2 PC800, 850-8
SEN00382-01 10 Structure, function and maintenance standard
Undercarriage and frame
Track frame and recoil spring
a The diagram shows the PC800-8.
• The dimensions and number of track rollers may
differ according to the model, but the basic struc-
ture is the same.
• No. of track rollers
1. Idler
2. Track frame
3. Carrier roller
4. Center frame
5. Final drive
6. Track roller
7. Track shoe
8. Idler cushion
9. Front guard
Model No. of rollers (each side)
PC800, 800SE-8
PC850, 850SE-8
8
PC800LC-8 9