Jacobsen AR-3 User Manual

2-8 4181384 First Edition
SPECIFICATIONS AND GENERAL INFORMATION
2
Hydrostatic Power Train
Hydraulics
Test and Adjustment Specifications
Hydrostatic Transmission Flow @ 3150
rpm
20 gpm (76 L/min) at 3150 rpm
Forward System Relief Pressure
psi (bar) 3046 (210)
Reverse System Relief Pressure
psi (bar) 3046 (210)
Charge Pressure
psi (bar) 160 (11)
Wheel Motor Leakage (Maximum)
gpm (L/min) 2 (7.6)
Repair Specifications
Hydrostatic Pump—Hub Screw Torque lb-ft (N·m) 37 (50)
Front Wheel Motor—Hub Nut Torque
lb-ft (N·m) 332 ± 7 (450 ± 10)
Front Wheel Motor—Mounting
Flange-to-Bearing Housing Screw Torque
lb-ft (N·m) 27 (37)
Front Wheel Motor—End Cover Screw
Torque
lb-ft (N·m) 52 (70)
Rear Wheel Motor—Hub Nut Torque
lb-ft (N·m) 148 ± 7 (200 ± 10)
Rear Wheel Motor—End Cover Screw
Torque
lb-ft (N·m) 55—59 (75—80)
Test and Adjustment Specifications
Mow/Brake Relief Valve Pressure
Setting—30001 AR-3
psi (bar) 3046 (210)
Mow/Brake Relief Valve Pressure
Setting—30002 AR-3
psi (bar) 3626 (250)
Mow/Brake Relief Valve Pressure
Setting—TR-3
psi (bar) 3046 (210)
Lift/Steer Pump Flow Rate @ 3150 rpm 2.6 gpm (9.8 L/min) at 3150 rpm
Lift/Steer Pump Relief Valve Pressure
Setting
psi (bar) 1595 (110 bar)
Cutting Unit/Charge Pump Flow Rate @
3150 rpm
9.6 gpm (36.3 L) at 3150 rpm
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)

Jacobsen AR-3 Specifications

General

Brand	Jacobsen
Model	AR-3
Category	Lawn Mower
Language	English