Remove the timing chain cover.
(Refer to Timing System - "Timing Chain Cover")
Remove the pump cover (A).
Tightening torque :
8.8 ~ 13.7N.m (0.9 ~ 1.4kgf.m, 6.5 ~ 10.1 lb-ft)
Remove the inner rotor (B) and outer rotor (C).
Install in the reverse order of removal.