550B Wheel Harvester, 560B Wheel Harvester, 570B Wheel Harvester and 580B Wheel Harvester Hydraulic System Caterpillar

155-9911 Piston Motor (Swing without Brake)

Illustration 1	g00844194

Pump rotation is bidirectional.

Displacement per revolution ... 820 mL (28 ounces)

Maximum rated speed at 10000 kPa (1450 psi) differential pressure ... 150 rpm

Maximum intermittent pressure ... 42000 kPa (6100 psi)

(1) Apply 4C-9507 Retaining Compound to the threads of the bolts. Torque for the bolts ... 74 ± 3.5 N·m (55 ± 3 lb ft)

155-9910 Piston Motor (Swing with Brake)

Illustration 2	g00844192

Pump rotation is bidirectional.

Displacement per revolution ... 820 mL (28 ounces)

Maximum rated speed at 10000 kPa (1450 psi) differential pressure ... 150 rpm

Maximum intermittent pressure ... 42000 kPa (6100 psi)

Braking torque ... 2200 N·m (1625 lb ft)

Minimum oil pressure for release of the brake at 2200 N·m (1625 lb ft) ... 1200 kPa (175 psi)

(1) Apply 4C-9507 Retaining Compound to the threads of the bolts. Torque for the bolts ... 74 ± 3.5 N·m (55 ± 2.6 lb ft)

(2) Maximum oil pressure to the brake port ... 3000 kPa (435 psi)

190-6561 Swing Motor Brake

Illustration 3	g00844196

(3) The bushing must be flush with the end of the shaft.

Dimension (B) ... 36.45 ± 0.05 mm (1.435 ± .002 inch)

(4) Use the following shims in order to adjust dimension (B) .

190-6572 Shim ... 0.1 mm (.004 inch)

190-6573 Shim ... 0.3 mm (.012 inch)

(5) Place two 190-6719 Outer Plates together against the shims.

(6) Ensure that the contact surfaces of the 190-6574 Disc Spring are coated with grease.

(7) Apply 4C-9507 Retaining Compound to the threads of the bolts. Torque for the bolts ... 74 ± 3.5 N·m (55 ± 2.6 lb ft)

(8) Apply 4C-9507 Retaining Compound to the threads of the bolts. Torque for the bolts ... 74 ± 3.5 N·m (55 ± 2.6 lb ft)

190-6524 Swing Motor Bearing

Illustration 4	g00844198

(9) Measure the distance between the bearing and the split ring under preload in order to obtain dimension (C).

Dimension (C) ... 0 ± 0.1 mm (0 ± .004 inch)

Use the following shims to adjust dimension (C) .

190-6530 Washer ... 2.25 mm (.089 inch)

191-2233 Washer ... 2.35 mm (.093 inch)

191-2222 Washer ... 2.45 mm (.096 inch)

191-2231 Washer ... 2.65 mm (.104 inch)

191-2235 Washer ... 2.85 mm (.112 inch)

191-2224 Washer ... 3.00 mm (.118 inch)

(10) Apply 4C-4774 Water and Temperature Resistant Grease to the lip of the seal prior to assembly.

(11) Pack bearing with 4C-4774 Water and Temperature Resistant Grease prior to assembly.

(12) Fill the space between the lips of the seal with 4C-4774 Water and Temperature Resistant Grease prior to assembly.