HYDRAULICS
4181384 First Edition 6-3
6
Specifications
Test and Adjustment Specifications
Specifications
Hydrostatic Pump Flow gpm (lpm) 20 (76) at 3150 rpm
Mow/Brake Relief Valve Pressure
Setting—AR-3 Model 30001
psi (bar) 3046 (210)
Mow/Brake Relief Valve Pressure
Setting—AR-3 Model 30002
psi (bar) 3626 (250)
Mow/Brake Relief Valve Pressure
Setting—TR-3
psi (bar) 3046 (210)
Hydraulic Leakage Percentage Ranges 0–10% = Good
11–20% = Marginal
21% and Beyond = Bad
Lift/Steer Pump Relief Valve Pressure
Setting
psi (bar) 1595 (110 bar)
Cutting Unit Motor Case Drain Rate—
AR-3
Less than 1 pint (0.47 L) per minute at 2000 psi (138
bar)
Cutting Unit Motor Case Drain Rate—
TR-3
Less than 1 pint (0.47 L) per minute at 2000 psi (138
bar)
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