Remove the timing chain cover.
(Refer to Timing System - "Timing Chain Cover")
Remove the pump cover (A).
Tightening torque :
5.9 ~ 8.8N.m (0.6 ~ 0.9kgf.m, 4.3 ~ 6.5lb-ft)
Remove the inner rotor (B) and outer rotor (C).
Install in the reverse order of removal.