320B Excavator Machine System Specifications Caterpillar

Illustration 1	g00527300

(1) 119-5214 Sleeve Bearing

Outside diameter ... 90 mm (3.5 inch)

Inside diameter ... 80 mm (3.1 inch)

(2) 121-1550 Sleeve Bearing

Outside diameter ... 95 mm (3.7 inch)

Inside diameter ... 80 mm (3.1 inch)

(3) Torque for fittings ... 9.3 ± 4.9 N·m (82.0 ± 43.0 lb in)

(4) The position that is indicated is for the slit in the ring.

Note: After tightening the socket setscrew, stake the socket setscrew in two places.

(5) Torque for setscrew ... 57 ± 10 N·m (42 ± 7 lb ft)

(6) Torque for locknut ... 13100 ± 655 N·m (9660 ± 480 lb ft)

(7) Rod

Diameter of rod ... 105 mm (4.1 inch)

Minimum thickness for plating ... 0.03 mm (.001 inch)

(8) Bore of cylinder ... 150 mm (5.9 inch)

(9) Torque for bolts ... 520 ± 80 N·m (380 ± 59 lb ft)

(10) The position that is indicated is for the slits in the seal.

(11) To remove the air, fill the clearances with grease when you install the seal.