Komatsu PC600LC-7 Manual page 89

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
No. 2 MAIN PUMP
MODEL: HPV95+95
PA1 : Front pump discharge port
PA2 : Rear pump discharge port
PD12 : Drain port
PD22 : Drain port
PS : Pump suction port
PSV : Servo basic pressure IN port
PECN : CO+NC valve output pressure port
PC600, 600LC-7
HYDRAULIC PUMP (PISTON PUMP)
1. Front pump
2. Front servo valve
3. Rear servo valve
4. Rear pump
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