Note: The pump flows, relief valve pressures and other measured values are specifications for the components that are mounted on the machine. Refer to the Testing and Adjusting for Hydraulic Systems for the procedures to measure the values.
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Illustration 1 | g00821031 |
NOTICE |
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The main hydraulic pumps must be filled with hydraulic oil before operation or damage will result. Fill the left pump through drain port located on the idle side. Fill the right pump through the drain port located on the drive side. |
Main Pump
SAE 10W oil ... 50° ± 5°C (122° ± 9°F)
Pump rotation (shaft end) ... clockwise
Measure the pump output flow at the following pressure settings:
- Minimum output flow ... 199 L/min (53 US gpm)
- Pump delivery pressure ... 17640 kPa (2558.5 psi)
- Power shift pressure ... 1270 kPa (184.2 psi)
- Pump speed ... 1800 rpm
- Minimum output flow ... 111 L/min (29 US gpm)
- Pump delivery pressure ... 29400 kPa (4264.2 psi)
- Power shift pressure ... 1270 kPa (184.2 psi)
- Pump speed ... 1800 rpm
(1) Torque for three plugs ... 370 ± 50 N·m (270 ± 37 lb ft)
(2) Torque for two plugs ... 160 ± 30 N·m (120 ± 22 lb ft)
(3) Torque for sixteen plugs ... 13 ± 2 N·m (10 ± 1 lb ft)
(4) Torque for two plugs ... 370 ± 50 N·m (270 ± 37 lb ft)
(5) Torque for two bolts ... 44 ± 4 N·m (32 ± 3 lb ft)
(6) Torque for the two pins ... 160 ± 30 N·m (120 ± 22 lb ft)
(7) Torque for two plugs ... 25 ± 3 N·m (18 ± 2 lb ft)
(8) Remove grease, oil, and dust from the threaded section of piston. Apply 154-9731 Thread Lock Compound to the threaded section.
(8) Torque for assembly ... 350 ± 30 N·m (260 ± 22 lb ft)
(9) Torque for four nuts ... 177 ± 15 N·m (130 ± 11 lb ft)
(10) Torque for two nuts ... 98 ± 9.8 N·m (70 ± 7 lb ft)
(11) 200-3250 Spring
- Free length ... 47.2 mm (1.86 inch)
- Outside diameter ... 27.5 mm (1.08 inch)
(12) 200-3251 Spring
- Free length ... 34.0 mm (1.34 inch)
- Outside diameter ... 18.4 mm (0.72 inch)
(13) 099-3671 Spring
- Free length ... 26.5 mm (1.04 inch)
- Outside diameter ... 16.0 mm (0.63 inch)
(14) 200-3246 Spring
- Free length ... 43.4 mm (1.71 inch)
- Outside diameter ... 28.5 mm (1.12 inch)
Pilot Pump
Type of pump ... Gear
Temperature for SAE 10W oil during the bench test ... 50° ± 5°C (122° ± 9°F)
Measure the output flow at the following pressure setting:
- Output flow ... 35.6 L/min (9.40 US gpm)
- Pump delivery pressure ... 4100 kPa (594.7 psi)
- Pump speed ... 1800 rpm