Komatsu PC20R-8 Shop Manual page 101

Hydraulic excavator
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6
5
4
3
2
1
1. Spool
2. Adjusting spring (internal)
3. Return spring (external)
4. Plunger
5. Disc
6. Nut
PC20R-8 PC27R-8
7
8
9
10
Section A - A
Sezione A - A
Section C - C
Sezione C - C
Section B - B
Sezione B - B
Section D - D
Sezione D - D
Section E - E
Sezione E - E
7. Joint
8. Cover
9. Pin
10. Body
RKP01080
10-83

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