247 and 257 Multi Terrain Loaders Quick Coupler Caterpillar

Note: Clean all bores. Bores must be free of rust. Bores must be free of paint. A maximum thickness of 0.025 mm (0.001 inch) primer paint is permitted.

Note: The internal threads and the external threads must be free of primer paint. The internal threads and the external threads must be free of finish paint.

206-3820 Quick Coupler

Illustration 1	g00904185

(1) 192-2645 Springs

Free length after test ... 88.9 mm (3.5 inches)

Force of the spring ... 30.7 N·m (22.6 lb ft)

Direction of the coils ... Right hand

Outside diameter ... 32.1 mm (1.26 inches)

(2) Before assembly, apply 5P-0960 Molybdenum Grease to the two 192-2642 Pins.

(3) Diameter of the four holes ... 32.2 ± .025 mm (1.27 ± 0.001 inch)

(4) Diameter of the four holes ... 32.2 ± .025 mm (1.27 ± 0.001 inch)

(5) Length for the 159-5797 Springs after assembly 28 mm (1.1 inches)

Free length after test ... 36.2 mm (1.43 inches)

Force of the spring ... 275.0 N·m (202.8 lb ft)

Direction of the coils ... Right hand

Outside diameter ... 31.75 mm (1.25 inches)

206-3821 Quick Coupler (Hydraulic)

Illustration 2	g00915445

(1) 192-2645 Springs

Free length after test ... 88.9 mm (3.5 inches)

Force of the spring ... 30.7 N·m (22.6 lb ft)

Direction of the coils ... Right hand

Outside diameter ... 32.1 mm (1.26 inches)

(2) Before assembly, apply 5P-0960 Molybdenum Grease to the two 192-2642 Pins.

(3) Diameter of the four holes ... 32.2 ± .025 mm (1.27 ± 0.001 inch)

(4) Diameter of the four holes ... 32.2 ± .025 mm (1.27 ± 0.001 inch)