HYDROSTATIC POWER TRAIN
673831-Rev A 5-3
5
Specifications
Test and Adjustment Specifications
Repair Specifications
Specification
Traction Pump Flow gpm (lpm) 27.7 (105) at 3000 rpm
Charge Pump Flow
gpm (lpm) 5.2 (19.8) at 3000 rpm
Forward System Relief Pressure
psi (bar) 4060 (280)
Reverse System Relief Pressure
psi (bar) 4060 (280)
Charge Pressure
psi (bar) 200 (14)
Hydrostatic Leakage Percentage
Ranges
0–10% = Good
11–20% = Marginal
21% and beyond = Bad
Specification
Traction Pump
Charge Relief Valve Plug
lb-ft (N·m) 60-150 (81-203)
End Cap Screws
lb-ft (N·m) 40 (54)
Loop Flushing Valve Plug
lb-ft (N·m) 33 (45)
Neutral Return Seal Nut
lb-ft (N·m) 16 (22)
Bypass Valve
lb-ft (N·m) 15 (20)
High Pressure Relief Valves
lb-ft (N·m) 60 (81)
Trunnion Cover Screw
lb-ft (N·m) 24 (33)
4WD Valve
4WD Solenoid Valve
lb-ft (N·m) 40 (54)
Check Valves
lb-ft (N·m) 40 (54)
Hollow Plug
lb-ft (N·m) 12 (16)
Gauge Port Plugs
lb-ft (N·m) 17 (23)
Front Wheel Motors
Bearing Support Rotation Torque
lb-ft (N·m) 8.85 ± 30% (12 ± 30%)
Valving Cover Screws
lb-ft (N·m) 61 ± 10% (83 ± 10%)
Brake Housing Screws
lb-ft (N·m) 107 ± 10% (145 ± 10%)
Rear Wheel Motor(s)
Rear Motor Screws
lb-ft (N·m) 37-47 (51-61)
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