Table of Contents
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SEN01995-01
Solenoid valve
PPC lock, travel junction, merge-divider, travel speed, swing brake, machine push-up and 2-stage
relief solenoid valves
1.
PPC lock solenoid valve
2.
Travel junction solenoid valve
3.
Merge-divider solenoid valve
4.
Travel speed solenoid valve
5.
Swing brake solenoid valve
6.
Machine push-up solenoid valve
7.
2-stage relief solenoid valve
26
10 Structure, function and maintenance standard
1
T:
To tank
A1: To PPC valve
A2: To main valve (Travel junction valve)
A3: To main valve (Merge-divider valve)
A4: To both travel motors
A5: To swing motor
A6: To main valve (2-stage safety valve at boom
cylinder head)
A8: To main valve (2-stage relief valve)
P1: From main pump
ACC: To accumulator
PC300, 350-8
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Table of Contents
Troubleshooting
