14H and 16H Motor Graders Hydraulic and Steering System Metering Pump (Steering) Caterpillar


Metering Pump (Steering)
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Minimal flow rating ... 23 L/min (6 US gpm)

Displacement for one revolution of the steering wheel ... 293 cubic centimeters (18 cubic inches)




Illustration 1g00810706

Isometric View of Typical Metering Pump (Steering)

(1) Inlet pressure port




Illustration 2g00810711

Section B

(2) Install inlet check valve (2) into inlet pressure port (1) to the following minimum depth (A). ... 14.2 mm (0.56 inch)




Illustration 3g00810723

Section A-A

(3) Pin

(4) Gerotor star

(5) Shaft receiver

(6) Drive

Align the pin (3) in the metering body with the gerotor star (4) in the gerotor assembly, as shown.

(7) Bolt

Preliminary torque for seven bolts that are shown in view F-F ... ()
The final torque sequence is shown in view F-F. Final torque for seven bolts that are shown in view F-F ... 28 ± 3 N·m (21 ± 2 lb ft)



Illustration 4g00810733

View E-E

(8) Install the plug so that the plug is flush with the mounting surface. Final torque for the plug ... 11 N·m (8 lb ft)

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