Hydraulic Pump (Piston Pump) - Komatsu PC600LC-7 Manual

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD

HYDRAULIC PUMP (PISTON PUMP)

No. 1 MAIN PUMP
MODEL: HPV95+95
PA1 : Front pump discharge port
PA2 : Rear pump discharge port
PD11 : Drain port
PD21 : Drain port
PCF : CO selector pilot port
PCR : CO selector pilot port
PD : Jet sensor downstream pressure IN port
PS : Pump suction port
PT : Jet sensor upstream pressure IN port
PSV : Servo basic pressure IN port
PECN : CO+NC valve output pressure output port
10-34
HYDRAULIC PUMP (PISTON PUMP)
1. Front pump
2. Front servo valve
3. Front CO+NC valve
4. Rear servo valve
5. Rear CO+NC valve
6. TVC valve
7. Rear pump
PC600, 600LC-7