Jacobsen 62287 - Hydraulics

2-10 4247530-Rev A
SPECIFICATIONS AND GENERAL INFORMATION
2
Hydraulics
Test Specifications
Gear Pump Section 1 Flow gpm (lpm) 8.7 (32.8) at 3400 rpm
Gear Pump Sections 2–5 Flow
gpm (lpm) 5.6 (21.2) at 3400 rpm
Steering Relief Valve Pressure Setting
psi (bar) 921 ± 10% (64 ± 10%)
Left Reel Relief Valve Pressure Setting
psi (bar) 1500 ± 10% (103 ± 10%)
Center Reel Relief Valve Pressure Setting
psi (bar) 1500 ± 10% (103 ± 10%)
Raise/Right Reel Relief Valve Pressure Setting
psi (bar) 1700 ± 10% (117 ± 10%)
Lower Relief Valve Pressure Setting
psi (bar) 1200 ± 10% (83 ± 10%)
Hydraulic Leakage Percentage Ranges 0–10% = Good
11–20% = Marginal
21% and Beyond = Bad
Repair Specifications
Backlap Valve—Fitting Torque lb-ft (N·m) 25 (34)
Load Control Valve—Fitting Torque
lb-ft (N·m) 17 (23)
Control Valve—Section 6 Ports “A” and “B” Fitting
Torque
lb-ft (N·m) 90 (122)
Control Valve—Section 6 Port “P1” Fitting Torque
lb-ft (N·m) 55 (75)
Control Valve—Section 5 Port “P2” Fitting Torque
lb-ft (N·m) 25 (34)
Control Valve—Section 4 Port “P3” Fitting Torque
lb-ft (N·m) 25 (34)
Control Valve—Sections 3–5 Ports “A” and “B” Fitting
Torque
lb-ft (N·m) 48 (65)
Control Valve—Section 2 Ports “A” and “B” Fitting
Torque
lb-ft (N·m) 25 (34)
Control Valve—Section 1 Port “P4” Fitting Torque
lb-ft (N·m) 25 (34)
Control Valve—Port “T1” Fitting Torque
lb-ft (N·m) 33 (45)
Rear Lift Cylinder Hose and Fitting Torque
lb-ft (N·m) 25 (34)
Front Lift Cylinder Hose and Fitting Torque
lb-ft (N·m) 25 (34)