Komatsu PC500LC-10R Shop Manual page 362

COMPONENT PARTS OF TRAVEL SYSTEM
1: Level plug
2: Drain plug
3: No. 1 planetary gear (number of teeth: 45)
4: No. 1 sun gear (number of teeth: 10)
5: No. 2 sun gear (number of teeth: 17)
6: No. 1 planetary carrier
7: No. 2 planetary carrier
8: Cover
SPECIFICATIONS OF FINAL DRIVE
Reduction ratio: -((10+104)/10 x (17+87)/17)+1=-68.741
Quantity of lubricating oil (for each set): 9.3 ℓ
FUNCTION OF FINAL DRIVE
The travel motor is high in speed but low in torque. Accordingly, the final drive reduces the speed, increases the
driving force, and transmits it to the sprocket.
TRAVEL PPC VALVE
PPC
Abbreviation for Proportional Pressure Control
10-268
10 STRUCTURE AND FUNCTION
9: Ring gear (number of teeth of No. 1: 104, number of
teeth of No. 2: 87)
10: Hub
11: Sprocket
12: Floating seal
13: Travel motor
14: No. 2 planetary gear (number of teeth: 33)
PC500LC-10R