416D, 420D, 424D, 428D, 430D, 432D, 438D and 442D Backhoe Loaders Hydraulic and Steering System Caterpillar


Boom Cylinder

Usage:

430D BML



Illustration 1g01209138

205-8655 Boom Cylinder Gp

(1) After assembly, the bearings can not extend beyond the surfaces of the cap.

Diameter of the bearings before installation ... 60.315 ± 0.020 mm (2.3746 ± 0.0008 inch)

(2) Before installation, apply clean grease to the threads.

Torque for the bolt ... 3200.0 ± 200.0 N·m (2360.00 ± 140.00 lb ft)

(3) Diameter of the cylinder ... 136.53 ± 0.08 mm (5.375 ± 0.003 inch)

(4) Before assembly, lubricate the sealing lip with the fluid that is being sealed.

(5) Before assembly, apply 4C-4032 Bearing Mount Compound to the wiper seal groove.

(6) After assembly, the bearings can not extend beyond the surfaces of the rod.

Diameter of the bearing before installation ... 60.315 ± 0.020 mm (2.3746 ± 0.0008 inch)

(7) Before assembly, lubricate the threads with clean grease.

Diameter of the lands ... 70.13 ± 0.03 mm (2.761 ± 0.001 inch)
Torque for the head ... 600.0 ± 130.0 N·m (440.00 ± 95.00 lb ft)

(8) Diameter of the rod ... 69.85 mm (2.750 inch)

(9) 9T-2178 Spring

Outside diameter ... 17.58 mm (0.692 inch)
Assembled length ... 40.6 mm (1.60 inch)
Load at the assembled length ... 89.0 ± 7.0 N (20.00 ± 2.00 lb)
Free length after the test ... 91.4 mm (3.60 inch)

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