Komatsu PC600LC-7 Manual page 71

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STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
3. Servo valve assembly (No. 1 rear)
P1
: Main pump pressure IN port
P2
: Main pump pressure IN port
PCO : CO selector pilot port
PAC
: Servo actuator port
PDR : Servo valve drain OUT port
PPO : Servo basic pressure IN port
PD
: Jet sensor downstream pressure IN port
PE
: TVC valve output pressure front, rear
interconnection port
PT
: Jet sensor upstream pressure IN port
PC600, 600LC-7
HYDRAULIC PUMP (PISTON PUMP)
1. TVC valve
2. CO+NC valve
3. Connector
4. Servo valve
10-39

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