CS-431B VIBRATORY COMPACTOR, CP-433B & CS-433B VIBRATORY COM Caterpillar

Rotation is counterclockwise when seen from shaft end.

Type of pump: Piston

For bench test, use SAE 10W oil at 65°C (150°F).

Pump displacement (each section) ... 45.92 cm³/rev (2.80 in³/rev)

Test at full speed:

Output ... 113.7 liter/min (29.6 U.S. gpm)

at a pressure of ... 2050 kPa (300 psi)

with pump at ... 2500 rpm

with engine at ... 2500 rpm

Output ... 112.5 liter/min (29.3 U.S. gpm)

at a pressure of ... 6900 kPa (1000 psi)

with pump at ... 2500 rpm

with engine at ... 2500 rpm

Test at half speed:

Output ... 56.8 liter/min (14.8 U.S. gpm)

at a pressure of ... 2050 kPa (300 psi)

with pump at ... 1250 rpm

with engine at ... 1250 rpm

Output ... 56.3 liter/min (14.6 U.S. gpm)

at a pressure of ... 6900 kPa (1000 psi)

with pump at ... 1250 rpm

with engine at ... 1250 rpm

NOTE: Torques for cover end pump are the same as the torques for shaft end pump.

NOTE: CS-431B tandem pump: shaft end section is propel pump, cover end section is vibration pump.

NOTE: CP-433B & CS-433B tandem pump: shaft end section drives front drum, cover end section drives rear wheels.

(1) Torque for four bolts ... 14 to 18 N·m (10 to 13 lb ft)

(2) Torque for three bolts ... 21 to 26 N·m (16 to 21 lb ft)

(3) Main relief valve pressure setting for CP-433B & CS-433B ... 29 900 kPa (4350 psi)

(3) Main relief valve pressure setting for CS-431B ... 17 000 kPa (2500 psi)

Torque for plug ... 135 to 230 N·m (100 to 170 lb ft)

(4) Torque for seven bolts ... 43 to 63 N·m (32 to 47 lb ft)

(5) Torque for nut ... 14 to 17 N·m (10 to 12 lb ft)

(6) Torque for nuts (not shown) ... 18 to 24 N·m (13 to 18 lb ft)

(7) Charge relief valve pressure setting ... 1380 to 1720 kPa (200 to 250 psi)

Torque for plug ... 40 to 95 N·m (30 to 70 lb ft)

(8) Torque for bypass valve (do not overtighten) ... 10 to 14 N·m (7 to 10 lb ft)

(9) Torque for two bolts and one nut ... 93 to 113 N·m (67 to 82 lb ft)

(10) CP-433B & CS-433B tandem pump linkage (length) ... 284.73 ± .13 mm (11.210 ± .005 in)

NOTE: The tandem pump must have pump pressure synchronization of within 1380 kPa (200 psi).

Charge Pump

Type of pump: Geroter

(11) Torque for bolt ... 25 to 35 N·m (20 to 25 lb ft)

(12) Charge pump displacement ... 22.96 cm³/rev (1.40 in³/rev)