New Holland T7030 Service Manual page 29

DISTRIBUTION SYSTEMS - PRIMARY HYDRAULIC POWER SYSTEM
Charge pump - General specification
Charge Pump ( 106 Ltr/Min )
Type
Charge Pressure Filter Dump Valve
Charge Pressure
Charge Pressure Switch
87628084B 12/06/2009
A.10.A / 8
Gear Type Pump
Crack open @ 6.9 bar ( 100 lbf/in2)
Fully Open @ 12.4 bar ( 180 lbf/in2)
Minimum 1.6 - 3.4 bar ( 23 - 50
lbf/in2)
@ 2100 rev/min and variable flow
piston pump 'On Load'
Close @ 0.55 - 0.82 bar ( 8 - 12
lbf/in2)
Making charge pressure warning light
flash