416C, 426C, 428C, 436C and 438C Backhoe Loaders Hydraulic and Steering System Caterpillar


Metering Pump (Steering)

Usage:

426C 1CR

123-2374 Metering Pump Two-Wheel Steer ( 416C, 426C, and 436C Machines)




Illustration 1g00333758

Flow Rating ... 23 L/min (6.1 US gpm)

Inlet Pressure Rating ... 17200 kPa (2495 psi)

Return Pressure Rating ... 1000 kPa (145 psi)

Displacement ... 146 cc/rev (8.9 cu in/rev)

(1) Torque for the plug ... 11 ± 2 N·m (97 ± 18 lb in)




Illustration 2g00333760

  1. Torque the seven bolts (2) to a torque of 14 ± 3 N·m (124 ± 27 lb in) in the order that is shown.

  1. Torque the seven bolts (2) to a torque of 28 ± 3 N·m (248 ± 27 lb in) in the order that is shown.

121-7739 Metering Pump Two-Wheel Steer ( 428C and 438C Machines)




Illustration 3g00333758

Flow Rating ... 23 L/min (6.1 US gpm)

Inlet Pressure Rating ... 17200 kPa (2495 psi)

Return Pressure Rating ... 1000 kPa (145 psi)

Displacement ... 120 cc/rev (7.32 cu in/rev)

(1) Torque for the plug ... 11 ± 2 N·m (97 ± 18 lb in)




Illustration 4g00333760

  1. Torque the seven bolts (2) to a torque of 14 ± 3 N·m (124 ± 27 lb in) in the order that is shown.

  1. Torque the seven bolts (2) to a torque of 28 ± 3 N·m (248 ± 27 lb in) in the order that is shown.

142-7549 Metering Pump All Wheel Steer ( 416C, 426C, and 436C Machines)

Inlet Pressure Rating ... 17500 kPa (2538 psi)

Return Pressure Rating ... 1500 kPa (218 psi)

Displacement ... 150 cc/rev (7.63 cu in/rev)




Illustration 5g00333760

  1. Torque the seven bolts (2) to a torque of 14 ± 3 N·m (124 ± 27 lb in) in the order that is shown.

  1. Torque the seven bolts (2) to a torque of 28 ± 3 N·m (248 ± 27 lb in) in the order that is shown.

142-7539 Metering Pump All Wheel Steer ( 428C and 438C Machines)

Inlet Pressure Rating ... 17500 kPa (2538 psi)

Return Pressure Rating ... 1500 kPa (218 psi)

Displacement ... 125 cc/rev (9.15 cu in/rev)




Illustration 6g00333760

  1. Torque the seven bolts (2) to a torque of 14 ± 3 N·m (124 ± 27 lb in) in the order that is shown.

  1. Torque the seven bolts (2) to a torque of 28 ± 3 N·m (248 ± 27 lb in) in the order that is shown.

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