UPPERSTRUCTURE / Pump Device 20. Install the plunger assemblies (31, 32), retainer (30), spherical bushing (29) and cylinder spring (28) to cylinder block (27) in drive shaft (44) and driven shaft (45). 21. Align the splines and install spherical bushings (29) (2 used) and the cylinder block (27) assembly to pump casing (55). IMPORTANT: The directions to install valve plates (25, 26) at the drive shaft (44) side and driven shaft (45) side are different. Drive side: Clockwise Drivenside: Counterclockwise Notch Notch W16J-02-04-015 22. Align the valve plate pin (17) positions and install valve plates (25, 26) to valve cover (1). 23. Install check valves (21, 20, 22) to valve cover (1). 24.
When replacing needle bearing (24), install needle bearing (24) to valve cover (1) in drive shaft (44) and driven shaft (45). 25. Install O-rings (15, 58, 59) and seat packing (18) to valve cover (1) in pump casing (55). Valve Plate Check W2-4-31 Counterclockwise 25: Clockwise 26: Counterclockwise Counterclockwise 25: Clockwise