New Holland CX720 Repair Manual page 27

DISTRIBUTION SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM
The CCLS pump uses the return oil from the hydrostatic system as its charge pressure oil and therefore does not
incorporate a charge pump. The hydrostatic return oil comes into the pump via the oil cooler at the rate of 60 l/min
(63 qts/min). Only when working in high demand conditions does the CCLS pump create an under pressure in the
suction line.
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