CB-534C and CB-634C Vibratory Compactors Propel System Caterpillar

Illustration 1	g00719135

Rotation from the drive end ... clockwise

Type of pump ... Piston

Displacement ... 56.0 cc/rev (3.42 in³/rev)

Lubricate the shaft with 6V-4876 Lubricant prior to assembly.

Test At Full Speed

Output ... 126.3 ± 3.0 L/min (33.36 ± 0.79 US gpm)

Output pressure ... 690 kPa (100 psi)

Pump speed ... 2200 rpm

Output ... 125 ± 3.0 L/min (33.02 ± 0.79 US gpm)

Output pressure ... 6900 kPa (000 psi)

Pump speed ... 2200 rpm

Test At Half Speed

Output ... 63.2 ± 1.5 L/min (16.7 ± 0.79 US gpm)

Output pressure ... 690 kPa (100 psi)

Pump speed ... 1100 rpm

Output ... 62.5 ± 1.5 L/min (16.51 ± 0.40 US gpm)

Output pressure ... 6900 kPa (1000 psi)

Pump speed ... 1100 rpm

(1) Torque for the drive hub bolt ... 145 N·m (107 lb ft)

(2) Hydraulic servo

Diameter of the orifices in the hydraulic servo for CB-534C ... 0.7 mm (0.028 inch)

Diameter of the orifices in the hydraulic servo for CB-634C ... 0.8 mm (0.032 inch)

(3) Pressure setting for the multifunction valve ... 45000 kPa (6527 psi)

(4) Pressure setting for the pressure override relief valve ... 42000 ± 1400 kPa (6100 ± 200 psi)

(5) Position of hub on pump ... 60 ± 1.0 mm (2.4 ± 0.04 inch)

(6) Hydraulic control valve