(M8x60mm)
1.Remove the Seven caps from the block.
2. Install seven O-rings (10mm) to the block.
3.Install four plugs (G1/4:3pcs, G3/8:1pcs)
to the block.
Tighten the plugs to the following torque.
G1/4 : 25-29Lbfft (34-39Nm)
G3/8 : 36-43Lbfft (49-59Nm)