Drain the engine oil.

(Refer to Lubrication System - "Engine Oil")

Remove the timing chain.

(Refer to Timing System - "Timing Chain")

Remove the oil pump (A) and outer rotor (B) from the cylinder block.

Remove the ladder frame.

(Refer to Cylinder block - "Cylinder block")

Remove the O-rings (A), relief spring (B) and the relief valve (C).