950G Series II Wheel Loader, 962G Series II Wheel Loader and IT62G Series II Integrated Toolcarrier Hydraulic System Caterpillar

Illustration 1	g00295806

The rotation of the shaft is counterclockwise when the pump is viewed from the shaft end.

(1) Torque for the nut ... 175 ± 15 N·m (130 ± 10 lb ft)

(2) Torque for the four bolts ... 230 ± 23 N·m (170 ± 17 lb ft)

(3) Outlet for the pilot/brake pump

(4) Outlet for the implement pump

(5) Torque for the two studs ... 115 ± 12 N·m (85 ± 9 lb ft)

(6) Torque for the two bolts ... 115 ± 12 N·m (85 ± 9 lb ft)

(7) Pilot/brake pump

(8) Implement pump

(9) Pump inlet

For the pump flow test, use SAE 10 that is at 65°C (150°F).

Pilot/Brake Pump

Test at Full Speed:

Output ... 37 L/min (10 US gpm)

Pressure ... 690 kPa (100 psi)

Pump speed ... 2200 rpm

Engine speed ... 2200 rpm

Output ... 34 L/min (9 US gpm)

Pressure ... 6900 kPa (1000 psi)

Pump speed ... 2200 rpm

Engine speed ... 2200 rpm

Test at Half Speed:

Output ... 19 L/min (5.0 US gpm)

Pressure ... 690 kPa (100 psi)

Pump speed ... 1100 rpm

Engine speed ... 1100 rpm

Output ... 17 L/min (4.5 US gpm)

Pressure ... 6900 kPa (1000 psi)

Pump speed ... 1100 rpm

Engine speed ... 1100 rpm

Implement Pump

Test at Full Speed:

Output ... 292 L/min (77 US gpm)

Pressure ... 690 kPa (100 psi)

Pump speed ... 2200 rpm

Engine speed ... 2200 rpm

Output ... 263 L/min (69 US gpm)

Pressure ... 6900 kPa (1000 psi)

Pump speed ... 2200 rpm

Engine speed ... 2200 rpm

Test at Half Speed:

Output ... 146 L/min (39 US gpm)

Pressure ... 690 kPa (100 psi)

Pump speed ... 1100 rpm

Engine speed ... 1100 rpm

Output ... 132 L/min (35 US gpm)

Pressure ... 6900 kPa (1000 psi)

Pump speed ... 1100 rpm

Engine speed ... 1100 rpm