2-6 4234520 First Edition
SPECIFICATIONS AND GENERAL INFORMATION
2
Hydraulics
Repair Specifications
Front Axle Motor—Backplate Assembly Screw Torque lb-ft (N·m) 15–18 (20–24)
Front (Drive) Axle Assembly—U-Bolt Nut Torque
lb-ft (N·m) 50 (67.8)
Front Axle—Ring Gear Screw Torque
lb-ft (N·m) 45–60 (61–81)
Front Axle—Pinion Nut Torque
lb-ft (N·m) 200–220 (271–298)
Front Axle—Pinion Rotation Torque
lb-in (N·m) 20–40 (2.3–4.5)
Front Axle—Bearing Cap Screw Torque
lb-ft (N·m) 70–90 (95–122)
Front Axle—Backlash Tolerance
inch .005–.008
Front Axle—Differential Cover Screw Torque
lb-ft (N·m) 30–40 (41–54)
Rear Wheel Motor—Valve Housing Screw Torque
lb-ft (N·m) 36–37 (49–50)
Rear Wheel Motor Hub Nut Torque
lb-ft (N·m) 175–200 (237–271)
Test and Adjustment Specifications
Front Cutting Unit Pump Flow gpm (lpm) 12.2 (46.2) at 2800 rpm
Left Wing Cutting Unit Pump Flow
gpm (lpm) 12.2 (46.2) at 2800 rpm
Right Wing Cutting Unit Pump Flow
gpm (lpm) 12.2 (46.2) at 2800 rpm
Lift/Steer Pump Flow
gpm (lpm) 9.1 (34.5) at 2800 rpm
Hydraulic Leakage Percentage Ranges 0–10% = Good
11–20% = Marginal
21% and beyond = Bad
Lift System Relief Valve Pressure Setting
psi (bar) 1500 (103)
Steer System Relief Valve Pressure Setting
psi (bar) 1500 (103)
Front Cutting Unit Deck Valve System Relief Valve
Pressure Setting
psi (bar) 2700–3300 (186–228)
Left Wing Cutting Unit Deck Valve System Relief Valve
Pressure Setting
psi (bar) 2700–3300 (186–228)
Right Wing Cutting Unit Deck Valve System Relief
Valve Pressure Setting
psi (bar) 2700–3300 (186–228)
Cutting Unit Motor Case Drain Rate Less than 1 pint (0.47 L) per minute at
2000 psi (138 bar)
Repair Specifications
Gear Pump—Rear Cover-to-Pump Body Bolt Torque lb-ft (N·m) 20 (27)
Mow Solenoid Valve Torque
lb-ft (N·m) 24–26 (32.5–35.3)
Mow Solenoid Valve Nut Torque
lb-ft (N·m) 5–7 (6.8–9.5)
Blade Brake Relief Valve Torque
lb-ft (N·m) 33–37 (44.7–50.2)
Deck Valve System Relief Valve Torque
lb-ft (N·m) 24–26 (32.5–35.3)
Hydraulic Oil Tank Capacity
gal (L) 17 (64.3)
Front Lift Cylinder Rod Nut Torque
lb-ft (N·m) 50 (68)
Wing Lift Cylinder Rod Nut Torque
lb-ft (N·m) 95 (129)
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