Komatsu PC500LC-10R Shop Manual page 325

10 STRUCTURE AND FUNCTION
Sectional view
1: Brake spring
2: Drive shaft
3: Oil seal
4: Case
5: Disc
6: Plate
7: Brake piston
PC500LC-10R
COMPONENT PARTS OF SWING SYSTEM
8: Housing
9: Piston
10: Cylinder block
11: Valve plate
12: Center shaft
13: Center spring
14: Check valve
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