Assemble outer race of taper roller bear- ing (5) to motor housing (1). (4) (5) (5) Cylinder assembly Cylinder assembly Hold end of cylinder assembly (3) with hands and assemble cylinder assembly to housing (1). Be careful to prevent dam- age of seal by spline of shaft. When assemble cylinder assembly, spline shaft of cylinder is protruded from end of housing, therefore put pads with length 30~50 mm under bottom of housing. (6) Assemble friction plate (26) and lining plate (27). Lubricate specified hydraulic oil on each side. (7) Insert O-rings (14,29) into housing (1) and piston (28). Lubricate O-ring with grease. 7-17