317B Excavator Machine System and Attachment Specifications Caterpillar


Boom -

Usage:

317B LN 6DZ



Illustration 1g00527579

(A) Stub Boom

(B) Stub Boom Cylinder

(C) Fore Boom

(D) Fore Boom Cylinder

(E) Stick

(F) Stick Cylinder

Note: All bores must be free of paint. Coat all bores for pins with lubricant.

(1) 107-9734 Pin

Diameter after plating ... 79.850 ± 0.025 mm (3.1437 ± .0010 inch)
Minimum thickness for plating ... 0.005 mm (.0002 inch)
Bore diameter for pin ... 80.037 ± 0.037 mm (3.1511 ± .0015 inch)

(2) Torque for six bolts ... 100 ± 20 N·m (75 ± 15 lb ft)

(3) 128-9882 Bearing

Quantity ... 2
Outside diameter ... 106.200 ± 0.013 mm (4.1811 ± .0005 inch)
Inside diameter ... 90.27 ± 0.02 mm (3.554 ± 0.001 inch)
Install the bearing in the bearing bore. ... 9.5 ± 0.8 mm (0.37 ± 0.03 inch)

Note: Assemble bearings with the groove to the inside of the boss. Assemble bearings with the groove toward the front (28° ± 3°) (4) of the bore.

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

(6) Use the necessary shims to adjust the lateral clearance:

Maximum clearance ... 1.0 mm (0.04 inch)
133-2424 Shim thickness ... 0.5 mm (.02 inch)
093-0086 Shim thickness ... 1.0 mm (.04 inch)
093-0118 Shim thickness ... 2.0 mm (.08 inch)

(7) Torque for two bolts ... 460 ± 60 N·m (340 ± 44 lb ft)

(8) 4I-4811 Pin Assembly

Diameter after plating ... 69.850 ± 0.025 mm (2.750 ± 0.001 inch)
Minimum thickness for plating ... 0.005 mm (.0002 inch)
Bore diameter for pin ... 70.037 ± 0.037 mm (3.1511 ± .0015 inch)

(9) 107-9737 Pin Assembly

Diameter after plating ... 89.850 ± 0.025 mm (3.5374 ± .0010 inch)
Minimum thickness for plating ... 0.005 mm (.0002 inch)
Bore diameter for pin ... 90.043 ± 0.043 mm (3.5450 ± .0017 inch)

(10) Use the necessary shims to adjust the lateral clearance:

Maximum clearance ... 0.8 mm (.03 inch)
113-2127 Shim thickness ... 0.5 mm (.02 inch)
093-0084 Shim thickness ... 1.0 mm (.04 inch)
093-0116 Shim thickness ... 2.0 mm (.08 inch)

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