Komatsu PC500LC-10R Shop Manual page 205

10 STRUCTURE AND FUNCTION
15: Bearing
16: LS valve
Sectional view (explanation of structure)
• Cylinder block (7) is supported on shaft (1) by spline (a).
• Shaft (1) is supported by each bearing (15) at the front and rear.
• The tip of piston (6) is shaped as a concave sphere and is crimped with the shoe (5).
• Piston (6) and shoe (5) form a spherical bearing.
• Rocker cam (4) has flat surface (A), and the shoe (5) is always pressed against this surface while sliding in
a circular pattern.
PC500LC-10R
COMPONENT PARTS OF HYDRAULIC SYSTEM
17: Bevel gear
18: Impeller
10-111