston hole plug. (Figure 4-106, Right).
Using needle nose pliers, carefully remove the cam advance pin from the advance piston. (Figure 4-107, Left).
Now remove the advance piston from its housing bore. (Figure 4-107, Right).