Textron JACOBSEN GP400, Technical/Repair Manual

Page: 121 / 354

HYDROSTATIC POWER TRAIN
4252490-Rev A 5-3
5
Specifications
Test Specifications
Repair Specifications
Specification
Traction Pump Flow
gpm (lpm)
13.5 (51) @ 3400 rpm
Charge Pump Flow
gpm (lpm)
5 (19) @ 3400 rpm
Gear Pump Flow
gpm (lpm)
5.8 (22) @ 3400 rpm
Implement Relief Pressure
psi (bar)
800 ± 10% (55 ± 10%) @ 3400 rpm
Charge Pressure
psi (bar)
150–210 (10–14) @ 3400 rpm
Hydrostatic Leakage Percentage Ranges 0–10% = Good
11–20% = Marginal
21% and Beyond = Bad
Specification
Traction Pump—Port “V1” Fitting Torque
lb-ft (N·m)
27 (37)
Traction Pump—Port “S” Fitting Torque
lb-ft (N·m)
77 (105)
Traction Pump—Port “L1” Fitting Torque
lb-ft (N·m)
55 (74)
Traction Pump—Ports “A” and “B” Fitting Torque
lb-ft (N·m)
55 (74)
Flushing Valve—Relief Valve Torque
lb-ft (N·m)
44 (60)
Flushing Valve—Check Valve Torque
lb-ft (N·m)
44 (60)
Flushing Valve—Port “RW1” Fitting Torque
lb-ft (N·m)
77 (105)
Flushing Valve—Port “RW2” Fitting Torque
lb-ft (N·m)
77 (105)
Flushing Valve—Port “PP” Fitting Torque
lb-ft (N·m)
27 (37)
Flushing Valve—Port “DR” Fitting Torque
lb-ft (N·m)
27 (37)
Front Wheel Motor—Mounting Screw Torque
lb-ft (N·m)
59–66 (80–90)
Front Wheel Motor—Inlet Port Fitting Torque
lb-ft (N·m)
77 (105)
Front Wheel Motor—Outlet Port Fitting Torque
lb-ft (N·m)
77 (105)
Front Wheel Motor—Case Drain Port Fitting Torque
lb-ft (N·m)
27 (37)
Front Wheel Motor—End Cover Screw Torque
lb-ft (N·m)
50–55 (68–75)
Rear Wheel Motor—Mounting Screw Torque
lb-ft (N·m)
59–66 (80–90)
Rear Wheel Motor—Inlet Port Fitting Torque
lb-ft (N·m)
77 (105)
Rear Wheel Motor—Outlet Port Fitting Torque
lb-ft (N·m)
77 (105)
Rear Wheel Motor—End Cover Screw Torque
lb-ft (N·m)
50–55 (68–75)