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Section E
2 - 3
Hydraulic Pumps
Variable Flow
Type
Reference
Mounting
*
Load Sense Pressure (in neutral position)
Load sense pressure relief Valve (if fitted)
Stand-by Pressure
Maximum Hydraulic Stall Pressure
460001 to 472554 without relief valve
460001 to 472554 with relief valve and all from 472555
Maximum Displacement
Flow at 2200 rev/min and 2500 lb/in
- minimumum acceptable flow rate (new or rebuilt pump)
- minimumum acceptable flow rate (used pump)
Flow in the Load Sense Line at 2200 rev/min (no pressure)
Weight
† Note: It is not possible to test full pump flow at system pressure, figures quoted give a 'snapshot' indication of pump
performance. For more detail refer to Service Procedures, Variable Flow Pumps - Flow and Pressure Testing.
9803/3280
Hydraulics
Technical Data
2
pressure †
Purchased from www.WorkshopManuals.co.uk
Variable Displacement
A10VO - 978753
Gearbox
Maximum permitted - 5 bar; 72.5 lbf/in
2
230 bar; 3335 lbf/in
2
20 bar; 290 lbf/in
2
232 bar; 3364 lbf/in
2
270 bar; 3915 lbf/in
3
74cc/rev; 4.5 in
/rev
75 -80 litres/min; 16.5 - 17.6 UK gal/min
70 - 75 litres/min; 15.4 - 16.5 UK gal/min
1 - 5 litres/min; 0.22 - 1.1 UK gal/min
TBAkg (TBA lbs)
Section E
2 - 3
2
Issue 2*
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