317B Excavator Machine System and Attachment Specifications Caterpillar

Illustration 1	g00529702
(A) Boom (B) Stick (C) Stick Cylinder (D) Idler Link (E) Bucket (F) Bucket Cylinder

Note: All bores must be free of paint and grease. After assembly of bearings, coat all bores and bearings with lubricant. This includes bucket pin bores and cylinder pin bores.

(1) 4I-4618 Pin Assembly

Diameter after plating ... 79.850 ± 0.025 mm (3.1437 ± 0.0010 inch)

Minimum thickness for plating ... 0.005 mm (0.0002 inch)

Bore diameter for pin ... 80.037 ± 0.037 mm (3.1511 ± 0.0015 inch)

(2) Use the necessary shims to adjust the lateral clearance.

Maximum clearance ... 1.0 mm (0.04 inch)

093-0083 Shim ... 1.0 mm (0.04 inch)

7Y-2498 Shim ... 1.6 mm (0.06 inch)

093-0115 Shim ... 2 mm (0.08 inch)

(3) Torque for bolt (two places) ... 325 ± 40 N·m (239.7 ± 29.5 lb ft)

(4) 7Y-6627 Pin Assembly

Diameter after plating ... 59.86 ± 0.03 mm (2.3567 ± 0.0012 inch)

Minimum thickness for plating ... 0.005 mm (0.0002 inch)

Bore diameter for pin ... 60.037 ± 0.037 mm (2.3637 ± 0.0015 inch)

(5) Use the necessary shims to adjust the lateral clearance.

Maximum clearance ... 1 mm (0.04 inch)

093-0065 Shim ... 1.0 mm (0.04 inch)

099-7091 Shim ... 1.5 mm (0.06 inch)

093-0097 Shim ... 2 mm (0.08 inch)

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

(7) 137-2819 Bearing

Quantity ... 2

Outside diameter ... 106.200 ± .013 mm (4.1811 ± 0.0005 inch)

Inside diameter ... 90.27 ± 0.02 mm (3.554 ± 0.001 inch)

Installation depth ... 9.5 ± 0.8 mm (0.37 ± 0.03 inch)

(8) 7Y-2395 Bearing

Quantity ... 2

Outside diameter ... 85.160 ± .013 mm (3.3527 ± 0.0005 inch)

Inside diameter ... 70.23 ± .02 mm (2.7650 ± 0.0008 inch)

Installation depth ... 5.5 ± 0.8 mm (0.22 ± 0.03 inch)

(9) 7Y-6626 Bearing

Quantity ... 2

Outside diameter ... 80.140 ± 0.013 mm (3.1551 ± 0.0005 inch)

Inside diameter ... 65.20 ± 0.02 mm (2.5669 ± 0.0008 inch)

Installation depth ... 5.5 ± 0.8 mm (0.22 ± 0.03 inch)

Note: Assemble bearings with the thrust groove (10) to the inside of the boss. Assemble with the thrust groove (10) on the centerline of the stick. Refer to section C-C.