Komatsu PC600LC-7 Manual page 70

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STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
2. Servo valve (No. 1 front)
P2
: Main pump pressure OUT port
PDR : CO+NC valve drain IN port
PECN : CO+NC valve output pressure IN port
10-38
HYDRAULIC PUMP (PISTON PUMP)
PC600, 600LC-7

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Pc600-7

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