By removing the four countersunk screws that maintain exact alignment, the orientation of the pistonrods and tooling plate can be rotated 90 degrees without cylinder disassembly.
通过消除四个埋头螺丝保持精确一致，该活塞杆和模具板可旋转方向没有拆卸气缸90度。
2
Reciprocating piston pump crankshaft by connecting rods connected with the original motivation. Prime mover can be motor, steam engine can also be used.
往复泵的活塞由连杆曲轴与原动机相连。原动机可用电机，亦可用蒸汽机。
3
Remove piston and connecting rods from crankshaft journals.