311C Excavator Machine System Specifications Caterpillar


Stick - 2250 mm (7 ft 5 inch)

Usage:

311C CKE



Illustration 1g00786824

(A) Stick cylinder

(B) Right side view of boom

Note: All bores must be free of paint. Coat all bores for pins with 3% molybdenum grease.

(1) 5I-3384 Pin

Diameter of pin after chrome plating ... 59.86 ± 0.03 mm (2.357 ± 0.001 inch)
Bore diameter for pin ... 60 mm (2.36 inch)

(2) 166-1481 Shim

Quantity ... 2
Thickness ... 2.00 ± 0.15 mm (0.079 ± 0.006 inch)

(3) 127-3913 Pin

Diameter ... 59.86 mm (2.357 inch)
Bore diameter for pin ... 60 mm (2.36 inch)

(4) 168-0062 Sleeve Bearing

Quantity ... 2
Outside diameter ... 95.112 ± 0.11 mm (3.7446 ± 0.004 inch)
Inside diameter ... 80.250 ± 0.020 mm (3.1594 ± 0.001 inch)
Install the bearing in the bearing bore. ... 9.5 ± 0.8 mm (0.37 ± 0.03 inch)

(5) 143-3835 Sleeve Bearing

Quantity ... 2
Outside diameter ... 75.085 ± .01 mm (2.9561 ± 0.0004 inch)
Inside diameter ... 60.13 to 60.20 mm (2.3671 to 2.37 inch)
Install the bearing in the bearing bore. ... 5.5 ± .8 mm (0.22 ± 0.03 inch)

(6) 189-3870 Sleeve Bearing

Quantity ... 2
Outside diameter ... 80.140 ± 0.013 mm (3.1551 ± 0.0005 inch)
Inside diameter ... 65.19 mm (2.567 inch)
Install the bearing in the bearing bore. ... 5.5 ± .8 mm (0.22 ± 0.03 inch)

(7) Lubricate the sealing lip slightly with the lubricant that is being sealed.

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