Product:  TRUCK

Model:  770 TRUCK BZZ

Configuration: 770 Off-Highway Truck BZZ00001-UP (MACHINE) POWERED BY C15 Engine

Specifications 770 and 772 Off-Highway Truck Prelubrication and High Speed Oil Change

Media Number -RENR8266-02 Publication Date -01/07/2009 Date Updated -13/07/2009

i03626386

Pump and Motor (Secondary Steering, Brake Release, Prelubrication, High Speed Oil Change - QuickEvac)

SMCS - 1319; 1325; 3203-EA; 4354-SST

S/N - -

Illustration 1 g01250044

Illustration 2 g01250047

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(1) Torque for four bolts ... 52 ± 3 N·m (460 ± 27 lb in)

(2) Plug

Torque for two plugs ... 15 ± 2 N·m (11 ± 1 lb ft)

(3) Torque for two bolts ... 37 ± 2 N·m (327 ± 18 lb in)

(4) Torque for two bolts ... 102 ± 7 N·m (75 ± 5 lb ft)

Note: The main relief valve for the secondary steering pump is located behind plug (2) .

Main relief valve pressure setting for the secondary steering pump ... 17410 ± 518 kPa (2525 ± 75 psi)

(5) Hydraulic pump for secondary steering

Refer to the Specifications, "Pump and Motor (Secondary Steering, Brake Release, Prelubrication, High Speed Oil Change - QuickEvac)" of the Steering System module.

Refer to the Systems Operation and Testing and Adjusting of the Steering System module.

(6) Hydraulic pump for parking and secondary brake release

Refer to the Specifications, "Pump and Motor (Secondary Steering, Brake Release, Prelubrication, High Speed Oil Change - QuickEvac)" of the Air System and Brakes module.

Refer to the Systems Operation and Testing and Adjusting of the Air System and Brakes modules.

(7) Hydraulic pump for prelubrication and quick evacuation

Bench test specifications

Oil ... SAE 10W

Stabilized oil temperature ... 66 °C (150 °F)

Pump output ... 39.5 L/min (10.4 US gpm)

Pressure ... 690 kPa (100 psi)

Pump speed ... 1800 rpm

(8) Electric motor for pump

Bench test specifications

Current that is required to run the hydraulic pump for secondary steering (5) ... 488 A

Current that is required to run the hydraulic pump for parking and secondary brake release (6) ... 233 A

Nominal voltage ... 24 V

Motor speed ... 1800 rpm

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