Komatsu Galeo PC138US-8 Shop Manual page 882

SEN02713-00
JJ1. Pressure compensation valve F
(Right travel)
JJ2. Suction valve (Right travel)
JJ3. Suction valve (Right travel)
JJ4. Spool (Right travel)
JJ5. Pressure compensation valve R
(Right travel)
JJ6. Travel junction valve + LS check valve
JJ7. Unload valve
JJ8. LS bypass valve
NN1. Pressure compensation valve F (Arm)
NN2. Suction valve (Arm)
NN3. Suction valve (Arm)
NN4. Spool (Arm)
NN5. Pressure compensation valve R (Arm)
NN6. Hydraulic drift prevention valve (Arm)
NN7. Pressure compensation valve F (Bucket)
NN8. Suction valve (Bucket)
NN9. Suction valve (Bucket)
NN10. Spool (Bucket)
NN11. Pressure compensation valve R (Bucket)
26
50 Disassembly and assembly
JJ9. Merge-divider valve spool
JJ10. Main relief valve
JJ11. Cooler bypass valve
JJ12. Lift check valve
JJ13. Pressure compensation valve F (Boom)
JJ14. Suction valve (Boom)
JJ15. Hydraulic drift prevention valve (Boom)
JJ16. Suction valve (Boom)
JJ17. Spool (Boom)
JJ18. Pressure compensation valve R (Boom)
NN12. Pressure compensation valve F (Service)
NN13. Safety-suction valve
NN14. Safety-suction valve
NN15. Spool (Service)
NN16. Pressure compensation valve (Service)
NN17. Safety-suction valve
NN18. Pressure release plug
F: Flow control valve
R: Pressure reducing valve
PC138US, USLC-8