Jacobsen AR-3 - Specifications; Repair Specifications; Test and Adjustment Specifications

5-2 4181384 First Edition
HYDROSTATIC POWER TRAIN
5
Specifications
Test and Adjustment Specifications
Repair Specifications
..
Portable In-Line Filter
Figure 5-1
When hydraulic components fail internally, debris from
the failed component can spread throughout the
hydraulic system causing additional damage.
Contaminated hydraulic systems should be filtered using
a portable in-line filter available through your Jacobsen
Dealer.
Specification
Hydrostatic Pump Flow gpm (lpm) 20 (76) 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)
Hydraulic Leakage Percentage
Ranges
0–10% = Good
11–20% = Marginal
21% and Beyond = Bad
Specification
Hydrostatic Pump—Hub Screw
Torque
lb-ft (N·m) 37 (50) at 3150 rpm
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)
TN1367